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loki_tenant.go
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loki_tenant.go
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// Copyright (c) 2020 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 logging
import (
"context"
"time"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
kutil "github.com/gardener/gardener/pkg/utils/kubernetes"
"github.com/gardener/gardener/test/framework"
"github.com/gardener/gardener/test/framework/resources/templates"
"github.com/onsi/ginkgo"
appsv1 "k8s.io/api/apps/v1"
extensionsv1beta1 "k8s.io/api/extensions/v1beta1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
"k8s.io/apimachinery/pkg/types"
utilrand "k8s.io/apimachinery/pkg/util/rand"
)
const (
tenantInitializationTimeout = 2 * time.Minute
tenantGetLogsFromLokiTimeout = 5 * time.Minute
tenantLoggerDeploymentCleanupTimeout = 5 * time.Minute
randomLength = 11
userLoggerAppLabel = "kube-logger"
operatorLoggerAppLabel = "logger"
tenantDeltaLogsCount = 0
tenantLogsCount = 100
tenantLogsDuration = "20s"
)
var (
userLoggerName = "kube-apiserver-"
operatorLoggerName = "logger-"
)
var _ = ginkgo.Describe("Seed logging testing", func() {
f := framework.NewShootFramework(nil)
grafanaOperatorsIngress := &extensionsv1beta1.Ingress{}
grafanaUsersIngress := &extensionsv1beta1.Ingress{}
framework.CBeforeEach(func(ctx context.Context) {
checkRequiredResources(ctx, f.SeedClient)
//Get the grafana-operators Ingress
framework.ExpectNoError(f.SeedClient.Client().Get(ctx, types.NamespacedName{Namespace: f.ShootSeedNamespace(), Name: v1beta1constants.DeploymentNameGrafanaOperators}, grafanaOperatorsIngress))
//Get the grafana-users Ingress
framework.ExpectNoError(f.SeedClient.Client().Get(ctx, types.NamespacedName{Namespace: f.ShootSeedNamespace(), Name: v1beta1constants.DeploymentNameGrafanaUsers}, grafanaUsersIngress))
}, tenantInitializationTimeout)
f.Beta().CIt("should get container logs from loki by tenant", func(ctx context.Context) {
userLoggerName = userLoggerName + utilrand.String(randomLength)
userLoggerRegex := userLoggerName + "-.*"
operatorLoggerName = operatorLoggerName + utilrand.String(randomLength)
operatorLoggerRegex := operatorLoggerName + "-.*"
ginkgo.By("Get Loki tenant IDs")
userID := getXScopeOrgID(grafanaUsersIngress.Annotations)
operatorID := getXScopeOrgID(grafanaOperatorsIngress.Annotations)
ginkgo.By("Get existing user Loki tenant IDs")
search, err := f.GetLokiLogs(ctx, userID, f.ShootSeedNamespace(), "pod_name", userLoggerRegex, f.SeedClient)
framework.ExpectNoError(err)
initialUsersLogs, err := getLogCountFromResult(search)
framework.ExpectNoError(err)
expectedUserLogs := tenantLogsCount + initialUsersLogs
ginkgo.By("Get existing operator Loki tenant IDs")
search, err = f.GetLokiLogs(ctx, operatorID, f.ShootSeedNamespace(), "pod_name", operatorLoggerRegex, f.SeedClient)
framework.ExpectNoError(err)
initialOperatorsLogs, err := getLogCountFromResult(search)
framework.ExpectNoError(err)
expectedOperatorLogs := tenantLogsCount + initialOperatorsLogs
ginkgo.By("Deploy the user logger application")
loggerParams := map[string]interface{}{
"LoggerName": userLoggerName,
"HelmDeployNamespace": f.ShootSeedNamespace(),
"AppLabel": userLoggerAppLabel,
"LogsCount": tenantLogsCount,
"LogsDuration": tenantLogsDuration,
}
err = f.RenderAndDeployTemplate(ctx, f.SeedClient, templates.LoggerAppName, loggerParams)
framework.ExpectNoError(err)
ginkgo.By("Deploy the operator logger application")
loggerParams["LoggerName"] = operatorLoggerName
loggerParams["AppLabel"] = operatorLoggerAppLabel
err = f.RenderAndDeployTemplate(ctx, f.SeedClient, templates.LoggerAppName, loggerParams)
framework.ExpectNoError(err)
ginkgo.By("Wait until user logger application is ready")
loggerLabels := labels.SelectorFromSet(labels.Set(map[string]string{
"app": userLoggerAppLabel,
}))
err = f.WaitUntilDeploymentsWithLabelsIsReady(ctx, loggerLabels, f.ShootSeedNamespace(), f.SeedClient)
framework.ExpectNoError(err)
ginkgo.By("Wait until operator logger application is ready")
loggerLabels = labels.SelectorFromSet(labels.Set(map[string]string{
"app": operatorLoggerAppLabel,
}))
err = f.WaitUntilDeploymentsWithLabelsIsReady(ctx, loggerLabels, f.ShootSeedNamespace(), f.SeedClient)
framework.ExpectNoError(err)
ginkgo.By("Verify loki received all user logger application logs")
err = WaitUntilLokiReceivesLogs(ctx, 30*time.Second, f, userID, f.ShootSeedNamespace(), "pod_name", userLoggerRegex, expectedUserLogs, tenantDeltaLogsCount, f.SeedClient)
framework.ExpectNoError(err)
ginkgo.By("Verify loki received all user logger application logs as an operator")
err = WaitUntilLokiReceivesLogs(ctx, 30*time.Second, f, operatorID, f.ShootSeedNamespace(), "pod_name", userLoggerRegex, expectedUserLogs, tenantDeltaLogsCount, f.SeedClient)
framework.ExpectNoError(err)
ginkgo.By("Verify loki received all operator logger application logs")
err = WaitUntilLokiReceivesLogs(ctx, 30*time.Second, f, operatorID, f.ShootSeedNamespace(), "pod_name", operatorLoggerRegex, expectedOperatorLogs, tenantDeltaLogsCount, f.SeedClient)
framework.ExpectNoError(err)
ginkgo.By("Verify that loki will not show the operator logs to the user tenant")
err = WaitUntilLokiReceivesLogs(ctx, 30*time.Second, f, userID, f.ShootSeedNamespace(), "pod_name", operatorLoggerRegex, 0, tenantDeltaLogsCount, f.SeedClient)
framework.ExpectNoError(err)
}, tenantGetLogsFromLokiTimeout, framework.WithCAfterTest(func(ctx context.Context) {
ginkgo.By("Cleaning up user logger app resources")
loggerDeploymentToDelete := &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.ShootSeedNamespace(),
Name: userLoggerName,
},
}
err := kutil.DeleteObject(ctx, f.SeedClient.Client(), loggerDeploymentToDelete)
framework.ExpectNoError(err)
ginkgo.By("Cleaning up operator logger app resources")
loggerDeploymentToDelete = &appsv1.Deployment{
ObjectMeta: metav1.ObjectMeta{
Namespace: f.ShootSeedNamespace(),
Name: operatorLoggerName,
},
}
err = kutil.DeleteObject(ctx, f.SeedClient.Client(), loggerDeploymentToDelete)
framework.ExpectNoError(err)
}, tenantLoggerDeploymentCleanupTimeout))
})