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Signed-off-by: Bence Csati <[email protected]>
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253 changes: 253 additions & 0 deletions
253
e2e/metrics-servicemonitors/metrics_servicemonitors_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,253 @@ | ||
| // Copyright © 2021 Cisco Systems, Inc. and/or its affiliates | ||
| // | ||
| // 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. | ||
|
|
||
| package metrics_servicemonitors_test | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| v1 "github.com/prometheus-operator/prometheus-operator/pkg/apis/monitoring/v1" | ||
| appsv1 "k8s.io/api/apps/v1" | ||
| batchv1 "k8s.io/api/batch/v1" | ||
| corev1 "k8s.io/api/core/v1" | ||
| rbacv1 "k8s.io/api/rbac/v1" | ||
| apiextensionsv1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "sigs.k8s.io/controller-runtime/pkg/cluster" | ||
|
|
||
| "github.com/kube-logging/logging-operator/pkg/sdk/logging/api/v1beta1" | ||
|
|
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| "github.com/kube-logging/logging-operator/e2e/common" | ||
| "github.com/kube-logging/logging-operator/e2e/common/setup" | ||
| "sigs.k8s.io/e2e-framework/third_party/helm" | ||
| ) | ||
|
|
||
| var serviceMonitorNames = map[string]bool{ | ||
| "metrics-test-syslog-ng-metrics": true, | ||
| "metrics-test-syslog-ng-buffer-metrics": true, | ||
| "metrics-test-fluentd-metrics": true, | ||
| "metrics-test-fluentbit-metrics": true, | ||
| } | ||
|
|
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| var TestTempDir string | ||
|
|
||
| func init() { | ||
| var ok bool | ||
| TestTempDir, ok = os.LookupEnv("PROJECT_DIR") | ||
| if !ok { | ||
| TestTempDir = "../.." | ||
| } | ||
| TestTempDir = filepath.Join(TestTempDir, "build/_test") | ||
| err := os.MkdirAll(TestTempDir, os.FileMode(0755)) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| } | ||
|
|
||
| func TestMetrics_ServiceMonitors(t *testing.T) { | ||
| common.Initialize(t) | ||
| ns := "test" | ||
| releaseNameOverride := "e2e" | ||
| common.WithCluster("syslog-ng-metrics", t, func(t *testing.T, c common.Cluster) { | ||
| setup.LoggingOperator(t, c, setup.LoggingOperatorOptionFunc(func(options *setup.LoggingOperatorOptions) { | ||
| options.Namespace = ns | ||
| options.NameOverride = releaseNameOverride | ||
| })) | ||
|
|
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| ctx := context.Background() | ||
|
|
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| err := installPrometheusOperator(c) | ||
| common.RequireNoError(t, err) | ||
|
|
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| logging := v1beta1.Logging{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "metrics-test", | ||
| Namespace: ns, | ||
| }, | ||
| Spec: v1beta1.LoggingSpec{ | ||
| ControlNamespace: ns, | ||
| FluentbitSpec: &v1beta1.FluentbitSpec{ | ||
| Metrics: &v1beta1.Metrics{ | ||
| ServiceMonitor: true, | ||
| }, | ||
| }, | ||
| SyslogNGSpec: &v1beta1.SyslogNGSpec{ | ||
| Metrics: &v1beta1.Metrics{ | ||
| ServiceMonitor: true, | ||
| }, | ||
| BufferVolumeMetrics: &v1beta1.BufferMetrics{ | ||
| Metrics: v1beta1.Metrics{ | ||
| ServiceMonitor: true, | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| common.RequireNoError(t, c.GetClient().Create(ctx, &logging)) | ||
|
|
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| common.RequireNoError(t, checkServiceMonitorAvailability(t, ctx, c, ns)) | ||
|
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| defer startPortForwardingToService(t, "metrics-test-fluentbit-metrics", ns, "2020:2020") | ||
| rawOut, err := getRawOutputFromService(c, "2020", "/api/v1/metrics/prometheus") | ||
| common.RequireNoError(t, err) | ||
|
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| fmt.Print(rawOut) | ||
|
|
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| defer startPortForwardingToService(t, "metrics-test-syslog-ng-metrics", ns, "9577:9577") | ||
| rawOut, err = getRawOutputFromService(c, "9577", "/metrics") | ||
| common.RequireNoError(t, err) | ||
|
|
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| fmt.Print(rawOut) | ||
|
|
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| common.RequireNoError(t, c.GetClient().Delete(ctx, &logging)) | ||
|
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| loggingPatch := v1beta1.Logging{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: "metrics-test", | ||
| Namespace: ns, | ||
| }, | ||
| Spec: v1beta1.LoggingSpec{ | ||
| ControlNamespace: ns, | ||
| FluentbitSpec: &v1beta1.FluentbitSpec{ | ||
| Metrics: &v1beta1.Metrics{ | ||
| ServiceMonitor: true, | ||
| }, | ||
| }, | ||
| FluentdSpec: &v1beta1.FluentdSpec{ | ||
| Metrics: &v1beta1.Metrics{ | ||
| ServiceMonitor: true, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| common.RequireNoError(t, c.GetClient().Create(ctx, &loggingPatch)) | ||
|
|
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| defer startPortForwardingToService(t, "metrics-test-fluentd-metrics", ns, "24231:24231") | ||
| rawOut, err = getRawOutputFromService(c, "24231", "/metrics") | ||
| common.RequireNoError(t, err) | ||
|
|
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| fmt.Print(rawOut) | ||
|
|
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| }, func(t *testing.T, c common.Cluster) error { | ||
| path := filepath.Join(TestTempDir, fmt.Sprintf("cluster-%s.log", t.Name())) | ||
| t.Logf("Printing cluster logs to %s", path) | ||
| err := c.PrintLogs(common.PrintLogConfig{ | ||
| Namespaces: []string{ns, "default"}, | ||
| FilePath: path, | ||
| Limit: 100 * 1000, | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| loggingOperatorName := "logging-operator-" + releaseNameOverride | ||
| t.Logf("Collecting coverage files from logging-operator: %s/%s", ns, loggingOperatorName) | ||
| err = c.CollectTestCoverageFiles(ns, loggingOperatorName) | ||
| if err != nil { | ||
| t.Logf("Failed collecting coverage files: %s", err) | ||
| } | ||
| return err | ||
|
|
||
| }, func(o *cluster.Options) { | ||
| if o.Scheme == nil { | ||
| o.Scheme = runtime.NewScheme() | ||
| } | ||
| common.RequireNoError(t, v1beta1.AddToScheme(o.Scheme)) | ||
| common.RequireNoError(t, apiextensionsv1.AddToScheme(o.Scheme)) | ||
| common.RequireNoError(t, appsv1.AddToScheme(o.Scheme)) | ||
| common.RequireNoError(t, batchv1.AddToScheme(o.Scheme)) | ||
| common.RequireNoError(t, corev1.AddToScheme(o.Scheme)) | ||
| common.RequireNoError(t, rbacv1.AddToScheme(o.Scheme)) | ||
| }) | ||
| } | ||
|
|
||
| func installPrometheusOperator(c common.Cluster) error { | ||
| manager := helm.New(c.KubeConfigFilePath()) | ||
|
|
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| err := manager.RunRepo(helm.WithArgs("add", "prometheus-community", "https://prometheus-community.github.io/helm-charts")) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| err = manager.RunInstall( | ||
| helm.WithName("prometheus"), | ||
| helm.WithChart("prometheus-community/kube-prometheus-stack"), | ||
| helm.WithArgs("--create-namespace"), | ||
| helm.WithNamespace("monitoring"), | ||
| helm.WithArgs("--set", "prometheus.prometheusSpec.serviceMonitorSelectorNilUsesHelmValues=false"), | ||
| helm.WithArgs("--set", "prometheus.prometheusSpec.podMonitorSelectorNilUsesHelmValues=false"), | ||
| helm.WithWait(), | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| func checkServiceMonitorAvailability(t *testing.T, ctx context.Context, c common.Cluster, ns string) error { | ||
| serviceMonitors := &v1.ServiceMonitorList{} | ||
| common.RequireNoError(t, c.GetClient().List(ctx, serviceMonitors)) | ||
|
|
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| for _, sm := range serviceMonitors.Items { | ||
| if sm.Namespace == ns { | ||
| delete(serviceMonitorNames, sm.Name) | ||
| } | ||
| } | ||
|
|
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| var errorMsg strings.Builder | ||
| for name := range serviceMonitorNames { | ||
| errorMsg.WriteString(fmt.Sprintf("ServiceMonitor %s not found\n", name)) | ||
| } | ||
|
|
||
| if errorMsg.Len() > 0 { | ||
| return errors.New(errorMsg.String()) | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
|
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| func startPortForwardingToService(t *testing.T, svcName, ns, portMapping string) func() { | ||
| args := []string{"port-forward", fmt.Sprintf("svc/%s", svcName), portMapping, "-n", ns} | ||
| cmd := exec.Command("kubectl", args...) | ||
| cmd.Stderr = os.Stderr // Redirect stderr to test output | ||
| err := cmd.Start() | ||
| common.RequireNoError(t, err) | ||
|
|
||
| // Wait for port forwarding to be established | ||
| time.Sleep(5 * time.Second) | ||
|
|
||
| return func() { | ||
| _ = cmd.Process.Kill() | ||
| } | ||
| } | ||
|
|
||
| func getRawOutputFromService(c common.Cluster, port, path string) ([]byte, error) { | ||
| cmd := common.CmdEnv(exec.Command("curl", fmt.Sprintf("localhost:%s%s", port, path)), c) | ||
| rawOut, err := cmd.Output() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return rawOut, nil | ||
| } |