Add stress test script

test/stress/stress.sh

@@ -0,0 +1,103 @@
+#!/bin/bash
+
+# Copyright 2020 The Kubernetes Authors All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+# Stress test for start, restart, upgrade.
+# 
+# Usage:
+#
+#   ./test/stress/stress.sh "<optional start flags>" <optional version to upgrade from> <optional count>
+#
+# Example:
+#
+#   ./test/stress/stress.sh "--driver=docker --base-image gcr.io/k8s-minikube/kic:ubuntu-upgrade"
+#
+
+readonly START_FLAGS=${1:-""}
+readonly UPGRADE_FROM=${2:-"v1.11.0"}
+readonly TOTAL=${3:-20}
+readonly OLD_PATH="/tmp/minikube-${UPGRADE_FROM}"
+readonly NEW_PATH="./out/minikube"
+readonly LOG_PATH="$(mktemp)"
+
+readonly PROFILE="stress$(echo -n $START_FLAGS | openssl md5 | cut -c1-5)"
+
+if [[ ! -x "${NEW_PATH}" ]]; then
+  echo "${NEW_PATH} is missing, please run 'make'"
+  exit 4
+fi
+
+
+fail() {
+  local msg=$1
+
+  lecho "** FAILED with ${START_FLAGS}: ${msg} -- docker logs follow: **"
+  docker logs "${PROFILE}" | tee -a $LOG_PATH
+  lecho "** FULL FAILURE LOGS are available in ${LOG_PATH}"
+}
+
+lecho() {
+  local msg=$1
+  echo "$msg" | tee -a "${LOG_PATH}"
+}
+
+lecho "Downloading minikube ${UPGRADE_FROM} for upgrade test ..."
+curl -L -C - -o "${OLD_PATH}" https://storage.googleapis.com/minikube/releases/${UPGRADE_FROM}/minikube-darwin-amd64
+chmod 755 "${OLD_PATH}"
+
+
+for i in $(seq 1 ${TOTAL}); do
+  lecho ""
+  lecho "*** LOOP ${i} of ${TOTAL}: ${UPGRADE_FROM} to HEAD, logging to ${LOG_PATH}" 
+  lecho "***   start flags: -p ${PROFILE} ${START_FLAGS}"
+  lecho ""
+  "${NEW_PATH}" delete -p ${PROFILE}
+
+  lecho ""
+  lecho "Upgrade ${UPGRADE_FROM} to HEAD hot test: loop ${i}"
+  time ${OLD_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { lecho "${OLD_PATH} failed, which is OK"; }    
+  lecho "Starting cluster built-by ${UPGRADE_FROM} with ${NEW_PATH}"
+  time ${NEW_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { fail "hot upgrade (loop $i)";  exit 1; }
+  lecho "Deleting ${UPGRADE_FROM} built-cluster"
+  ${NEW_PATH} delete -p ${PROFILE}
+
+  lecho ""
+  lecho "Upgrade ${UPGRADE_FROM} to HEAD cold test: loop ${i}"
+  time ${OLD_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { lecho "${OLD_PATH} failed, which is OK"; }
+
+  lecho "Stopping ${UPGRADE_FROM}} built-cluster"
+  ${OLD_PATH} stop -p ${PROFILE} 2>>${LOG_PATH}
+
+  lecho "Starting cluster built-by ${UPGRADE_FROM} with ${NEW_PATH}"
+  time ${NEW_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { fail "hot upgrade (loop $i)";  exit 1; }
+
+  lecho ""
+  lecho "Restart HEAD hot test: loop ${i}"
+  time ${NEW_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { fail "hot HEAD restart (loop $i)"; exit 3; }
+
+  lecho ""
+  lecho "Restart HEAD cold test: loop ${i}"
+  ${NEW_PATH} stop -p ${PROFILE}
+
+  time ${NEW_PATH} start -p ${PROFILE} ${START_FLAGS} --alsologtostderr 2>>${LOG_PATH} || { fail "cold HEAD restart (loop $i)"; exit 4; }
+
+  ${NEW_PATH} delete -p ${PROFILE}
+
+  lecho ""
+  lecho "****************************************************"
+  lecho "Congratulations - ${PROFILE} survived loop ${i} of ${TOTAL}"
+  lecho "****************************************************"
+  lecho ""
+done