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certificate_authorities.go
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/
certificate_authorities.go
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// Copyright 2022 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 rotation
import (
"context"
"time"
. "github.com/onsi/ginkgo/v2"
. "github.com/onsi/gomega"
corev1 "k8s.io/api/core/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
gardencorev1beta1 "github.com/gardener/gardener/pkg/apis/core/v1beta1"
v1beta1constants "github.com/gardener/gardener/pkg/apis/core/v1beta1/constants"
operatorv1alpha1 "github.com/gardener/gardener/pkg/apis/operator/v1alpha1"
"github.com/gardener/gardener/pkg/apis/operator/v1alpha1/helper"
"github.com/gardener/gardener/test/utils/rotation"
)
// CAVerifier verifies the certificate authorities rotation.
type CAVerifier struct {
RuntimeClient client.Client
Garden *operatorv1alpha1.Garden
secretsBefore rotation.SecretConfigNamesToSecrets
secretsPrepared rotation.SecretConfigNamesToSecrets
secretsCompleted rotation.SecretConfigNamesToSecrets
}
var allCAs = []string{
caCluster,
caClient,
caETCD,
caETCDPeer,
caFrontProxy,
caGardener,
}
const (
caCluster = "ca"
caClient = "ca-client"
caETCD = "ca-etcd"
caETCDPeer = "ca-etcd-peer"
caFrontProxy = "ca-front-proxy"
caGardener = "ca-gardener"
)
// Before is called before the rotation is started.
func (v *CAVerifier) Before(ctx context.Context) {
By("Verify CA secrets of gardener-operator before rotation")
Eventually(func(g Gomega) {
secretList := &corev1.SecretList{}
g.Expect(v.RuntimeClient.List(ctx, secretList, client.InNamespace(v1beta1constants.GardenNamespace), ManagedByGardenerOperatorSecretsManager)).To(Succeed())
grouped := rotation.GroupByName(secretList.Items)
for _, ca := range allCAs {
bundle := ca + "-bundle"
g.Expect(grouped[ca]).To(HaveLen(1), ca+" secret should get created, but not rotated yet")
g.Expect(grouped[bundle]).To(HaveLen(1), ca+" bundle secret should get created, but not rotated yet")
}
v.secretsBefore = grouped
}).Should(Succeed())
}
// ExpectPreparingStatus is called while waiting for the Preparing status.
func (v *CAVerifier) ExpectPreparingStatus(g Gomega) {
g.Expect(helper.GetCARotationPhase(v.Garden.Status.Credentials)).To(Equal(gardencorev1beta1.RotationPreparing))
g.Expect(time.Now().UTC().Sub(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationTime.Time.UTC())).To(BeNumerically("<=", time.Minute))
g.Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationFinishedTime).To(BeNil())
g.Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastCompletionTriggeredTime).To(BeNil())
}
// AfterPrepared is called when the Shoot is in Prepared status.
func (v *CAVerifier) AfterPrepared(ctx context.Context) {
Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.Phase).To(Equal(gardencorev1beta1.RotationPrepared), "ca rotation phase should be 'Prepared'")
Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationFinishedTime).NotTo(BeNil())
Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationFinishedTime.After(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationTime.Time)).To(BeTrue())
By("Verify CA secrets of gardener-operator after preparation")
Eventually(func(g Gomega) {
secretList := &corev1.SecretList{}
g.Expect(v.RuntimeClient.List(ctx, secretList, client.InNamespace(v1beta1constants.GardenNamespace), ManagedByGardenerOperatorSecretsManager)).To(Succeed())
grouped := rotation.GroupByName(secretList.Items)
for _, ca := range allCAs {
bundle := ca + "-bundle"
g.Expect(grouped[ca]).To(HaveLen(2), ca+" secret should get rotated, but old CA is kept")
g.Expect(grouped[bundle]).To(HaveLen(1), ca+" bundle secret should have changed")
g.Expect(grouped[ca]).To(ContainElement(v.secretsBefore[ca][0]), "old "+ca+" secret should be kept")
g.Expect(grouped[bundle]).To(Not(ContainElement(v.secretsBefore[bundle][0])), "old "+ca+" bundle should get cleaned up")
}
v.secretsPrepared = grouped
}).Should(Succeed())
}
// ExpectCompletingStatus is called while waiting for the Completing status.
func (v *CAVerifier) ExpectCompletingStatus(g Gomega) {
g.Expect(helper.GetCARotationPhase(v.Garden.Status.Credentials)).To(Equal(gardencorev1beta1.RotationCompleting))
Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastCompletionTriggeredTime).NotTo(BeNil())
Expect(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastCompletionTriggeredTime.Time.Equal(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationFinishedTime.Time) ||
v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastCompletionTriggeredTime.After(v.Garden.Status.Credentials.Rotation.CertificateAuthorities.LastInitiationFinishedTime.Time)).To(BeTrue())
}
// AfterCompleted is called when the Shoot is in Completed status.
func (v *CAVerifier) AfterCompleted(ctx context.Context) {
caRotation := v.Garden.Status.Credentials.Rotation.CertificateAuthorities
Expect(helper.GetCARotationPhase(v.Garden.Status.Credentials)).To(Equal(gardencorev1beta1.RotationCompleted))
Expect(caRotation.LastCompletionTime.Time.UTC().After(caRotation.LastInitiationTime.Time.UTC())).To(BeTrue())
Expect(caRotation.LastInitiationFinishedTime).To(BeNil())
Expect(caRotation.LastCompletionTriggeredTime).To(BeNil())
By("Verify CA secrets of gardener-operator after completion")
Eventually(func(g Gomega) {
secretList := &corev1.SecretList{}
g.Expect(v.RuntimeClient.List(ctx, secretList, client.InNamespace(v1beta1constants.GardenNamespace), ManagedByGardenerOperatorSecretsManager)).To(Succeed())
grouped := rotation.GroupByName(secretList.Items)
for _, ca := range allCAs {
bundle := ca + "-bundle"
g.Expect(grouped[ca]).To(HaveLen(1), "old "+ca+" secret should get cleaned up")
g.Expect(grouped[bundle]).To(HaveLen(1), ca+" bundle secret should have changed")
g.Expect(grouped[ca]).To(ContainElement(v.secretsPrepared[ca][1]), "new "+ca+" secret should be kept")
g.Expect(grouped[bundle]).To(Not(ContainElement(v.secretsPrepared[bundle][0])), "combined "+ca+" bundle should get cleaned up")
}
v.secretsCompleted = grouped
}).Should(Succeed())
}