368 lines
12 KiB
Go
368 lines
12 KiB
Go
/*
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Copyright 2020 The Flux CD contributors.
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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 controllers
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import (
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"context"
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"net/http"
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"os"
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"path"
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"strings"
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"time"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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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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sourcev1 "github.com/fluxcd/source-controller/api/v1alpha1"
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"github.com/fluxcd/source-controller/internal/testserver"
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)
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var _ = Describe("HelmChartReconciler", func() {
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const (
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timeout = time.Second * 30
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interval = time.Second * 1
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indexInterval = time.Second * 2
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pullInterval = time.Second * 3
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)
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Context("HelmChart", func() {
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var (
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namespace *corev1.Namespace
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helmServer *testserver.Helm
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err error
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)
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BeforeEach(func() {
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namespace = &corev1.Namespace{
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ObjectMeta: metav1.ObjectMeta{Name: "helm-chart-test" + randStringRunes(5)},
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}
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err = k8sClient.Create(context.Background(), namespace)
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Expect(err).NotTo(HaveOccurred(), "failed to create test namespace")
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helmServer, err = testserver.NewTempHelmServer()
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Expect(err).To(Succeed())
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helmServer.Start()
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})
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AfterEach(func() {
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os.RemoveAll(helmServer.Root())
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helmServer.Stop()
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err = k8sClient.Delete(context.Background(), namespace)
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Expect(err).NotTo(HaveOccurred(), "failed to delete test namespace")
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})
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It("Creates artifacts for", func() {
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Expect(helmServer.PackageChart(path.Join("testdata/helmchart"))).Should(Succeed())
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Expect(helmServer.GenerateIndex()).Should(Succeed())
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repositoryKey := types.NamespacedName{
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Name: "helmrepository-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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Expect(k8sClient.Create(context.Background(), &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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Name: repositoryKey.Name,
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Namespace: repositoryKey.Namespace,
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},
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Spec: sourcev1.HelmRepositorySpec{
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URL: helmServer.URL(),
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Interval: metav1.Duration{Duration: indexInterval},
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},
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})).Should(Succeed())
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key := types.NamespacedName{
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Name: "helmchart-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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created := &sourcev1.HelmChart{
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ObjectMeta: metav1.ObjectMeta{
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Name: key.Name,
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Namespace: key.Namespace,
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},
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Spec: sourcev1.HelmChartSpec{
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Name: "helmchart",
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Version: "*",
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HelmRepositoryRef: corev1.LocalObjectReference{Name: repositoryKey.Name},
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Interval: metav1.Duration{Duration: pullInterval},
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},
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}
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Expect(k8sClient.Create(context.Background(), created)).Should(Succeed())
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By("Expecting artifact")
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got := &sourcev1.HelmChart{}
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Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), key, got)
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return got.Status.Artifact != nil && storage.ArtifactExist(*got.Status.Artifact)
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}, timeout, interval).Should(BeTrue())
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By("Packaging a new chart version and regenerating the index")
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Expect(helmServer.PackageChartWithVersion(path.Join("testdata/helmchart"), "0.2.0")).Should(Succeed())
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Expect(helmServer.GenerateIndex()).Should(Succeed())
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By("Expecting new artifact revision and GC")
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Eventually(func() bool {
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now := &sourcev1.HelmChart{}
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_ = k8sClient.Get(context.Background(), key, now)
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// Test revision change and garbage collection
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return now.Status.Artifact.Revision != got.Status.Artifact.Revision &&
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!storage.ArtifactExist(*got.Status.Artifact)
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}, timeout, interval).Should(BeTrue())
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By("Expecting missing HelmRepository error")
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updated := &sourcev1.HelmChart{}
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Expect(k8sClient.Get(context.Background(), key, updated)).Should(Succeed())
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updated.Spec.HelmRepositoryRef.Name = "invalid"
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Expect(k8sClient.Update(context.Background(), updated)).Should(Succeed())
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Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), key, updated)
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for _, c := range updated.Status.Conditions {
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if c.Reason == sourcev1.ChartPullFailedReason &&
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strings.Contains(c.Message, "failed to get HelmRepository") {
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return true
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}
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}
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return false
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}, timeout, interval).Should(BeTrue())
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Expect(updated.Status.Artifact).ToNot(BeNil())
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By("Expecting to delete successfully")
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got = &sourcev1.HelmChart{}
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Eventually(func() error {
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_ = k8sClient.Get(context.Background(), key, got)
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return k8sClient.Delete(context.Background(), got)
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}, timeout, interval).Should(Succeed())
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By("Expecting delete to finish")
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Eventually(func() error {
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c := &sourcev1.HelmChart{}
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return k8sClient.Get(context.Background(), key, c)
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}).ShouldNot(Succeed())
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By("Expecting GC on delete")
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Eventually(storage.ArtifactExist(*got.Status.Artifact), timeout, interval).ShouldNot(BeTrue())
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})
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It("Filters versions", func() {
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versions := []string{"0.1.0", "0.1.1", "0.2.0", "0.3.0-rc.1", "1.0.0-alpha.1", "1.0.0"}
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for k := range versions {
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Expect(helmServer.PackageChartWithVersion(path.Join("testdata/helmchart"), versions[k])).Should(Succeed())
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}
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Expect(helmServer.GenerateIndex()).Should(Succeed())
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repositoryKey := types.NamespacedName{
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Name: "helmrepository-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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Expect(k8sClient.Create(context.Background(), &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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Name: repositoryKey.Name,
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Namespace: repositoryKey.Namespace,
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},
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Spec: sourcev1.HelmRepositorySpec{
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URL: helmServer.URL(),
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Interval: metav1.Duration{Duration: 1 * time.Hour},
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},
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})).Should(Succeed())
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key := types.NamespacedName{
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Name: "helmchart-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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chart := &sourcev1.HelmChart{
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ObjectMeta: metav1.ObjectMeta{
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Name: key.Name,
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Namespace: key.Namespace,
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},
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Spec: sourcev1.HelmChartSpec{
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Name: "helmchart",
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Version: "*",
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HelmRepositoryRef: corev1.LocalObjectReference{Name: repositoryKey.Name},
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Interval: metav1.Duration{Duration: 1 * time.Hour},
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},
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}
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Expect(k8sClient.Create(context.Background(), chart)).Should(Succeed())
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Eventually(func() string {
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_ = k8sClient.Get(context.Background(), key, chart)
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if chart.Status.Artifact != nil {
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return chart.Status.Artifact.Revision
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}
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return ""
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}, timeout, interval).Should(Equal("1.0.0"))
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chart.Spec.Version = "~0.1.0"
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Expect(k8sClient.Update(context.Background(), chart)).Should(Succeed())
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Eventually(func() string {
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_ = k8sClient.Get(context.Background(), key, chart)
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if chart.Status.Artifact != nil {
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return chart.Status.Artifact.Revision
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}
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return ""
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}, timeout, interval).Should(Equal("0.1.1"))
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chart.Spec.Version = "invalid"
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Expect(k8sClient.Update(context.Background(), chart)).Should(Succeed())
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Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), key, chart)
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for _, c := range chart.Status.Conditions {
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if c.Reason == sourcev1.ChartPullFailedReason {
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return true
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}
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}
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return false
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}, timeout, interval).Should(BeTrue())
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Expect(chart.Status.Artifact.Revision).Should(Equal("0.1.1"))
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})
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It("Authenticates when credentials are provided", func() {
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helmServer.Stop()
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var username, password = "john", "doe"
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helmServer.WithMiddleware(func(handler http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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u, p, ok := r.BasicAuth()
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if !ok || username != u || password != p {
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w.WriteHeader(401)
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return
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}
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handler.ServeHTTP(w, r)
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})
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})
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helmServer.Start()
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Expect(helmServer.PackageChart(path.Join("testdata/helmchart"))).Should(Succeed())
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Expect(helmServer.GenerateIndex()).Should(Succeed())
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secretKey := types.NamespacedName{
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Name: "helmrepository-auth-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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secret := &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: secretKey.Name,
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Namespace: secretKey.Namespace,
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},
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Data: map[string][]byte{
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"username": []byte(username),
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"password": []byte(password),
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},
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}
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Expect(k8sClient.Create(context.Background(), secret)).Should(Succeed())
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repositoryKey := types.NamespacedName{
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Name: "helmrepository-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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repository := &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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Name: repositoryKey.Name,
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Namespace: repositoryKey.Namespace,
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},
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Spec: sourcev1.HelmRepositorySpec{
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URL: helmServer.URL(),
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SecretRef: &corev1.LocalObjectReference{
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Name: secretKey.Name,
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},
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Interval: metav1.Duration{Duration: time.Hour * 1},
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},
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}
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Expect(k8sClient.Create(context.Background(), repository)).Should(Succeed())
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key := types.NamespacedName{
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Name: "helmchart-sample-" + randStringRunes(5),
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Namespace: namespace.Name,
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}
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chart := &sourcev1.HelmChart{
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ObjectMeta: metav1.ObjectMeta{
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Name: key.Name,
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Namespace: key.Namespace,
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},
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Spec: sourcev1.HelmChartSpec{
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Name: "helmchart",
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Version: "*",
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HelmRepositoryRef: corev1.LocalObjectReference{Name: repositoryKey.Name},
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Interval: metav1.Duration{Duration: pullInterval},
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},
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}
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Expect(k8sClient.Create(context.Background(), chart)).Should(Succeed())
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By("Expecting artifact")
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Expect(k8sClient.Update(context.Background(), secret)).Should(Succeed())
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Eventually(func() bool {
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got := &sourcev1.HelmChart{}
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_ = k8sClient.Get(context.Background(), key, got)
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return got.Status.Artifact != nil &&
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storage.ArtifactExist(*got.Status.Artifact)
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}, timeout, interval).Should(BeTrue())
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delete(secret.Data, "username")
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Expect(k8sClient.Update(context.Background(), secret)).Should(Succeed())
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By("Expecting missing field error")
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delete(secret.Data, "username")
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Expect(k8sClient.Update(context.Background(), secret)).Should(Succeed())
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got := &sourcev1.HelmChart{}
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Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), key, got)
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for _, c := range got.Status.Conditions {
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if c.Reason == sourcev1.AuthenticationFailedReason {
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return true
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}
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}
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return false
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}, timeout, interval).Should(BeTrue())
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Expect(got.Status.Artifact).ToNot(BeNil())
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delete(secret.Data, "password")
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Expect(k8sClient.Update(context.Background(), secret)).Should(Succeed())
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By("Expecting 401")
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Eventually(func() bool {
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got := &sourcev1.HelmChart{}
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_ = k8sClient.Get(context.Background(), key, got)
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for _, c := range got.Status.Conditions {
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if c.Reason == sourcev1.ChartPullFailedReason &&
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strings.Contains(c.Message, "401 Unauthorized") {
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return true
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}
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}
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return false
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}, timeout, interval).Should(BeTrue())
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By("Expecting missing secret error")
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Expect(k8sClient.Delete(context.Background(), secret)).Should(Succeed())
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got = &sourcev1.HelmChart{}
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Eventually(func() bool {
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_ = k8sClient.Get(context.Background(), key, got)
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for _, c := range got.Status.Conditions {
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if c.Reason == sourcev1.AuthenticationFailedReason &&
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strings.Contains(c.Message, "auth secret error") {
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return true
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}
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}
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return false
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}, timeout, interval).Should(BeTrue())
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Expect(got.Status.Artifact).ShouldNot(BeNil())
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})
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})
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})
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