607 lines
18 KiB
Go
607 lines
18 KiB
Go
/*
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Copyright 2021 The Flux 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 controller
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import (
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"context"
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"fmt"
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"strings"
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"testing"
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"time"
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"github.com/fluxcd/pkg/apis/kustomize"
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"github.com/fluxcd/pkg/apis/meta"
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"github.com/fluxcd/pkg/testserver"
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sourcev1 "github.com/fluxcd/source-controller/api/v1"
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. "github.com/onsi/gomega"
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appsv1 "k8s.io/api/apps/v1"
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corev1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"sigs.k8s.io/controller-runtime/pkg/client"
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kustomizev1 "github.com/fluxcd/kustomize-controller/api/v1"
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)
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func TestKustomizationReconciler_CommonMetadata(t *testing.T) {
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g := NewWithT(t)
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id := "cm-" + randStringRunes(5)
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revision := "v1.0.0"
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resultK := &kustomizev1.Kustomization{}
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err := createNamespace(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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err = createKubeConfigSecret(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create kubeconfig secret")
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manifests := func(name string) []testserver.File {
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return []testserver.File{
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{
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Name: "config.yaml",
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Body: fmt.Sprintf(`---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: %[1]s
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annotations:
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tenant: test
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data:
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key: val
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`, name),
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},
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}
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}
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artifact, err := testServer.ArtifactFromFiles(manifests(id))
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g.Expect(err).NotTo(HaveOccurred())
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repositoryName := types.NamespacedName{
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Name: fmt.Sprintf("cm-%s", randStringRunes(5)),
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Namespace: id,
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}
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err = applyGitRepository(repositoryName, artifact, revision)
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g.Expect(err).NotTo(HaveOccurred())
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kustomizationKey := types.NamespacedName{
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Name: fmt.Sprintf("cm-%s", randStringRunes(5)),
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Namespace: id,
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}
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kustomization := &kustomizev1.Kustomization{
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ObjectMeta: metav1.ObjectMeta{
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Name: kustomizationKey.Name,
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Namespace: kustomizationKey.Namespace,
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},
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Spec: kustomizev1.KustomizationSpec{
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Interval: metav1.Duration{Duration: 2 * time.Minute},
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Path: "./",
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KubeConfig: &meta.KubeConfigReference{
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SecretRef: meta.SecretKeyReference{
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Name: "kubeconfig",
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},
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},
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SourceRef: kustomizev1.CrossNamespaceSourceReference{
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Name: repositoryName.Name,
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Namespace: repositoryName.Namespace,
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Kind: sourcev1.GitRepositoryKind,
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},
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CommonMetadata: &kustomizev1.CommonMetadata{
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Annotations: map[string]string{
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"tenant": id,
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},
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Labels: map[string]string{
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"tenant": id,
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},
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},
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TargetNamespace: id,
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},
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}
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g.Expect(k8sClient.Create(context.Background(), kustomization)).To(Succeed())
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t.Run("sets labels and annotations", func(t *testing.T) {
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g := NewWithT(t)
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g.Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), resultK)
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return isReconcileSuccess(resultK)
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}, timeout, time.Second).Should(BeTrue())
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kstatusCheck.CheckErr(ctx, resultK)
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var cm corev1.ConfigMap
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g.Expect(k8sClient.Get(context.Background(), client.ObjectKey{Name: id, Namespace: id}, &cm)).To(Succeed())
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g.Expect(cm.GetLabels()).To(HaveKeyWithValue("tenant", id))
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g.Expect(cm.GetAnnotations()).To(HaveKeyWithValue("tenant", id))
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})
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t.Run("removes labels and annotations", func(t *testing.T) {
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g := NewWithT(t)
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resultK.Spec.CommonMetadata = nil
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g.Expect(k8sClient.Update(context.Background(), resultK)).To(Succeed())
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g.Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), resultK)
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return isReconcileSuccess(resultK)
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}, timeout, time.Second).Should(BeTrue())
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kstatusCheck.CheckErr(ctx, resultK)
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var cm corev1.ConfigMap
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g.Expect(k8sClient.Get(context.Background(), client.ObjectKey{Name: id, Namespace: id}, &cm)).To(Succeed())
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g.Expect(cm.GetLabels()).ToNot(HaveKeyWithValue("tenant", id))
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g.Expect(cm.GetAnnotations()).ToNot(HaveKeyWithValue("tenant", id))
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})
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}
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func TestKustomizationReconciler_NamePrefixSuffix(t *testing.T) {
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g := NewWithT(t)
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id := "np-" + randStringRunes(5)
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revision := "v1.0.0"
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resultK := &kustomizev1.Kustomization{}
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err := createNamespace(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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err = createKubeConfigSecret(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create kubeconfig secret")
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manifests := func(name string) []testserver.File {
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return []testserver.File{
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{
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Name: "config.yaml",
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Body: fmt.Sprintf(`---
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apiVersion: v1
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kind: ConfigMap
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metadata:
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name: %[1]s
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annotations:
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tenant: test
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data:
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key: val
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`, name),
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},
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}
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}
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artifact, err := testServer.ArtifactFromFiles(manifests(id))
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g.Expect(err).NotTo(HaveOccurred())
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repositoryName := types.NamespacedName{
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Name: fmt.Sprintf("cm-%s", randStringRunes(5)),
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Namespace: id,
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}
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err = applyGitRepository(repositoryName, artifact, revision)
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g.Expect(err).NotTo(HaveOccurred())
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kustomizationKey := types.NamespacedName{
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Name: fmt.Sprintf("cm-%s", randStringRunes(5)),
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Namespace: id,
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}
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kustomization := &kustomizev1.Kustomization{
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ObjectMeta: metav1.ObjectMeta{
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Name: kustomizationKey.Name,
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Namespace: kustomizationKey.Namespace,
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},
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Spec: kustomizev1.KustomizationSpec{
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Interval: metav1.Duration{Duration: 2 * time.Minute},
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Path: "./",
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KubeConfig: &meta.KubeConfigReference{
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SecretRef: meta.SecretKeyReference{
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Name: "kubeconfig",
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},
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},
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SourceRef: kustomizev1.CrossNamespaceSourceReference{
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Name: repositoryName.Name,
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Namespace: repositoryName.Namespace,
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Kind: sourcev1.GitRepositoryKind,
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},
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NamePrefix: "prefix-",
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NameSuffix: "-suffix",
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TargetNamespace: id,
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},
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}
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g.Expect(k8sClient.Create(context.Background(), kustomization)).To(Succeed())
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t.Run("sets name prefix and suffix", func(t *testing.T) {
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g := NewWithT(t)
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g.Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), resultK)
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return isReconcileSuccess(resultK)
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}, timeout, time.Second).Should(BeTrue())
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kstatusCheck.CheckErr(ctx, resultK)
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name := fmt.Sprintf("prefix-%s-suffix", id)
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var cm corev1.ConfigMap
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g.Expect(k8sClient.Get(context.Background(), client.ObjectKey{Name: name, Namespace: id}, &cm)).To(Succeed())
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})
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}
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func TestKustomizationReconciler_KustomizeTransformer(t *testing.T) {
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g := NewWithT(t)
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id := "transformers-" + randStringRunes(5)
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err := createNamespace(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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err = createKubeConfigSecret(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create kubeconfig secret")
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deployNamespace := "transformers-inline"
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err = createNamespace(deployNamespace)
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g.Expect(err).NotTo(HaveOccurred())
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artifactFile := "patch-" + randStringRunes(5)
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artifactChecksum, err := testServer.ArtifactFromDir("testdata/transformers", artifactFile)
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g.Expect(err).ToNot(HaveOccurred())
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repositoryName := types.NamespacedName{
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Name: randStringRunes(5),
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Namespace: id,
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}
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err = applyGitRepository(repositoryName, artifactFile, "main/"+artifactChecksum)
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g.Expect(err).NotTo(HaveOccurred())
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kustomizationKey := types.NamespacedName{
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Name: "patch-" + randStringRunes(5),
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Namespace: id,
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}
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kustomization := &kustomizev1.Kustomization{
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ObjectMeta: metav1.ObjectMeta{
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Name: kustomizationKey.Name,
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Namespace: kustomizationKey.Namespace,
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},
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Spec: kustomizev1.KustomizationSpec{
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Interval: metav1.Duration{Duration: reconciliationInterval},
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Path: "./",
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KubeConfig: &meta.KubeConfigReference{
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SecretRef: meta.SecretKeyReference{
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Name: "kubeconfig",
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},
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},
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SourceRef: kustomizev1.CrossNamespaceSourceReference{
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Name: repositoryName.Name,
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Namespace: repositoryName.Namespace,
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Kind: sourcev1.GitRepositoryKind,
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},
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},
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}
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g.Expect(k8sClient.Create(context.TODO(), kustomization)).To(Succeed())
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g.Eventually(func() bool {
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var obj kustomizev1.Kustomization
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_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), &obj)
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return obj.Status.LastAppliedRevision == "main/"+artifactChecksum
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}, timeout, time.Second).Should(BeTrue())
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quota := &corev1.ResourceQuota{}
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t.Run("namespace and prefix transformers", func(t *testing.T) {
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g.Expect(k8sClient.Get(context.TODO(), client.ObjectKey{
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Name: "test-common-transform",
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Namespace: deployNamespace,
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}, quota)).To(Succeed())
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})
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t.Run("replacement transformer", func(t *testing.T) {
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val := quota.Spec.Hard[corev1.ResourceLimitsMemory]
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g.Expect(val.String()).To(Equal("24Gi"))
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})
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t.Run("annotations transformer", func(t *testing.T) {
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g.Expect(quota.Annotations["test"]).To(Equal("annotations"))
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})
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t.Run("label transformer", func(t *testing.T) {
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g.Expect(quota.Labels["test"]).To(Equal("labels"))
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})
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t.Run("configmap generator", func(t *testing.T) {
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var configMapList corev1.ConfigMapList
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g.Expect(k8sClient.List(context.TODO(), &configMapList)).To(Succeed())
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g.Expect(checkConfigMap(&configMapList, "test-metas-transform")).To(Equal(true))
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})
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t.Run("secret generator", func(t *testing.T) {
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var secretList corev1.SecretList
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g.Expect(k8sClient.List(context.TODO(), &secretList)).To(Succeed())
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g.Expect(checkSecret(&secretList, "test-secret-transform")).To(Equal(true))
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})
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deployment := &appsv1.Deployment{}
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g.Expect(k8sClient.Get(context.TODO(), types.NamespacedName{
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Name: "test-podinfo-transform",
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Namespace: deployNamespace,
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}, deployment)).To(Succeed())
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t.Run("patch6902 transformer", func(t *testing.T) {
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g.Expect(deployment.Labels["patch"]).To(Equal("json6902"))
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})
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t.Run("patches transformer", func(t *testing.T) {
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g.Expect(deployment.Labels["app.kubernetes.io/version"]).To(Equal("1.21.0"))
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})
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t.Run("patchStrategicMerge transformer", func(t *testing.T) {
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g.Expect(deployment.Spec.Template.Spec.ServiceAccountName).
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To(Equal("test"))
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})
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t.Run("image transformer", func(t *testing.T) {
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g.Expect(deployment.Spec.Template.Spec.Containers[0].Image).
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To(Equal("podinfo:6.0.0"))
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})
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t.Run("replica transformer", func(t *testing.T) {
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g.Expect(int(*deployment.Spec.Replicas)).
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To(Equal(2))
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})
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}
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func TestKustomizationReconciler_KustomizeTransformerFiles(t *testing.T) {
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g := NewWithT(t)
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id := "transformers-" + randStringRunes(5)
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err := createNamespace(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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err = createKubeConfigSecret(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create kubeconfig secret")
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deployNamespace := "transformer-files"
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err = createNamespace(deployNamespace)
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g.Expect(err).NotTo(HaveOccurred())
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artifactFile := "patch-" + randStringRunes(5)
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artifactChecksum, err := testServer.ArtifactFromDir("testdata/file-transformer", artifactFile)
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g.Expect(err).ToNot(HaveOccurred())
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repositoryName := types.NamespacedName{
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Name: randStringRunes(5),
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Namespace: id,
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}
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err = applyGitRepository(repositoryName, artifactFile, "main/"+artifactChecksum)
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g.Expect(err).NotTo(HaveOccurred())
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kustomizationKey := types.NamespacedName{
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Name: "patch-" + randStringRunes(5),
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Namespace: id,
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}
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kustomization := &kustomizev1.Kustomization{
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ObjectMeta: metav1.ObjectMeta{
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Name: kustomizationKey.Name,
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Namespace: kustomizationKey.Namespace,
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},
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Spec: kustomizev1.KustomizationSpec{
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Interval: metav1.Duration{Duration: reconciliationInterval},
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Path: "./",
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KubeConfig: &meta.KubeConfigReference{
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SecretRef: meta.SecretKeyReference{
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Name: "kubeconfig",
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},
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},
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SourceRef: kustomizev1.CrossNamespaceSourceReference{
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Name: repositoryName.Name,
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Namespace: repositoryName.Namespace,
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Kind: sourcev1.GitRepositoryKind,
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},
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},
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}
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g.Expect(k8sClient.Create(context.TODO(), kustomization)).To(Succeed())
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g.Eventually(func() bool {
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var obj kustomizev1.Kustomization
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_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), &obj)
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return obj.Status.LastAppliedRevision == "main/"+artifactChecksum
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}, timeout, time.Second).Should(BeTrue())
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quota := &corev1.ResourceQuota{}
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t.Run("namespace and prefix transformers", func(t *testing.T) {
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g.Expect(k8sClient.Get(context.TODO(), client.ObjectKey{
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Name: "test-common-transform",
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Namespace: deployNamespace,
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}, quota)).To(Succeed())
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})
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t.Run("replacement transformer", func(t *testing.T) {
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val := quota.Spec.Hard[corev1.ResourceLimitsMemory]
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g.Expect(val.String()).To(Equal("24Gi"))
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})
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t.Run("annotations transformer", func(t *testing.T) {
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g.Expect(quota.Annotations["test"]).To(Equal("annotations"))
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})
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t.Run("label transformer", func(t *testing.T) {
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g.Expect(quota.Labels["test"]).To(Equal("labels"))
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})
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t.Run("configmap generator", func(t *testing.T) {
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var configMapList corev1.ConfigMapList
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g.Expect(k8sClient.List(context.TODO(), &configMapList)).To(Succeed())
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g.Expect(checkConfigMap(&configMapList, "test-metas-transform")).To(Equal(true))
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})
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t.Run("secret generator", func(t *testing.T) {
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var secretList corev1.SecretList
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g.Expect(k8sClient.List(context.TODO(), &secretList)).To(Succeed())
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g.Expect(checkSecret(&secretList, "test-secret-transform")).To(Equal(true))
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})
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deployment := &appsv1.Deployment{}
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g.Expect(k8sClient.Get(context.TODO(), types.NamespacedName{
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Name: "test-podinfo-transform",
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Namespace: deployNamespace,
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}, deployment)).To(Succeed())
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t.Run("patch6902 transformer", func(t *testing.T) {
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g.Expect(deployment.Labels["patch"]).To(Equal("json6902"))
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})
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t.Run("patches transformer", func(t *testing.T) {
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g.Expect(deployment.Labels["app.kubernetes.io/version"]).To(Equal("1.21.0"))
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})
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t.Run("patchStrategicMerge transformer", func(t *testing.T) {
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g.Expect(deployment.Spec.Template.Spec.ServiceAccountName).
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To(Equal("test"))
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})
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t.Run("image transformer", func(t *testing.T) {
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g.Expect(deployment.Spec.Template.Spec.Containers[0].Image).
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To(Equal("podinfo:6.0.0"))
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})
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t.Run("replica transformer", func(t *testing.T) {
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g.Expect(int(*deployment.Spec.Replicas)).
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To(Equal(2))
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})
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}
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func TestKustomizationReconciler_FluxTransformers(t *testing.T) {
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g := NewWithT(t)
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id := "transformers-" + randStringRunes(5)
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|
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err := createNamespace(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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err = createKubeConfigSecret(id)
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g.Expect(err).NotTo(HaveOccurred(), "failed to create kubeconfig secret")
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artifactFile := "patch-" + randStringRunes(5)
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artifactChecksum, err := testServer.ArtifactFromDir("testdata/patch", artifactFile)
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|
g.Expect(err).ToNot(HaveOccurred())
|
|
|
|
repositoryName := types.NamespacedName{
|
|
Name: randStringRunes(5),
|
|
Namespace: id,
|
|
}
|
|
|
|
err = applyGitRepository(repositoryName, artifactFile, "main/"+artifactChecksum)
|
|
g.Expect(err).NotTo(HaveOccurred())
|
|
|
|
kustomizationKey := types.NamespacedName{
|
|
Name: "patch-" + randStringRunes(5),
|
|
Namespace: id,
|
|
}
|
|
kustomization := &kustomizev1.Kustomization{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Name: kustomizationKey.Name,
|
|
Namespace: kustomizationKey.Namespace,
|
|
},
|
|
Spec: kustomizev1.KustomizationSpec{
|
|
Interval: metav1.Duration{Duration: reconciliationInterval},
|
|
Path: "./",
|
|
KubeConfig: &meta.KubeConfigReference{
|
|
SecretRef: meta.SecretKeyReference{
|
|
Name: "kubeconfig",
|
|
},
|
|
},
|
|
SourceRef: kustomizev1.CrossNamespaceSourceReference{
|
|
Name: repositoryName.Name,
|
|
Namespace: repositoryName.Namespace,
|
|
Kind: sourcev1.GitRepositoryKind,
|
|
},
|
|
TargetNamespace: id,
|
|
Images: []kustomize.Image{
|
|
{
|
|
Name: "podinfo",
|
|
NewName: "ghcr.io/stefanprodan/podinfo",
|
|
NewTag: "5.2.0",
|
|
},
|
|
{
|
|
Name: "ghcr.io/fluxcd/flagger",
|
|
Digest: "sha256:2832f53c577d44753e97b0ed5f00e7e3a06979c9fab77d0e78bdac4b612b14fb",
|
|
},
|
|
},
|
|
Patches: []kustomize.Patch{
|
|
{
|
|
Patch: `
|
|
- op: add
|
|
path: /metadata/labels/patch1
|
|
value: inline-json
|
|
`,
|
|
Target: &kustomize.Selector{
|
|
LabelSelector: "app=podinfo",
|
|
},
|
|
},
|
|
{
|
|
Patch: `
|
|
apiVersion: apps/v1
|
|
kind: Deployment
|
|
metadata:
|
|
name: podinfo
|
|
labels:
|
|
patch2: inline-yaml
|
|
`,
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
g.Expect(k8sClient.Create(context.TODO(), kustomization)).To(Succeed())
|
|
|
|
g.Eventually(func() bool {
|
|
var obj kustomizev1.Kustomization
|
|
_ = k8sClient.Get(context.Background(), client.ObjectKeyFromObject(kustomization), &obj)
|
|
return obj.Status.LastAppliedRevision == "main/"+artifactChecksum
|
|
}, timeout, time.Second).Should(BeTrue())
|
|
|
|
var deployment appsv1.Deployment
|
|
g.Expect(k8sClient.Get(context.TODO(), client.ObjectKey{Name: "podinfo", Namespace: id}, &deployment)).To(Succeed())
|
|
|
|
t.Run("applies patches", func(t *testing.T) {
|
|
g.Expect(deployment.ObjectMeta.Labels["patch1"]).To(Equal("inline-json"))
|
|
g.Expect(deployment.ObjectMeta.Labels["patch2"]).To(Equal("inline-yaml"))
|
|
g.Expect(deployment.Spec.Template.Spec.Containers[0].Image).To(ContainSubstring("5.2.0"))
|
|
g.Expect(deployment.Spec.Template.Spec.Containers[1].Image).To(ContainSubstring("sha256:2832f53c577d44753e97b0ed5f00e7e3a06979c9fab77d0e78bdac4b612b14fb"))
|
|
})
|
|
}
|
|
|
|
func checkConfigMap(list *corev1.ConfigMapList, name string) bool {
|
|
if list == nil {
|
|
return false
|
|
}
|
|
|
|
for _, configMap := range list.Items {
|
|
if strings.Contains(configMap.Name, name) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|
|
|
|
func checkSecret(list *corev1.SecretList, name string) bool {
|
|
if list == nil {
|
|
return false
|
|
}
|
|
|
|
for _, secret := range list.Items {
|
|
if strings.Contains(secret.Name, name) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|