From f4cd33b83c9ee0d896355987ac5e991aaf62a8a3 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Wed, 4 Apr 2018 19:13:06 -0700
Subject: [PATCH 01/15] functional-tester/tester: add network fault test cases
 with snapshot trigger

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/tester/checks.go      |  11 ++
 tools/functional-tester/tester/cluster.go     | 101 +++++++--------
 .../functional-tester/tester/cluster_test.go  |  16 ++-
 .../tester/cluster_tester.go                  |  82 ++++++------
 tools/functional-tester/tester/failure.go     | 117 ++++++++++++------
 .../tester/failure_case_failpoints.go         |  10 +-
 .../tester/failure_case_kill.go               |   8 +-
 .../tester/failure_case_network_blackhole.go  |  42 ++++++-
 ..._slow.go => failure_case_network_delay.go} |  38 ++++++
 .../tester/failure_case_no_fail.go            |   8 +-
 .../functional-tester/tester/local-test.yaml  |  17 ++-
 tools/functional-tester/tester/stress.go      |   6 +-
 tools/functional-tester/tester/stress_key.go  |  12 +-
 .../functional-tester/tester/stress_lease.go  |   8 +-
 14 files changed, 300 insertions(+), 176 deletions(-)
 rename tools/functional-tester/tester/{failure_case_network_slow.go => failure_case_network_delay.go} (65%)

diff --git a/tools/functional-tester/tester/checks.go b/tools/functional-tester/tester/checks.go
index 0a5207fe90d..9788e864963 100644
--- a/tools/functional-tester/tester/checks.go
+++ b/tools/functional-tester/tester/checks.go
@@ -104,6 +104,16 @@ type leaseChecker struct {
 }
 
 func (lc *leaseChecker) Check() error {
+	if lc.ls == nil {
+		return nil
+	}
+	if lc.ls != nil &&
+		(lc.ls.revokedLeases == nil ||
+			lc.ls.aliveLeases == nil ||
+			lc.ls.shortLivedLeases == nil) {
+		return nil
+	}
+
 	cli, err := lc.m.CreateEtcdClient(grpc.WithBackoffMaxDelay(time.Second))
 	if err != nil {
 		return fmt.Errorf("%v (%q)", err, lc.m.EtcdClientEndpoint)
@@ -114,6 +124,7 @@ func (lc *leaseChecker) Check() error {
 		}
 	}()
 	lc.cli = cli
+
 	if err := lc.check(true, lc.ls.revokedLeases.leases); err != nil {
 		return err
 	}
diff --git a/tools/functional-tester/tester/cluster.go b/tools/functional-tester/tester/cluster.go
index cc747a800e8..fd85d0c88e0 100644
--- a/tools/functional-tester/tester/cluster.go
+++ b/tools/functional-tester/tester/cluster.go
@@ -61,7 +61,6 @@ type Cluster struct {
 }
 
 func newCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
-	lg.Info("reading configuration file", zap.String("path", fpath))
 	bts, err := ioutil.ReadFile(fpath)
 	if err != nil {
 		return nil, err
@@ -204,7 +203,6 @@ func NewCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 	clus.failures = make([]Failure, 0)
 
 	for i, ap := range clus.Members {
-		clus.lg.Info("connecting", zap.String("agent-address", ap.AgentAddr))
 		var err error
 		clus.agentConns[i], err = grpc.Dial(ap.AgentAddr, dialOpts...)
 		if err != nil {
@@ -213,7 +211,6 @@ func NewCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 		clus.agentClients[i] = rpcpb.NewTransportClient(clus.agentConns[i])
 		clus.lg.Info("connected", zap.String("agent-address", ap.AgentAddr))
 
-		clus.lg.Info("creating stream", zap.String("agent-address", ap.AgentAddr))
 		clus.agentStreams[i], err = clus.agentClients[i].Transport(context.Background())
 		if err != nil {
 			return nil, err
@@ -240,7 +237,9 @@ func NewCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 		rate.Limit(int(clus.Tester.StressQPS)),
 		int(clus.Tester.StressQPS),
 	)
+
 	clus.updateStresserChecker()
+
 	return clus, nil
 }
 
@@ -265,32 +264,48 @@ func (clus *Cluster) updateFailures() {
 		switch cs {
 		case "KILL_ONE_FOLLOWER":
 			clus.failures = append(clus.failures, newFailureKillOneFollower())
+		case "KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureKillOneFollowerUntilTriggerSnapshot())
 		case "KILL_LEADER":
 			clus.failures = append(clus.failures, newFailureKillLeader())
-		case "KILL_ONE_FOLLOWER_FOR_LONG":
-			clus.failures = append(clus.failures, newFailureKillOneFollowerForLongTime())
-		case "KILL_LEADER_FOR_LONG":
-			clus.failures = append(clus.failures, newFailureKillLeaderForLongTime())
+		case "KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureKillLeaderUntilTriggerSnapshot())
 		case "KILL_QUORUM":
 			clus.failures = append(clus.failures, newFailureKillQuorum())
 		case "KILL_ALL":
 			clus.failures = append(clus.failures, newFailureKillAll())
+
 		case "BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER":
 			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxOneFollower(clus))
+		case "BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxOneFollowerUntilTriggerSnapshot())
 		case "BLACKHOLE_PEER_PORT_TX_RX_LEADER":
 			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxLeader(clus))
+		case "BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxLeaderUntilTriggerSnapshot())
+		case "BLACKHOLE_PEER_PORT_TX_RX_QUORUM":
+			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxQuorum(clus))
 		case "BLACKHOLE_PEER_PORT_TX_RX_ALL":
 			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxAll(clus))
+
 		case "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":
 			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollower(clus))
+		case "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot())
 		case "DELAY_PEER_PORT_TX_RX_LEADER":
 			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeader(clus))
+		case "DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot())
+		case "DELAY_PEER_PORT_TX_RX_QUORUM":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxQuorum(clus))
 		case "DELAY_PEER_PORT_TX_RX_ALL":
 			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxAll(clus))
+
 		case "NO_FAIL_WITH_STRESS":
 			clus.failures = append(clus.failures, newFailureNoFailWithStress(clus))
 		case "NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS":
 			clus.failures = append(clus.failures, newFailureNoFailWithNoStressForLiveness(clus))
+
 		case "EXTERNAL":
 			clus.failures = append(clus.failures, newFailureExternal(clus.Tester.ExternalExecPath))
 		case "FAILPOINTS":
@@ -317,7 +332,6 @@ func (clus *Cluster) shuffleFailures() {
 	n := len(clus.failures)
 	cp := coprime(n)
 
-	clus.lg.Info("shuffling test failure cases", zap.Int("total", n))
 	fs := make([]Failure, n)
 	for i := 0; i < n; i++ {
 		fs[i] = clus.failures[(cp*i+offset)%n]
@@ -355,12 +369,6 @@ func gcd(x, y int) int {
 }
 
 func (clus *Cluster) updateStresserChecker() {
-	clus.lg.Info(
-		"updating stressers",
-		zap.Int("round", clus.rd),
-		zap.Int("case", clus.cs),
-	)
-
 	cs := &compositeStresser{}
 	for _, m := range clus.Members {
 		cs.stressers = append(cs.stressers, newStresser(clus, m))
@@ -397,21 +405,17 @@ func (clus *Cluster) checkConsistency() (err error) {
 		}
 	}()
 
-	clus.lg.Info(
-		"checking consistency and invariant of cluster",
-		zap.Int("round", clus.rd),
-		zap.Int("case", clus.cs),
-		zap.String("desc", clus.failures[clus.cs].Desc()),
-	)
 	if err = clus.checker.Check(); err != nil {
 		clus.lg.Warn(
-			"checker.Check failed",
+			"consistency check FAIL",
+			zap.Int("round", clus.rd),
+			zap.Int("case", clus.cs),
 			zap.Error(err),
 		)
 		return err
 	}
 	clus.lg.Info(
-		"checked consistency and invariant of cluster",
+		"consistency check ALL PASS",
 		zap.Int("round", clus.rd),
 		zap.Int("case", clus.cs),
 		zap.String("desc", clus.failures[clus.cs].Desc()),
@@ -468,11 +472,6 @@ func (clus *Cluster) sendOperation(idx int, op rpcpb.Operation) error {
 		clus.agentRequests[idx].Operation = op
 	}
 
-	clus.lg.Info(
-		"sending request",
-		zap.String("operation", op.String()),
-		zap.String("to", clus.Members[idx].EtcdClientEndpoint),
-	)
 	err := clus.agentStreams[idx].Send(clus.agentRequests[idx])
 	clus.lg.Info(
 		"sent request",
@@ -484,11 +483,6 @@ func (clus *Cluster) sendOperation(idx int, op rpcpb.Operation) error {
 		return err
 	}
 
-	clus.lg.Info(
-		"receiving response",
-		zap.String("operation", op.String()),
-		zap.String("from", clus.Members[idx].EtcdClientEndpoint),
-	)
 	resp, err := clus.agentStreams[idx].Recv()
 	if resp != nil {
 		clus.lg.Info(
@@ -519,22 +513,19 @@ func (clus *Cluster) sendOperation(idx int, op rpcpb.Operation) error {
 
 // DestroyEtcdAgents terminates all tester connections to agents and etcd servers.
 func (clus *Cluster) DestroyEtcdAgents() {
-	clus.lg.Info("destroying etcd servers and agents")
 	err := clus.broadcastOperation(rpcpb.Operation_DestroyEtcdAgent)
 	if err != nil {
-		clus.lg.Warn("failed to destroy etcd servers and agents", zap.Error(err))
+		clus.lg.Warn("destroying etcd/agents FAIL", zap.Error(err))
 	} else {
-		clus.lg.Info("destroyed etcd servers and agents")
+		clus.lg.Info("destroying etcd/agents PASS")
 	}
 
 	for i, conn := range clus.agentConns {
-		clus.lg.Info("closing connection to agent", zap.String("agent-address", clus.Members[i].AgentAddr))
 		err := conn.Close()
 		clus.lg.Info("closed connection to agent", zap.String("agent-address", clus.Members[i].AgentAddr), zap.Error(err))
 	}
 
 	if clus.testerHTTPServer != nil {
-		clus.lg.Info("closing tester HTTP server", zap.String("tester-address", clus.Tester.TesterAddr))
 		ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
 		err := clus.testerHTTPServer.Shutdown(ctx)
 		cancel()
@@ -552,14 +543,9 @@ func (clus *Cluster) WaitHealth() error {
 	// reasonable workload (https://github.com/coreos/etcd/issues/2698)
 	for i := 0; i < 60; i++ {
 		for _, m := range clus.Members {
-			clus.lg.Info(
-				"writing health key",
-				zap.Int("retries", i),
-				zap.String("endpoint", m.EtcdClientEndpoint),
-			)
 			if err = m.WriteHealthKey(); err != nil {
 				clus.lg.Warn(
-					"writing health key failed",
+					"health check FAIL",
 					zap.Int("retries", i),
 					zap.String("endpoint", m.EtcdClientEndpoint),
 					zap.Error(err),
@@ -567,15 +553,16 @@ func (clus *Cluster) WaitHealth() error {
 				break
 			}
 			clus.lg.Info(
-				"wrote health key",
+				"health check PASS",
 				zap.Int("retries", i),
 				zap.String("endpoint", m.EtcdClientEndpoint),
 			)
 		}
 		if err == nil {
 			clus.lg.Info(
-				"writing health key success on all members",
-				zap.Int("retries", i),
+				"health check ALL PASS",
+				zap.Int("round", clus.rd),
+				zap.Int("case", clus.cs),
 			)
 			return nil
 		}
@@ -639,7 +626,7 @@ func (clus *Cluster) compactKV(rev int64, timeout time.Duration) (err error) {
 
 	for i, m := range clus.Members {
 		clus.lg.Info(
-			"compacting",
+			"compact START",
 			zap.String("endpoint", m.EtcdClientEndpoint),
 			zap.Int64("compact-revision", rev),
 			zap.Duration("timeout", timeout),
@@ -657,7 +644,7 @@ func (clus *Cluster) compactKV(rev int64, timeout time.Duration) (err error) {
 				)
 			} else {
 				clus.lg.Warn(
-					"compact failed",
+					"compact FAIL",
 					zap.String("endpoint", m.EtcdClientEndpoint),
 					zap.Int64("compact-revision", rev),
 					zap.Error(cerr),
@@ -669,7 +656,7 @@ func (clus *Cluster) compactKV(rev int64, timeout time.Duration) (err error) {
 
 		if succeed {
 			clus.lg.Info(
-				"compacted",
+				"compact PASS",
 				zap.String("endpoint", m.EtcdClientEndpoint),
 				zap.Int64("compact-revision", rev),
 				zap.Duration("timeout", timeout),
@@ -693,24 +680,22 @@ func (clus *Cluster) checkCompact(rev int64) error {
 }
 
 func (clus *Cluster) defrag() error {
-	clus.lg.Info(
-		"defragmenting",
-		zap.Int("round", clus.rd),
-		zap.Int("case", clus.cs),
-	)
 	for _, m := range clus.Members {
 		if err := m.Defrag(); err != nil {
 			clus.lg.Warn(
-				"defrag failed",
-				zap.Int("round", clus.rd),
-				zap.Int("case", clus.cs),
+				"defrag FAIL",
+				zap.String("endpoint", m.EtcdClientEndpoint),
 				zap.Error(err),
 			)
 			return err
 		}
+		clus.lg.Info(
+			"defrag PASS",
+			zap.String("endpoint", m.EtcdClientEndpoint),
+		)
 	}
 	clus.lg.Info(
-		"defragmented",
+		"defrag ALL PASS",
 		zap.Int("round", clus.rd),
 		zap.Int("case", clus.cs),
 	)
diff --git a/tools/functional-tester/tester/cluster_test.go b/tools/functional-tester/tester/cluster_test.go
index e0627453e1a..d8d0f8d1e1e 100644
--- a/tools/functional-tester/tester/cluster_test.go
+++ b/tools/functional-tester/tester/cluster_test.go
@@ -112,24 +112,30 @@ func Test_newCluster(t *testing.T) {
 		Tester: &rpcpb.Tester{
 			TesterNetwork:    "tcp",
 			TesterAddr:       "127.0.0.1:9028",
-			DelayLatencyMs:   500,
-			DelayLatencyMsRv: 50,
+			DelayLatencyMs:   5000,
+			DelayLatencyMsRv: 150,
 			RoundLimit:       1,
 			ExitOnFailure:    true,
 			ConsistencyCheck: true,
 			EnablePprof:      true,
 			FailureCases: []string{
 				"KILL_ONE_FOLLOWER",
+				"KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
 				"KILL_LEADER",
-				"KILL_ONE_FOLLOWER_FOR_LONG",
-				"KILL_LEADER_FOR_LONG",
+				"KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT",
 				"KILL_QUORUM",
 				"KILL_ALL",
 				"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER",
+				"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
 				"BLACKHOLE_PEER_PORT_TX_RX_LEADER",
+				"BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+				"BLACKHOLE_PEER_PORT_TX_RX_QUORUM",
 				"BLACKHOLE_PEER_PORT_TX_RX_ALL",
 				"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
+				"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
 				"DELAY_PEER_PORT_TX_RX_LEADER",
+				"DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+				"DELAY_PEER_PORT_TX_RX_QUORUM",
 				"DELAY_PEER_PORT_TX_RX_ALL",
 				"NO_FAIL_WITH_STRESS",
 				"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS",
@@ -146,7 +152,7 @@ func Test_newCluster(t *testing.T) {
 			StressKeySuffixRangeTxn: 100,
 			StressKeyTxnOps:         10,
 			StressClients:           100,
-			StressQPS:               1000,
+			StressQPS:               2000,
 		},
 	}
 
diff --git a/tools/functional-tester/tester/cluster_tester.go b/tools/functional-tester/tester/cluster_tester.go
index 466a268a616..95a5b29fa70 100644
--- a/tools/functional-tester/tester/cluster_tester.go
+++ b/tools/functional-tester/tester/cluster_tester.go
@@ -39,7 +39,7 @@ func (clus *Cluster) StartTester() {
 
 		if err := clus.doRound(); err != nil {
 			clus.lg.Warn(
-				"doRound failed; returning",
+				"round FAIL",
 				zap.Int("round", clus.rd),
 				zap.Int("case", clus.cs),
 				zap.Error(err),
@@ -62,21 +62,21 @@ func (clus *Cluster) StartTester() {
 		timeout := 10 * time.Second
 		timeout += time.Duration(modifiedKey/compactQPS) * time.Second
 		clus.lg.Info(
-			"compacting",
+			"compact START",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.Duration("timeout", timeout),
 		)
 		if err := clus.compact(revToCompact, timeout); err != nil {
 			clus.lg.Warn(
-				"compact failed",
+				"compact FAIL",
 				zap.Int("round", clus.rd),
 				zap.Int("case", clus.cs),
 				zap.Error(err),
 			)
 			if err = clus.cleanup(); err != nil {
 				clus.lg.Warn(
-					"cleanup failed",
+					"cleanup FAIL",
 					zap.Int("round", clus.rd),
 					zap.Int("case", clus.cs),
 					zap.Error(err),
@@ -88,12 +88,6 @@ func (clus *Cluster) StartTester() {
 		}
 		if round > 0 && round%500 == 0 { // every 500 rounds
 			if err := clus.defrag(); err != nil {
-				clus.lg.Warn(
-					"defrag failed; returning",
-					zap.Int("round", clus.rd),
-					zap.Int("case", clus.cs),
-					zap.Error(err),
-				)
 				clus.failed()
 				return
 			}
@@ -101,7 +95,7 @@ func (clus *Cluster) StartTester() {
 	}
 
 	clus.lg.Info(
-		"functional-tester passed",
+		"functional-tester PASS",
 		zap.Int("round", clus.rd),
 		zap.Int("case", clus.cs),
 	)
@@ -112,18 +106,20 @@ func (clus *Cluster) doRound() error {
 		clus.shuffleFailures()
 	}
 
+	roundNow := time.Now()
 	clus.lg.Info(
-		"starting round",
+		"round START",
 		zap.Int("round", clus.rd),
 		zap.Strings("failures", clus.failureStrings()),
 	)
-
 	for i, fa := range clus.failures {
 		clus.cs = i
 
 		caseTotalCounter.WithLabelValues(fa.Desc()).Inc()
+
+		caseNow := time.Now()
 		clus.lg.Info(
-			"failure case START",
+			"case START",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.String("desc", fa.Desc()),
@@ -138,7 +134,7 @@ func (clus *Cluster) doRound() error {
 		fcase := fa.FailureCase()
 		if fcase != rpcpb.FailureCase_NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS {
 			clus.lg.Info(
-				"starting stressers before injecting failures",
+				"stresser START",
 				zap.Int("round", clus.rd),
 				zap.Int("case", clus.cs),
 				zap.String("desc", fa.Desc()),
@@ -150,7 +146,7 @@ func (clus *Cluster) doRound() error {
 		}
 
 		clus.lg.Info(
-			"injecting",
+			"inject START",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.String("desc", fa.Desc()),
@@ -163,7 +159,7 @@ func (clus *Cluster) doRound() error {
 		// with stressing client ports
 		// TODO: use unix for local tests
 		clus.lg.Info(
-			"recovering",
+			"recover START",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.String("desc", fa.Desc()),
@@ -173,13 +169,13 @@ func (clus *Cluster) doRound() error {
 		}
 
 		if stressStarted {
-			clus.lg.Info("pausing stresser after failure recovery, before wait health")
+			clus.lg.Info("stresser PAUSE")
 			ems := clus.stresser.Pause()
 			if fcase == rpcpb.FailureCase_NO_FAIL_WITH_STRESS && len(ems) > 0 {
 				ess := make([]string, 0, len(ems))
 				cnt := 0
 				for k, v := range ems {
-					ess = append(ess, fmt.Sprintf("%s (count %d)", k, v))
+					ess = append(ess, fmt.Sprintf("%s (count: %d)", k, v))
 					cnt += v
 				}
 				clus.lg.Warn(
@@ -187,34 +183,40 @@ func (clus *Cluster) doRound() error {
 					zap.String("desc", fa.Desc()),
 					zap.Strings("errors", ess),
 				)
-				return fmt.Errorf("expected no error in %q, got %q", fcase.String(), ess)
+
+				// with network delay, some ongoing requests may fail
+				// only return error, if more than 10% of QPS requests fail
+				if cnt > int(clus.Tester.StressQPS)/10 {
+					return fmt.Errorf("expected no error in %q, got %q", fcase.String(), ess)
+				}
 			}
 		}
 
-		clus.lg.Info("wait health after recover")
+		clus.lg.Info("health check START")
 		if err := clus.WaitHealth(); err != nil {
 			return fmt.Errorf("wait full health error: %v", err)
 		}
 
-		clus.lg.Info("check consistency after recover")
+		clus.lg.Info("consistency check START")
 		if err := clus.checkConsistency(); err != nil {
-			return fmt.Errorf("tt.checkConsistency error (%v)", err)
+			return fmt.Errorf("consistency check error (%v)", err)
 		}
 
 		clus.lg.Info(
-			"failure case PASS",
+			"case PASS",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.String("desc", fa.Desc()),
+			zap.Duration("took", time.Since(caseNow)),
 		)
 	}
 
 	clus.lg.Info(
-		"finished round",
+		"round ALL PASS",
 		zap.Int("round", clus.rd),
 		zap.Strings("failures", clus.failureStrings()),
+		zap.Duration("took", time.Since(roundNow)),
 	)
-
 	return nil
 }
 
@@ -233,28 +235,24 @@ func (clus *Cluster) updateRevision() error {
 }
 
 func (clus *Cluster) compact(rev int64, timeout time.Duration) (err error) {
-	clus.lg.Info(
-		"compacting storage",
-		zap.Int64("current-revision", clus.currentRevision),
-		zap.Int64("compact-revision", rev),
-	)
 	if err = clus.compactKV(rev, timeout); err != nil {
+		clus.lg.Warn(
+			"compact FAIL",
+			zap.Int64("current-revision", clus.currentRevision),
+			zap.Int64("compact-revision", rev),
+			zap.Error(err),
+		)
 		return err
 	}
 	clus.lg.Info(
-		"compacted storage",
+		"compact DONE",
 		zap.Int64("current-revision", clus.currentRevision),
 		zap.Int64("compact-revision", rev),
 	)
 
-	clus.lg.Info(
-		"checking compaction",
-		zap.Int64("current-revision", clus.currentRevision),
-		zap.Int64("compact-revision", rev),
-	)
 	if err = clus.checkCompact(rev); err != nil {
 		clus.lg.Warn(
-			"checkCompact failed",
+			"check compact FAIL",
 			zap.Int64("current-revision", clus.currentRevision),
 			zap.Int64("compact-revision", rev),
 			zap.Error(err),
@@ -262,7 +260,7 @@ func (clus *Cluster) compact(rev int64, timeout time.Duration) (err error) {
 		return err
 	}
 	clus.lg.Info(
-		"confirmed compaction",
+		"check compact DONE",
 		zap.Int64("current-revision", clus.currentRevision),
 		zap.Int64("compact-revision", rev),
 	)
@@ -276,7 +274,7 @@ func (clus *Cluster) failed() {
 	}
 
 	clus.lg.Info(
-		"exiting on failure",
+		"functional-tester FAIL",
 		zap.Int("round", clus.rd),
 		zap.Int("case", clus.cs),
 	)
@@ -303,7 +301,7 @@ func (clus *Cluster) cleanup() error {
 
 	if err := clus.FailArchive(); err != nil {
 		clus.lg.Warn(
-			"cleanup failed",
+			"cleanup FAIL",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.Error(err),
@@ -312,7 +310,7 @@ func (clus *Cluster) cleanup() error {
 	}
 	if err := clus.Restart(); err != nil {
 		clus.lg.Warn(
-			"restart failed",
+			"restart FAIL",
 			zap.Int("round", clus.rd),
 			zap.Int("case", clus.cs),
 			zap.Error(err),
diff --git a/tools/functional-tester/tester/failure.go b/tools/functional-tester/tester/failure.go
index f9c205512e8..30218f38ca4 100644
--- a/tools/functional-tester/tester/failure.go
+++ b/tools/functional-tester/tester/failure.go
@@ -20,6 +20,8 @@ import (
 	"time"
 
 	"github.com/coreos/etcd/tools/functional-tester/rpcpb"
+
+	"go.uber.org/zap"
 )
 
 // Failure defines failure injection interface.
@@ -43,15 +45,15 @@ type injectMemberFunc func(*Cluster, int) error
 type recoverMemberFunc func(*Cluster, int) error
 
 type failureByFunc struct {
-	desc
+	desc          string
 	failureCase   rpcpb.FailureCase
 	injectMember  injectMemberFunc
 	recoverMember recoverMemberFunc
 }
 
 func (f *failureByFunc) Desc() string {
-	if string(f.desc) != "" {
-		return string(f.desc)
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
@@ -100,8 +102,8 @@ func (f *failureFollower) Recover(clus *Cluster) error {
 }
 
 func (f *failureFollower) Desc() string {
-	if string(f.desc) != "" {
-		return string(f.desc)
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
@@ -162,8 +164,8 @@ func (f *failureQuorum) Recover(clus *Cluster) error {
 }
 
 func (f *failureQuorum) Desc() string {
-	if string(f.desc) != "" {
-		return string(f.desc)
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
@@ -172,6 +174,18 @@ func (f *failureQuorum) FailureCase() rpcpb.FailureCase {
 	return f.failureCase
 }
 
+func killMap(size int, seed int) map[int]bool {
+	m := make(map[int]bool)
+	r := rand.New(rand.NewSource(int64(seed)))
+	majority := size/2 + 1
+	for {
+		m[r.Intn(size)] = true
+		if len(m) >= majority {
+			return m
+		}
+	}
+}
+
 type failureAll failureByFunc
 
 func (f *failureAll) Inject(clus *Cluster) error {
@@ -193,8 +207,8 @@ func (f *failureAll) Recover(clus *Cluster) error {
 }
 
 func (f *failureAll) Desc() string {
-	if string(f.desc) != "" {
-		return string(f.desc)
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
@@ -205,13 +219,15 @@ func (f *failureAll) FailureCase() rpcpb.FailureCase {
 
 // failureUntilSnapshot injects a failure and waits for a snapshot event
 type failureUntilSnapshot struct {
-	desc        desc
+	desc        string
 	failureCase rpcpb.FailureCase
-
 	Failure
 }
 
-const snapshotCount = 10000
+var slowCases = map[rpcpb.FailureCase]bool{
+	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT: true,
+	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT:       true,
+}
 
 func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
 	if err := f.Failure.Inject(clus); err != nil {
@@ -220,6 +236,18 @@ func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
 	if len(clus.Members) < 3 {
 		return nil
 	}
+
+	snapshotCount := clus.Members[0].Etcd.SnapshotCount
+
+	now := time.Now()
+	clus.lg.Info(
+		"trigger snapshot START",
+		zap.Int("round", clus.rd),
+		zap.Int("case", clus.cs),
+		zap.String("desc", f.Desc()),
+		zap.Int64("etcd-snapshot-count", snapshotCount),
+	)
+
 	// maxRev may fail since failure just injected, retry if failed.
 	startRev, err := clus.maxRev()
 	for i := 0; i < 10 && startRev == 0; i++ {
@@ -229,44 +257,59 @@ func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
 		return err
 	}
 	lastRev := startRev
-	// Normal healthy cluster could accept 1000req/s at least.
-	// Give it 3-times time to create a new snapshot.
-	retry := snapshotCount / 1000 * 3
-	for j := 0; j < retry; j++ {
+
+	// healthy cluster could accept 1000 req/sec at least.
+	// 3x time to trigger snapshot.
+	retries := int(snapshotCount) / 1000 * 3
+	if v, ok := slowCases[f.FailureCase()]; v && ok {
+		// slow network takes more retries
+		retries *= 4
+	}
+
+	for i := 0; i < retries; i++ {
 		lastRev, _ = clus.maxRev()
 		// If the number of proposals committed is bigger than snapshot count,
 		// a new snapshot should have been created.
-		if lastRev-startRev > snapshotCount {
+		diff := lastRev - startRev
+		if diff > snapshotCount {
+			clus.lg.Info(
+				"trigger snapshot PASS",
+				zap.Int("round", clus.rd),
+				zap.Int("case", clus.cs),
+				zap.Int("retries", i),
+				zap.String("desc", f.Desc()),
+				zap.Int64("committed-entries", diff),
+				zap.Int64("etcd-snapshot-count", snapshotCount),
+				zap.Int64("last-revision", lastRev),
+				zap.Duration("took", time.Since(now)),
+			)
 			return nil
 		}
+
+		clus.lg.Info(
+			"trigger snapshot PROGRESS",
+			zap.Int("retries", i),
+			zap.Int64("committed-entries", diff),
+			zap.Int64("etcd-snapshot-count", snapshotCount),
+			zap.Int64("last-revision", lastRev),
+			zap.Duration("took", time.Since(now)),
+		)
 		time.Sleep(time.Second)
 	}
-	return fmt.Errorf("cluster too slow: only commit %d requests in %ds", lastRev-startRev, retry)
+
+	return fmt.Errorf("cluster too slow: only %d commits in %d retries", lastRev-startRev, retries)
 }
 
 func (f *failureUntilSnapshot) Desc() string {
-	if f.desc.Desc() != "" {
-		return f.desc.Desc()
+	if f.desc != "" {
+		return f.desc
 	}
-	return f.failureCase.String()
+	if f.failureCase.String() != "" {
+		return f.failureCase.String()
+	}
+	return f.Failure.Desc()
 }
 
 func (f *failureUntilSnapshot) FailureCase() rpcpb.FailureCase {
 	return f.failureCase
 }
-
-func killMap(size int, seed int) map[int]bool {
-	m := make(map[int]bool)
-	r := rand.New(rand.NewSource(int64(seed)))
-	majority := size/2 + 1
-	for {
-		m[r.Intn(size)] = true
-		if len(m) >= majority {
-			return m
-		}
-	}
-}
-
-type desc string
-
-func (d desc) Desc() string { return string(d) }
diff --git a/tools/functional-tester/tester/failure_case_failpoints.go b/tools/functional-tester/tester/failure_case_failpoints.go
index c55e34577eb..c32e419b04b 100644
--- a/tools/functional-tester/tester/failure_case_failpoints.go
+++ b/tools/functional-tester/tester/failure_case_failpoints.go
@@ -51,7 +51,7 @@ func failpointFailures(clus *Cluster) (ret []Failure, err error) {
 			if strings.Contains(fp, "Snap") {
 				// hack to trigger snapshot failpoints
 				fpFails[i] = &failureUntilSnapshot{
-					desc:        desc(fpf.Desc()),
+					desc:        fpf.Desc(),
 					failureCase: rpcpb.FailureCase_FAILPOINTS,
 					Failure:     fpf,
 				}
@@ -95,7 +95,7 @@ func failuresFromFailpoint(fp string, failpointCommands []string) (fs []Failure)
 		fs = append(fs, []Failure{
 			&failureFollower{
 				failureByFunc: failureByFunc{
-					desc:          desc(fmt.Sprintf("failpoint %q (one: %q)", fp, fcmd)),
+					desc:          fmt.Sprintf("failpoint %q (one: %q)", fp, fcmd),
 					failureCase:   rpcpb.FailureCase_FAILPOINTS,
 					injectMember:  inject,
 					recoverMember: recov,
@@ -105,7 +105,7 @@ func failuresFromFailpoint(fp string, failpointCommands []string) (fs []Failure)
 			},
 			&failureLeader{
 				failureByFunc: failureByFunc{
-					desc:          desc(fmt.Sprintf("failpoint %q (leader: %q)", fp, fcmd)),
+					desc:          fmt.Sprintf("failpoint %q (leader: %q)", fp, fcmd),
 					failureCase:   rpcpb.FailureCase_FAILPOINTS,
 					injectMember:  inject,
 					recoverMember: recov,
@@ -114,13 +114,13 @@ func failuresFromFailpoint(fp string, failpointCommands []string) (fs []Failure)
 				lead: -1,
 			},
 			&failureQuorum{
-				desc:          desc(fmt.Sprintf("failpoint %q (quorum: %q)", fp, fcmd)),
+				desc:          fmt.Sprintf("failpoint %q (quorum: %q)", fp, fcmd),
 				failureCase:   rpcpb.FailureCase_FAILPOINTS,
 				injectMember:  inject,
 				recoverMember: recov,
 			},
 			&failureAll{
-				desc:          desc(fmt.Sprintf("failpoint %q (all: %q)", fp, fcmd)),
+				desc:          fmt.Sprintf("failpoint %q (all: %q)", fp, fcmd),
 				failureCase:   rpcpb.FailureCase_FAILPOINTS,
 				injectMember:  inject,
 				recoverMember: recov,
diff --git a/tools/functional-tester/tester/failure_case_kill.go b/tools/functional-tester/tester/failure_case_kill.go
index 9e88efe0382..3af1f9da9e4 100644
--- a/tools/functional-tester/tester/failure_case_kill.go
+++ b/tools/functional-tester/tester/failure_case_kill.go
@@ -58,16 +58,16 @@ func newFailureKillAll() Failure {
 	}
 }
 
-func newFailureKillOneFollowerForLongTime() Failure {
+func newFailureKillOneFollowerUntilTriggerSnapshot() Failure {
 	return &failureUntilSnapshot{
-		failureCase: rpcpb.FailureCase_KILL_ONE_FOLLOWER_FOR_LONG,
+		failureCase: rpcpb.FailureCase_KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
 		Failure:     newFailureKillOneFollower(),
 	}
 }
 
-func newFailureKillLeaderForLongTime() Failure {
+func newFailureKillLeaderUntilTriggerSnapshot() Failure {
 	return &failureUntilSnapshot{
-		failureCase: rpcpb.FailureCase_KILL_LEADER_FOR_LONG,
+		failureCase: rpcpb.FailureCase_KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT,
 		Failure:     newFailureKillLeader(),
 	}
 }
diff --git a/tools/functional-tester/tester/failure_case_network_blackhole.go b/tools/functional-tester/tester/failure_case_network_blackhole.go
index 0f75812804b..469d201bb0a 100644
--- a/tools/functional-tester/tester/failure_case_network_blackhole.go
+++ b/tools/functional-tester/tester/failure_case_network_blackhole.go
@@ -14,9 +14,7 @@
 
 package tester
 
-import (
-	"github.com/coreos/etcd/tools/functional-tester/rpcpb"
-)
+import "github.com/coreos/etcd/tools/functional-tester/rpcpb"
 
 func injectBlackholePeerPortTxRx(clus *Cluster, idx int) error {
 	return clus.sendOperation(idx, rpcpb.Operation_BlackholePeerPortTxRx)
@@ -39,6 +37,19 @@ func newFailureBlackholePeerPortTxRxOneFollower(clus *Cluster) Failure {
 	}
 }
 
+func newFailureBlackholePeerPortTxRxOneFollowerUntilTriggerSnapshot() Failure {
+	ff := failureByFunc{
+		failureCase:   rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
+		injectMember:  injectBlackholePeerPortTxRx,
+		recoverMember: recoverBlackholePeerPortTxRx,
+	}
+	f := &failureFollower{ff, -1, -1}
+	return &failureUntilSnapshot{
+		failureCase: rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
+		Failure:     f,
+	}
+}
+
 func newFailureBlackholePeerPortTxRxLeader(clus *Cluster) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER,
@@ -52,6 +63,31 @@ func newFailureBlackholePeerPortTxRxLeader(clus *Cluster) Failure {
 	}
 }
 
+func newFailureBlackholePeerPortTxRxLeaderUntilTriggerSnapshot() Failure {
+	ff := failureByFunc{
+		failureCase:   rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
+		injectMember:  injectBlackholePeerPortTxRx,
+		recoverMember: recoverBlackholePeerPortTxRx,
+	}
+	f := &failureLeader{ff, -1, -1}
+	return &failureUntilSnapshot{
+		failureCase: rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
+		Failure:     f,
+	}
+}
+
+func newFailureBlackholePeerPortTxRxQuorum(clus *Cluster) Failure {
+	f := &failureQuorum{
+		failureCase:   rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_QUORUM,
+		injectMember:  injectBlackholePeerPortTxRx,
+		recoverMember: recoverBlackholePeerPortTxRx,
+	}
+	return &failureDelay{
+		Failure:       f,
+		delayDuration: clus.GetFailureDelayDuration(),
+	}
+}
+
 func newFailureBlackholePeerPortTxRxAll(clus *Cluster) Failure {
 	f := &failureAll{
 		failureCase:   rpcpb.FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ALL,
diff --git a/tools/functional-tester/tester/failure_case_network_slow.go b/tools/functional-tester/tester/failure_case_network_delay.go
similarity index 65%
rename from tools/functional-tester/tester/failure_case_network_slow.go
rename to tools/functional-tester/tester/failure_case_network_delay.go
index 274ba6383a9..4a3161e2c0f 100644
--- a/tools/functional-tester/tester/failure_case_network_slow.go
+++ b/tools/functional-tester/tester/failure_case_network_delay.go
@@ -51,6 +51,19 @@ func newFailureDelayPeerPortTxRxOneFollower(clus *Cluster) Failure {
 	}
 }
 
+func newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot() Failure {
+	ff := failureByFunc{
+		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
+		injectMember:  injectDelayPeerPortTxRx,
+		recoverMember: recoverDelayPeerPortTxRx,
+	}
+	f := &failureFollower{ff, -1, -1}
+	return &failureUntilSnapshot{
+		failureCase: rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
+		Failure:     f,
+	}
+}
+
 func newFailureDelayPeerPortTxRxLeader(clus *Cluster) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER,
@@ -64,6 +77,31 @@ func newFailureDelayPeerPortTxRxLeader(clus *Cluster) Failure {
 	}
 }
 
+func newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot() Failure {
+	ff := failureByFunc{
+		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
+		injectMember:  injectDelayPeerPortTxRx,
+		recoverMember: recoverDelayPeerPortTxRx,
+	}
+	f := &failureLeader{ff, -1, -1}
+	return &failureUntilSnapshot{
+		failureCase: rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
+		Failure:     f,
+	}
+}
+
+func newFailureDelayPeerPortTxRxQuorum(clus *Cluster) Failure {
+	f := &failureQuorum{
+		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_QUORUM,
+		injectMember:  injectDelayPeerPortTxRx,
+		recoverMember: recoverDelayPeerPortTxRx,
+	}
+	return &failureDelay{
+		Failure:       f,
+		delayDuration: clus.GetFailureDelayDuration(),
+	}
+}
+
 func newFailureDelayPeerPortTxRxAll(clus *Cluster) Failure {
 	f := &failureAll{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ALL,
diff --git a/tools/functional-tester/tester/failure_case_no_fail.go b/tools/functional-tester/tester/failure_case_no_fail.go
index 2219299607f..235d8bbc626 100644
--- a/tools/functional-tester/tester/failure_case_no_fail.go
+++ b/tools/functional-tester/tester/failure_case_no_fail.go
@@ -33,8 +33,8 @@ func (f *failureNoFailWithStress) Recover(clus *Cluster) error {
 }
 
 func (f *failureNoFailWithStress) Desc() string {
-	if f.desc.Desc() != "" {
-		return f.desc.Desc()
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
@@ -78,8 +78,8 @@ func (f *failureNoFailWithNoStressForLiveness) Recover(clus *Cluster) error {
 }
 
 func (f *failureNoFailWithNoStressForLiveness) Desc() string {
-	if f.desc.Desc() != "" {
-		return f.desc.Desc()
+	if f.desc != "" {
+		return f.desc
 	}
 	return f.failureCase.String()
 }
diff --git a/tools/functional-tester/tester/local-test.yaml b/tools/functional-tester/tester/local-test.yaml
index f5068c23604..381474eb58f 100644
--- a/tools/functional-tester/tester/local-test.yaml
+++ b/tools/functional-tester/tester/local-test.yaml
@@ -76,8 +76,9 @@ tester-config:
   tester-network: tcp
   tester-addr: 127.0.0.1:9028
 
-  delay-latency-ms: 500
-  delay-latency-ms-rv: 50
+  # slow enough to trigger election
+  delay-latency-ms: 5000
+  delay-latency-ms-rv: 150
 
   round-limit: 1
   exit-on-failure: true
@@ -86,16 +87,22 @@ tester-config:
 
   failure-cases:
   - KILL_ONE_FOLLOWER
+  - KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
   - KILL_LEADER
-  - KILL_ONE_FOLLOWER_FOR_LONG
-  - KILL_LEADER_FOR_LONG
+  - KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT
   - KILL_QUORUM
   - KILL_ALL
   - BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER
+  - BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
   - BLACKHOLE_PEER_PORT_TX_RX_LEADER
+  - BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT
+  - BLACKHOLE_PEER_PORT_TX_RX_QUORUM
   - BLACKHOLE_PEER_PORT_TX_RX_ALL
   - DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER
+  - DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
   - DELAY_PEER_PORT_TX_RX_LEADER
+  - DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT
+  - DELAY_PEER_PORT_TX_RX_QUORUM
   - DELAY_PEER_PORT_TX_RX_ALL
   - NO_FAIL_WITH_STRESS
   - NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS
@@ -125,4 +132,4 @@ tester-config:
   stress-key-txn-ops: 10
 
   stress-clients: 100
-  stress-qps: 1000
+  stress-qps: 2000
diff --git a/tools/functional-tester/tester/stress.go b/tools/functional-tester/tester/stress.go
index 9a0b07b8b40..281e20d9e46 100644
--- a/tools/functional-tester/tester/stress.go
+++ b/tools/functional-tester/tester/stress.go
@@ -41,7 +41,11 @@ type Stresser interface {
 func newStresser(clus *Cluster, m *rpcpb.Member) Stresser {
 	stressers := make([]Stresser, len(clus.Tester.StressTypes))
 	for i, stype := range clus.Tester.StressTypes {
-		clus.lg.Info("creating stresser", zap.String("type", stype))
+		clus.lg.Info(
+			"creating stresser",
+			zap.String("type", stype),
+			zap.String("endpoint", m.EtcdClientEndpoint),
+		)
 
 		switch stype {
 		case "KV":
diff --git a/tools/functional-tester/tester/stress_key.go b/tools/functional-tester/tester/stress_key.go
index 7b2c62bd484..e8883c145b4 100644
--- a/tools/functional-tester/tester/stress_key.go
+++ b/tools/functional-tester/tester/stress_key.go
@@ -102,7 +102,7 @@ func (s *keyStresser) Stress() error {
 	}
 
 	s.lg.Info(
-		"key stresser started in background",
+		"key stresser START",
 		zap.String("endpoint", s.m.EtcdClientEndpoint),
 	)
 	return nil
@@ -181,16 +181,16 @@ func (s *keyStresser) Close() map[string]int {
 	s.cli.Close()
 	s.wg.Wait()
 
-	s.lg.Info(
-		"key stresser is closed",
-		zap.String("endpoint", s.m.EtcdClientEndpoint),
-	)
-
 	s.emu.Lock()
 	s.paused = true
 	ess := s.ems
 	s.ems = make(map[string]int, 100)
 	s.emu.Unlock()
+
+	s.lg.Info(
+		"key stresser STOP",
+		zap.String("endpoint", s.m.EtcdClientEndpoint),
+	)
 	return ess
 }
 
diff --git a/tools/functional-tester/tester/stress_lease.go b/tools/functional-tester/tester/stress_lease.go
index 5d7050fe78d..5257213d984 100644
--- a/tools/functional-tester/tester/stress_lease.go
+++ b/tools/functional-tester/tester/stress_lease.go
@@ -121,7 +121,7 @@ func (ls *leaseStresser) setupOnce() error {
 
 func (ls *leaseStresser) Stress() error {
 	ls.lg.Info(
-		"lease stresser is started",
+		"lease stresser START",
 		zap.String("endpoint", ls.m.EtcdClientEndpoint),
 	)
 
@@ -452,16 +452,12 @@ func (ls *leaseStresser) Pause() map[string]int {
 }
 
 func (ls *leaseStresser) Close() map[string]int {
-	ls.lg.Info(
-		"lease stresser is closing",
-		zap.String("endpoint", ls.m.EtcdClientEndpoint),
-	)
 	ls.cancel()
 	ls.runWg.Wait()
 	ls.aliveWg.Wait()
 	ls.cli.Close()
 	ls.lg.Info(
-		"lease stresser is closed",
+		"lease stresser STOP",
 		zap.String("endpoint", ls.m.EtcdClientEndpoint),
 	)
 	return nil

From 190119569a2349a1317403736324756bf90cc960 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Wed, 4 Apr 2018 19:24:48 -0700
Subject: [PATCH 02/15] functional-tester/rpcpb: add "trigger snapshot" cases
 for network faults

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/rpcpb/rpc.pb.go | 349 +++++++++++++-----------
 tools/functional-tester/rpcpb/rpc.proto |  32 ++-
 2 files changed, 205 insertions(+), 176 deletions(-)

diff --git a/tools/functional-tester/rpcpb/rpc.pb.go b/tools/functional-tester/rpcpb/rpc.pb.go
index 2ff92826c4b..37f74261b80 100644
--- a/tools/functional-tester/rpcpb/rpc.pb.go
+++ b/tools/functional-tester/rpcpb/rpc.pb.go
@@ -92,63 +92,81 @@ func (Operation) EnumDescriptor() ([]byte, []int) { return fileDescriptorRpc, []
 type FailureCase int32
 
 const (
-	FailureCase_KILL_ONE_FOLLOWER                      FailureCase = 0
-	FailureCase_KILL_LEADER                            FailureCase = 1
-	FailureCase_KILL_ONE_FOLLOWER_FOR_LONG             FailureCase = 2
-	FailureCase_KILL_LEADER_FOR_LONG                   FailureCase = 3
-	FailureCase_KILL_QUORUM                            FailureCase = 4
-	FailureCase_KILL_ALL                               FailureCase = 5
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER FailureCase = 6
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER       FailureCase = 7
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ALL          FailureCase = 8
-	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER     FailureCase = 9
-	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER           FailureCase = 10
-	FailureCase_DELAY_PEER_PORT_TX_RX_ALL              FailureCase = 11
+	FailureCase_KILL_ONE_FOLLOWER                                             FailureCase = 0
+	FailureCase_KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT                      FailureCase = 1
+	FailureCase_KILL_LEADER                                                   FailureCase = 2
+	FailureCase_KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT                            FailureCase = 3
+	FailureCase_KILL_QUORUM                                                   FailureCase = 4
+	FailureCase_KILL_ALL                                                      FailureCase = 5
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER                        FailureCase = 100
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT FailureCase = 101
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER                              FailureCase = 102
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT       FailureCase = 103
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_QUORUM                              FailureCase = 104
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ALL                                 FailureCase = 105
+	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER                            FailureCase = 200
+	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT     FailureCase = 201
+	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER                                  FailureCase = 202
+	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT           FailureCase = 203
+	FailureCase_DELAY_PEER_PORT_TX_RX_QUORUM                                  FailureCase = 204
+	FailureCase_DELAY_PEER_PORT_TX_RX_ALL                                     FailureCase = 205
 	// NO_FAIL_WITH_STRESS runs no-op failure injection for specified period
 	// while stressers are still sending requests.
-	FailureCase_NO_FAIL_WITH_STRESS FailureCase = 100
+	FailureCase_NO_FAIL_WITH_STRESS FailureCase = 300
 	// NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS runs no-op failure injection
 	// with all stressers stopped.
-	FailureCase_NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS FailureCase = 101
-	FailureCase_FAILPOINTS                          FailureCase = 200
-	FailureCase_EXTERNAL                            FailureCase = 300
+	FailureCase_NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS FailureCase = 301
+	FailureCase_FAILPOINTS                          FailureCase = 400
+	FailureCase_EXTERNAL                            FailureCase = 500
 )
 
 var FailureCase_name = map[int32]string{
 	0:   "KILL_ONE_FOLLOWER",
-	1:   "KILL_LEADER",
-	2:   "KILL_ONE_FOLLOWER_FOR_LONG",
-	3:   "KILL_LEADER_FOR_LONG",
+	1:   "KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+	2:   "KILL_LEADER",
+	3:   "KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT",
 	4:   "KILL_QUORUM",
 	5:   "KILL_ALL",
-	6:   "BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER",
-	7:   "BLACKHOLE_PEER_PORT_TX_RX_LEADER",
-	8:   "BLACKHOLE_PEER_PORT_TX_RX_ALL",
-	9:   "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
-	10:  "DELAY_PEER_PORT_TX_RX_LEADER",
-	11:  "DELAY_PEER_PORT_TX_RX_ALL",
-	100: "NO_FAIL_WITH_STRESS",
-	101: "NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS",
-	200: "FAILPOINTS",
-	300: "EXTERNAL",
+	100: "BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER",
+	101: "BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+	102: "BLACKHOLE_PEER_PORT_TX_RX_LEADER",
+	103: "BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+	104: "BLACKHOLE_PEER_PORT_TX_RX_QUORUM",
+	105: "BLACKHOLE_PEER_PORT_TX_RX_ALL",
+	200: "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
+	201: "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+	202: "DELAY_PEER_PORT_TX_RX_LEADER",
+	203: "DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+	204: "DELAY_PEER_PORT_TX_RX_QUORUM",
+	205: "DELAY_PEER_PORT_TX_RX_ALL",
+	300: "NO_FAIL_WITH_STRESS",
+	301: "NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS",
+	400: "FAILPOINTS",
+	500: "EXTERNAL",
 }
 var FailureCase_value = map[string]int32{
-	"KILL_ONE_FOLLOWER":          0,
-	"KILL_LEADER":                1,
-	"KILL_ONE_FOLLOWER_FOR_LONG": 2,
-	"KILL_LEADER_FOR_LONG":       3,
-	"KILL_QUORUM":                4,
-	"KILL_ALL":                   5,
-	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER": 6,
-	"BLACKHOLE_PEER_PORT_TX_RX_LEADER":       7,
-	"BLACKHOLE_PEER_PORT_TX_RX_ALL":          8,
-	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":     9,
-	"DELAY_PEER_PORT_TX_RX_LEADER":           10,
-	"DELAY_PEER_PORT_TX_RX_ALL":              11,
-	"NO_FAIL_WITH_STRESS":                    100,
-	"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS":    101,
-	"FAILPOINTS":                             200,
-	"EXTERNAL":                               300,
+	"KILL_ONE_FOLLOWER":                        0,
+	"KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT": 1,
+	"KILL_LEADER":                              2,
+	"KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT":       3,
+	"KILL_QUORUM":                              4,
+	"KILL_ALL":                                 5,
+	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER":                        100,
+	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT": 101,
+	"BLACKHOLE_PEER_PORT_TX_RX_LEADER":                              102,
+	"BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":       103,
+	"BLACKHOLE_PEER_PORT_TX_RX_QUORUM":                              104,
+	"BLACKHOLE_PEER_PORT_TX_RX_ALL":                                 105,
+	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":                            200,
+	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":     201,
+	"DELAY_PEER_PORT_TX_RX_LEADER":                                  202,
+	"DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":           203,
+	"DELAY_PEER_PORT_TX_RX_QUORUM":                                  204,
+	"DELAY_PEER_PORT_TX_RX_ALL":                                     205,
+	"NO_FAIL_WITH_STRESS":                                           300,
+	"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS":                           301,
+	"FAILPOINTS":                                                    400,
+	"EXTERNAL":                                                      500,
 }
 
 func (x FailureCase) String() string {
@@ -2846,122 +2864,127 @@ var (
 func init() { proto.RegisterFile("rpcpb/rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
-	// 1870 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x84, 0x58, 0x7f, 0x72, 0xdb, 0xb8,
-	0x15, 0xb6, 0x6c, 0xcb, 0xb6, 0xe0, 0x5f, 0x0c, 0x6c, 0xc7, 0x8c, 0x93, 0x98, 0x5e, 0x6e, 0x37,
-	0x75, 0x3d, 0x43, 0xa7, 0xcd, 0x76, 0x3a, 0xd3, 0x9d, 0xed, 0xa4, 0x92, 0xcc, 0xac, 0x5d, 0x33,
-	0x92, 0x02, 0xc9, 0x49, 0xfa, 0x97, 0x4a, 0x51, 0x90, 0xc4, 0x9a, 0x22, 0x19, 0x00, 0xf2, 0x4a,
-	0x7b, 0x81, 0x4e, 0x6f, 0xd0, 0x43, 0xb4, 0xf7, 0x48, 0xdb, 0x9d, 0x4e, 0x4f, 0xa0, 0xb6, 0xe9,
-	0x0d, 0x74, 0x81, 0x76, 0x00, 0x50, 0x12, 0x28, 0xc9, 0xed, 0x7f, 0xc2, 0x7b, 0xdf, 0xf7, 0xf1,
-	0xe1, 0x01, 0xef, 0x3d, 0xd8, 0x60, 0x97, 0xc4, 0x5e, 0xdc, 0x78, 0x4e, 0x62, 0xef, 0x3c, 0x26,
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+	0xbd, 0xb4, 0xce, 0xc6, 0x58, 0xf8, 0x39, 0xd8, 0x10, 0xf1, 0x14, 0x9c, 0x04, 0x27, 0x5a, 0x96,
+	0x4d, 0x3d, 0xa9, 0x48, 0x45, 0xf4, 0x86, 0x4b, 0xdd, 0x3a, 0x4a, 0xa1, 0xe9, 0x69, 0x8a, 0x35,
+	0xcb, 0xeb, 0xb3, 0x44, 0x3b, 0x98, 0x3c, 0xcd, 0x21, 0x9f, 0x1f, 0x07, 0x3b, 0xcd, 0x34, 0x85,
+	0x0e, 0x48, 0x61, 0xa9, 0xb6, 0x3b, 0xcd, 0xa6, 0x8f, 0xb5, 0x7b, 0x93, 0xa9, 0x1c, 0x8a, 0x24,
+	0x1c, 0x30, 0xd6, 0x10, 0x0c, 0x78, 0x26, 0xf5, 0xb9, 0x42, 0x78, 0x79, 0xe9, 0x04, 0x8d, 0x44,
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+	0x09, 0x02, 0x1c, 0x8f, 0x5a, 0xf5, 0x8f, 0xd8, 0xfd, 0x96, 0x76, 0x15, 0x33, 0xbf, 0xdc, 0xac,
+	0x27, 0x28, 0xf4, 0xf9, 0x64, 0x76, 0x09, 0x8e, 0x03, 0xc7, 0x1f, 0xc9, 0x1c, 0x31, 0x19, 0x29,
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+	0x13, 0x0d, 0xb3, 0x6d, 0x49, 0xc7, 0x9b, 0x30, 0xa7, 0x41, 0xa8, 0x57, 0x47, 0x32, 0x96, 0xde,
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+	0x61, 0xad, 0xc5, 0x64, 0xa4, 0x99, 0x38, 0x21, 0x63, 0xf8, 0x14, 0xa6, 0xa3, 0x19, 0x5c, 0xf8,
+	0x02, 0xdc, 0x18, 0x5b, 0x3b, 0xcd, 0xa6, 0xd7, 0x45, 0x4e, 0xd0, 0xc2, 0x5a, 0x9b, 0x69, 0xea,
+	0x83, 0x7e, 0x76, 0x7f, 0x5a, 0x93, 0xe1, 0x8c, 0x98, 0x02, 0x75, 0x34, 0x93, 0x0f, 0x7f, 0x0f,
+	0xf6, 0x66, 0xd9, 0xed, 0x6e, 0xa0, 0x79, 0x4c, 0x5a, 0x7a, 0xcb, 0xcd, 0x91, 0x36, 0x48, 0x37,
+	0xd0, 0xd1, 0x3c, 0x19, 0x3a, 0x51, 0x46, 0x2e, 0xbb, 0x1b, 0x94, 0xa3, 0x44, 0xfb, 0x03, 0x53,
+	0x96, 0x8e, 0x54, 0x52, 0x26, 0xdd, 0xc0, 0x08, 0xa3, 0x44, 0x47, 0x93, 0xac, 0xf1, 0xb1, 0xf0,
+	0xa6, 0x9e, 0xf0, 0xe9, 0x96, 0x49, 0x3d, 0x94, 0xb8, 0x0e, 0x9f, 0x05, 0xc9, 0xe8, 0x58, 0x04,
+	0x01, 0xfe, 0x0c, 0xac, 0x71, 0xc3, 0xf3, 0x4a, 0x95, 0x8f, 0xb5, 0x8c, 0xfc, 0x1c, 0x10, 0xec,
+	0xd7, 0xf4, 0xeb, 0x63, 0xa0, 0xfe, 0x47, 0x05, 0x5c, 0x43, 0xf8, 0x75, 0x07, 0x27, 0x04, 0x1e,
+	0x83, 0xb5, 0x72, 0x84, 0x63, 0x87, 0x78, 0x61, 0xc0, 0xda, 0xff, 0xd6, 0x43, 0x55, 0x0c, 0x91,
+	0x91, 0x1d, 0x8d, 0x21, 0xf0, 0x93, 0xe1, 0x43, 0x46, 0xe3, 0x13, 0x67, 0x53, 0x80, 0xb9, 0x11,
+	0x0d, 0x5f, 0x39, 0x9f, 0x0c, 0x67, 0x0c, 0xfb, 0x13, 0x63, 0x0c, 0xe3, 0x46, 0x24, 0x9c, 0xfa,
+	0xe7, 0x60, 0x15, 0xe1, 0x24, 0x0a, 0x83, 0x04, 0x43, 0x0d, 0x5c, 0xab, 0x76, 0x5c, 0x17, 0x27,
+	0x09, 0x8b, 0x63, 0x15, 0x0d, 0x97, 0xf0, 0x26, 0x58, 0xa1, 0x8f, 0xd5, 0x4e, 0xc2, 0x27, 0x0c,
+	0x12, 0xab, 0xa3, 0x7f, 0x2a, 0x52, 0xf0, 0x70, 0x0b, 0x80, 0x52, 0x48, 0xaa, 0xc4, 0x89, 0x09,
+	0x6e, 0xa8, 0x0b, 0xf0, 0x06, 0x50, 0xc5, 0x53, 0x8c, 0xd9, 0xe8, 0xec, 0x53, 0x15, 0xb8, 0x0d,
+	0xd6, 0x11, 0x4e, 0x46, 0x86, 0x45, 0xb8, 0x01, 0x56, 0xcf, 0x3c, 0xdf, 0x67, 0xab, 0x25, 0xea,
+	0xa6, 0x9d, 0x20, 0x17, 0xbb, 0x6d, 0xef, 0x0a, 0xab, 0xcb, 0x54, 0xe5, 0x04, 0x27, 0x24, 0x0e,
+	0x7b, 0x14, 0xc1, 0x9e, 0x54, 0x6a, 0x06, 0xde, 0x02, 0xbb, 0x79, 0xdf, 0x71, 0x2f, 0xda, 0xa1,
+	0xcf, 0x9e, 0xf8, 0x95, 0x30, 0x26, 0x76, 0x17, 0x75, 0xd5, 0x06, 0xbc, 0x03, 0xf6, 0xce, 0x83,
+	0xfa, 0x4c, 0x27, 0x86, 0xbb, 0xe0, 0x3a, 0xeb, 0x77, 0x29, 0x73, 0x13, 0xee, 0x81, 0x9d, 0xf3,
+	0xa0, 0x31, 0xe5, 0x68, 0x1d, 0xfd, 0x6d, 0x85, 0xc7, 0x23, 0x5a, 0x2d, 0xe5, 0x9f, 0x15, 0x2d,
+	0xab, 0x56, 0x2e, 0x99, 0xb5, 0x27, 0x65, 0xcb, 0x2a, 0xbf, 0x34, 0x91, 0xba, 0x00, 0x7f, 0x0c,
+	0x0e, 0xa7, 0xcc, 0xb5, 0xf3, 0x92, 0x5d, 0xb4, 0x6a, 0x36, 0x2a, 0x3e, 0x7d, 0x6a, 0xa2, 0x5a,
+	0xb5, 0x94, 0xab, 0x54, 0x4f, 0xcb, 0x36, 0x4f, 0x01, 0x43, 0x5b, 0x66, 0xee, 0xc4, 0x44, 0xea,
+	0x22, 0xbc, 0x0f, 0x74, 0xc9, 0x30, 0x8f, 0xb8, 0x34, 0x22, 0x3e, 0x3f, 0x2f, 0xa3, 0xf3, 0x67,
+	0xea, 0x32, 0xcb, 0x1d, 0x35, 0xe4, 0x2c, 0x4b, 0xcd, 0xc0, 0x23, 0x70, 0x3f, 0x6f, 0xe5, 0x0a,
+	0x67, 0xa7, 0x65, 0xcb, 0xac, 0x55, 0x4c, 0x13, 0xd5, 0x2a, 0x65, 0x64, 0xd7, 0xec, 0x57, 0x35,
+	0xf4, 0x2a, 0x1d, 0x71, 0x03, 0xe6, 0xc0, 0x17, 0xdf, 0x0f, 0x3b, 0x2f, 0x1a, 0x0c, 0x7f, 0x00,
+	0x0e, 0xe6, 0x4b, 0x88, 0xbd, 0x35, 0xe1, 0xaf, 0xc0, 0x2f, 0x3e, 0x84, 0x9a, 0xf7, 0x89, 0xd6,
+	0xfb, 0x3f, 0x21, 0xb2, 0xd0, 0x86, 0xf7, 0xc0, 0x47, 0xf3, 0x51, 0x34, 0x35, 0x1e, 0xfc, 0x21,
+	0xd0, 0x4f, 0x4c, 0x2b, 0xf7, 0xbb, 0xf7, 0xa7, 0xe5, 0x8d, 0x02, 0x7f, 0x0d, 0x3e, 0xfd, 0x30,
+	0x70, 0x5e, 0xc0, 0xdf, 0x28, 0xf0, 0x1e, 0xb8, 0x3b, 0x9b, 0x2f, 0x12, 0xf2, 0xad, 0x02, 0x7f,
+	0x09, 0x1e, 0xbd, 0x0f, 0x32, 0x4f, 0xfc, 0xbb, 0xf7, 0x88, 0x8b, 0x54, 0xbc, 0x55, 0xe0, 0x3e,
+	0xb8, 0x35, 0x1b, 0x42, 0xf3, 0xf0, 0x77, 0x05, 0x6a, 0x60, 0xa7, 0x54, 0xae, 0x3d, 0xc9, 0x15,
+	0xad, 0xda, 0xcb, 0xa2, 0x7d, 0x5a, 0xab, 0xda, 0xc8, 0xac, 0x56, 0xd5, 0xbf, 0x2e, 0xc2, 0x43,
+	0xf0, 0x71, 0xca, 0x53, 0x2a, 0x0b, 0x67, 0xed, 0x49, 0x19, 0xd5, 0xac, 0xe2, 0x0b, 0xb3, 0x44,
+	0x91, 0x5f, 0x2f, 0xc2, 0x6d, 0x00, 0x28, 0xac, 0x52, 0x2e, 0x96, 0xec, 0xaa, 0xfa, 0xe7, 0x25,
+	0xb8, 0x09, 0x56, 0xcd, 0x57, 0xb6, 0x89, 0x4a, 0x39, 0x4b, 0xfd, 0xef, 0xd2, 0x51, 0x08, 0xc0,
+	0x78, 0xf8, 0xc1, 0x15, 0xb0, 0x78, 0xf6, 0x42, 0x5d, 0x80, 0x6b, 0x20, 0x63, 0x99, 0xb9, 0xaa,
+	0xa9, 0x2a, 0x70, 0x07, 0x6c, 0x9b, 0x96, 0x59, 0xb0, 0x8b, 0xe5, 0x52, 0x0d, 0x9d, 0x97, 0x4a,
+	0xac, 0x08, 0x54, 0xb0, 0xf1, 0x32, 0x67, 0x17, 0x4e, 0x87, 0x96, 0x25, 0x5a, 0x6c, 0x56, 0xb9,
+	0x70, 0x56, 0x43, 0xb9, 0x82, 0x89, 0x86, 0xe6, 0x65, 0x0a, 0x64, 0x42, 0x43, 0x4b, 0xe6, 0xe1,
+	0x63, 0xb0, 0x66, 0xc7, 0x4e, 0x90, 0x44, 0x61, 0x4c, 0xe0, 0x43, 0x79, 0xb1, 0x25, 0xda, 0x9e,
+	0xe8, 0xb6, 0xb7, 0xb7, 0x47, 0x6b, 0xde, 0xf4, 0xf4, 0x85, 0x43, 0xe5, 0x27, 0x4a, 0xfe, 0xc6,
+	0x9b, 0x7f, 0xef, 0x2f, 0xbc, 0x79, 0xb7, 0xaf, 0xfc, 0xe3, 0xdd, 0xbe, 0xf2, 0xaf, 0x77, 0xfb,
+	0xca, 0x5f, 0xfe, 0xb3, 0xbf, 0x50, 0x5f, 0x61, 0xff, 0x0a, 0x7a, 0xf4, 0xff, 0x00, 0x00, 0x00,
+	0xff, 0xff, 0x4d, 0xf3, 0x65, 0xc5, 0x53, 0x12, 0x00, 0x00,
 }
diff --git a/tools/functional-tester/rpcpb/rpc.proto b/tools/functional-tester/rpcpb/rpc.proto
index cbe206d5632..c4d81f5fd78 100644
--- a/tools/functional-tester/rpcpb/rpc.proto
+++ b/tools/functional-tester/rpcpb/rpc.proto
@@ -86,29 +86,35 @@ message Member {
 
 enum FailureCase {
   KILL_ONE_FOLLOWER = 0;
-  KILL_LEADER = 1;
-  KILL_ONE_FOLLOWER_FOR_LONG = 2;
-  KILL_LEADER_FOR_LONG = 3;
+  KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 1;
+  KILL_LEADER = 2;
+  KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT = 3;
   KILL_QUORUM = 4;
   KILL_ALL = 5;
 
-  BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER = 6;
-  BLACKHOLE_PEER_PORT_TX_RX_LEADER = 7;
-  BLACKHOLE_PEER_PORT_TX_RX_ALL = 8;
+  BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER = 100;
+  BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 101;
+  BLACKHOLE_PEER_PORT_TX_RX_LEADER = 102;
+  BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT = 103;
+  BLACKHOLE_PEER_PORT_TX_RX_QUORUM = 104;
+  BLACKHOLE_PEER_PORT_TX_RX_ALL = 105;
 
-  DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER = 9;
-  DELAY_PEER_PORT_TX_RX_LEADER = 10;
-  DELAY_PEER_PORT_TX_RX_ALL = 11;
+  DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER = 200;
+  DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 201;
+  DELAY_PEER_PORT_TX_RX_LEADER = 202;
+  DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT = 203;
+  DELAY_PEER_PORT_TX_RX_QUORUM = 204;
+  DELAY_PEER_PORT_TX_RX_ALL = 205;
 
   // NO_FAIL_WITH_STRESS runs no-op failure injection for specified period
   // while stressers are still sending requests.
-  NO_FAIL_WITH_STRESS = 100;
+  NO_FAIL_WITH_STRESS = 300;
   // NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS runs no-op failure injection
   // with all stressers stopped.
-  NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS = 101;
+  NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS = 301;
 
-  FAILPOINTS = 200;
-  EXTERNAL = 300;
+  FAILPOINTS = 400;
+  EXTERNAL = 500;
 }
 
 enum StressType {

From 32c34b582aa5d0eeaf6182b9e39c666b9150c56a Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Wed, 4 Apr 2018 19:57:02 -0700
Subject: [PATCH 03/15] functional-tester/agent: clean up handler logs

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/agent/handler.go | 22 ----------------------
 1 file changed, 22 deletions(-)

diff --git a/tools/functional-tester/agent/handler.go b/tools/functional-tester/agent/handler.go
index c8ea2d3312e..936c3bb3a97 100644
--- a/tools/functional-tester/agent/handler.go
+++ b/tools/functional-tester/agent/handler.go
@@ -78,7 +78,6 @@ func (srv *Server) handleInitialStartEtcd(req *rpcpb.Request) (*rpcpb.Response,
 	srv.Member = req.Member
 	srv.Tester = req.Tester
 
-	srv.lg.Info("creating base directory", zap.String("path", srv.Member.BaseDir))
 	err := fileutil.TouchDirAll(srv.Member.BaseDir)
 	if err != nil {
 		return nil, err
@@ -90,7 +89,6 @@ func (srv *Server) handleInitialStartEtcd(req *rpcpb.Request) (*rpcpb.Response,
 	}
 	srv.creatEtcdCmd()
 
-	srv.lg.Info("starting etcd")
 	err = srv.startEtcdCmd()
 	if err != nil {
 		return nil, err
@@ -121,7 +119,6 @@ func (srv *Server) startProxy() error {
 			return err
 		}
 
-		srv.lg.Info("starting proxy on client traffic", zap.String("url", advertiseClientURL.String()))
 		srv.advertiseClientPortToProxy[advertiseClientURLPort] = transport.NewProxy(transport.ProxyConfig{
 			Logger: srv.lg,
 			From:   *advertiseClientURL,
@@ -145,7 +142,6 @@ func (srv *Server) startProxy() error {
 			return err
 		}
 
-		srv.lg.Info("starting proxy on peer traffic", zap.String("url", advertisePeerURL.String()))
 		srv.advertisePeerPortToProxy[advertisePeerURLPort] = transport.NewProxy(transport.ProxyConfig{
 			Logger: srv.lg,
 			From:   *advertisePeerURL,
@@ -164,11 +160,6 @@ func (srv *Server) startProxy() error {
 func (srv *Server) stopProxy() {
 	if srv.Member.EtcdClientProxy && len(srv.advertiseClientPortToProxy) > 0 {
 		for port, px := range srv.advertiseClientPortToProxy {
-			srv.lg.Info("closing proxy",
-				zap.Int("port", port),
-				zap.String("from", px.From()),
-				zap.String("to", px.To()),
-			)
 			if err := px.Close(); err != nil {
 				srv.lg.Warn("failed to close proxy", zap.Int("port", port))
 				continue
@@ -189,11 +180,6 @@ func (srv *Server) stopProxy() {
 	}
 	if srv.Member.EtcdPeerProxy && len(srv.advertisePeerPortToProxy) > 0 {
 		for port, px := range srv.advertisePeerPortToProxy {
-			srv.lg.Info("closing proxy",
-				zap.Int("port", port),
-				zap.String("from", px.From()),
-				zap.String("to", px.To()),
-			)
 			if err := px.Close(); err != nil {
 				srv.lg.Warn("failed to close proxy", zap.Int("port", port))
 				continue
@@ -215,7 +201,6 @@ func (srv *Server) stopProxy() {
 }
 
 func (srv *Server) createEtcdFile() error {
-	srv.lg.Info("creating etcd log file", zap.String("path", srv.Member.EtcdLogPath))
 	var err error
 	srv.etcdLogFile, err = os.Create(srv.Member.EtcdLogPath)
 	if err != nil {
@@ -273,7 +258,6 @@ func (srv *Server) handleRestartEtcd() (*rpcpb.Response, error) {
 func (srv *Server) handleKillEtcd() (*rpcpb.Response, error) {
 	srv.stopProxy()
 
-	srv.lg.Info("killing etcd", zap.String("signal", syscall.SIGTERM.String()))
 	err := stopWithSig(srv.etcdCmd, syscall.SIGTERM)
 	if err != nil {
 		return nil, err
@@ -290,7 +274,6 @@ func (srv *Server) handleFailArchive() (*rpcpb.Response, error) {
 	srv.stopProxy()
 
 	// exit with stackstrace
-	srv.lg.Info("killing etcd", zap.String("signal", syscall.SIGQUIT.String()))
 	err := stopWithSig(srv.etcdCmd, syscall.SIGQUIT)
 	if err != nil {
 		return nil, err
@@ -301,7 +284,6 @@ func (srv *Server) handleFailArchive() (*rpcpb.Response, error) {
 	srv.etcdLogFile.Close()
 
 	// TODO: support separate WAL directory
-	srv.lg.Info("archiving data", zap.String("base-dir", srv.Member.BaseDir))
 	if err = archive(
 		srv.Member.BaseDir,
 		srv.Member.EtcdLogPath,
@@ -329,14 +311,12 @@ func (srv *Server) handleFailArchive() (*rpcpb.Response, error) {
 
 // stop proxy, etcd, delete data directory
 func (srv *Server) handleDestroyEtcdAgent() (*rpcpb.Response, error) {
-	srv.lg.Info("killing etcd", zap.String("signal", syscall.SIGTERM.String()))
 	err := stopWithSig(srv.etcdCmd, syscall.SIGTERM)
 	if err != nil {
 		return nil, err
 	}
 	srv.lg.Info("killed etcd", zap.String("signal", syscall.SIGTERM.String()))
 
-	srv.lg.Info("removing base directory", zap.String("dir", srv.Member.BaseDir))
 	err = os.RemoveAll(srv.Member.BaseDir)
 	if err != nil {
 		return nil, err
@@ -347,12 +327,10 @@ func (srv *Server) handleDestroyEtcdAgent() (*rpcpb.Response, error) {
 	srv.Stop()
 
 	for port, px := range srv.advertiseClientPortToProxy {
-		srv.lg.Info("closing proxy", zap.Int("client-port", port))
 		err := px.Close()
 		srv.lg.Info("closed proxy", zap.Int("client-port", port), zap.Error(err))
 	}
 	for port, px := range srv.advertisePeerPortToProxy {
-		srv.lg.Info("closing proxy", zap.Int("peer-port", port))
 		err := px.Close()
 		srv.lg.Info("closed proxy", zap.Int("peer-port", port), zap.Error(err))
 	}

From 451395449a6557803ff3caffd2ee8a98e44994b7 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:37:16 -0700
Subject: [PATCH 04/15] functional-tester/tester: add "heartbeat-interval",
 "election-timeout"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/rpcpb/etcd_config.go  |   7 +
 .../rpcpb/etcd_config_test.go                 |   4 +
 tools/functional-tester/rpcpb/rpc.pb.go       | 426 +++++++++++-------
 tools/functional-tester/rpcpb/rpc.proto       |  33 +-
 4 files changed, 289 insertions(+), 181 deletions(-)

diff --git a/tools/functional-tester/rpcpb/etcd_config.go b/tools/functional-tester/rpcpb/etcd_config.go
index 452b4dc71b4..f381894f47b 100644
--- a/tools/functional-tester/rpcpb/etcd_config.go
+++ b/tools/functional-tester/rpcpb/etcd_config.go
@@ -24,15 +24,22 @@ var etcdFields = []string{
 	"Name",
 	"DataDir",
 	"WALDir",
+
+	"HeartbeatIntervalMs",
+	"ElectionTimeoutMs",
+
 	"ListenClientURLs",
 	"AdvertiseClientURLs",
 	"ListenPeerURLs",
 	"InitialAdvertisePeerURLs",
+
 	"InitialCluster",
 	"InitialClusterState",
 	"InitialClusterToken",
+
 	"SnapshotCount",
 	"QuotaBackendBytes",
+
 	"PreVote",
 	"InitialCorruptCheck",
 }
diff --git a/tools/functional-tester/rpcpb/etcd_config_test.go b/tools/functional-tester/rpcpb/etcd_config_test.go
index c6071669143..fce8075dd68 100644
--- a/tools/functional-tester/rpcpb/etcd_config_test.go
+++ b/tools/functional-tester/rpcpb/etcd_config_test.go
@@ -24,6 +24,8 @@ func TestEtcdFlags(t *testing.T) {
 		Name:                     "s1",
 		DataDir:                  "/tmp/etcd-agent-data-1/etcd.data",
 		WALDir:                   "/tmp/etcd-agent-data-1/etcd.data/member/wal",
+		HeartbeatIntervalMs:      100,
+		ElectionTimeoutMs:        1000,
 		ListenClientURLs:         []string{"127.0.0.1:1379"},
 		AdvertiseClientURLs:      []string{"127.0.0.1:13790"},
 		ListenPeerURLs:           []string{"127.0.0.1:1380"},
@@ -40,6 +42,8 @@ func TestEtcdFlags(t *testing.T) {
 		"--name=s1",
 		"--data-dir=/tmp/etcd-agent-data-1/etcd.data",
 		"--wal-dir=/tmp/etcd-agent-data-1/etcd.data/member/wal",
+		"--heartbeat-interval=100",
+		"--election-timeout=1000",
 		"--listen-client-urls=127.0.0.1:1379",
 		"--advertise-client-urls=127.0.0.1:13790",
 		"--listen-peer-urls=127.0.0.1:1380",
diff --git a/tools/functional-tester/rpcpb/rpc.pb.go b/tools/functional-tester/rpcpb/rpc.pb.go
index 37f74261b80..9496673f469 100644
--- a/tools/functional-tester/rpcpb/rpc.pb.go
+++ b/tools/functional-tester/rpcpb/rpc.pb.go
@@ -208,20 +208,26 @@ func (x StressType) String() string {
 func (StressType) EnumDescriptor() ([]byte, []int) { return fileDescriptorRpc, []int{2} }
 
 type Etcd struct {
-	Name                     string   `protobuf:"bytes,1,opt,name=Name,proto3" json:"Name,omitempty" yaml:"name"`
-	DataDir                  string   `protobuf:"bytes,2,opt,name=DataDir,proto3" json:"DataDir,omitempty" yaml:"data-dir"`
-	WALDir                   string   `protobuf:"bytes,3,opt,name=WALDir,proto3" json:"WALDir,omitempty" yaml:"wal-dir"`
-	ListenClientURLs         []string `protobuf:"bytes,4,rep,name=ListenClientURLs" json:"ListenClientURLs,omitempty" yaml:"listen-client-urls"`
-	AdvertiseClientURLs      []string `protobuf:"bytes,5,rep,name=AdvertiseClientURLs" json:"AdvertiseClientURLs,omitempty" yaml:"advertise-client-urls"`
-	ListenPeerURLs           []string `protobuf:"bytes,6,rep,name=ListenPeerURLs" json:"ListenPeerURLs,omitempty" yaml:"listen-peer-urls"`
-	InitialAdvertisePeerURLs []string `protobuf:"bytes,7,rep,name=InitialAdvertisePeerURLs" json:"InitialAdvertisePeerURLs,omitempty" yaml:"initial-advertise-peer-urls"`
-	InitialCluster           string   `protobuf:"bytes,8,opt,name=InitialCluster,proto3" json:"InitialCluster,omitempty" yaml:"initial-cluster"`
-	InitialClusterState      string   `protobuf:"bytes,9,opt,name=InitialClusterState,proto3" json:"InitialClusterState,omitempty" yaml:"initial-cluster-state"`
-	InitialClusterToken      string   `protobuf:"bytes,10,opt,name=InitialClusterToken,proto3" json:"InitialClusterToken,omitempty" yaml:"initial-cluster-token"`
-	SnapshotCount            int64    `protobuf:"varint,11,opt,name=SnapshotCount,proto3" json:"SnapshotCount,omitempty" yaml:"snapshot-count"`
-	QuotaBackendBytes        int64    `protobuf:"varint,12,opt,name=QuotaBackendBytes,proto3" json:"QuotaBackendBytes,omitempty" yaml:"quota-backend-bytes"`
-	PreVote                  bool     `protobuf:"varint,13,opt,name=PreVote,proto3" json:"PreVote,omitempty" yaml:"pre-vote"`
-	InitialCorruptCheck      bool     `protobuf:"varint,14,opt,name=InitialCorruptCheck,proto3" json:"InitialCorruptCheck,omitempty" yaml:"initial-corrupt-check"`
+	Name    string `protobuf:"bytes,1,opt,name=Name,proto3" json:"Name,omitempty" yaml:"name"`
+	DataDir string `protobuf:"bytes,2,opt,name=DataDir,proto3" json:"DataDir,omitempty" yaml:"data-dir"`
+	WALDir  string `protobuf:"bytes,3,opt,name=WALDir,proto3" json:"WALDir,omitempty" yaml:"wal-dir"`
+	// HeartbeatIntervalMs is the time (in milliseconds) of a heartbeat interval.
+	// Default value is 100, which is 100ms.
+	HeartbeatIntervalMs int64 `protobuf:"varint,11,opt,name=HeartbeatIntervalMs,proto3" json:"HeartbeatIntervalMs,omitempty" yaml:"heartbeat-interval"`
+	// ElectionTimeoutMs is the time (in milliseconds) for an election to timeout.
+	// Default value is 1000, which is 1s.
+	ElectionTimeoutMs        int64    `protobuf:"varint,12,opt,name=ElectionTimeoutMs,proto3" json:"ElectionTimeoutMs,omitempty" yaml:"election-timeout"`
+	ListenClientURLs         []string `protobuf:"bytes,21,rep,name=ListenClientURLs" json:"ListenClientURLs,omitempty" yaml:"listen-client-urls"`
+	AdvertiseClientURLs      []string `protobuf:"bytes,22,rep,name=AdvertiseClientURLs" json:"AdvertiseClientURLs,omitempty" yaml:"advertise-client-urls"`
+	ListenPeerURLs           []string `protobuf:"bytes,23,rep,name=ListenPeerURLs" json:"ListenPeerURLs,omitempty" yaml:"listen-peer-urls"`
+	InitialAdvertisePeerURLs []string `protobuf:"bytes,24,rep,name=InitialAdvertisePeerURLs" json:"InitialAdvertisePeerURLs,omitempty" yaml:"initial-advertise-peer-urls"`
+	InitialCluster           string   `protobuf:"bytes,31,opt,name=InitialCluster,proto3" json:"InitialCluster,omitempty" yaml:"initial-cluster"`
+	InitialClusterState      string   `protobuf:"bytes,32,opt,name=InitialClusterState,proto3" json:"InitialClusterState,omitempty" yaml:"initial-cluster-state"`
+	InitialClusterToken      string   `protobuf:"bytes,33,opt,name=InitialClusterToken,proto3" json:"InitialClusterToken,omitempty" yaml:"initial-cluster-token"`
+	SnapshotCount            int64    `protobuf:"varint,41,opt,name=SnapshotCount,proto3" json:"SnapshotCount,omitempty" yaml:"snapshot-count"`
+	QuotaBackendBytes        int64    `protobuf:"varint,42,opt,name=QuotaBackendBytes,proto3" json:"QuotaBackendBytes,omitempty" yaml:"quota-backend-bytes"`
+	PreVote                  bool     `protobuf:"varint,43,opt,name=PreVote,proto3" json:"PreVote,omitempty" yaml:"pre-vote"`
+	InitialCorruptCheck      bool     `protobuf:"varint,44,opt,name=InitialCorruptCheck,proto3" json:"InitialCorruptCheck,omitempty" yaml:"initial-corrupt-check"`
 }
 
 func (m *Etcd) Reset()                    { *m = Etcd{} }
@@ -485,9 +491,21 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.WALDir)))
 		i += copy(dAtA[i:], m.WALDir)
 	}
+	if m.HeartbeatIntervalMs != 0 {
+		dAtA[i] = 0x58
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.HeartbeatIntervalMs))
+	}
+	if m.ElectionTimeoutMs != 0 {
+		dAtA[i] = 0x60
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.ElectionTimeoutMs))
+	}
 	if len(m.ListenClientURLs) > 0 {
 		for _, s := range m.ListenClientURLs {
-			dAtA[i] = 0x22
+			dAtA[i] = 0xaa
+			i++
+			dAtA[i] = 0x1
 			i++
 			l = len(s)
 			for l >= 1<<7 {
@@ -502,7 +520,9 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 	}
 	if len(m.AdvertiseClientURLs) > 0 {
 		for _, s := range m.AdvertiseClientURLs {
-			dAtA[i] = 0x2a
+			dAtA[i] = 0xb2
+			i++
+			dAtA[i] = 0x1
 			i++
 			l = len(s)
 			for l >= 1<<7 {
@@ -517,7 +537,9 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 	}
 	if len(m.ListenPeerURLs) > 0 {
 		for _, s := range m.ListenPeerURLs {
-			dAtA[i] = 0x32
+			dAtA[i] = 0xba
+			i++
+			dAtA[i] = 0x1
 			i++
 			l = len(s)
 			for l >= 1<<7 {
@@ -532,7 +554,9 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 	}
 	if len(m.InitialAdvertisePeerURLs) > 0 {
 		for _, s := range m.InitialAdvertisePeerURLs {
-			dAtA[i] = 0x3a
+			dAtA[i] = 0xc2
+			i++
+			dAtA[i] = 0x1
 			i++
 			l = len(s)
 			for l >= 1<<7 {
@@ -546,35 +570,47 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 		}
 	}
 	if len(m.InitialCluster) > 0 {
-		dAtA[i] = 0x42
+		dAtA[i] = 0xfa
+		i++
+		dAtA[i] = 0x1
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.InitialCluster)))
 		i += copy(dAtA[i:], m.InitialCluster)
 	}
 	if len(m.InitialClusterState) > 0 {
-		dAtA[i] = 0x4a
+		dAtA[i] = 0x82
+		i++
+		dAtA[i] = 0x2
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.InitialClusterState)))
 		i += copy(dAtA[i:], m.InitialClusterState)
 	}
 	if len(m.InitialClusterToken) > 0 {
-		dAtA[i] = 0x52
+		dAtA[i] = 0x8a
+		i++
+		dAtA[i] = 0x2
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(len(m.InitialClusterToken)))
 		i += copy(dAtA[i:], m.InitialClusterToken)
 	}
 	if m.SnapshotCount != 0 {
-		dAtA[i] = 0x58
+		dAtA[i] = 0xc8
+		i++
+		dAtA[i] = 0x2
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.SnapshotCount))
 	}
 	if m.QuotaBackendBytes != 0 {
-		dAtA[i] = 0x60
+		dAtA[i] = 0xd0
+		i++
+		dAtA[i] = 0x2
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.QuotaBackendBytes))
 	}
 	if m.PreVote {
-		dAtA[i] = 0x68
+		dAtA[i] = 0xd8
+		i++
+		dAtA[i] = 0x2
 		i++
 		if m.PreVote {
 			dAtA[i] = 1
@@ -584,7 +620,9 @@ func (m *Etcd) MarshalTo(dAtA []byte) (int, error) {
 		i++
 	}
 	if m.InitialCorruptCheck {
-		dAtA[i] = 0x70
+		dAtA[i] = 0xe0
+		i++
+		dAtA[i] = 0x2
 		i++
 		if m.InitialCorruptCheck {
 			dAtA[i] = 1
@@ -1023,53 +1061,59 @@ func (m *Etcd) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovRpc(uint64(l))
 	}
+	if m.HeartbeatIntervalMs != 0 {
+		n += 1 + sovRpc(uint64(m.HeartbeatIntervalMs))
+	}
+	if m.ElectionTimeoutMs != 0 {
+		n += 1 + sovRpc(uint64(m.ElectionTimeoutMs))
+	}
 	if len(m.ListenClientURLs) > 0 {
 		for _, s := range m.ListenClientURLs {
 			l = len(s)
-			n += 1 + l + sovRpc(uint64(l))
+			n += 2 + l + sovRpc(uint64(l))
 		}
 	}
 	if len(m.AdvertiseClientURLs) > 0 {
 		for _, s := range m.AdvertiseClientURLs {
 			l = len(s)
-			n += 1 + l + sovRpc(uint64(l))
+			n += 2 + l + sovRpc(uint64(l))
 		}
 	}
 	if len(m.ListenPeerURLs) > 0 {
 		for _, s := range m.ListenPeerURLs {
 			l = len(s)
-			n += 1 + l + sovRpc(uint64(l))
+			n += 2 + l + sovRpc(uint64(l))
 		}
 	}
 	if len(m.InitialAdvertisePeerURLs) > 0 {
 		for _, s := range m.InitialAdvertisePeerURLs {
 			l = len(s)
-			n += 1 + l + sovRpc(uint64(l))
+			n += 2 + l + sovRpc(uint64(l))
 		}
 	}
 	l = len(m.InitialCluster)
 	if l > 0 {
-		n += 1 + l + sovRpc(uint64(l))
+		n += 2 + l + sovRpc(uint64(l))
 	}
 	l = len(m.InitialClusterState)
 	if l > 0 {
-		n += 1 + l + sovRpc(uint64(l))
+		n += 2 + l + sovRpc(uint64(l))
 	}
 	l = len(m.InitialClusterToken)
 	if l > 0 {
-		n += 1 + l + sovRpc(uint64(l))
+		n += 2 + l + sovRpc(uint64(l))
 	}
 	if m.SnapshotCount != 0 {
-		n += 1 + sovRpc(uint64(m.SnapshotCount))
+		n += 2 + sovRpc(uint64(m.SnapshotCount))
 	}
 	if m.QuotaBackendBytes != 0 {
-		n += 1 + sovRpc(uint64(m.QuotaBackendBytes))
+		n += 2 + sovRpc(uint64(m.QuotaBackendBytes))
 	}
 	if m.PreVote {
-		n += 2
+		n += 3
 	}
 	if m.InitialCorruptCheck {
-		n += 2
+		n += 3
 	}
 	return n
 }
@@ -1361,7 +1405,45 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.WALDir = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 4:
+		case 11:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field HeartbeatIntervalMs", wireType)
+			}
+			m.HeartbeatIntervalMs = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.HeartbeatIntervalMs |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 12:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ElectionTimeoutMs", wireType)
+			}
+			m.ElectionTimeoutMs = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ElectionTimeoutMs |= (int64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 21:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field ListenClientURLs", wireType)
 			}
@@ -1390,7 +1472,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.ListenClientURLs = append(m.ListenClientURLs, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
-		case 5:
+		case 22:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field AdvertiseClientURLs", wireType)
 			}
@@ -1419,7 +1501,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.AdvertiseClientURLs = append(m.AdvertiseClientURLs, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
-		case 6:
+		case 23:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field ListenPeerURLs", wireType)
 			}
@@ -1448,7 +1530,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.ListenPeerURLs = append(m.ListenPeerURLs, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
-		case 7:
+		case 24:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field InitialAdvertisePeerURLs", wireType)
 			}
@@ -1477,7 +1559,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.InitialAdvertisePeerURLs = append(m.InitialAdvertisePeerURLs, string(dAtA[iNdEx:postIndex]))
 			iNdEx = postIndex
-		case 8:
+		case 31:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field InitialCluster", wireType)
 			}
@@ -1506,7 +1588,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.InitialCluster = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 9:
+		case 32:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field InitialClusterState", wireType)
 			}
@@ -1535,7 +1617,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.InitialClusterState = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 10:
+		case 33:
 			if wireType != 2 {
 				return fmt.Errorf("proto: wrong wireType = %d for field InitialClusterToken", wireType)
 			}
@@ -1564,7 +1646,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 			}
 			m.InitialClusterToken = string(dAtA[iNdEx:postIndex])
 			iNdEx = postIndex
-		case 11:
+		case 41:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field SnapshotCount", wireType)
 			}
@@ -1583,7 +1665,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 12:
+		case 42:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field QuotaBackendBytes", wireType)
 			}
@@ -1602,7 +1684,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
-		case 13:
+		case 43:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field PreVote", wireType)
 			}
@@ -1622,7 +1704,7 @@ func (m *Etcd) Unmarshal(dAtA []byte) error {
 				}
 			}
 			m.PreVote = bool(v != 0)
-		case 14:
+		case 44:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field InitialCorruptCheck", wireType)
 			}
@@ -2864,127 +2946,131 @@ var (
 func init() { proto.RegisterFile("rpcpb/rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
-	// 1946 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x58, 0x6d, 0x77, 0xdb, 0x48,
-	0x15, 0x8e, 0x92, 0x38, 0x4d, 0x26, 0x6f, 0xea, 0xa4, 0x69, 0xd4, 0x97, 0x8d, 0x53, 0x2d, 0x5b,
-	0x42, 0x0e, 0x4a, 0xa1, 0xe5, 0x00, 0xbb, 0xec, 0x52, 0x6c, 0x47, 0x6d, 0x4c, 0x54, 0xdb, 0x1d,
-	0x2b, 0x6d, 0xf9, 0x64, 0x64, 0x79, 0x6c, 0x8b, 0x28, 0x92, 0x2a, 0x8d, 0xb3, 0xf6, 0xfe, 0x01,
-	0x0e, 0xdf, 0xf8, 0xc8, 0x8f, 0x60, 0xbf, 0xf0, 0x2b, 0xba, 0xbb, 0xe5, 0x1c, 0x7e, 0x81, 0x81,
-	0xf2, 0x0f, 0x7c, 0xf8, 0x0e, 0x67, 0x5e, 0x6c, 0x8f, 0xfc, 0xd2, 0xee, 0x37, 0xcf, 0xbd, 0xcf,
-	0xf3, 0xe8, 0xce, 0x9d, 0xb9, 0xf7, 0x4e, 0x02, 0xb6, 0xe3, 0xc8, 0x8d, 0xea, 0x0f, 0xe2, 0xc8,
-	0x3d, 0x8e, 0xe2, 0x90, 0x84, 0x30, 0xc3, 0x0c, 0xb7, 0x8d, 0x96, 0x47, 0xda, 0x9d, 0xfa, 0xb1,
-	0x1b, 0x5e, 0x3e, 0x68, 0x85, 0xad, 0xf0, 0x01, 0xf3, 0xd6, 0x3b, 0x4d, 0xb6, 0x62, 0x0b, 0xf6,
-	0x8b, 0xb3, 0xf4, 0xb7, 0xd7, 0xc0, 0xb2, 0x49, 0xdc, 0x06, 0xfc, 0x18, 0x2c, 0x97, 0x9c, 0x4b,
-	0xac, 0x29, 0x07, 0xca, 0xe1, 0x5a, 0x7e, 0x7b, 0xd0, 0xcf, 0xae, 0xf7, 0x9c, 0x4b, 0xff, 0x33,
-	0x3d, 0x70, 0x2e, 0xb1, 0x8e, 0x98, 0x13, 0x1a, 0xe0, 0xda, 0x89, 0x43, 0x9c, 0x13, 0x2f, 0xd6,
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+	0x8a, 0xfc, 0x7a, 0x11, 0x6e, 0x03, 0x40, 0x61, 0xe5, 0x52, 0xa1, 0x68, 0x55, 0xe4, 0x3f, 0x2c,
+	0xc1, 0x4d, 0xb0, 0x6a, 0xbc, 0xb2, 0x0c, 0x54, 0xcc, 0x9a, 0xf2, 0xbf, 0x97, 0x8e, 0x03, 0x00,
+	0xc6, 0xc3, 0x0f, 0xae, 0x80, 0xc5, 0xf3, 0x17, 0xf2, 0x02, 0x5c, 0x03, 0x19, 0xd3, 0xc8, 0x56,
+	0x0c, 0x59, 0x82, 0x3b, 0x60, 0xdb, 0x30, 0x8d, 0xbc, 0x55, 0x28, 0x15, 0xab, 0xe8, 0xb2, 0x58,
+	0x64, 0x97, 0x40, 0x06, 0x1b, 0x2f, 0xb3, 0x56, 0xfe, 0x6c, 0x68, 0x59, 0xa2, 0x97, 0xcd, 0x2c,
+	0xe5, 0xcf, 0xab, 0x28, 0x9b, 0x37, 0xd0, 0xd0, 0xbc, 0x4c, 0x81, 0x4c, 0x68, 0x68, 0xc9, 0x3c,
+	0x7a, 0x02, 0xd6, 0xac, 0xc8, 0xf6, 0xe3, 0x30, 0x88, 0x08, 0x7c, 0x94, 0x5c, 0x6c, 0x89, 0xb6,
+	0x27, 0xba, 0xed, 0x9d, 0xed, 0xd1, 0x9a, 0x37, 0x3d, 0x6d, 0xe1, 0x48, 0xfa, 0xa1, 0x94, 0xbb,
+	0xf5, 0xe6, 0x1f, 0x07, 0x0b, 0x6f, 0xde, 0x1e, 0x48, 0x7f, 0x7d, 0x7b, 0x20, 0xfd, 0xfd, 0xed,
+	0x81, 0xf4, 0xc7, 0x7f, 0x1e, 0x2c, 0xd4, 0x56, 0xd8, 0xbf, 0xa9, 0x1e, 0xff, 0x37, 0x00, 0x00,
+	0xff, 0xff, 0x0c, 0xa7, 0x34, 0x49, 0xef, 0x12, 0x00, 0x00,
 }
diff --git a/tools/functional-tester/rpcpb/rpc.proto b/tools/functional-tester/rpcpb/rpc.proto
index c4d81f5fd78..66b35b12720 100644
--- a/tools/functional-tester/rpcpb/rpc.proto
+++ b/tools/functional-tester/rpcpb/rpc.proto
@@ -38,17 +38,28 @@ message Etcd {
   string Name = 1 [(gogoproto.moretags) = "yaml:\"name\""];
   string DataDir = 2 [(gogoproto.moretags) = "yaml:\"data-dir\""];
   string WALDir = 3 [(gogoproto.moretags) = "yaml:\"wal-dir\""];
-  repeated string ListenClientURLs = 4 [(gogoproto.moretags) = "yaml:\"listen-client-urls\""];
-  repeated string AdvertiseClientURLs = 5 [(gogoproto.moretags) = "yaml:\"advertise-client-urls\""];
-  repeated string ListenPeerURLs = 6 [(gogoproto.moretags) = "yaml:\"listen-peer-urls\""];
-  repeated string InitialAdvertisePeerURLs = 7 [(gogoproto.moretags) = "yaml:\"initial-advertise-peer-urls\""];
-  string InitialCluster = 8 [(gogoproto.moretags) = "yaml:\"initial-cluster\""];
-  string InitialClusterState = 9 [(gogoproto.moretags) = "yaml:\"initial-cluster-state\""];
-  string InitialClusterToken = 10 [(gogoproto.moretags) = "yaml:\"initial-cluster-token\""];
-  int64 SnapshotCount = 11 [(gogoproto.moretags) = "yaml:\"snapshot-count\""];
-  int64 QuotaBackendBytes = 12 [(gogoproto.moretags) = "yaml:\"quota-backend-bytes\""];
-  bool PreVote = 13 [(gogoproto.moretags) = "yaml:\"pre-vote\""];
-  bool InitialCorruptCheck = 14 [(gogoproto.moretags) = "yaml:\"initial-corrupt-check\""];
+
+  // HeartbeatIntervalMs is the time (in milliseconds) of a heartbeat interval.
+  // Default value is 100, which is 100ms.
+  int64 HeartbeatIntervalMs = 11 [(gogoproto.moretags) = "yaml:\"heartbeat-interval\""];
+  // ElectionTimeoutMs is the time (in milliseconds) for an election to timeout.
+  // Default value is 1000, which is 1s.
+  int64 ElectionTimeoutMs = 12 [(gogoproto.moretags) = "yaml:\"election-timeout\""];
+
+  repeated string ListenClientURLs = 21 [(gogoproto.moretags) = "yaml:\"listen-client-urls\""];
+  repeated string AdvertiseClientURLs = 22 [(gogoproto.moretags) = "yaml:\"advertise-client-urls\""];
+  repeated string ListenPeerURLs = 23 [(gogoproto.moretags) = "yaml:\"listen-peer-urls\""];
+  repeated string InitialAdvertisePeerURLs = 24 [(gogoproto.moretags) = "yaml:\"initial-advertise-peer-urls\""];
+
+  string InitialCluster = 31 [(gogoproto.moretags) = "yaml:\"initial-cluster\""];
+  string InitialClusterState = 32 [(gogoproto.moretags) = "yaml:\"initial-cluster-state\""];
+  string InitialClusterToken = 33 [(gogoproto.moretags) = "yaml:\"initial-cluster-token\""];
+
+  int64 SnapshotCount = 41 [(gogoproto.moretags) = "yaml:\"snapshot-count\""];
+  int64 QuotaBackendBytes = 42 [(gogoproto.moretags) = "yaml:\"quota-backend-bytes\""];
+
+  bool PreVote = 43 [(gogoproto.moretags) = "yaml:\"pre-vote\""];
+  bool InitialCorruptCheck = 44 [(gogoproto.moretags) = "yaml:\"initial-corrupt-check\""];
 
   // TODO: support TLS
 }

From a831d15751c952ce0c4ed46414e62661340ffa48 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:39:07 -0700
Subject: [PATCH 05/15] functional-tester/tester: configure heartbeat interval,
 election timeout

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/tester/cluster_test.go | 6 ++++++
 tools/functional-tester/tester/local-test.yaml | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/tools/functional-tester/tester/cluster_test.go b/tools/functional-tester/tester/cluster_test.go
index d8d0f8d1e1e..d682db71954 100644
--- a/tools/functional-tester/tester/cluster_test.go
+++ b/tools/functional-tester/tester/cluster_test.go
@@ -41,6 +41,8 @@ func Test_newCluster(t *testing.T) {
 					Name:                     "s1",
 					DataDir:                  "/tmp/etcd-agent-data-1/etcd.data",
 					WALDir:                   "/tmp/etcd-agent-data-1/etcd.data/member/wal",
+					HeartbeatIntervalMs:      100,
+					ElectionTimeoutMs:        1000,
 					ListenClientURLs:         []string{"http://127.0.0.1:1379"},
 					AdvertiseClientURLs:      []string{"http://127.0.0.1:1379"},
 					ListenPeerURLs:           []string{"http://127.0.0.1:1380"},
@@ -68,6 +70,8 @@ func Test_newCluster(t *testing.T) {
 					Name:                     "s2",
 					DataDir:                  "/tmp/etcd-agent-data-2/etcd.data",
 					WALDir:                   "/tmp/etcd-agent-data-2/etcd.data/member/wal",
+					HeartbeatIntervalMs:      100,
+					ElectionTimeoutMs:        1000,
 					ListenClientURLs:         []string{"http://127.0.0.1:2379"},
 					AdvertiseClientURLs:      []string{"http://127.0.0.1:2379"},
 					ListenPeerURLs:           []string{"http://127.0.0.1:2380"},
@@ -95,6 +99,8 @@ func Test_newCluster(t *testing.T) {
 					Name:                     "s3",
 					DataDir:                  "/tmp/etcd-agent-data-3/etcd.data",
 					WALDir:                   "/tmp/etcd-agent-data-3/etcd.data/member/wal",
+					HeartbeatIntervalMs:      100,
+					ElectionTimeoutMs:        1000,
 					ListenClientURLs:         []string{"http://127.0.0.1:3379"},
 					AdvertiseClientURLs:      []string{"http://127.0.0.1:3379"},
 					ListenPeerURLs:           []string{"http://127.0.0.1:3380"},
diff --git a/tools/functional-tester/tester/local-test.yaml b/tools/functional-tester/tester/local-test.yaml
index 381474eb58f..dc2408bf92e 100644
--- a/tools/functional-tester/tester/local-test.yaml
+++ b/tools/functional-tester/tester/local-test.yaml
@@ -12,6 +12,8 @@ agent-configs:
     name: s1
     data-dir: /tmp/etcd-agent-data-1/etcd.data
     wal-dir: /tmp/etcd-agent-data-1/etcd.data/member/wal
+    heartbeat-interval: 100
+    election-timeout: 1000
     listen-client-urls: ["http://127.0.0.1:1379"]
     advertise-client-urls: ["http://127.0.0.1:1379"]
     listen-peer-urls: ["http://127.0.0.1:1380"]
@@ -36,6 +38,8 @@ agent-configs:
     name: s2
     data-dir: /tmp/etcd-agent-data-2/etcd.data
     wal-dir: /tmp/etcd-agent-data-2/etcd.data/member/wal
+    heartbeat-interval: 100
+    election-timeout: 1000
     listen-client-urls: ["http://127.0.0.1:2379"]
     advertise-client-urls: ["http://127.0.0.1:2379"]
     listen-peer-urls: ["http://127.0.0.1:2380"]
@@ -60,6 +64,8 @@ agent-configs:
     name: s3
     data-dir: /tmp/etcd-agent-data-3/etcd.data
     wal-dir: /tmp/etcd-agent-data-3/etcd.data/member/wal
+    heartbeat-interval: 100
+    election-timeout: 1000
     listen-client-urls: ["http://127.0.0.1:3379"]
     advertise-client-urls: ["http://127.0.0.1:3379"]
     listen-peer-urls: ["http://127.0.0.1:3380"]

From 7f812ca8e1bdc44a2ff033347545966f4c88fb5d Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:44:45 -0700
Subject: [PATCH 06/15] pkg/proxy: move from "pkg/transport"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 pkg/{transport => proxy}/fixtures/ca-csr.json |   0
 pkg/{transport => proxy}/fixtures/ca.crt      |   0
 .../fixtures/gencert.json                     |   0
 pkg/{transport => proxy}/fixtures/gencerts.sh |   0
 .../fixtures/server-ca-csr.json               |   0
 pkg/{transport => proxy}/fixtures/server.crt  |   0
 .../fixtures/server.key.insecure              |   0
 pkg/{transport/proxy.go => proxy/server.go}   | 182 +++++++++---------
 .../proxy_test.go => proxy/server_test.go}    | 120 ++++++------
 9 files changed, 153 insertions(+), 149 deletions(-)
 rename pkg/{transport => proxy}/fixtures/ca-csr.json (100%)
 rename pkg/{transport => proxy}/fixtures/ca.crt (100%)
 rename pkg/{transport => proxy}/fixtures/gencert.json (100%)
 rename pkg/{transport => proxy}/fixtures/gencerts.sh (100%)
 rename pkg/{transport => proxy}/fixtures/server-ca-csr.json (100%)
 rename pkg/{transport => proxy}/fixtures/server.crt (100%)
 rename pkg/{transport => proxy}/fixtures/server.key.insecure (100%)
 rename pkg/{transport/proxy.go => proxy/server.go} (83%)
 rename pkg/{transport/proxy_test.go => proxy/server_test.go} (76%)

diff --git a/pkg/transport/fixtures/ca-csr.json b/pkg/proxy/fixtures/ca-csr.json
similarity index 100%
rename from pkg/transport/fixtures/ca-csr.json
rename to pkg/proxy/fixtures/ca-csr.json
diff --git a/pkg/transport/fixtures/ca.crt b/pkg/proxy/fixtures/ca.crt
similarity index 100%
rename from pkg/transport/fixtures/ca.crt
rename to pkg/proxy/fixtures/ca.crt
diff --git a/pkg/transport/fixtures/gencert.json b/pkg/proxy/fixtures/gencert.json
similarity index 100%
rename from pkg/transport/fixtures/gencert.json
rename to pkg/proxy/fixtures/gencert.json
diff --git a/pkg/transport/fixtures/gencerts.sh b/pkg/proxy/fixtures/gencerts.sh
similarity index 100%
rename from pkg/transport/fixtures/gencerts.sh
rename to pkg/proxy/fixtures/gencerts.sh
diff --git a/pkg/transport/fixtures/server-ca-csr.json b/pkg/proxy/fixtures/server-ca-csr.json
similarity index 100%
rename from pkg/transport/fixtures/server-ca-csr.json
rename to pkg/proxy/fixtures/server-ca-csr.json
diff --git a/pkg/transport/fixtures/server.crt b/pkg/proxy/fixtures/server.crt
similarity index 100%
rename from pkg/transport/fixtures/server.crt
rename to pkg/proxy/fixtures/server.crt
diff --git a/pkg/transport/fixtures/server.key.insecure b/pkg/proxy/fixtures/server.key.insecure
similarity index 100%
rename from pkg/transport/fixtures/server.key.insecure
rename to pkg/proxy/fixtures/server.key.insecure
diff --git a/pkg/transport/proxy.go b/pkg/proxy/server.go
similarity index 83%
rename from pkg/transport/proxy.go
rename to pkg/proxy/server.go
index 874397e10d9..311af966f22 100644
--- a/pkg/transport/proxy.go
+++ b/pkg/proxy/server.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package transport
+package proxy
 
 import (
 	"fmt"
@@ -25,13 +25,15 @@ import (
 	"sync"
 	"time"
 
+	"github.com/coreos/etcd/pkg/transport"
+
 	humanize "github.com/dustin/go-humanize"
 	"go.uber.org/zap"
 )
 
-// Proxy defines proxy layer that simulates common network faults,
+// Server defines proxy server layer that simulates common network faults,
 // such as latency spikes, packet drop/corruption, etc..
-type Proxy interface {
+type Server interface {
 	// From returns proxy source address in "scheme://host:port" format.
 	From() string
 	// To returns proxy destination address in "scheme://host:port" format.
@@ -100,11 +102,11 @@ type Proxy interface {
 	ResetListener() error
 }
 
-type proxy struct {
-	logger *zap.Logger
+type proxyServer struct {
+	lg *zap.Logger
 
 	from, to      url.URL
-	tlsInfo       TLSInfo
+	tlsInfo       transport.TLSInfo
 	dialTimeout   time.Duration
 	bufferSize    int
 	retryInterval time.Duration
@@ -141,12 +143,12 @@ type proxy struct {
 	blackholeRxc chan struct{}
 }
 
-// ProxyConfig defines proxy configuration.
-type ProxyConfig struct {
+// ServerConfig defines proxy server configuration.
+type ServerConfig struct {
 	Logger        *zap.Logger
 	From          url.URL
 	To            url.URL
-	TLSInfo       TLSInfo
+	TLSInfo       transport.TLSInfo
 	DialTimeout   time.Duration
 	BufferSize    int
 	RetryInterval time.Duration
@@ -167,11 +169,11 @@ func init() {
 	}
 }
 
-// NewProxy returns a proxy implementation with no iptables/tc dependencies.
+// NewServer returns a proxy implementation with no iptables/tc dependencies.
 // The proxy layer overhead is <1ms.
-func NewProxy(cfg ProxyConfig) Proxy {
-	p := &proxy{
-		logger: cfg.Logger,
+func NewServer(cfg ServerConfig) Server {
+	p := &proxyServer{
+		lg: cfg.Logger,
 
 		from:          cfg.From,
 		to:            cfg.To,
@@ -199,8 +201,8 @@ func NewProxy(cfg ProxyConfig) Proxy {
 	if p.retryInterval == 0 {
 		p.retryInterval = defaultRetryInterval
 	}
-	if p.logger == nil {
-		p.logger = defaultLogger
+	if p.lg == nil {
+		p.lg = defaultLogger
 	}
 	close(p.pauseAcceptc)
 	close(p.pauseTxc)
@@ -216,7 +218,7 @@ func NewProxy(cfg ProxyConfig) Proxy {
 	var ln net.Listener
 	var err error
 	if !p.tlsInfo.Empty() {
-		ln, err = NewListener(p.from.Host, p.from.Scheme, &p.tlsInfo)
+		ln, err = transport.NewListener(p.from.Host, p.from.Scheme, &p.tlsInfo)
 	} else {
 		ln, err = net.Listen(p.from.Scheme, p.from.Host)
 	}
@@ -230,15 +232,15 @@ func NewProxy(cfg ProxyConfig) Proxy {
 	p.closeWg.Add(1)
 	go p.listenAndServe()
 
-	p.logger.Info("started proxying", zap.String("from", p.From()), zap.String("to", p.To()))
+	p.lg.Info("started proxying", zap.String("from", p.From()), zap.String("to", p.To()))
 	return p
 }
 
-func (p *proxy) From() string {
+func (p *proxyServer) From() string {
 	return fmt.Sprintf("%s://%s", p.from.Scheme, p.from.Host)
 }
 
-func (p *proxy) To() string {
+func (p *proxyServer) To() string {
 	return fmt.Sprintf("%s://%s", p.to.Scheme, p.to.Host)
 }
 
@@ -247,10 +249,10 @@ func (p *proxy) To() string {
 // - https://github.com/coreos/etcd/issues/5614
 // - https://github.com/coreos/etcd/pull/6918#issuecomment-264093034
 
-func (p *proxy) listenAndServe() {
+func (p *proxyServer) listenAndServe() {
 	defer p.closeWg.Done()
 
-	p.logger.Info("proxy is listening on", zap.String("from", p.From()))
+	p.lg.Info("proxy is listening on", zap.String("from", p.From()))
 	close(p.readyc)
 
 	for {
@@ -290,7 +292,7 @@ func (p *proxy) listenAndServe() {
 			case <-p.donec:
 				return
 			}
-			p.logger.Debug("listener accept error", zap.Error(err))
+			p.lg.Debug("listener accept error", zap.Error(err))
 
 			if strings.HasSuffix(err.Error(), "use of closed network connection") {
 				select {
@@ -298,7 +300,7 @@ func (p *proxy) listenAndServe() {
 				case <-p.donec:
 					return
 				}
-				p.logger.Debug("listener is closed; retry listening on", zap.String("from", p.From()))
+				p.lg.Debug("listener is closed; retry listening on", zap.String("from", p.From()))
 
 				if err = p.ResetListener(); err != nil {
 					select {
@@ -311,7 +313,7 @@ func (p *proxy) listenAndServe() {
 					case <-p.donec:
 						return
 					}
-					p.logger.Warn("failed to reset listener", zap.Error(err))
+					p.lg.Warn("failed to reset listener", zap.Error(err))
 				}
 			}
 
@@ -321,7 +323,7 @@ func (p *proxy) listenAndServe() {
 		var out net.Conn
 		if !p.tlsInfo.Empty() {
 			var tp *http.Transport
-			tp, err = NewTransport(p.tlsInfo, p.dialTimeout)
+			tp, err = transport.NewTransport(p.tlsInfo, p.dialTimeout)
 			if err != nil {
 				select {
 				case p.errc <- err:
@@ -350,7 +352,7 @@ func (p *proxy) listenAndServe() {
 			case <-p.donec:
 				return
 			}
-			p.logger.Debug("failed to dial", zap.Error(err))
+			p.lg.Debug("failed to dial", zap.Error(err))
 			continue
 		}
 
@@ -369,9 +371,9 @@ func (p *proxy) listenAndServe() {
 	}
 }
 
-func (p *proxy) transmit(dst io.Writer, src io.Reader) { p.ioCopy(dst, src, true) }
-func (p *proxy) receive(dst io.Writer, src io.Reader)  { p.ioCopy(dst, src, false) }
-func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
+func (p *proxyServer) transmit(dst io.Writer, src io.Reader) { p.ioCopy(dst, src, true) }
+func (p *proxyServer) receive(dst io.Writer, src io.Reader)  { p.ioCopy(dst, src, false) }
+func (p *proxyServer) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 	buf := make([]byte, p.bufferSize)
 	for {
 		nr, err := src.Read(buf)
@@ -396,7 +398,7 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 			case <-p.donec:
 				return
 			}
-			p.logger.Debug("failed to read", zap.Error(err))
+			p.lg.Debug("failed to read", zap.Error(err))
 			return
 		}
 		if nr == 0 {
@@ -432,14 +434,14 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 		}
 		if blackholed {
 			if proxySend {
-				p.logger.Debug(
+				p.lg.Debug(
 					"dropped",
 					zap.String("data-size", humanize.Bytes(uint64(nr))),
 					zap.String("from", p.From()),
 					zap.String("to", p.To()),
 				)
 			} else {
-				p.logger.Debug(
+				p.lg.Debug(
 					"dropped",
 					zap.String("data-size", humanize.Bytes(uint64(nr))),
 					zap.String("from", p.To()),
@@ -498,9 +500,9 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 				return
 			}
 			if proxySend {
-				p.logger.Debug("failed to write while sending", zap.Error(err))
+				p.lg.Debug("failed to write while sending", zap.Error(err))
 			} else {
-				p.logger.Debug("failed to write while receiving", zap.Error(err))
+				p.lg.Debug("failed to write while receiving", zap.Error(err))
 			}
 			return
 		}
@@ -517,14 +519,14 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 				return
 			}
 			if proxySend {
-				p.logger.Debug(
+				p.lg.Debug(
 					"failed to write while sending; read/write bytes are different",
 					zap.Int("read-bytes", nr),
 					zap.Int("write-bytes", nw),
 					zap.Error(io.ErrShortWrite),
 				)
 			} else {
-				p.logger.Debug(
+				p.lg.Debug(
 					"failed to write while receiving; read/write bytes are different",
 					zap.Int("read-bytes", nr),
 					zap.Int("write-bytes", nw),
@@ -535,14 +537,14 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 		}
 
 		if proxySend {
-			p.logger.Debug(
+			p.lg.Debug(
 				"transmitted",
 				zap.String("data-size", humanize.Bytes(uint64(nr))),
 				zap.String("from", p.From()),
 				zap.String("to", p.To()),
 			)
 		} else {
-			p.logger.Debug(
+			p.lg.Debug(
 				"received",
 				zap.String("data-size", humanize.Bytes(uint64(nr))),
 				zap.String("from", p.To()),
@@ -553,29 +555,29 @@ func (p *proxy) ioCopy(dst io.Writer, src io.Reader, proxySend bool) {
 	}
 }
 
-func (p *proxy) Ready() <-chan struct{} { return p.readyc }
-func (p *proxy) Done() <-chan struct{}  { return p.donec }
-func (p *proxy) Error() <-chan error    { return p.errc }
-func (p *proxy) Close() (err error) {
+func (p *proxyServer) Ready() <-chan struct{} { return p.readyc }
+func (p *proxyServer) Done() <-chan struct{}  { return p.donec }
+func (p *proxyServer) Error() <-chan error    { return p.errc }
+func (p *proxyServer) Close() (err error) {
 	p.closeOnce.Do(func() {
 		close(p.donec)
 		p.listenerMu.Lock()
 		if p.listener != nil {
 			err = p.listener.Close()
-			p.logger.Info(
+			p.lg.Info(
 				"closed proxy listener",
 				zap.String("from", p.From()),
 				zap.String("to", p.To()),
 			)
 		}
-		p.logger.Sync()
+		p.lg.Sync()
 		p.listenerMu.Unlock()
 	})
 	p.closeWg.Wait()
 	return err
 }
 
-func (p *proxy) DelayAccept(latency, rv time.Duration) {
+func (p *proxyServer) DelayAccept(latency, rv time.Duration) {
 	if latency <= 0 {
 		return
 	}
@@ -584,7 +586,7 @@ func (p *proxy) DelayAccept(latency, rv time.Duration) {
 	p.latencyAccept = d
 	p.latencyAcceptMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"set accept latency",
 		zap.Duration("latency", d),
 		zap.Duration("given-latency", latency),
@@ -594,13 +596,13 @@ func (p *proxy) DelayAccept(latency, rv time.Duration) {
 	)
 }
 
-func (p *proxy) UndelayAccept() {
+func (p *proxyServer) UndelayAccept() {
 	p.latencyAcceptMu.Lock()
 	d := p.latencyAccept
 	p.latencyAccept = 0
 	p.latencyAcceptMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"removed accept latency",
 		zap.Duration("latency", d),
 		zap.String("from", p.From()),
@@ -608,14 +610,14 @@ func (p *proxy) UndelayAccept() {
 	)
 }
 
-func (p *proxy) LatencyAccept() time.Duration {
+func (p *proxyServer) LatencyAccept() time.Duration {
 	p.latencyAcceptMu.RLock()
 	d := p.latencyAccept
 	p.latencyAcceptMu.RUnlock()
 	return d
 }
 
-func (p *proxy) DelayTx(latency, rv time.Duration) {
+func (p *proxyServer) DelayTx(latency, rv time.Duration) {
 	if latency <= 0 {
 		return
 	}
@@ -624,7 +626,7 @@ func (p *proxy) DelayTx(latency, rv time.Duration) {
 	p.latencyTx = d
 	p.latencyTxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"set transmit latency",
 		zap.Duration("latency", d),
 		zap.Duration("given-latency", latency),
@@ -634,13 +636,13 @@ func (p *proxy) DelayTx(latency, rv time.Duration) {
 	)
 }
 
-func (p *proxy) UndelayTx() {
+func (p *proxyServer) UndelayTx() {
 	p.latencyTxMu.Lock()
 	d := p.latencyTx
 	p.latencyTx = 0
 	p.latencyTxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"removed transmit latency",
 		zap.Duration("latency", d),
 		zap.String("from", p.From()),
@@ -648,14 +650,14 @@ func (p *proxy) UndelayTx() {
 	)
 }
 
-func (p *proxy) LatencyTx() time.Duration {
+func (p *proxyServer) LatencyTx() time.Duration {
 	p.latencyTxMu.RLock()
 	d := p.latencyTx
 	p.latencyTxMu.RUnlock()
 	return d
 }
 
-func (p *proxy) DelayRx(latency, rv time.Duration) {
+func (p *proxyServer) DelayRx(latency, rv time.Duration) {
 	if latency <= 0 {
 		return
 	}
@@ -664,7 +666,7 @@ func (p *proxy) DelayRx(latency, rv time.Duration) {
 	p.latencyRx = d
 	p.latencyRxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"set receive latency",
 		zap.Duration("latency", d),
 		zap.Duration("given-latency", latency),
@@ -674,13 +676,13 @@ func (p *proxy) DelayRx(latency, rv time.Duration) {
 	)
 }
 
-func (p *proxy) UndelayRx() {
+func (p *proxyServer) UndelayRx() {
 	p.latencyRxMu.Lock()
 	d := p.latencyRx
 	p.latencyRx = 0
 	p.latencyRxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"removed receive latency",
 		zap.Duration("latency", d),
 		zap.String("from", p.To()),
@@ -688,7 +690,7 @@ func (p *proxy) UndelayRx() {
 	)
 }
 
-func (p *proxy) LatencyRx() time.Duration {
+func (p *proxyServer) LatencyRx() time.Duration {
 	p.latencyRxMu.RLock()
 	d := p.latencyRx
 	p.latencyRxMu.RUnlock()
@@ -714,19 +716,19 @@ func computeLatency(lat, rv time.Duration) time.Duration {
 	return lat + time.Duration(int64(sign)*mrand.Int63n(rv.Nanoseconds()))
 }
 
-func (p *proxy) PauseAccept() {
+func (p *proxyServer) PauseAccept() {
 	p.acceptMu.Lock()
 	p.pauseAcceptc = make(chan struct{})
 	p.acceptMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"paused accepting new connections",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) UnpauseAccept() {
+func (p *proxyServer) UnpauseAccept() {
 	p.acceptMu.Lock()
 	select {
 	case <-p.pauseAcceptc: // already unpaused
@@ -738,26 +740,26 @@ func (p *proxy) UnpauseAccept() {
 	}
 	p.acceptMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"unpaused accepting new connections",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) PauseTx() {
+func (p *proxyServer) PauseTx() {
 	p.txMu.Lock()
 	p.pauseTxc = make(chan struct{})
 	p.txMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"paused transmit listen",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) UnpauseTx() {
+func (p *proxyServer) UnpauseTx() {
 	p.txMu.Lock()
 	select {
 	case <-p.pauseTxc: // already unpaused
@@ -769,26 +771,26 @@ func (p *proxy) UnpauseTx() {
 	}
 	p.txMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"unpaused transmit listen",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) PauseRx() {
+func (p *proxyServer) PauseRx() {
 	p.rxMu.Lock()
 	p.pauseRxc = make(chan struct{})
 	p.rxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"paused receive listen",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) UnpauseRx() {
+func (p *proxyServer) UnpauseRx() {
 	p.rxMu.Lock()
 	select {
 	case <-p.pauseRxc: // already unpaused
@@ -800,14 +802,14 @@ func (p *proxy) UnpauseRx() {
 	}
 	p.rxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"unpaused receive listen",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) BlackholeTx() {
+func (p *proxyServer) BlackholeTx() {
 	p.txMu.Lock()
 	select {
 	case <-p.blackholeTxc: // already blackholed
@@ -819,26 +821,26 @@ func (p *proxy) BlackholeTx() {
 	}
 	p.txMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"blackholed transmit",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) UnblackholeTx() {
+func (p *proxyServer) UnblackholeTx() {
 	p.txMu.Lock()
 	p.blackholeTxc = make(chan struct{})
 	p.txMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"unblackholed transmit",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) BlackholeRx() {
+func (p *proxyServer) BlackholeRx() {
 	p.rxMu.Lock()
 	select {
 	case <-p.blackholeRxc: // already blackholed
@@ -850,73 +852,73 @@ func (p *proxy) BlackholeRx() {
 	}
 	p.rxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"blackholed receive",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) UnblackholeRx() {
+func (p *proxyServer) UnblackholeRx() {
 	p.rxMu.Lock()
 	p.blackholeRxc = make(chan struct{})
 	p.rxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"unblackholed receive",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) CorruptTx(f func([]byte) []byte) {
+func (p *proxyServer) CorruptTx(f func([]byte) []byte) {
 	p.corruptTxMu.Lock()
 	p.corruptTx = f
 	p.corruptTxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"corrupting transmit",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) UncorruptTx() {
+func (p *proxyServer) UncorruptTx() {
 	p.corruptTxMu.Lock()
 	p.corruptTx = nil
 	p.corruptTxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"stopped corrupting transmit",
 		zap.String("from", p.From()),
 		zap.String("to", p.To()),
 	)
 }
 
-func (p *proxy) CorruptRx(f func([]byte) []byte) {
+func (p *proxyServer) CorruptRx(f func([]byte) []byte) {
 	p.corruptRxMu.Lock()
 	p.corruptRx = f
 	p.corruptRxMu.Unlock()
-	p.logger.Info(
+	p.lg.Info(
 		"corrupting receive",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) UncorruptRx() {
+func (p *proxyServer) UncorruptRx() {
 	p.corruptRxMu.Lock()
 	p.corruptRx = nil
 	p.corruptRxMu.Unlock()
 
-	p.logger.Info(
+	p.lg.Info(
 		"stopped corrupting receive",
 		zap.String("from", p.To()),
 		zap.String("to", p.From()),
 	)
 }
 
-func (p *proxy) ResetListener() error {
+func (p *proxyServer) ResetListener() error {
 	p.listenerMu.Lock()
 	defer p.listenerMu.Unlock()
 
@@ -930,7 +932,7 @@ func (p *proxy) ResetListener() error {
 	var ln net.Listener
 	var err error
 	if !p.tlsInfo.Empty() {
-		ln, err = NewListener(p.from.Host, p.from.Scheme, &p.tlsInfo)
+		ln, err = transport.NewListener(p.from.Host, p.from.Scheme, &p.tlsInfo)
 	} else {
 		ln, err = net.Listen(p.from.Scheme, p.from.Host)
 	}
@@ -939,7 +941,7 @@ func (p *proxy) ResetListener() error {
 	}
 	p.listener = ln
 
-	p.logger.Info(
+	p.lg.Info(
 		"reset listener on",
 		zap.String("from", p.From()),
 	)
diff --git a/pkg/transport/proxy_test.go b/pkg/proxy/server_test.go
similarity index 76%
rename from pkg/transport/proxy_test.go
rename to pkg/proxy/server_test.go
index 12ae0f6b566..27e2784af17 100644
--- a/pkg/transport/proxy_test.go
+++ b/pkg/proxy/server_test.go
@@ -12,7 +12,7 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-package transport
+package proxy
 
 import (
 	"bytes"
@@ -28,31 +28,33 @@ import (
 	"testing"
 	"time"
 
+	"github.com/coreos/etcd/pkg/transport"
+
 	"go.uber.org/zap"
 )
 
 // enable DebugLevel
 var testLogger = zap.NewExample()
 
-var testTLSInfo = TLSInfo{
+var testTLSInfo = transport.TLSInfo{
 	KeyFile:        "./fixtures/server.key.insecure",
 	CertFile:       "./fixtures/server.crt",
 	TrustedCAFile:  "./fixtures/ca.crt",
 	ClientCertAuth: true,
 }
 
-func TestProxy_Unix_Insecure(t *testing.T)         { testProxy(t, "unix", false, false) }
-func TestProxy_TCP_Insecure(t *testing.T)          { testProxy(t, "tcp", false, false) }
-func TestProxy_Unix_Secure(t *testing.T)           { testProxy(t, "unix", true, false) }
-func TestProxy_TCP_Secure(t *testing.T)            { testProxy(t, "tcp", true, false) }
-func TestProxy_Unix_Insecure_DelayTx(t *testing.T) { testProxy(t, "unix", false, true) }
-func TestProxy_TCP_Insecure_DelayTx(t *testing.T)  { testProxy(t, "tcp", false, true) }
-func TestProxy_Unix_Secure_DelayTx(t *testing.T)   { testProxy(t, "unix", true, true) }
-func TestProxy_TCP_Secure_DelayTx(t *testing.T)    { testProxy(t, "tcp", true, true) }
-func testProxy(t *testing.T, scheme string, secure bool, delayTx bool) {
+func TestServer_Unix_Insecure(t *testing.T)         { testServer(t, "unix", false, false) }
+func TestServer_TCP_Insecure(t *testing.T)          { testServer(t, "tcp", false, false) }
+func TestServer_Unix_Secure(t *testing.T)           { testServer(t, "unix", true, false) }
+func TestServer_TCP_Secure(t *testing.T)            { testServer(t, "tcp", true, false) }
+func TestServer_Unix_Insecure_DelayTx(t *testing.T) { testServer(t, "unix", false, true) }
+func TestServer_TCP_Insecure_DelayTx(t *testing.T)  { testServer(t, "tcp", false, true) }
+func TestServer_Unix_Secure_DelayTx(t *testing.T)   { testServer(t, "unix", true, true) }
+func TestServer_TCP_Secure_DelayTx(t *testing.T)    { testServer(t, "tcp", true, true) }
+func testServer(t *testing.T, scheme string, secure bool, delayTx bool) {
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	if scheme == "tcp" {
-		ln1, ln2 := listen(t, "tcp", "localhost:0", TLSInfo{}), listen(t, "tcp", "localhost:0", TLSInfo{})
+		ln1, ln2 := listen(t, "tcp", "localhost:0", transport.TLSInfo{}), listen(t, "tcp", "localhost:0", transport.TLSInfo{})
 		srcAddr, dstAddr = ln1.Addr().String(), ln2.Addr().String()
 		ln1.Close()
 		ln2.Close()
@@ -64,12 +66,12 @@ func testProxy(t *testing.T, scheme string, secure bool, delayTx bool) {
 	}
 	tlsInfo := testTLSInfo
 	if !secure {
-		tlsInfo = TLSInfo{}
+		tlsInfo = transport.TLSInfo{}
 	}
 	ln := listen(t, scheme, dstAddr, tlsInfo)
 	defer ln.Close()
 
-	cfg := ProxyConfig{
+	cfg := ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -77,7 +79,7 @@ func testProxy(t *testing.T, scheme string, secure bool, delayTx bool) {
 	if secure {
 		cfg.TLSInfo = testTLSInfo
 	}
-	p := NewProxy(cfg)
+	p := NewServer(cfg)
 	<-p.Ready()
 	defer p.Close()
 
@@ -162,9 +164,9 @@ func testProxy(t *testing.T, scheme string, secure bool, delayTx bool) {
 	}
 }
 
-func TestProxy_Unix_Insecure_DelayAccept(t *testing.T) { testProxyDelayAccept(t, false) }
-func TestProxy_Unix_Secure_DelayAccept(t *testing.T)   { testProxyDelayAccept(t, true) }
-func testProxyDelayAccept(t *testing.T, secure bool) {
+func TestServer_Unix_Insecure_DelayAccept(t *testing.T) { testServerDelayAccept(t, false) }
+func TestServer_Unix_Secure_DelayAccept(t *testing.T)   { testServerDelayAccept(t, true) }
+func testServerDelayAccept(t *testing.T, secure bool) {
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
 		os.RemoveAll(srcAddr)
@@ -172,13 +174,13 @@ func testProxyDelayAccept(t *testing.T, secure bool) {
 	}()
 	tlsInfo := testTLSInfo
 	if !secure {
-		tlsInfo = TLSInfo{}
+		tlsInfo = transport.TLSInfo{}
 	}
 	scheme := "unix"
 	ln := listen(t, scheme, dstAddr, tlsInfo)
 	defer ln.Close()
 
-	cfg := ProxyConfig{
+	cfg := ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -186,7 +188,7 @@ func testProxyDelayAccept(t *testing.T, secure bool) {
 	if secure {
 		cfg.TLSInfo = testTLSInfo
 	}
-	p := NewProxy(cfg)
+	p := NewServer(cfg)
 	<-p.Ready()
 	defer p.Close()
 
@@ -221,17 +223,17 @@ func testProxyDelayAccept(t *testing.T, secure bool) {
 	}
 }
 
-func TestProxy_PauseTx(t *testing.T) {
+func TestServer_PauseTx(t *testing.T) {
 	scheme := "unix"
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
 		os.RemoveAll(srcAddr)
 		os.RemoveAll(dstAddr)
 	}()
-	ln := listen(t, scheme, dstAddr, TLSInfo{})
+	ln := listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
-	p := NewProxy(ProxyConfig{
+	p := NewServer(ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -242,7 +244,7 @@ func TestProxy_PauseTx(t *testing.T) {
 	p.PauseTx()
 
 	data := []byte("Hello World!")
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 
 	recvc := make(chan []byte)
 	go func() {
@@ -267,17 +269,17 @@ func TestProxy_PauseTx(t *testing.T) {
 	}
 }
 
-func TestProxy_BlackholeTx(t *testing.T) {
+func TestServer_BlackholeTx(t *testing.T) {
 	scheme := "unix"
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
 		os.RemoveAll(srcAddr)
 		os.RemoveAll(dstAddr)
 	}()
-	ln := listen(t, scheme, dstAddr, TLSInfo{})
+	ln := listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
-	p := NewProxy(ProxyConfig{
+	p := NewServer(ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -288,7 +290,7 @@ func TestProxy_BlackholeTx(t *testing.T) {
 	p.BlackholeTx()
 
 	data := []byte("Hello World!")
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 
 	recvc := make(chan []byte)
 	go func() {
@@ -305,7 +307,7 @@ func TestProxy_BlackholeTx(t *testing.T) {
 
 	// expect different data, old data dropped
 	data[0]++
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 
 	select {
 	case d := <-recvc:
@@ -317,17 +319,17 @@ func TestProxy_BlackholeTx(t *testing.T) {
 	}
 }
 
-func TestProxy_CorruptTx(t *testing.T) {
+func TestServer_CorruptTx(t *testing.T) {
 	scheme := "unix"
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
 		os.RemoveAll(srcAddr)
 		os.RemoveAll(dstAddr)
 	}()
-	ln := listen(t, scheme, dstAddr, TLSInfo{})
+	ln := listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
-	p := NewProxy(ProxyConfig{
+	p := NewServer(ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -340,29 +342,29 @@ func TestProxy_CorruptTx(t *testing.T) {
 		return d
 	})
 	data := []byte("Hello World!")
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 	if d := receive(t, ln); bytes.Equal(d, data) {
 		t.Fatalf("expected corrupted data, got %q", string(d))
 	}
 
 	p.UncorruptTx()
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 	if d := receive(t, ln); !bytes.Equal(d, data) {
 		t.Fatalf("expected uncorrupted data, got %q", string(d))
 	}
 }
 
-func TestProxy_Shutdown(t *testing.T) {
+func TestServer_Shutdown(t *testing.T) {
 	scheme := "unix"
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
 		os.RemoveAll(srcAddr)
 		os.RemoveAll(dstAddr)
 	}()
-	ln := listen(t, scheme, dstAddr, TLSInfo{})
+	ln := listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
-	p := NewProxy(ProxyConfig{
+	p := NewServer(ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -370,18 +372,18 @@ func TestProxy_Shutdown(t *testing.T) {
 	<-p.Ready()
 	defer p.Close()
 
-	px, _ := p.(*proxy)
+	px, _ := p.(*proxyServer)
 	px.listener.Close()
 	time.Sleep(200 * time.Millisecond)
 
 	data := []byte("Hello World!")
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 	if d := receive(t, ln); !bytes.Equal(d, data) {
 		t.Fatalf("expected %q, got %q", string(data), string(d))
 	}
 }
 
-func TestProxy_ShutdownListener(t *testing.T) {
+func TestServer_ShutdownListener(t *testing.T) {
 	scheme := "unix"
 	srcAddr, dstAddr := newUnixAddr(), newUnixAddr()
 	defer func() {
@@ -389,10 +391,10 @@ func TestProxy_ShutdownListener(t *testing.T) {
 		os.RemoveAll(dstAddr)
 	}()
 
-	ln := listen(t, scheme, dstAddr, TLSInfo{})
+	ln := listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
-	p := NewProxy(ProxyConfig{
+	p := NewServer(ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -404,23 +406,23 @@ func TestProxy_ShutdownListener(t *testing.T) {
 	ln.Close()
 	time.Sleep(200 * time.Millisecond)
 
-	ln = listen(t, scheme, dstAddr, TLSInfo{})
+	ln = listen(t, scheme, dstAddr, transport.TLSInfo{})
 	defer ln.Close()
 
 	data := []byte("Hello World!")
-	send(t, data, scheme, srcAddr, TLSInfo{})
+	send(t, data, scheme, srcAddr, transport.TLSInfo{})
 	if d := receive(t, ln); !bytes.Equal(d, data) {
 		t.Fatalf("expected %q, got %q", string(data), string(d))
 	}
 }
 
-func TestProxyHTTP_Insecure_DelayTx(t *testing.T) { testProxyHTTP(t, false, true) }
-func TestProxyHTTP_Secure_DelayTx(t *testing.T)   { testProxyHTTP(t, true, true) }
-func TestProxyHTTP_Insecure_DelayRx(t *testing.T) { testProxyHTTP(t, false, false) }
-func TestProxyHTTP_Secure_DelayRx(t *testing.T)   { testProxyHTTP(t, true, false) }
-func testProxyHTTP(t *testing.T, secure, delayTx bool) {
+func TestServerHTTP_Insecure_DelayTx(t *testing.T) { testServerHTTP(t, false, true) }
+func TestServerHTTP_Secure_DelayTx(t *testing.T)   { testServerHTTP(t, true, true) }
+func TestServerHTTP_Insecure_DelayRx(t *testing.T) { testServerHTTP(t, false, false) }
+func TestServerHTTP_Secure_DelayRx(t *testing.T)   { testServerHTTP(t, true, false) }
+func testServerHTTP(t *testing.T, secure, delayTx bool) {
 	scheme := "tcp"
-	ln1, ln2 := listen(t, scheme, "localhost:0", TLSInfo{}), listen(t, scheme, "localhost:0", TLSInfo{})
+	ln1, ln2 := listen(t, scheme, "localhost:0", transport.TLSInfo{}), listen(t, scheme, "localhost:0", transport.TLSInfo{})
 	srcAddr, dstAddr := ln1.Addr().String(), ln2.Addr().String()
 	ln1.Close()
 	ln2.Close()
@@ -464,7 +466,7 @@ func testProxyHTTP(t *testing.T, secure, delayTx bool) {
 	}()
 	time.Sleep(200 * time.Millisecond)
 
-	cfg := ProxyConfig{
+	cfg := ServerConfig{
 		Logger: testLogger,
 		From:   url.URL{Scheme: scheme, Host: srcAddr},
 		To:     url.URL{Scheme: scheme, Host: dstAddr},
@@ -472,7 +474,7 @@ func testProxyHTTP(t *testing.T, secure, delayTx bool) {
 	if secure {
 		cfg.TLSInfo = testTLSInfo
 	}
-	p := NewProxy(cfg)
+	p := NewServer(cfg)
 	<-p.Ready()
 	defer p.Close()
 
@@ -481,7 +483,7 @@ func testProxyHTTP(t *testing.T, secure, delayTx bool) {
 	now := time.Now()
 	var resp *http.Response
 	if secure {
-		tp, terr := NewTransport(testTLSInfo, 3*time.Second)
+		tp, terr := transport.NewTransport(testTLSInfo, 3*time.Second)
 		if terr != nil {
 			t.Fatal(terr)
 		}
@@ -517,7 +519,7 @@ func testProxyHTTP(t *testing.T, secure, delayTx bool) {
 
 	now = time.Now()
 	if secure {
-		tp, terr := NewTransport(testTLSInfo, 3*time.Second)
+		tp, terr := transport.NewTransport(testTLSInfo, 3*time.Second)
 		if terr != nil {
 			t.Fatal(terr)
 		}
@@ -553,10 +555,10 @@ func newUnixAddr() string {
 	return addr
 }
 
-func listen(t *testing.T, scheme, addr string, tlsInfo TLSInfo) (ln net.Listener) {
+func listen(t *testing.T, scheme, addr string, tlsInfo transport.TLSInfo) (ln net.Listener) {
 	var err error
 	if !tlsInfo.Empty() {
-		ln, err = NewListener(addr, scheme, &tlsInfo)
+		ln, err = transport.NewListener(addr, scheme, &tlsInfo)
 	} else {
 		ln, err = net.Listen(scheme, addr)
 	}
@@ -566,11 +568,11 @@ func listen(t *testing.T, scheme, addr string, tlsInfo TLSInfo) (ln net.Listener
 	return ln
 }
 
-func send(t *testing.T, data []byte, scheme, addr string, tlsInfo TLSInfo) {
+func send(t *testing.T, data []byte, scheme, addr string, tlsInfo transport.TLSInfo) {
 	var out net.Conn
 	var err error
 	if !tlsInfo.Empty() {
-		tp, terr := NewTransport(tlsInfo, 3*time.Second)
+		tp, terr := transport.NewTransport(tlsInfo, 3*time.Second)
 		if terr != nil {
 			t.Fatal(terr)
 		}

From 9d3809646a295a419cbe1e631d8a44eb25f71dd3 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:54:53 -0700
Subject: [PATCH 07/15] functional-tester/agent: use "proxy.Server"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/agent/handler.go | 10 +++++-----
 tools/functional-tester/agent/server.go  | 10 +++++-----
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/tools/functional-tester/agent/handler.go b/tools/functional-tester/agent/handler.go
index 936c3bb3a97..f90e3165c26 100644
--- a/tools/functional-tester/agent/handler.go
+++ b/tools/functional-tester/agent/handler.go
@@ -24,7 +24,7 @@ import (
 	"time"
 
 	"github.com/coreos/etcd/pkg/fileutil"
-	"github.com/coreos/etcd/pkg/transport"
+	"github.com/coreos/etcd/pkg/proxy"
 	"github.com/coreos/etcd/tools/functional-tester/rpcpb"
 
 	"go.uber.org/zap"
@@ -119,7 +119,7 @@ func (srv *Server) startProxy() error {
 			return err
 		}
 
-		srv.advertiseClientPortToProxy[advertiseClientURLPort] = transport.NewProxy(transport.ProxyConfig{
+		srv.advertiseClientPortToProxy[advertiseClientURLPort] = proxy.NewServer(proxy.ServerConfig{
 			Logger: srv.lg,
 			From:   *advertiseClientURL,
 			To:     *listenClientURL,
@@ -142,7 +142,7 @@ func (srv *Server) startProxy() error {
 			return err
 		}
 
-		srv.advertisePeerPortToProxy[advertisePeerURLPort] = transport.NewProxy(transport.ProxyConfig{
+		srv.advertisePeerPortToProxy[advertisePeerURLPort] = proxy.NewServer(proxy.ServerConfig{
 			Logger: srv.lg,
 			From:   *advertisePeerURL,
 			To:     *listenPeerURL,
@@ -176,7 +176,7 @@ func (srv *Server) stopProxy() {
 				zap.String("to", px.To()),
 			)
 		}
-		srv.advertiseClientPortToProxy = make(map[int]transport.Proxy)
+		srv.advertiseClientPortToProxy = make(map[int]proxy.Server)
 	}
 	if srv.Member.EtcdPeerProxy && len(srv.advertisePeerPortToProxy) > 0 {
 		for port, px := range srv.advertisePeerPortToProxy {
@@ -196,7 +196,7 @@ func (srv *Server) stopProxy() {
 				zap.String("to", px.To()),
 			)
 		}
-		srv.advertisePeerPortToProxy = make(map[int]transport.Proxy)
+		srv.advertisePeerPortToProxy = make(map[int]proxy.Server)
 	}
 }
 
diff --git a/tools/functional-tester/agent/server.go b/tools/functional-tester/agent/server.go
index d693a961bdf..f020b5ad434 100644
--- a/tools/functional-tester/agent/server.go
+++ b/tools/functional-tester/agent/server.go
@@ -21,7 +21,7 @@ import (
 	"os/exec"
 	"strings"
 
-	"github.com/coreos/etcd/pkg/transport"
+	"github.com/coreos/etcd/pkg/proxy"
 	"github.com/coreos/etcd/tools/functional-tester/rpcpb"
 
 	"go.uber.org/zap"
@@ -50,8 +50,8 @@ type Server struct {
 	etcdLogFile *os.File
 
 	// forward incoming advertise URLs traffic to listen URLs
-	advertiseClientPortToProxy map[int]transport.Proxy
-	advertisePeerPortToProxy   map[int]transport.Proxy
+	advertiseClientPortToProxy map[int]proxy.Server
+	advertisePeerPortToProxy   map[int]proxy.Server
 }
 
 // NewServer returns a new agent server.
@@ -65,8 +65,8 @@ func NewServer(
 		network: network,
 		address: address,
 		last:    rpcpb.Operation_NotStarted,
-		advertiseClientPortToProxy: make(map[int]transport.Proxy),
-		advertisePeerPortToProxy:   make(map[int]transport.Proxy),
+		advertiseClientPortToProxy: make(map[int]proxy.Server),
+		advertisePeerPortToProxy:   make(map[int]proxy.Server),
 	}
 }
 

From 4d1f60bb21cd9130347559ed97359b3661e5c27b Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:55:13 -0700
Subject: [PATCH 08/15] etcd-test-proxy: use "proxy.Server"

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/etcd-test-proxy/main.go | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/etcd-test-proxy/main.go b/tools/etcd-test-proxy/main.go
index 7b08af1194c..61915bfed9e 100644
--- a/tools/etcd-test-proxy/main.go
+++ b/tools/etcd-test-proxy/main.go
@@ -26,7 +26,7 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/coreos/etcd/pkg/transport"
+	"github.com/coreos/etcd/pkg/proxy"
 
 	"go.uber.org/zap"
 )
@@ -69,14 +69,14 @@ $ ETCDCTL_API=3 ./bin/etcdctl --endpoints localhost:23790 put foo bar`)
 
 	flag.Parse()
 
-	cfg := transport.ProxyConfig{
+	cfg := proxy.ServerConfig{
 		From: url.URL{Scheme: "tcp", Host: from},
 		To:   url.URL{Scheme: "tcp", Host: to},
 	}
 	if verbose {
 		cfg.Logger = zap.NewExample()
 	}
-	p := transport.NewProxy(cfg)
+	p := proxy.NewServer(cfg)
 	<-p.Ready()
 	defer p.Close()
 

From 3f7f3ab614501fc376ca05f64a1eaf9882d96254 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 10:58:22 -0700
Subject: [PATCH 09/15] CHANGELOG-3.4: update functional-tester

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 CHANGELOG-3.4.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG-3.4.md b/CHANGELOG-3.4.md
index aab68201fd2..55b318d44e2 100644
--- a/CHANGELOG-3.4.md
+++ b/CHANGELOG-3.4.md
@@ -30,7 +30,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.3.0...v3.4.0) and [
   - Futhermore, when `--auto-compaction-mode=periodic --auto-compaction-retention=30m` and writes per minute are about 1000, `v3.3.0`, `v3.3.1`, and `v3.3.2` compact revision 30000, 33000, and 36000, for every 3-minute, while `v3.3.3` *or later* compacts revision 30000, 60000, and 90000, for every 30-minute.
 - Improve [lease expire/revoke operation performance](https://github.com/coreos/etcd/pull/9418), address [lease scalability issue](https://github.com/coreos/etcd/issues/9496).
 - Make [Lease `Lookup` non-blocking with concurrent `Grant`/`Revoke`](https://github.com/coreos/etcd/pull/9229).
-- Improve functional tester coverage: enable [TLS](https://github.com/coreos/etcd/issues/8943) and add [liveness mode](https://github.com/coreos/etcd/issues/8977).
+- Improve functional tester coverage: use [proxy layer to run network fault tests in CIs](https://github.com/coreos/etcd/pull/9081), enable [TLS](https://github.com/coreos/etcd/issues/8943), add [liveness mode](https://github.com/coreos/etcd/issues/9230), [shuffle test sequence](https://github.com/coreos/etcd/issues/9381).
 
 ### Breaking Changes
 

From e9d5c67b89dbd4069e91a330b5001989bb6bda11 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:07:37 -0700
Subject: [PATCH 10/15] functional-tester/tester: reduce retries in slow
 network

Now configure slow network cases with latency greater than election timeout.

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/tester/failure.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/functional-tester/tester/failure.go b/tools/functional-tester/tester/failure.go
index 30218f38ca4..a1f22ce55a7 100644
--- a/tools/functional-tester/tester/failure.go
+++ b/tools/functional-tester/tester/failure.go
@@ -263,7 +263,7 @@ func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
 	retries := int(snapshotCount) / 1000 * 3
 	if v, ok := slowCases[f.FailureCase()]; v && ok {
 		// slow network takes more retries
-		retries *= 4
+		retries *= 2
 	}
 
 	for i := 0; i < retries; i++ {

From b9aa49be2d25756510fba53d152d7d7fed1ae304 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:12:02 -0700
Subject: [PATCH 11/15] functional-tester/rpcpb: add random delay network
 failure cases

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/rpcpb/rpc.pb.go | 354 +++++++++++++-----------
 tools/functional-tester/rpcpb/rpc.proto |  16 +-
 2 files changed, 199 insertions(+), 171 deletions(-)

diff --git a/tools/functional-tester/rpcpb/rpc.pb.go b/tools/functional-tester/rpcpb/rpc.pb.go
index 9496673f469..735d157b922 100644
--- a/tools/functional-tester/rpcpb/rpc.pb.go
+++ b/tools/functional-tester/rpcpb/rpc.pb.go
@@ -92,24 +92,30 @@ func (Operation) EnumDescriptor() ([]byte, []int) { return fileDescriptorRpc, []
 type FailureCase int32
 
 const (
-	FailureCase_KILL_ONE_FOLLOWER                                             FailureCase = 0
-	FailureCase_KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT                      FailureCase = 1
-	FailureCase_KILL_LEADER                                                   FailureCase = 2
-	FailureCase_KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT                            FailureCase = 3
-	FailureCase_KILL_QUORUM                                                   FailureCase = 4
-	FailureCase_KILL_ALL                                                      FailureCase = 5
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER                        FailureCase = 100
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT FailureCase = 101
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER                              FailureCase = 102
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT       FailureCase = 103
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_QUORUM                              FailureCase = 104
-	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ALL                                 FailureCase = 105
-	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER                            FailureCase = 200
-	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT     FailureCase = 201
-	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER                                  FailureCase = 202
-	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT           FailureCase = 203
-	FailureCase_DELAY_PEER_PORT_TX_RX_QUORUM                                  FailureCase = 204
-	FailureCase_DELAY_PEER_PORT_TX_RX_ALL                                     FailureCase = 205
+	FailureCase_KILL_ONE_FOLLOWER                                                FailureCase = 0
+	FailureCase_KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT                         FailureCase = 1
+	FailureCase_KILL_LEADER                                                      FailureCase = 2
+	FailureCase_KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT                               FailureCase = 3
+	FailureCase_KILL_QUORUM                                                      FailureCase = 4
+	FailureCase_KILL_ALL                                                         FailureCase = 5
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER                           FailureCase = 100
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT    FailureCase = 101
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER                                 FailureCase = 102
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT          FailureCase = 103
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_QUORUM                                 FailureCase = 104
+	FailureCase_BLACKHOLE_PEER_PORT_TX_RX_ALL                                    FailureCase = 105
+	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER                               FailureCase = 200
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER                        FailureCase = 201
+	FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT        FailureCase = 202
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT FailureCase = 203
+	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER                                     FailureCase = 204
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER                              FailureCase = 205
+	FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT              FailureCase = 206
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT       FailureCase = 207
+	FailureCase_DELAY_PEER_PORT_TX_RX_QUORUM                                     FailureCase = 208
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM                              FailureCase = 209
+	FailureCase_DELAY_PEER_PORT_TX_RX_ALL                                        FailureCase = 210
+	FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ALL                                 FailureCase = 211
 	// NO_FAIL_WITH_STRESS runs no-op failure injection for specified period
 	// while stressers are still sending requests.
 	FailureCase_NO_FAIL_WITH_STRESS FailureCase = 300
@@ -134,11 +140,17 @@ var FailureCase_name = map[int32]string{
 	104: "BLACKHOLE_PEER_PORT_TX_RX_QUORUM",
 	105: "BLACKHOLE_PEER_PORT_TX_RX_ALL",
 	200: "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
-	201: "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
-	202: "DELAY_PEER_PORT_TX_RX_LEADER",
-	203: "DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
-	204: "DELAY_PEER_PORT_TX_RX_QUORUM",
-	205: "DELAY_PEER_PORT_TX_RX_ALL",
+	201: "RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
+	202: "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+	203: "RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+	204: "DELAY_PEER_PORT_TX_RX_LEADER",
+	205: "RANDOM_DELAY_PEER_PORT_TX_RX_LEADER",
+	206: "DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+	207: "RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+	208: "DELAY_PEER_PORT_TX_RX_QUORUM",
+	209: "RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM",
+	210: "DELAY_PEER_PORT_TX_RX_ALL",
+	211: "RANDOM_DELAY_PEER_PORT_TX_RX_ALL",
 	300: "NO_FAIL_WITH_STRESS",
 	301: "NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS",
 	400: "FAILPOINTS",
@@ -151,22 +163,28 @@ var FailureCase_value = map[string]int32{
 	"KILL_LEADER_UNTIL_TRIGGER_SNAPSHOT":       3,
 	"KILL_QUORUM":                              4,
 	"KILL_ALL":                                 5,
-	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER":                        100,
-	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT": 101,
-	"BLACKHOLE_PEER_PORT_TX_RX_LEADER":                              102,
-	"BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":       103,
-	"BLACKHOLE_PEER_PORT_TX_RX_QUORUM":                              104,
-	"BLACKHOLE_PEER_PORT_TX_RX_ALL":                                 105,
-	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":                            200,
-	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":     201,
-	"DELAY_PEER_PORT_TX_RX_LEADER":                                  202,
-	"DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":           203,
-	"DELAY_PEER_PORT_TX_RX_QUORUM":                                  204,
-	"DELAY_PEER_PORT_TX_RX_ALL":                                     205,
-	"NO_FAIL_WITH_STRESS":                                           300,
-	"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS":                           301,
-	"FAILPOINTS":                                                    400,
-	"EXTERNAL":                                                      500,
+	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER":                           100,
+	"BLACKHOLE_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":    101,
+	"BLACKHOLE_PEER_PORT_TX_RX_LEADER":                                 102,
+	"BLACKHOLE_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":          103,
+	"BLACKHOLE_PEER_PORT_TX_RX_QUORUM":                                 104,
+	"BLACKHOLE_PEER_PORT_TX_RX_ALL":                                    105,
+	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":                               200,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":                        201,
+	"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":        202,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT": 203,
+	"DELAY_PEER_PORT_TX_RX_LEADER":                                     204,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_LEADER":                              205,
+	"DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":              206,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":       207,
+	"DELAY_PEER_PORT_TX_RX_QUORUM":                                     208,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM":                              209,
+	"DELAY_PEER_PORT_TX_RX_ALL":                                        210,
+	"RANDOM_DELAY_PEER_PORT_TX_RX_ALL":                                 211,
+	"NO_FAIL_WITH_STRESS":                                              300,
+	"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS":                              301,
+	"FAILPOINTS":                                                       400,
+	"EXTERNAL":                                                         500,
 }
 
 func (x FailureCase) String() string {
@@ -2946,131 +2964,135 @@ var (
 func init() { proto.RegisterFile("rpcpb/rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
-	// 2010 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x58, 0xcb, 0x76, 0xdb, 0xc8,
-	0xd1, 0x16, 0x24, 0x51, 0x96, 0x5a, 0x37, 0xb8, 0x65, 0x49, 0xf0, 0x65, 0x04, 0x19, 0xf3, 0x8f,
-	0x7f, 0x8d, 0x32, 0x90, 0x13, 0x3b, 0x27, 0xc9, 0x4c, 0x66, 0xe2, 0x90, 0x14, 0x6c, 0x31, 0x82,
-	0x48, 0xba, 0x09, 0xd9, 0xce, 0x8a, 0x01, 0xc1, 0x26, 0x89, 0x08, 0x04, 0x60, 0xa0, 0xa9, 0x21,
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+	0x9d, 0xca, 0x57, 0x58, 0xee, 0xa8, 0x21, 0x63, 0x9a, 0xf2, 0x3c, 0xdc, 0x07, 0xf7, 0x0e, 0xcd,
+	0x4c, 0xf6, 0xe4, 0xb8, 0x60, 0x1a, 0xe5, 0xa2, 0x61, 0xa0, 0x72, 0xb1, 0x80, 0xac, 0xb2, 0xf5,
+	0xaa, 0x8c, 0x5e, 0xa5, 0x23, 0xae, 0xc2, 0x0c, 0xf8, 0xf4, 0xfd, 0xb0, 0xd3, 0xa2, 0xc1, 0xf0,
+	0xff, 0xc0, 0xee, 0x74, 0x09, 0xb1, 0xb7, 0x1a, 0xfc, 0x29, 0xf8, 0xf1, 0xbb, 0x50, 0xd3, 0x3e,
+	0x51, 0xbf, 0xfc, 0x13, 0x22, 0x0b, 0x0d, 0x78, 0x07, 0x7c, 0x30, 0x1d, 0x45, 0x53, 0xe3, 0xc2,
+	0xff, 0x07, 0xda, 0x91, 0x61, 0x66, 0x7e, 0x71, 0x79, 0x5a, 0xde, 0x48, 0xf0, 0x00, 0xdc, 0x47,
+	0x99, 0xfc, 0x51, 0xe1, 0xb4, 0xfc, 0x1e, 0xf8, 0xaf, 0x24, 0xf8, 0x33, 0xf0, 0xf1, 0xbb, 0x81,
+	0xd3, 0x36, 0xf8, 0xb5, 0x04, 0x0d, 0xf0, 0xd9, 0x7b, 0x7f, 0x6f, 0x9a, 0xcc, 0x37, 0x12, 0xbc,
+	0x03, 0x6e, 0x4f, 0xe6, 0x8b, 0x73, 0xf8, 0x56, 0x82, 0x7b, 0xe0, 0xc3, 0x4b, 0xbf, 0x24, 0x90,
+	0x7f, 0x90, 0xe0, 0x4f, 0xc0, 0xa3, 0xcb, 0x20, 0xd3, 0xc2, 0xf8, 0xa3, 0x04, 0x9f, 0x80, 0xc7,
+	0xef, 0xf1, 0x8d, 0x69, 0x02, 0x7f, 0xba, 0x64, 0x1f, 0xe2, 0xb0, 0xbf, 0x7b, 0xf7, 0x3e, 0x04,
+	0xf2, 0xcf, 0x12, 0xdc, 0x01, 0x37, 0x26, 0x43, 0x68, 0x4d, 0xfc, 0x45, 0x82, 0x77, 0xc1, 0xee,
+	0xa5, 0x4a, 0x14, 0xf6, 0x57, 0x09, 0x2a, 0x60, 0x23, 0x5f, 0x28, 0x3f, 0xcd, 0xe4, 0xcc, 0xf2,
+	0xcb, 0x9c, 0x75, 0x5c, 0x2e, 0x59, 0xc8, 0x28, 0x95, 0xe4, 0xdf, 0xcf, 0xd2, 0x50, 0x52, 0x9e,
+	0x7c, 0x41, 0x38, 0xcb, 0x4f, 0x0b, 0xa8, 0x6c, 0xe6, 0x5e, 0x18, 0x79, 0x8a, 0xfc, 0x72, 0x16,
+	0xae, 0x03, 0x40, 0x61, 0xc5, 0x42, 0x2e, 0x6f, 0x95, 0xe4, 0xdf, 0xce, 0xc1, 0x55, 0xb0, 0x68,
+	0xbc, 0xb2, 0x0c, 0x94, 0xcf, 0x98, 0xf2, 0x7f, 0xe6, 0xf6, 0x03, 0x00, 0x86, 0xef, 0x05, 0xb8,
+	0x00, 0x66, 0x4f, 0x5e, 0xc8, 0x33, 0x70, 0x09, 0xcc, 0x9b, 0x46, 0xa6, 0x64, 0xc8, 0x12, 0xdc,
+	0x00, 0xeb, 0x86, 0x69, 0x64, 0xad, 0x5c, 0x21, 0x5f, 0x46, 0x67, 0xf9, 0x3c, 0xeb, 0x1b, 0x32,
+	0x58, 0x79, 0x99, 0xb1, 0xb2, 0xc7, 0x7d, 0xcb, 0x1c, 0xed, 0x4f, 0x66, 0x21, 0x7b, 0x52, 0x46,
+	0x99, 0xac, 0x81, 0xfa, 0xe6, 0x2b, 0x14, 0xc8, 0x84, 0xfa, 0x96, 0xf9, 0x87, 0x4f, 0xc0, 0x92,
+	0x15, 0xd9, 0x7e, 0x1c, 0x06, 0x11, 0x81, 0x0f, 0x93, 0x8b, 0x35, 0x31, 0x29, 0xc4, 0x80, 0xba,
+	0xb9, 0x3e, 0x58, 0xf3, 0x39, 0xa1, 0xcd, 0xec, 0x49, 0xdf, 0x97, 0x0e, 0xaf, 0xbf, 0xf9, 0xc7,
+	0xce, 0xcc, 0x9b, 0xb7, 0x3b, 0xd2, 0x77, 0x6f, 0x77, 0xa4, 0xbf, 0xbf, 0xdd, 0x91, 0x7e, 0xf7,
+	0xcf, 0x9d, 0x99, 0xca, 0x02, 0xfb, 0xcf, 0xde, 0xa3, 0xff, 0x05, 0x00, 0x00, 0xff, 0xff, 0xde,
+	0x69, 0x01, 0x4d, 0x22, 0x14, 0x00, 0x00,
 }
diff --git a/tools/functional-tester/rpcpb/rpc.proto b/tools/functional-tester/rpcpb/rpc.proto
index 66b35b12720..f611a65ba58 100644
--- a/tools/functional-tester/rpcpb/rpc.proto
+++ b/tools/functional-tester/rpcpb/rpc.proto
@@ -111,11 +111,17 @@ enum FailureCase {
   BLACKHOLE_PEER_PORT_TX_RX_ALL = 105;
 
   DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER = 200;
-  DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 201;
-  DELAY_PEER_PORT_TX_RX_LEADER = 202;
-  DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT = 203;
-  DELAY_PEER_PORT_TX_RX_QUORUM = 204;
-  DELAY_PEER_PORT_TX_RX_ALL = 205;
+  RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER = 201;
+  DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 202;
+  RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT = 203;
+  DELAY_PEER_PORT_TX_RX_LEADER = 204;
+  RANDOM_DELAY_PEER_PORT_TX_RX_LEADER = 205;
+  DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT = 206;
+  RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT = 207;
+  DELAY_PEER_PORT_TX_RX_QUORUM = 208;
+  RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM = 209;
+  DELAY_PEER_PORT_TX_RX_ALL = 210;
+  RANDOM_DELAY_PEER_PORT_TX_RX_ALL = 211;
 
   // NO_FAIL_WITH_STRESS runs no-op failure injection for specified period
   // while stressers are still sending requests.

From 273dc355c19f12aac6a19a7f7612940db0981740 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:17:46 -0700
Subject: [PATCH 12/15] functional-tester/tester: add random delay failure
 cases

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/tester/cluster.go      | 14 ++++++++++++++
 tools/functional-tester/tester/cluster_test.go |  6 ++++++
 tools/functional-tester/tester/local-test.yaml |  6 ++++++
 3 files changed, 26 insertions(+)

diff --git a/tools/functional-tester/tester/cluster.go b/tools/functional-tester/tester/cluster.go
index fd85d0c88e0..417b93054f4 100644
--- a/tools/functional-tester/tester/cluster.go
+++ b/tools/functional-tester/tester/cluster.go
@@ -96,6 +96,16 @@ func newCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 			clus.Members[i].Etcd.WALDir = filepath.Join(clus.Members[i].Etcd.DataDir, "member", "wal")
 		}
 
+		if clus.Members[i].Etcd.HeartbeatIntervalMs == 0 {
+			return nil, fmt.Errorf("'--heartbeat-interval' cannot be 0 (got %+v)", clus.Members[i].Etcd)
+		}
+		if clus.Members[i].Etcd.ElectionTimeoutMs == 0 {
+			return nil, fmt.Errorf("'--election-timeout' cannot be 0 (got %+v)", clus.Members[i].Etcd)
+		}
+		if int64(clus.Tester.DelayLatencyMs) <= clus.Members[i].Etcd.ElectionTimeoutMs {
+			return nil, fmt.Errorf("delay latency %d ms must be greater than election timeout %d ms", clus.Tester.DelayLatencyMs, clus.Members[i].Etcd.ElectionTimeoutMs)
+		}
+
 		port := ""
 		listenClientPorts := make([]string, len(clus.Members))
 		for i, u := range clus.Members[i].Etcd.ListenClientURLs {
@@ -160,6 +170,10 @@ func newCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 		}
 	}
 
+	if clus.Tester.DelayLatencyMs <= clus.Tester.DelayLatencyMsRv {
+		return nil, fmt.Errorf("delay latency %d ms must be greater than delay latency random variable %d ms", clus.Tester.DelayLatencyMs, clus.Tester.DelayLatencyMsRv)
+	}
+
 	for _, v := range clus.Tester.FailureCases {
 		if _, ok := rpcpb.FailureCase_value[v]; !ok {
 			return nil, fmt.Errorf("%q is not defined in 'rpcpb.FailureCase_value'", v)
diff --git a/tools/functional-tester/tester/cluster_test.go b/tools/functional-tester/tester/cluster_test.go
index d682db71954..04706ad7df1 100644
--- a/tools/functional-tester/tester/cluster_test.go
+++ b/tools/functional-tester/tester/cluster_test.go
@@ -138,11 +138,17 @@ func Test_newCluster(t *testing.T) {
 				"BLACKHOLE_PEER_PORT_TX_RX_QUORUM",
 				"BLACKHOLE_PEER_PORT_TX_RX_ALL",
 				"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER",
 				"DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
 				"DELAY_PEER_PORT_TX_RX_LEADER",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_LEADER",
 				"DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT",
 				"DELAY_PEER_PORT_TX_RX_QUORUM",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM",
 				"DELAY_PEER_PORT_TX_RX_ALL",
+				"RANDOM_DELAY_PEER_PORT_TX_RX_ALL",
 				"NO_FAIL_WITH_STRESS",
 				"NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS",
 			},
diff --git a/tools/functional-tester/tester/local-test.yaml b/tools/functional-tester/tester/local-test.yaml
index dc2408bf92e..2c18805f5ea 100644
--- a/tools/functional-tester/tester/local-test.yaml
+++ b/tools/functional-tester/tester/local-test.yaml
@@ -105,11 +105,17 @@ tester-config:
   - BLACKHOLE_PEER_PORT_TX_RX_QUORUM
   - BLACKHOLE_PEER_PORT_TX_RX_ALL
   - DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER
+  - RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER
   - DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
+  - RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
   - DELAY_PEER_PORT_TX_RX_LEADER
+  - RANDOM_DELAY_PEER_PORT_TX_RX_LEADER
   - DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT
+  - RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT
   - DELAY_PEER_PORT_TX_RX_QUORUM
+  - RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM
   - DELAY_PEER_PORT_TX_RX_ALL
+  - RANDOM_DELAY_PEER_PORT_TX_RX_ALL
   - NO_FAIL_WITH_STRESS
   - NO_FAIL_WITH_NO_STRESS_FOR_LIVENESS
 

From 35d8bc2616bb63f76e64cf0fe803514b20634a8c Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:33:14 -0700
Subject: [PATCH 13/15] functional-tester: use updated latency for delay
 network case

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/agent/handler.go |   2 +-
 tools/functional-tester/rpcpb/rpc.pb.go  | 294 +++++++++++++----------
 tools/functional-tester/rpcpb/rpc.proto  |   4 +
 3 files changed, 168 insertions(+), 132 deletions(-)

diff --git a/tools/functional-tester/agent/handler.go b/tools/functional-tester/agent/handler.go
index f90e3165c26..0ef16d392e4 100644
--- a/tools/functional-tester/agent/handler.go
+++ b/tools/functional-tester/agent/handler.go
@@ -368,7 +368,7 @@ func (srv *Server) handleUnblackholePeerPortTxRx() (*rpcpb.Response, error) {
 }
 
 func (srv *Server) handleDelayPeerPortTxRx() (*rpcpb.Response, error) {
-	lat := time.Duration(srv.Tester.DelayLatencyMs) * time.Millisecond
+	lat := time.Duration(srv.Tester.UpdatedDelayLatencyMs) * time.Millisecond
 	rv := time.Duration(srv.Tester.DelayLatencyMsRv) * time.Millisecond
 
 	for port, px := range srv.advertisePeerPortToProxy {
diff --git a/tools/functional-tester/rpcpb/rpc.pb.go b/tools/functional-tester/rpcpb/rpc.pb.go
index 735d157b922..288c746e2fb 100644
--- a/tools/functional-tester/rpcpb/rpc.pb.go
+++ b/tools/functional-tester/rpcpb/rpc.pb.go
@@ -291,6 +291,10 @@ type Tester struct {
 	DelayLatencyMs uint32 `protobuf:"varint,11,opt,name=DelayLatencyMs,proto3" json:"DelayLatencyMs,omitempty" yaml:"delay-latency-ms"`
 	// DelayLatencyMsRv is the delay latency random variable in milliseconds.
 	DelayLatencyMsRv uint32 `protobuf:"varint,12,opt,name=DelayLatencyMsRv,proto3" json:"DelayLatencyMsRv,omitempty" yaml:"delay-latency-ms-rv"`
+	// UpdatedDelayLatencyMs is the update delay latency in milliseconds,
+	// to inject to simulated slow network. It's the final latency to apply,
+	// in case the latency numbers are randomly generated from given delay latency field.
+	UpdatedDelayLatencyMs uint32 `protobuf:"varint,13,opt,name=UpdatedDelayLatencyMs,proto3" json:"UpdatedDelayLatencyMs,omitempty" yaml:"delay-latency-ms"`
 	// RoundLimit is the limit of rounds to run failure set (-1 to run without limits).
 	RoundLimit int32 `protobuf:"varint,21,opt,name=RoundLimit,proto3" json:"RoundLimit,omitempty" yaml:"round-limit"`
 	// ExitOnFailure is true, then exit tester on first failure.
@@ -797,6 +801,11 @@ func (m *Tester) MarshalTo(dAtA []byte) (int, error) {
 		i++
 		i = encodeVarintRpc(dAtA, i, uint64(m.DelayLatencyMsRv))
 	}
+	if m.UpdatedDelayLatencyMs != 0 {
+		dAtA[i] = 0x68
+		i++
+		i = encodeVarintRpc(dAtA, i, uint64(m.UpdatedDelayLatencyMs))
+	}
 	if m.RoundLimit != 0 {
 		dAtA[i] = 0xa8
 		i++
@@ -1196,6 +1205,9 @@ func (m *Tester) Size() (n int) {
 	if m.DelayLatencyMsRv != 0 {
 		n += 1 + sovRpc(uint64(m.DelayLatencyMsRv))
 	}
+	if m.UpdatedDelayLatencyMs != 0 {
+		n += 1 + sovRpc(uint64(m.UpdatedDelayLatencyMs))
+	}
 	if m.RoundLimit != 0 {
 		n += 2 + sovRpc(uint64(m.RoundLimit))
 	}
@@ -2205,6 +2217,25 @@ func (m *Tester) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 13:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field UpdatedDelayLatencyMs", wireType)
+			}
+			m.UpdatedDelayLatencyMs = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowRpc
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.UpdatedDelayLatencyMs |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
 		case 21:
 			if wireType != 0 {
 				return fmt.Errorf("proto: wrong wireType = %d for field RoundLimit", wireType)
@@ -2964,135 +2995,136 @@ var (
 func init() { proto.RegisterFile("rpcpb/rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
-	// 2071 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x8c, 0x58, 0x5b, 0x77, 0xdb, 0x58,
-	0xf5, 0x8f, 0x92, 0x26, 0x4d, 0x4e, 0x6e, 0xea, 0x49, 0x93, 0xa8, 0x97, 0x89, 0x52, 0xcd, 0xbf,
-	0xfd, 0xa7, 0x61, 0x94, 0x42, 0xcb, 0x02, 0xa6, 0xcc, 0xd0, 0x71, 0x1c, 0xb5, 0x31, 0x51, 0x6c,
-	0xf7, 0x58, 0x69, 0xcb, 0x93, 0x91, 0xe5, 0x63, 0x5b, 0x44, 0x96, 0x54, 0xe9, 0x38, 0x63, 0xcf,
-	0x17, 0x60, 0xf1, 0xc6, 0x23, 0x1f, 0x82, 0xf9, 0x1e, 0x9d, 0x0b, 0x30, 0xc0, 0xbb, 0x81, 0xb2,
-	0x58, 0x8b, 0x67, 0x2f, 0xde, 0x61, 0x9d, 0x8b, 0x6d, 0xc9, 0x97, 0xb4, 0x6f, 0x3e, 0x7b, 0xff,
-	0x7e, 0x3f, 0xed, 0xb3, 0xcf, 0x3e, 0x7b, 0x9f, 0x04, 0xac, 0x47, 0xa1, 0x13, 0x56, 0x1e, 0x44,
-	0xa1, 0x73, 0x10, 0x46, 0x01, 0x09, 0xe0, 0x3c, 0x33, 0xdc, 0xd4, 0xeb, 0x2e, 0x69, 0xb4, 0x2a,
-	0x07, 0x4e, 0xd0, 0x7c, 0x50, 0x0f, 0xea, 0xc1, 0x03, 0xe6, 0xad, 0xb4, 0x6a, 0x6c, 0xc5, 0x16,
-	0xec, 0x17, 0x67, 0x69, 0xff, 0x5e, 0x04, 0x57, 0x0c, 0xe2, 0x54, 0xe1, 0x87, 0xe0, 0x4a, 0xde,
-	0x6e, 0x62, 0x45, 0xda, 0x95, 0xf6, 0x96, 0x0e, 0xd7, 0x7b, 0x5d, 0x75, 0xb9, 0x63, 0x37, 0xbd,
-	0xc7, 0x9a, 0x6f, 0x37, 0xb1, 0x86, 0x98, 0x13, 0xea, 0xe0, 0xea, 0x91, 0x4d, 0xec, 0x23, 0x37,
-	0x52, 0x66, 0x19, 0x6e, 0xa3, 0xd7, 0x55, 0xd7, 0x39, 0xae, 0x6a, 0x13, 0x5b, 0xaf, 0xba, 0x91,
-	0x86, 0xfa, 0x18, 0xb8, 0x0f, 0x16, 0x5e, 0x66, 0x4c, 0x8a, 0x9e, 0x63, 0x68, 0xd8, 0xeb, 0xaa,
-	0x6b, 0x1c, 0xfd, 0xb9, 0xed, 0x71, 0xb0, 0x40, 0xc0, 0x02, 0xd8, 0x38, 0xc6, 0x76, 0x44, 0x2a,
-	0xd8, 0x26, 0x39, 0x9f, 0xe0, 0xe8, 0xc2, 0xf6, 0x4e, 0x63, 0x65, 0x79, 0x57, 0xda, 0x9b, 0x3b,
-	0xfc, 0xa0, 0xd7, 0x55, 0x6f, 0x70, 0x62, 0xa3, 0x0f, 0xd2, 0x5d, 0x81, 0xd2, 0xd0, 0x24, 0x26,
-	0xcc, 0x81, 0x6b, 0x86, 0x87, 0x1d, 0xe2, 0x06, 0xbe, 0xe5, 0x36, 0x71, 0xd0, 0x22, 0xa7, 0xb1,
-	0xb2, 0xc2, 0xe4, 0x6e, 0xf5, 0xba, 0xea, 0x36, 0x97, 0xc3, 0x02, 0xa2, 0x13, 0x8e, 0xd1, 0xd0,
-	0x38, 0x0b, 0xe6, 0x80, 0x6c, 0xba, 0x31, 0xc1, 0x7e, 0xd6, 0x73, 0xb1, 0x4f, 0xce, 0x90, 0x19,
-	0x2b, 0x9b, 0xbb, 0x73, 0x7b, 0x4b, 0xc9, 0xc0, 0x3c, 0x86, 0xd0, 0x1d, 0x06, 0xd1, 0x5b, 0x91,
-	0x17, 0x6b, 0x68, 0x8c, 0x06, 0x11, 0xd8, 0xc8, 0x54, 0x2f, 0x70, 0x44, 0xdc, 0x18, 0x27, 0xd4,
-	0xb6, 0x98, 0xda, 0x6e, 0xaf, 0xab, 0xde, 0xe6, 0x6a, 0x76, 0x1f, 0x94, 0x16, 0x9c, 0x44, 0x86,
-	0x59, 0xb0, 0xc6, 0xbf, 0x53, 0xc4, 0x38, 0x62, 0x72, 0xdb, 0x4c, 0x2e, 0xb1, 0x4d, 0x11, 0x5c,
-	0x88, 0x71, 0x24, 0x94, 0x46, 0x28, 0xb0, 0x02, 0x94, 0x9c, 0xef, 0x12, 0xd7, 0xf6, 0x06, 0x9f,
-	0x18, 0xc8, 0x29, 0x4c, 0xee, 0x5e, 0xaf, 0xab, 0x6a, 0x5c, 0xce, 0xe5, 0x48, 0x7d, 0x18, 0x65,
-	0x42, 0x79, 0xaa, 0x0e, 0x3c, 0x04, 0x6b, 0xc2, 0x97, 0xf5, 0x5a, 0x31, 0xc1, 0x91, 0xa2, 0xb2,
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+	0x0f, 0xff, 0xda, 0x9c, 0xaa, 0xcd, 0xb1, 0x7f, 0x16, 0x3e, 0xfe, 0x5f, 0x00, 0x00, 0x00, 0xff,
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 }
diff --git a/tools/functional-tester/rpcpb/rpc.proto b/tools/functional-tester/rpcpb/rpc.proto
index f611a65ba58..6c6d0363c6c 100644
--- a/tools/functional-tester/rpcpb/rpc.proto
+++ b/tools/functional-tester/rpcpb/rpc.proto
@@ -152,6 +152,10 @@ message Tester {
   uint32 DelayLatencyMs = 11 [(gogoproto.moretags) = "yaml:\"delay-latency-ms\""];
   // DelayLatencyMsRv is the delay latency random variable in milliseconds.
   uint32 DelayLatencyMsRv = 12 [(gogoproto.moretags) = "yaml:\"delay-latency-ms-rv\""];
+  // UpdatedDelayLatencyMs is the update delay latency in milliseconds,
+  // to inject to simulated slow network. It's the final latency to apply,
+  // in case the latency numbers are randomly generated from given delay latency field.
+  uint32 UpdatedDelayLatencyMs = 13 [(gogoproto.moretags) = "yaml:\"delay-latency-ms\""];
 
   // RoundLimit is the limit of rounds to run failure set (-1 to run without limits).
   int32 RoundLimit = 21 [(gogoproto.moretags) = "yaml:\"round-limit\""];

From 3a93f1c803b1ef99e43b99ea42a2db012279b4a6 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:34:59 -0700
Subject: [PATCH 14/15] functional-tester/rpcpb: fix duplicate field

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/rpcpb/rpc.pb.go | 261 ++++++++++++------------
 tools/functional-tester/rpcpb/rpc.proto |   2 +-
 2 files changed, 132 insertions(+), 131 deletions(-)

diff --git a/tools/functional-tester/rpcpb/rpc.pb.go b/tools/functional-tester/rpcpb/rpc.pb.go
index 288c746e2fb..5c075f3d5a5 100644
--- a/tools/functional-tester/rpcpb/rpc.pb.go
+++ b/tools/functional-tester/rpcpb/rpc.pb.go
@@ -294,7 +294,7 @@ type Tester struct {
 	// UpdatedDelayLatencyMs is the update delay latency in milliseconds,
 	// to inject to simulated slow network. It's the final latency to apply,
 	// in case the latency numbers are randomly generated from given delay latency field.
-	UpdatedDelayLatencyMs uint32 `protobuf:"varint,13,opt,name=UpdatedDelayLatencyMs,proto3" json:"UpdatedDelayLatencyMs,omitempty" yaml:"delay-latency-ms"`
+	UpdatedDelayLatencyMs uint32 `protobuf:"varint,13,opt,name=UpdatedDelayLatencyMs,proto3" json:"UpdatedDelayLatencyMs,omitempty" yaml:"updated-delay-latency-ms"`
 	// RoundLimit is the limit of rounds to run failure set (-1 to run without limits).
 	RoundLimit int32 `protobuf:"varint,21,opt,name=RoundLimit,proto3" json:"RoundLimit,omitempty" yaml:"round-limit"`
 	// ExitOnFailure is true, then exit tester on first failure.
@@ -2995,136 +2995,137 @@ var (
 func init() { proto.RegisterFile("rpcpb/rpc.proto", fileDescriptorRpc) }
 
 var fileDescriptorRpc = []byte{
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+	0x5a, 0x68, 0x84, 0x46, 0x8f, 0xb7, 0x42, 0x62, 0x9c, 0x24, 0xd6, 0x79, 0x84, 0x13, 0x05, 0xb3,
+	0x6d, 0xa5, 0x8e, 0x37, 0x61, 0x4e, 0x9d, 0x50, 0xaf, 0x86, 0xd2, 0x58, 0x5a, 0xa5, 0x7c, 0x79,
+	0x88, 0xcf, 0x2b, 0xde, 0x17, 0x98, 0xf5, 0xf7, 0xd9, 0x74, 0x6a, 0x05, 0xf9, 0x04, 0x9f, 0xeb,
+	0x89, 0xf7, 0x05, 0xad, 0xd2, 0x0c, 0x81, 0x36, 0xc5, 0x8c, 0xc1, 0xb4, 0xe3, 0x06, 0x56, 0x1a,
+	0x4c, 0x26, 0x35, 0x6e, 0x87, 0x64, 0x74, 0x9f, 0xc2, 0x34, 0x34, 0x86, 0x0b, 0x5f, 0x80, 0xab,
+	0x03, 0x6b, 0xab, 0x5e, 0xf7, 0xda, 0xc8, 0x0e, 0x1a, 0x58, 0x69, 0x32, 0x4d, 0xad, 0xdb, 0x51,
+	0x37, 0x47, 0x35, 0x19, 0x4e, 0x8f, 0x29, 0x50, 0x43, 0x63, 0xf9, 0xf0, 0x57, 0x60, 0x63, 0x9c,
+	0xdd, 0x6a, 0x07, 0x8a, 0xc7, 0xa4, 0x53, 0xcf, 0xc4, 0x09, 0xd2, 0x3a, 0x69, 0x07, 0x1a, 0x9a,
+	0x24, 0x43, 0x87, 0x55, 0xdf, 0x65, 0xb5, 0x83, 0x52, 0x94, 0x28, 0xbf, 0x66, 0xca, 0xa9, 0x23,
+	0x4d, 0x29, 0x93, 0x76, 0xa0, 0x87, 0x51, 0xa2, 0xa1, 0x61, 0xd6, 0xe0, 0x58, 0xf8, 0xbc, 0x48,
+	0xf8, 0xe0, 0x9c, 0xcd, 0xbc, 0xc1, 0xb8, 0x0e, 0x1f, 0x33, 0x49, 0xff, 0x58, 0x04, 0x01, 0xfe,
+	0x18, 0x2c, 0x70, 0xc3, 0xf3, 0x72, 0x85, 0x4f, 0xcc, 0xd9, 0xf4, 0x4b, 0x43, 0xb0, 0x5f, 0xd3,
+	0xaf, 0x0f, 0x80, 0xda, 0x6f, 0x24, 0x70, 0x19, 0xe1, 0xd7, 0x2d, 0x9c, 0x10, 0xb8, 0x0b, 0x16,
+	0x4a, 0x11, 0x8e, 0x6d, 0xfa, 0x83, 0x82, 0x4d, 0x96, 0x95, 0x87, 0xb2, 0x98, 0x4f, 0x7d, 0x3b,
+	0x1a, 0x40, 0xe0, 0xdd, 0xde, 0x1b, 0x49, 0xe1, 0xc3, 0x6c, 0x59, 0x80, 0xb9, 0x11, 0xf5, 0x1e,
+	0x50, 0x77, 0x7b, 0xe3, 0x8b, 0xfd, 0xb2, 0x1a, 0xc0, 0xb8, 0x11, 0x09, 0xa7, 0xf6, 0x31, 0x98,
+	0x47, 0x38, 0x89, 0xc2, 0x20, 0xc1, 0x50, 0x01, 0x97, 0x2b, 0x2d, 0xc7, 0xc1, 0x49, 0xc2, 0xe2,
+	0x98, 0x47, 0xbd, 0x25, 0xbc, 0x06, 0xe6, 0xe8, 0x3b, 0xb8, 0x95, 0xf0, 0xe1, 0x85, 0xc4, 0x6a,
+	0xe7, 0x1f, 0x52, 0x2a, 0x78, 0xb8, 0x02, 0x40, 0x31, 0x24, 0x15, 0x62, 0xc7, 0x04, 0xbb, 0xf2,
+	0x14, 0xbc, 0x0a, 0x64, 0xf1, 0xca, 0x63, 0x36, 0x3a, 0x56, 0x65, 0x09, 0xae, 0x82, 0x45, 0x84,
+	0x93, 0xbe, 0x61, 0x1a, 0x2e, 0x81, 0xf9, 0x43, 0xcf, 0xf7, 0xd9, 0x6a, 0x86, 0xba, 0x69, 0x27,
+	0xc8, 0xc5, 0x4e, 0xd3, 0x3b, 0xc3, 0xf2, 0x25, 0xaa, 0xb2, 0x8f, 0x13, 0x12, 0x87, 0xe7, 0x14,
+	0xc1, 0x5e, 0x6b, 0xf2, 0x2c, 0xbc, 0x0e, 0xd6, 0xf7, 0x7c, 0xdb, 0x39, 0x69, 0x86, 0x3e, 0xfb,
+	0xf5, 0x50, 0x0e, 0x63, 0x62, 0xb5, 0x51, 0x5b, 0x76, 0xe1, 0x4d, 0xb0, 0x71, 0x1c, 0xd4, 0xc6,
+	0x3a, 0x31, 0x5c, 0x07, 0x57, 0x58, 0xbf, 0xcb, 0x98, 0xeb, 0x70, 0x03, 0xac, 0x1d, 0x07, 0xee,
+	0x88, 0xa3, 0xb1, 0xf3, 0x9f, 0x79, 0x1e, 0x8f, 0x68, 0xb5, 0x94, 0x7f, 0x58, 0x30, 0xcd, 0x6a,
+	0xa9, 0x68, 0x54, 0x9f, 0x96, 0x4c, 0xb3, 0xf4, 0xd2, 0x40, 0xf2, 0x14, 0xfc, 0x10, 0x6c, 0x8f,
+	0x98, 0xab, 0xc7, 0x45, 0xab, 0x60, 0x56, 0x2d, 0x54, 0x78, 0xf6, 0xcc, 0x40, 0xd5, 0x4a, 0x31,
+	0x57, 0xae, 0x1c, 0x94, 0x2c, 0x9e, 0x02, 0x86, 0x36, 0x8d, 0xdc, 0xbe, 0x81, 0xe4, 0x69, 0x78,
+	0x0f, 0x68, 0x29, 0xc3, 0x24, 0xe2, 0x4c, 0x9f, 0xf8, 0xfc, 0xb8, 0x84, 0x8e, 0x8f, 0xe4, 0x4b,
+	0x2c, 0x77, 0xd4, 0x90, 0x33, 0x4d, 0x79, 0x16, 0xee, 0x80, 0x7b, 0x7b, 0x66, 0x2e, 0x7f, 0x78,
+	0x50, 0x32, 0x8d, 0x6a, 0xd9, 0x30, 0x50, 0xb5, 0x5c, 0x42, 0x56, 0xd5, 0x7a, 0x55, 0x45, 0xaf,
+	0xb2, 0x11, 0xbb, 0x30, 0x07, 0x3e, 0x79, 0x3f, 0xec, 0xa4, 0x68, 0x30, 0xfc, 0x1e, 0xd8, 0x9a,
+	0x2c, 0x21, 0xf6, 0x56, 0x87, 0x3f, 0x07, 0x3f, 0x7d, 0x17, 0x6a, 0xd2, 0x27, 0x1a, 0x17, 0x7f,
+	0x42, 0x64, 0xa1, 0x09, 0x6f, 0x83, 0x0f, 0x26, 0xa3, 0x68, 0x6a, 0x3c, 0xf8, 0x7d, 0xa0, 0xed,
+	0x1b, 0x66, 0xee, 0xb3, 0x8b, 0xd3, 0xf2, 0x46, 0x82, 0xbb, 0xe0, 0x3e, 0xca, 0x15, 0xf7, 0x4b,
+	0x47, 0xd5, 0xf7, 0xc0, 0x7f, 0x25, 0xc1, 0x5f, 0x80, 0x8f, 0xde, 0x0d, 0x9c, 0xb4, 0xc1, 0xaf,
+	0x25, 0x68, 0x80, 0x4f, 0xdf, 0xfb, 0x7b, 0x93, 0x64, 0xbe, 0x91, 0xe0, 0x6d, 0x70, 0x6b, 0x3c,
+	0x5f, 0x9c, 0xc3, 0xb7, 0x12, 0xdc, 0x06, 0x77, 0x2e, 0xfc, 0x92, 0x40, 0xfe, 0x51, 0x82, 0x3f,
+	0x03, 0x8f, 0x2e, 0x82, 0x4c, 0x0a, 0xe3, 0x4f, 0x12, 0x7c, 0x02, 0x1e, 0xbf, 0xc7, 0x37, 0x26,
+	0x09, 0xfc, 0xf9, 0x82, 0x7d, 0x88, 0xc3, 0xfe, 0xee, 0xdd, 0xfb, 0x10, 0xc8, 0xbf, 0x48, 0x70,
+	0x13, 0x5c, 0x1f, 0x0f, 0xa1, 0x35, 0xf1, 0x57, 0x09, 0xde, 0x05, 0x5b, 0x17, 0x2a, 0x51, 0xd8,
+	0xdf, 0x24, 0xa8, 0x80, 0xb5, 0x62, 0xa9, 0xfa, 0x34, 0x57, 0x30, 0xab, 0x2f, 0x0b, 0xd6, 0x41,
+	0xb5, 0x62, 0x21, 0xa3, 0x52, 0x91, 0xff, 0x30, 0x4d, 0x43, 0xc9, 0x78, 0x8a, 0x25, 0xe1, 0xac,
+	0x3e, 0x2d, 0xa1, 0xaa, 0x59, 0x78, 0x61, 0x14, 0x29, 0xf2, 0xcb, 0x69, 0xb8, 0x0a, 0x00, 0x85,
+	0x95, 0x4b, 0x85, 0xa2, 0x55, 0x91, 0x7f, 0x37, 0x03, 0x97, 0xc1, 0xbc, 0xf1, 0xca, 0x32, 0x50,
+	0x31, 0x67, 0xca, 0xff, 0x9b, 0xd9, 0x09, 0x01, 0x18, 0xbc, 0x17, 0xe0, 0x1c, 0x98, 0x3e, 0x7c,
+	0x21, 0x4f, 0xc1, 0x05, 0x30, 0x6b, 0x1a, 0xb9, 0x8a, 0x21, 0x4b, 0x70, 0x0d, 0xac, 0x1a, 0xa6,
+	0x91, 0xb7, 0x0a, 0xa5, 0x62, 0x15, 0x1d, 0x17, 0x8b, 0xac, 0x6f, 0xc8, 0x60, 0xe9, 0x65, 0xce,
+	0xca, 0x1f, 0xf4, 0x2c, 0x33, 0xb4, 0x3f, 0x99, 0xa5, 0xfc, 0x61, 0x15, 0xe5, 0xf2, 0x06, 0xea,
+	0x99, 0x2f, 0x51, 0x20, 0x13, 0xea, 0x59, 0x66, 0x1f, 0x3e, 0x01, 0x0b, 0x56, 0x6c, 0x07, 0x49,
+	0x14, 0xc6, 0x04, 0x3e, 0x4c, 0x2f, 0x56, 0xc4, 0xa4, 0x10, 0x03, 0xea, 0xc6, 0x6a, 0x7f, 0xcd,
+	0xe7, 0x84, 0x36, 0xb5, 0x2d, 0xfd, 0x50, 0xda, 0xbb, 0xfa, 0xe6, 0x5f, 0x9b, 0x53, 0x6f, 0xde,
+	0x6e, 0x4a, 0xdf, 0xbd, 0xdd, 0x94, 0xfe, 0xf9, 0x76, 0x53, 0xfa, 0xfd, 0xbf, 0x37, 0xa7, 0x6a,
+	0x73, 0xec, 0x9f, 0x86, 0x8f, 0xfe, 0x1f, 0x00, 0x00, 0xff, 0xff, 0x2d, 0x31, 0xfa, 0xc2, 0x7d,
+	0x14, 0x00, 0x00,
 }
diff --git a/tools/functional-tester/rpcpb/rpc.proto b/tools/functional-tester/rpcpb/rpc.proto
index 6c6d0363c6c..f44f245d1a1 100644
--- a/tools/functional-tester/rpcpb/rpc.proto
+++ b/tools/functional-tester/rpcpb/rpc.proto
@@ -155,7 +155,7 @@ message Tester {
   // UpdatedDelayLatencyMs is the update delay latency in milliseconds,
   // to inject to simulated slow network. It's the final latency to apply,
   // in case the latency numbers are randomly generated from given delay latency field.
-  uint32 UpdatedDelayLatencyMs = 13 [(gogoproto.moretags) = "yaml:\"delay-latency-ms\""];
+  uint32 UpdatedDelayLatencyMs = 13 [(gogoproto.moretags) = "yaml:\"updated-delay-latency-ms\""];
 
   // RoundLimit is the limit of rounds to run failure set (-1 to run without limits).
   int32 RoundLimit = 21 [(gogoproto.moretags) = "yaml:\"round-limit\""];

From ea4effce8442357ab01b7d5e940599808d0ac080 Mon Sep 17 00:00:00 2001
From: Gyuho Lee <gyuhox@gmail.com>
Date: Thu, 5 Apr 2018 11:45:44 -0700
Subject: [PATCH 15/15] functional-tester/tester: add randomize delay

Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
---
 tools/functional-tester/tester/cluster.go     | 43 +++++++++---
 .../functional-tester/tester/cluster_test.go  | 17 ++---
 .../tester/cluster_tester.go                  |  1 +
 tools/functional-tester/tester/failure.go     | 15 ++++-
 .../tester/failure_case_network_delay.go      | 66 ++++++++++++++++---
 .../functional-tester/tester/local-test.yaml  |  2 +-
 6 files changed, 116 insertions(+), 28 deletions(-)

diff --git a/tools/functional-tester/tester/cluster.go b/tools/functional-tester/tester/cluster.go
index 417b93054f4..915d571897a 100644
--- a/tools/functional-tester/tester/cluster.go
+++ b/tools/functional-tester/tester/cluster.go
@@ -170,8 +170,11 @@ func newCluster(lg *zap.Logger, fpath string) (*Cluster, error) {
 		}
 	}
 
-	if clus.Tester.DelayLatencyMs <= clus.Tester.DelayLatencyMsRv {
-		return nil, fmt.Errorf("delay latency %d ms must be greater than delay latency random variable %d ms", clus.Tester.DelayLatencyMs, clus.Tester.DelayLatencyMsRv)
+	if clus.Tester.DelayLatencyMs <= clus.Tester.DelayLatencyMsRv*5 {
+		return nil, fmt.Errorf("delay latency %d ms must be greater than 5x of delay latency random variable %d ms", clus.Tester.DelayLatencyMs, clus.Tester.DelayLatencyMsRv)
+	}
+	if clus.Tester.UpdatedDelayLatencyMs == 0 {
+		clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
 	}
 
 	for _, v := range clus.Tester.FailureCases {
@@ -303,17 +306,29 @@ func (clus *Cluster) updateFailures() {
 			clus.failures = append(clus.failures, newFailureBlackholePeerPortTxRxAll(clus))
 
 		case "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollower(clus))
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollower(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollower(clus, true))
 		case "DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot())
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot(clus, true))
 		case "DELAY_PEER_PORT_TX_RX_LEADER":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeader(clus))
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeader(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_LEADER":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeader(clus, true))
 		case "DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot())
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot(clus, true))
 		case "DELAY_PEER_PORT_TX_RX_QUORUM":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxQuorum(clus))
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxQuorum(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxQuorum(clus, true))
 		case "DELAY_PEER_PORT_TX_RX_ALL":
-			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxAll(clus))
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxAll(clus, false))
+		case "RANDOM_DELAY_PEER_PORT_TX_RX_ALL":
+			clus.failures = append(clus.failures, newFailureDelayPeerPortTxRxAll(clus, true))
 
 		case "NO_FAIL_WITH_STRESS":
 			clus.failures = append(clus.failures, newFailureNoFailWithStress(clus))
@@ -340,6 +355,18 @@ func (clus *Cluster) failureStrings() (fs []string) {
 	return fs
 }
 
+// UpdateDelayLatencyMs updates delay latency with random value
+// within election timeout.
+func (clus *Cluster) UpdateDelayLatencyMs() {
+	rand.Seed(time.Now().UnixNano())
+	clus.Tester.UpdatedDelayLatencyMs = uint32(rand.Int63n(clus.Members[0].Etcd.ElectionTimeoutMs))
+
+	minLatRv := clus.Tester.DelayLatencyMsRv + clus.Tester.DelayLatencyMsRv/5
+	if clus.Tester.UpdatedDelayLatencyMs <= minLatRv {
+		clus.Tester.UpdatedDelayLatencyMs += minLatRv
+	}
+}
+
 func (clus *Cluster) shuffleFailures() {
 	rand.Seed(time.Now().UnixNano())
 	offset := rand.Intn(1000)
diff --git a/tools/functional-tester/tester/cluster_test.go b/tools/functional-tester/tester/cluster_test.go
index 04706ad7df1..9d1e3a49c87 100644
--- a/tools/functional-tester/tester/cluster_test.go
+++ b/tools/functional-tester/tester/cluster_test.go
@@ -116,14 +116,15 @@ func Test_newCluster(t *testing.T) {
 			},
 		},
 		Tester: &rpcpb.Tester{
-			TesterNetwork:    "tcp",
-			TesterAddr:       "127.0.0.1:9028",
-			DelayLatencyMs:   5000,
-			DelayLatencyMsRv: 150,
-			RoundLimit:       1,
-			ExitOnFailure:    true,
-			ConsistencyCheck: true,
-			EnablePprof:      true,
+			TesterNetwork:         "tcp",
+			TesterAddr:            "127.0.0.1:9028",
+			DelayLatencyMs:        5000,
+			DelayLatencyMsRv:      500,
+			UpdatedDelayLatencyMs: 5000,
+			RoundLimit:            1,
+			ExitOnFailure:         true,
+			ConsistencyCheck:      true,
+			EnablePprof:           true,
 			FailureCases: []string{
 				"KILL_ONE_FOLLOWER",
 				"KILL_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT",
diff --git a/tools/functional-tester/tester/cluster_tester.go b/tools/functional-tester/tester/cluster_tester.go
index 95a5b29fa70..1db87a4572f 100644
--- a/tools/functional-tester/tester/cluster_tester.go
+++ b/tools/functional-tester/tester/cluster_tester.go
@@ -111,6 +111,7 @@ func (clus *Cluster) doRound() error {
 		"round START",
 		zap.Int("round", clus.rd),
 		zap.Strings("failures", clus.failureStrings()),
+		zap.Int("total-failures", len(clus.failures)),
 	)
 	for i, fa := range clus.failures {
 		clus.cs = i
diff --git a/tools/functional-tester/tester/failure.go b/tools/functional-tester/tester/failure.go
index a1f22ce55a7..2a1a20e9dbd 100644
--- a/tools/functional-tester/tester/failure.go
+++ b/tools/functional-tester/tester/failure.go
@@ -224,9 +224,18 @@ type failureUntilSnapshot struct {
 	Failure
 }
 
+// all delay failure cases except the ones failing with latency
+// greater than election timeout (trigger leader election and
+// cluster keeps operating anyways)
 var slowCases = map[rpcpb.FailureCase]bool{
-	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT: true,
-	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT:       true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER:                        true,
+	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT:        true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT: true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER:                              true,
+	rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT:              true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT:       true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM:                              true,
+	rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ALL:                                 true,
 }
 
 func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
@@ -263,7 +272,7 @@ func (f *failureUntilSnapshot) Inject(clus *Cluster) error {
 	retries := int(snapshotCount) / 1000 * 3
 	if v, ok := slowCases[f.FailureCase()]; v && ok {
 		// slow network takes more retries
-		retries *= 2
+		retries *= 5
 	}
 
 	for i := 0; i < retries; i++ {
diff --git a/tools/functional-tester/tester/failure_case_network_delay.go b/tools/functional-tester/tester/failure_case_network_delay.go
index 4a3161e2c0f..e9920376870 100644
--- a/tools/functional-tester/tester/failure_case_network_delay.go
+++ b/tools/functional-tester/tester/failure_case_network_delay.go
@@ -18,6 +18,8 @@ import (
 	"time"
 
 	"github.com/coreos/etcd/tools/functional-tester/rpcpb"
+
+	"go.uber.org/zap"
 )
 
 const (
@@ -29,6 +31,12 @@ const (
 )
 
 func injectDelayPeerPortTxRx(clus *Cluster, idx int) error {
+	clus.lg.Info(
+		"injecting delay latency",
+		zap.Duration("latency", time.Duration(clus.Tester.UpdatedDelayLatencyMs)*time.Millisecond),
+		zap.Duration("latency-rv", time.Duration(clus.Tester.DelayLatencyMsRv)*time.Millisecond),
+		zap.String("endpoint", clus.Members[idx].EtcdClientEndpoint),
+	)
 	return clus.sendOperation(idx, rpcpb.Operation_DelayPeerPortTxRx)
 }
 
@@ -38,12 +46,19 @@ func recoverDelayPeerPortTxRx(clus *Cluster, idx int) error {
 	return err
 }
 
-func newFailureDelayPeerPortTxRxOneFollower(clus *Cluster) Failure {
+func newFailureDelayPeerPortTxRxOneFollower(clus *Cluster, random bool) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		ff.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER
+	}
+
 	f := &failureFollower{ff, -1, -1}
 	return &failureDelay{
 		Failure:       f,
@@ -51,25 +66,39 @@ func newFailureDelayPeerPortTxRxOneFollower(clus *Cluster) Failure {
 	}
 }
 
-func newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot() Failure {
+func newFailureDelayPeerPortTxRxOneFollowerUntilTriggerSnapshot(clus *Cluster, random bool) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		ff.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT
+	}
+
 	f := &failureFollower{ff, -1, -1}
 	return &failureUntilSnapshot{
-		failureCase: rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ONE_FOLLOWER_UNTIL_TRIGGER_SNAPSHOT,
+		failureCase: ff.failureCase,
 		Failure:     f,
 	}
 }
 
-func newFailureDelayPeerPortTxRxLeader(clus *Cluster) Failure {
+func newFailureDelayPeerPortTxRxLeader(clus *Cluster, random bool) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		ff.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER
+	}
+
 	f := &failureLeader{ff, -1, -1}
 	return &failureDelay{
 		Failure:       f,
@@ -77,37 +106,58 @@ func newFailureDelayPeerPortTxRxLeader(clus *Cluster) Failure {
 	}
 }
 
-func newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot() Failure {
+func newFailureDelayPeerPortTxRxLeaderUntilTriggerSnapshot(clus *Cluster, random bool) Failure {
 	ff := failureByFunc{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		ff.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT
+	}
+
 	f := &failureLeader{ff, -1, -1}
 	return &failureUntilSnapshot{
-		failureCase: rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_LEADER_UNTIL_TRIGGER_SNAPSHOT,
+		failureCase: ff.failureCase,
 		Failure:     f,
 	}
 }
 
-func newFailureDelayPeerPortTxRxQuorum(clus *Cluster) Failure {
+func newFailureDelayPeerPortTxRxQuorum(clus *Cluster, random bool) Failure {
 	f := &failureQuorum{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_QUORUM,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		f.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_QUORUM
+	}
+
 	return &failureDelay{
 		Failure:       f,
 		delayDuration: clus.GetFailureDelayDuration(),
 	}
 }
 
-func newFailureDelayPeerPortTxRxAll(clus *Cluster) Failure {
+func newFailureDelayPeerPortTxRxAll(clus *Cluster, random bool) Failure {
 	f := &failureAll{
 		failureCase:   rpcpb.FailureCase_DELAY_PEER_PORT_TX_RX_ALL,
 		injectMember:  injectDelayPeerPortTxRx,
 		recoverMember: recoverDelayPeerPortTxRx,
 	}
+
+	clus.Tester.UpdatedDelayLatencyMs = clus.Tester.DelayLatencyMs
+	if random {
+		clus.UpdateDelayLatencyMs()
+		f.failureCase = rpcpb.FailureCase_RANDOM_DELAY_PEER_PORT_TX_RX_ALL
+	}
+
 	return &failureDelay{
 		Failure:       f,
 		delayDuration: clus.GetFailureDelayDuration(),
diff --git a/tools/functional-tester/tester/local-test.yaml b/tools/functional-tester/tester/local-test.yaml
index 2c18805f5ea..d3f2f188983 100644
--- a/tools/functional-tester/tester/local-test.yaml
+++ b/tools/functional-tester/tester/local-test.yaml
@@ -84,7 +84,7 @@ tester-config:
 
   # slow enough to trigger election
   delay-latency-ms: 5000
-  delay-latency-ms-rv: 150
+  delay-latency-ms-rv: 500
 
   round-limit: 1
   exit-on-failure: true