/
shoot_care.go
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/
shoot_care.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.
/**
Overview
- Tests the Care Controller in the Gardenlet
Prerequisite
- Shoot Cluster with Condition "APIServerAvailable" equals true
Test: Scale down API Server deployment of the Shoot in the Seed
Expected Output
- Shoot Condition "APIServerAvailable" becomes unhealthy
**/
package care
import (
"context"
"time"
"github.com/onsi/ginkgo"
"github.com/onsi/gomega"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
gardencorev1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
"github.com/gardener/gardener/pkg/apis/core/v1beta1/helper"
"github.com/gardener/gardener/test/framework"
)
const (
timeout = 10 * time.Minute
)
var _ = ginkgo.Describe("Shoot Care testing", func() {
var (
f = framework.NewShootFramework(nil)
origReplicas *int32
err error
)
f.Default().Serial().CIt("Should observe failed health condition in the Shoot when scaling down the API Server of the Shoot", func(ctx context.Context) {
cond := helper.GetCondition(f.Shoot.Status.Conditions, gardencorev1beta1.ShootAPIServerAvailable)
gomega.Expect(cond).ToNot(gomega.BeNil())
gomega.Expect(cond.Status).To(gomega.Equal(gardencorev1beta1.ConditionTrue))
zero := int32(0)
origReplicas, err = framework.ScaleDeployment(ctx, f.SeedClient.Client(), &zero, gardencorev1beta1constants.DeploymentNameKubeAPIServer, f.ShootSeedNamespace())
gomega.Expect(err).ToNot(gomega.HaveOccurred())
// wait for unhealthy condition
err = f.WaitForShootCondition(ctx, 20*time.Second, 5*time.Minute, gardencorev1beta1.ShootAPIServerAvailable, gardencorev1beta1.ConditionFalse)
gomega.Expect(err).ToNot(gomega.HaveOccurred())
}, timeout, framework.WithCAfterTest(func(ctx context.Context) {
if origReplicas != nil {
f.Logger.Infof("Test cleanup: Scale API Server to '%d' replicas again", *origReplicas)
origReplicas, err = framework.ScaleDeployment(ctx, f.SeedClient.Client(), origReplicas, gardencorev1beta1constants.DeploymentNameKubeAPIServer, f.ShootSeedNamespace())
gomega.Expect(err).ToNot(gomega.HaveOccurred())
// wait for healthy condition
f.Logger.Infof("Test cleanup: wait for Shoot Health condition '%s' to become healthy again", gardencorev1beta1.ShootAPIServerAvailable)
err = f.WaitForShootCondition(ctx, 20*time.Second, 5*time.Minute, gardencorev1beta1.ShootAPIServerAvailable, gardencorev1beta1.ConditionTrue)
gomega.Expect(err).ToNot(gomega.HaveOccurred())
f.Logger.Info("Test cleanup successful")
}
}, timeout))
})