mirror of https://github.com/knative/pkg.git
369 lines
12 KiB
Go
369 lines
12 KiB
Go
/*
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Copyright 2019 The Knative Authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package metrics
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import (
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"path"
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"testing"
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"contrib.go.opencensus.io/exporter/stackdriver"
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"go.opencensus.io/stats"
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"go.opencensus.io/stats/view"
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"go.opencensus.io/tag"
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. "knative.dev/pkg/logging/testing"
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"knative.dev/pkg/metrics/metricskey"
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)
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// TODO UTs should move to eventing and serving, as appropriate.
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// See https://github.com/knative/pkg/issues/608
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var (
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testGcpMetadata = gcpMetadata{
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project: "test-project",
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location: "test-location",
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cluster: "test-cluster",
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}
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supportedServingMetricsTestCases = []struct {
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name string
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domain string
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component string
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metricName string
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}{{
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name: "activator metric",
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domain: servingDomain,
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component: "activator",
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metricName: "request_count",
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}, {
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name: "autoscaler metric",
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domain: servingDomain,
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component: "autoscaler",
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metricName: "desired_pods",
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}}
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supportedEventingBrokerMetricsTestCases = []struct {
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name string
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domain string
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component string
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metricName string
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}{{
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name: "broker metric",
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domain: eventingDomain,
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component: "broker",
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metricName: "event_count",
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}}
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supportedEventingTriggerMetricsTestCases = []struct {
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name string
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domain string
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component string
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metricName string
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}{{
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name: "trigger metric",
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domain: eventingDomain,
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component: "trigger",
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metricName: "event_count",
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}, {
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name: "trigger metric",
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domain: eventingDomain,
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component: "trigger",
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metricName: "event_processing_latencies",
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}, {
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name: "trigger metric",
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domain: eventingDomain,
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component: "trigger",
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metricName: "event_dispatch_latencies",
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}}
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supportedEventingSourceMetricsTestCases = []struct {
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name string
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domain string
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component string
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metricName string
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}{{
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name: "source metric",
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domain: eventingDomain,
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component: "source",
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metricName: "event_count",
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}}
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unsupportedMetricsTestCases = []struct {
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name string
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domain string
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component string
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metricName string
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}{{
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name: "unsupported domain",
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domain: "unsupported",
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component: "activator",
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metricName: "request_count",
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}, {
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name: "unsupported component",
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domain: servingDomain,
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component: "unsupported",
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metricName: "request_count",
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}, {
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name: "unsupported metric",
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domain: servingDomain,
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component: "activator",
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metricName: "unsupported",
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}, {
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name: "unsupported component",
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domain: eventingDomain,
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component: "unsupported",
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metricName: "event_count",
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}, {
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name: "unsupported metric",
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domain: eventingDomain,
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component: "broker",
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metricName: "unsupported",
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}}
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)
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func fakeGcpMetadataFun() *gcpMetadata {
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return &testGcpMetadata
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}
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type fakeExporter struct{}
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func (fe *fakeExporter) ExportView(vd *view.Data) {}
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func (fe *fakeExporter) Flush() {}
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func newFakeExporter(o stackdriver.Options) (view.Exporter, error) {
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return &fakeExporter{}, nil
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}
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func TestGetMonitoredResourceFunc_UseKnativeRevision(t *testing.T) {
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for _, testCase := range supportedServingMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitNone),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mrf := getMonitoredResourceFunc(path.Join(testCase.domain, testCase.component), &testGcpMetadata)
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newTags, monitoredResource := mrf(testView, revisionTestTags)
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gotResType, labels := monitoredResource.MonitoredResource()
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wantedResType := "knative_revision"
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if gotResType != wantedResType {
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t.Fatalf("MonitoredResource=%v, want %v", gotResType, wantedResType)
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}
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got := getResourceLabelValue(metricskey.LabelRouteName, newTags)
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if got != testRoute {
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t.Errorf("expected new tag: %v, got: %v", routeKey, newTags)
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}
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got, ok := labels[metricskey.LabelNamespaceName]
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if !ok || got != testNS {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelNamespaceName, testNS, got)
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}
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got, ok = labels[metricskey.LabelConfigurationName]
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if !ok || got != metricskey.ValueUnknown {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelConfigurationName, metricskey.ValueUnknown, got)
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}
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}
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}
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func TestGetMonitoredResourceFunc_UseKnativeBroker(t *testing.T) {
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for _, testCase := range supportedEventingBrokerMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitDimensionless),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mrf := getMonitoredResourceFunc(path.Join(testCase.domain, testCase.component), &testGcpMetadata)
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newTags, monitoredResource := mrf(testView, brokerTestTags)
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gotResType, labels := monitoredResource.MonitoredResource()
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wantedResType := "knative_broker"
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if gotResType != wantedResType {
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t.Fatalf("MonitoredResource=%v, want %v", gotResType, wantedResType)
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}
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got := getResourceLabelValue(metricskey.LabelEventType, newTags)
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if got != testEventType {
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t.Errorf("expected new tag: %v, got: %v", eventTypeKey, newTags)
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}
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got = getResourceLabelValue(metricskey.LabelEventSource, newTags)
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if got != testEventSource {
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t.Errorf("expected new tag: %v, got: %v", eventSourceKey, newTags)
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}
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got, ok := labels[metricskey.LabelNamespaceName]
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if !ok || got != testNS {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelNamespaceName, testNS, got)
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}
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got, ok = labels[metricskey.LabelName]
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if !ok || got != testBroker {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelBrokerName, testBroker, got)
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}
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}
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}
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func TestGetMonitoredResourceFunc_UseKnativeTrigger(t *testing.T) {
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for _, testCase := range supportedEventingTriggerMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitDimensionless),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mrf := getMonitoredResourceFunc(path.Join(testCase.domain, testCase.component), &testGcpMetadata)
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newTags, monitoredResource := mrf(testView, triggerTestTags)
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gotResType, labels := monitoredResource.MonitoredResource()
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wantedResType := "knative_trigger"
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if gotResType != wantedResType {
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t.Fatalf("MonitoredResource=%v, want %v", gotResType, wantedResType)
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}
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got := getResourceLabelValue(metricskey.LabelFilterType, newTags)
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if got != testFilterType {
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t.Errorf("expected new tag: %v, got: %v", filterTypeKey, newTags)
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}
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got = getResourceLabelValue(metricskey.LabelFilterSource, newTags)
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if got != testFilterSource {
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t.Errorf("expected new tag: %v, got: %v", filterSourceKey, newTags)
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}
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got, ok := labels[metricskey.LabelNamespaceName]
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if !ok || got != testNS {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelNamespaceName, testNS, got)
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}
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got, ok = labels[metricskey.LabelBrokerName]
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if !ok || got != testBroker {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelBrokerName, testBroker, got)
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}
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}
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}
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func TestGetMonitoredResourceFunc_UseKnativeSource(t *testing.T) {
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for _, testCase := range supportedEventingSourceMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitDimensionless),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mrf := getMonitoredResourceFunc(path.Join(testCase.domain, testCase.component), &testGcpMetadata)
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newTags, monitoredResource := mrf(testView, sourceTestTags)
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gotResType, labels := monitoredResource.MonitoredResource()
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wantedResType := "knative_source"
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if gotResType != wantedResType {
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t.Fatalf("MonitoredResource=%v, want %v", gotResType, wantedResType)
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}
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got := getResourceLabelValue(metricskey.LabelEventType, newTags)
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if got != testEventType {
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t.Errorf("expected new tag: %v, got: %v", eventTypeKey, newTags)
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}
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got = getResourceLabelValue(metricskey.LabelEventSource, newTags)
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if got != testEventSource {
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t.Errorf("expected new tag: %v, got: %v", eventSourceKey, newTags)
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}
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got, ok := labels[metricskey.LabelNamespaceName]
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if !ok || got != testNS {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelNamespaceName, testNS, got)
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}
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got, ok = labels[metricskey.LabelName]
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if !ok || got != testSource {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelName, testSource, got)
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}
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got, ok = labels[metricskey.LabelResourceGroup]
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if !ok || got != testSourceResourceGroup {
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t.Errorf("expected label %v with value %v, got: %v", metricskey.LabelResourceGroup, testSourceResourceGroup, got)
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}
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}
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}
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func TestGetMonitoredResourceFunc_UseGlobal(t *testing.T) {
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for _, testCase := range unsupportedMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitNone),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mrf := getMonitoredResourceFunc(path.Join(testCase.domain, testCase.component), &testGcpMetadata)
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newTags, monitoredResource := mrf(testView, revisionTestTags)
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gotResType, labels := monitoredResource.MonitoredResource()
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wantedResType := "global"
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if gotResType != wantedResType {
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t.Fatalf("MonitoredResource=%v, want: %v", gotResType, wantedResType)
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}
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got := getResourceLabelValue(metricskey.LabelNamespaceName, newTags)
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if got != testNS {
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t.Errorf("expected new tag %v with value %v, got: %v", routeKey, testNS, newTags)
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}
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if len(labels) != 0 {
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t.Errorf("expected no label, got: %v", labels)
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}
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}
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}
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func TestGetgetMetricTypeFunc_UseKnativeDomain(t *testing.T) {
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for _, testCase := range supportedServingMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitNone),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mtf := getMetricTypeFunc(
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path.Join(testCase.domain, testCase.component),
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path.Join(defaultCustomMetricSubDomain, testCase.component))
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gotMetricType := mtf(testView)
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wantedMetricType := path.Join(testCase.domain, testCase.component, testView.Measure.Name())
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if gotMetricType != wantedMetricType {
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t.Fatalf("getMetricType=%v, want %v", gotMetricType, wantedMetricType)
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}
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}
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}
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func TestGetgetMetricTypeFunc_UseCustomDomain(t *testing.T) {
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for _, testCase := range unsupportedMetricsTestCases {
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testView = &view.View{
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Description: "Test View",
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Measure: stats.Int64(testCase.metricName, "Test Measure", stats.UnitNone),
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Aggregation: view.LastValue(),
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TagKeys: []tag.Key{},
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}
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mtf := getMetricTypeFunc(
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path.Join(testCase.domain, testCase.component),
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path.Join(defaultCustomMetricSubDomain, testCase.component))
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gotMetricType := mtf(testView)
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wantedMetricType := path.Join(defaultCustomMetricSubDomain, testCase.component, testView.Measure.Name())
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if gotMetricType != wantedMetricType {
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t.Fatalf("getMetricType=%v, want %v", gotMetricType, wantedMetricType)
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}
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}
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}
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func TestNewStackdriverExporterWithMetadata(t *testing.T) {
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e, err := newStackdriverExporter(&metricsConfig{
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domain: servingDomain,
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component: "autoscaler",
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backendDestination: Stackdriver,
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stackdriverProjectID: testProj}, TestLogger(t))
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if err != nil {
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t.Error(err)
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}
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if e == nil {
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t.Error("expected a non-nil metrics exporter")
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}
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}
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