Switch to GCB and fix CI failures (#297)

Makefile

@@ -43,7 +43,7 @@ test-386:
 .PHONY: test-with-coverage
 test-with-coverage:
 	@echo pre-compiling tests
-	@time go test -i $(ALL_PKGS)
+	@go test -i $(ALL_PKGS)
 	$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) $(ALL_PKGS)
 	go tool cover -html=coverage.txt -o coverage.html
 
@@ -52,7 +52,7 @@ test-with-cover:
 	@echo Verifying that all packages have test files to count in coverage
 	@scripts/check-test-files.sh $(subst contrib.go.opencensus.io/exporter/stackdriver,./,$(ALL_PKGS))
 	@echo pre-compiling tests
-	@time go test -i $(ALL_PKGS)
+	@go test -i $(ALL_PKGS)
 	$(GOTEST) $(GOTEST_OPT_WITH_COVERAGE) $(ALL_PKGS)
 	go tool cover -html=coverage.txt -o coverage.html
 

cloudbuild.yaml

@@ -0,0 +1,4 @@
+steps:
+  - name: golang:1.14
+    args: ["make", "install-tools", "ci"]
+logsBucket: gs://opentelemetry-ops-e2e-cloud-build-logs

internal/tools.go

@@ -13,6 +13,7 @@
 // limitations under the License.
 //
 
+//go:build tools
 // +build tools
 
 package internal

metrics_proto_api_test.go

@@ -27,6 +27,7 @@ import (
 	"github.com/golang/protobuf/ptypes/empty"
 	"google.golang.org/api/option"
 	"google.golang.org/protobuf/encoding/prototext"
+	"google.golang.org/protobuf/proto"
 	"google.golang.org/protobuf/testing/protocmp"
 
 	googlemetricpb "google.golang.org/genproto/googleapis/api/metric"
@@ -286,12 +287,12 @@ func TestExportMaxTSPerRequest(t *testing.T) {
 		v := fmt.Sprintf("value_%d", i)
 		lv := &metricspb.LabelValue{Value: v, HasValue: true}
 
-		ts := *tcFromFile.inMetric[0].Timeseries[0]
+		ts := proto.Clone(tcFromFile.inMetric[0].Timeseries[0]).(*metricspb.TimeSeries)
 		ts.LabelValues = []*metricspb.LabelValue{inEmptyValue, lv}
-		tcFromFile.inMetric[0].Timeseries = append(tcFromFile.inMetric[0].Timeseries, &ts)
+		tcFromFile.inMetric[0].Timeseries = append(tcFromFile.inMetric[0].Timeseries, ts)
 
 		j := i / 200
-		outTS := *(tcFromFile.outTSR[0].TimeSeries[0])
+		outTS := proto.Clone(tcFromFile.outTSR[0].TimeSeries[0]).(*monitoringpb.TimeSeries)
 		outTS.Metric = &googlemetricpb.Metric{
 			Type: tcFromFile.outMDR[0].MetricDescriptor.Type,
 			Labels: map[string]string{
@@ -305,7 +306,7 @@ func TestExportMaxTSPerRequest(t *testing.T) {
 			}
 			tcFromFile.outTSR = append(tcFromFile.outTSR, newOutTSR)
 		}
-		tcFromFile.outTSR[j].TimeSeries = append(tcFromFile.outTSR[j].TimeSeries, &outTS)
+		tcFromFile.outTSR[j].TimeSeries = append(tcFromFile.outTSR[j].TimeSeries, outTS)
 	}
 	executeTestCase(t, tcFromFile, se, server, nil)
 }
@@ -326,10 +327,10 @@ func TestExportMaxTSPerRequestAcrossTwoMetrics(t *testing.T) {
 	for k := 0; k < 2; k++ {
 		for i := 1; i < 250; i++ {
 			v := fmt.Sprintf("value_%d", i+k*250)
-			ts := *tcFromFile.inMetric[k].Timeseries[0]
+			ts := proto.Clone(tcFromFile.inMetric[k].Timeseries[0]).(*metricspb.TimeSeries)
 			lv := &metricspb.LabelValue{Value: v, HasValue: true}
 			ts.LabelValues = []*metricspb.LabelValue{inEmptyValue, lv}
-			tcFromFile.inMetric[k].Timeseries = append(tcFromFile.inMetric[k].Timeseries, &ts)
+			tcFromFile.inMetric[k].Timeseries = append(tcFromFile.inMetric[k].Timeseries, ts)
 		}
 	}
 
@@ -350,7 +351,7 @@ func TestExportMaxTSPerRequestAcrossTwoMetrics(t *testing.T) {
 
 			// pick metric-1 for first 250 time-series and metric-2 for next 250 time-series.
 			mt := tcFromFile.outMDR[k].MetricDescriptor.Type
-			outTS := *(tcFromFile.outTSR[0].TimeSeries[0])
+			outTS := proto.Clone(tcFromFile.outTSR[0].TimeSeries[0]).(*monitoringpb.TimeSeries)
 			outTS.Metric = &googlemetricpb.Metric{
 				Type: mt,
 				Labels: map[string]string{
@@ -364,7 +365,7 @@ func TestExportMaxTSPerRequestAcrossTwoMetrics(t *testing.T) {
 				}
 				tcFromFile.outTSR = append(tcFromFile.outTSR, newOutTSR)
 			}
-			tcFromFile.outTSR[j].TimeSeries = append(tcFromFile.outTSR[j].TimeSeries, &outTS)
+			tcFromFile.outTSR[j].TimeSeries = append(tcFromFile.outTSR[j].TimeSeries, outTS)
 		}
 	}
 	executeTestCase(t, tcFromFile, se, server, nil)