618 lines
20 KiB
Go
618 lines
20 KiB
Go
/*
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Copyright 2020 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 controllers
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import (
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"context"
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"fmt"
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"net/http"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"github.com/go-logr/logr"
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. "github.com/onsi/gomega"
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"helm.sh/helm/v3/pkg/getter"
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corev1 "k8s.io/api/core/v1"
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apierrors "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/tools/record"
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ctrl "sigs.k8s.io/controller-runtime"
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"sigs.k8s.io/controller-runtime/pkg/client"
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fakeclient "sigs.k8s.io/controller-runtime/pkg/client/fake"
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"sigs.k8s.io/controller-runtime/pkg/log"
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"github.com/fluxcd/pkg/apis/meta"
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"github.com/fluxcd/pkg/helmtestserver"
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"github.com/fluxcd/pkg/runtime/conditions"
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sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
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"github.com/fluxcd/source-controller/internal/helm/repository"
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)
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var (
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testGetters = getter.Providers{
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getter.Provider{
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Schemes: []string{"http", "https"},
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New: getter.NewHTTPGetter,
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},
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}
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)
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func TestHelmRepositoryReconciler_Reconcile(t *testing.T) {
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g := NewWithT(t)
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testServer, err := helmtestserver.NewTempHelmServer()
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g.Expect(err).NotTo(HaveOccurred())
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defer os.RemoveAll(testServer.Root())
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g.Expect(testServer.PackageChart("testdata/charts/helmchart")).To(Succeed())
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g.Expect(testServer.GenerateIndex()).To(Succeed())
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testServer.Start()
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defer testServer.Stop()
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obj := &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "helmrepository-reconcile-",
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Namespace: "default",
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},
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Spec: sourcev1.HelmRepositorySpec{
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Interval: metav1.Duration{Duration: interval},
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URL: testServer.URL(),
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},
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}
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g.Expect(testEnv.Create(ctx, obj)).To(Succeed())
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key := client.ObjectKey{Name: obj.Name, Namespace: obj.Namespace}
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// Wait for finalizer to be set
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g.Eventually(func() bool {
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if err := testEnv.Get(ctx, key, obj); err != nil {
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return false
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}
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return len(obj.Finalizers) > 0
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}, timeout).Should(BeTrue())
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// Wait for HelmRepository to be Ready
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g.Eventually(func() bool {
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if err := testEnv.Get(ctx, key, obj); err != nil {
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return false
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}
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if !conditions.IsReady(obj) && obj.Status.Artifact == nil {
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return false
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}
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readyCondition := conditions.Get(obj, meta.ReadyCondition)
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return readyCondition.Status == metav1.ConditionTrue &&
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obj.Generation == readyCondition.ObservedGeneration
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}, timeout).Should(BeTrue())
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g.Expect(testEnv.Delete(ctx, obj)).To(Succeed())
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// Wait for HelmRepository to be deleted
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g.Eventually(func() bool {
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if err := testEnv.Get(ctx, key, obj); err != nil {
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return apierrors.IsNotFound(err)
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}
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return false
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}, timeout).Should(BeTrue())
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}
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func TestHelmRepositoryReconciler_reconcileStorage(t *testing.T) {
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tests := []struct {
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name string
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beforeFunc func(obj *sourcev1.HelmRepository, storage *Storage) error
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want ctrl.Result
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wantErr bool
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assertArtifact *sourcev1.Artifact
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assertConditions []metav1.Condition
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assertPaths []string
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}{
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{
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name: "garbage collects",
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beforeFunc: func(obj *sourcev1.HelmRepository, storage *Storage) error {
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revisions := []string{"a", "b", "c"}
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for n := range revisions {
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v := revisions[n]
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obj.Status.Artifact = &sourcev1.Artifact{
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Path: fmt.Sprintf("/reconcile-storage/%s.txt", v),
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Revision: v,
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}
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if err := testStorage.MkdirAll(*obj.Status.Artifact); err != nil {
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return err
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}
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if err := testStorage.AtomicWriteFile(obj.Status.Artifact, strings.NewReader(v), 0644); err != nil {
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return err
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}
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}
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testStorage.SetArtifactURL(obj.Status.Artifact)
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return nil
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},
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assertArtifact: &sourcev1.Artifact{
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Path: "/reconcile-storage/c.txt",
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Revision: "c",
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Checksum: "2e7d2c03a9507ae265ecf5b5356885a53393a2029d241394997265a1a25aefc6",
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URL: testStorage.Hostname + "/reconcile-storage/c.txt",
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},
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assertPaths: []string{
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"/reconcile-storage/c.txt",
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"!/reconcile-storage/b.txt",
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"!/reconcile-storage/a.txt",
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},
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},
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{
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name: "notices missing artifact in storage",
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beforeFunc: func(obj *sourcev1.HelmRepository, storage *Storage) error {
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obj.Status.Artifact = &sourcev1.Artifact{
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Path: "/reconcile-storage/invalid.txt",
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Revision: "d",
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}
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testStorage.SetArtifactURL(obj.Status.Artifact)
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return nil
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},
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want: ctrl.Result{Requeue: true},
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assertPaths: []string{
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"!/reconcile-storage/invalid.txt",
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},
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.ArtifactUnavailableCondition, "NoArtifact", "No artifact for resource in storage"),
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},
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},
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{
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name: "updates hostname on diff from current",
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beforeFunc: func(obj *sourcev1.HelmRepository, storage *Storage) error {
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obj.Status.Artifact = &sourcev1.Artifact{
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Path: "/reconcile-storage/hostname.txt",
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Revision: "f",
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Checksum: "3b9c358f36f0a31b6ad3e14f309c7cf198ac9246e8316f9ce543d5b19ac02b80",
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URL: "http://outdated.com/reconcile-storage/hostname.txt",
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}
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if err := testStorage.MkdirAll(*obj.Status.Artifact); err != nil {
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return err
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}
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if err := testStorage.AtomicWriteFile(obj.Status.Artifact, strings.NewReader("file"), 0644); err != nil {
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return err
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}
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return nil
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},
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assertPaths: []string{
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"/reconcile-storage/hostname.txt",
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},
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assertArtifact: &sourcev1.Artifact{
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Path: "/reconcile-storage/hostname.txt",
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Revision: "f",
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Checksum: "3b9c358f36f0a31b6ad3e14f309c7cf198ac9246e8316f9ce543d5b19ac02b80",
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URL: testStorage.Hostname + "/reconcile-storage/hostname.txt",
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},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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g := NewWithT(t)
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r := &HelmRepositoryReconciler{
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EventRecorder: record.NewFakeRecorder(32),
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Storage: testStorage,
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}
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obj := &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "test-",
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},
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}
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if tt.beforeFunc != nil {
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g.Expect(tt.beforeFunc(obj, testStorage)).To(Succeed())
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}
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got, err := r.reconcileStorage(context.TODO(), obj)
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g.Expect(err != nil).To(Equal(tt.wantErr))
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g.Expect(got).To(Equal(tt.want))
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g.Expect(obj.Status.Artifact).To(MatchArtifact(tt.assertArtifact))
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if tt.assertArtifact != nil && tt.assertArtifact.URL != "" {
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g.Expect(obj.Status.Artifact.URL).To(Equal(tt.assertArtifact.URL))
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}
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g.Expect(obj.Status.Conditions).To(conditions.MatchConditions(tt.assertConditions))
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for _, p := range tt.assertPaths {
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absoluteP := filepath.Join(testStorage.BasePath, p)
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if !strings.HasPrefix(p, "!") {
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g.Expect(absoluteP).To(BeAnExistingFile())
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continue
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}
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g.Expect(absoluteP).NotTo(BeAnExistingFile())
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}
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})
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}
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}
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func TestHelmRepositoryReconciler_reconcileSource(t *testing.T) {
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type options struct {
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username string
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password string
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publicKey []byte
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privateKey []byte
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ca []byte
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}
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tests := []struct {
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name string
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protocol string
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server options
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secret *corev1.Secret
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beforeFunc func(t *WithT, obj *sourcev1.HelmRepository)
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afterFunc func(t *WithT, obj *sourcev1.HelmRepository)
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want ctrl.Result
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wantErr bool
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assertConditions []metav1.Condition
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}{
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{
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name: "HTTP without secretRef makes ArtifactOutdated=True",
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protocol: "http",
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want: ctrl.Result{RequeueAfter: interval},
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.ArtifactOutdatedCondition, "NewRevision", "New index revision"),
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},
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},
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{
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name: "HTTP with Basic Auth secret makes ArtifactOutdated=True",
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protocol: "http",
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server: options{
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username: "git",
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password: "1234",
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},
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secret: &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "basic-auth",
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},
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Data: map[string][]byte{
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"username": []byte("git"),
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"password": []byte("1234"),
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},
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},
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.SecretRef = &meta.LocalObjectReference{Name: "basic-auth"}
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},
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want: ctrl.Result{RequeueAfter: interval},
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.ArtifactOutdatedCondition, "NewRevision", "New index revision"),
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},
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},
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{
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name: "HTTPS with CAFile secret makes ArtifactOutdated=True",
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protocol: "https",
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server: options{
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publicKey: tlsPublicKey,
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privateKey: tlsPrivateKey,
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ca: tlsCA,
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},
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secret: &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "ca-file",
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},
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Data: map[string][]byte{
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"caFile": tlsCA,
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},
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},
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.SecretRef = &meta.LocalObjectReference{Name: "ca-file"}
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},
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want: ctrl.Result{RequeueAfter: interval},
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.ArtifactOutdatedCondition, "NewRevision", "New index revision"),
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},
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},
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{
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name: "HTTPS with invalid CAFile secret makes FetchFailed=True and returns error",
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protocol: "https",
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server: options{
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publicKey: tlsPublicKey,
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privateKey: tlsPrivateKey,
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ca: tlsCA,
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},
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secret: &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "invalid-ca",
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},
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Data: map[string][]byte{
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"caFile": []byte("invalid"),
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},
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},
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.SecretRef = &meta.LocalObjectReference{Name: "invalid-ca"}
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},
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wantErr: true,
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.FetchFailedCondition, meta.FailedReason, "can't create TLS config for client: failed to append certificates from file"),
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},
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},
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{
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name: "Invalid URL makes FetchFailed=True and returns zero Result",
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protocol: "http",
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.URL = strings.ReplaceAll(obj.Spec.URL, "http://", "")
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},
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want: ctrl.Result{},
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wantErr: false,
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.FetchFailedCondition, sourcev1.URLInvalidReason, "first path segment in URL cannot contain colon"),
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},
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},
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{
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name: "Unsupported scheme makes FetchFailed=True and returns zero Result",
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protocol: "http",
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.URL = strings.ReplaceAll(obj.Spec.URL, "http://", "ftp://")
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},
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want: ctrl.Result{},
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wantErr: false,
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.FetchFailedCondition, meta.FailedReason, "scheme \"ftp\" not supported"),
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},
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},
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{
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name: "Missing secret returns FetchFailed=True and returns error",
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protocol: "http",
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.SecretRef = &meta.LocalObjectReference{Name: "non-existing"}
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},
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wantErr: true,
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.FetchFailedCondition, sourcev1.AuthenticationFailedReason, "secrets \"non-existing\" not found"),
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},
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},
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{
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name: "Malformed secret returns FetchFailed=True and returns error",
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protocol: "http",
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secret: &corev1.Secret{
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ObjectMeta: metav1.ObjectMeta{
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Name: "malformed-basic-auth",
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},
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Data: map[string][]byte{
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"username": []byte("git"),
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},
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},
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
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obj.Spec.SecretRef = &meta.LocalObjectReference{Name: "malformed-basic-auth"}
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},
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wantErr: true,
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assertConditions: []metav1.Condition{
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*conditions.TrueCondition(sourcev1.FetchFailedCondition, sourcev1.AuthenticationFailedReason, "required fields 'username' and 'password"),
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},
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},
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}
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for _, tt := range tests {
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obj := &sourcev1.HelmRepository{
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ObjectMeta: metav1.ObjectMeta{
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GenerateName: "auth-strategy-",
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},
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Spec: sourcev1.HelmRepositorySpec{
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Interval: metav1.Duration{Duration: interval},
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Timeout: &metav1.Duration{Duration: interval},
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},
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}
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t.Run(tt.name, func(t *testing.T) {
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g := NewWithT(t)
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server, err := helmtestserver.NewTempHelmServer()
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g.Expect(err).NotTo(HaveOccurred())
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defer os.RemoveAll(server.Root())
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g.Expect(server.PackageChart("testdata/charts/helmchart")).To(Succeed())
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g.Expect(server.GenerateIndex()).To(Succeed())
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if len(tt.server.username+tt.server.password) > 0 {
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server.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 || u != tt.server.username || p != tt.server.password {
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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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}
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secret := tt.secret.DeepCopy()
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switch tt.protocol {
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case "http":
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server.Start()
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defer server.Stop()
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obj.Spec.URL = server.URL()
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case "https":
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g.Expect(server.StartTLS(tt.server.publicKey, tt.server.privateKey, tt.server.ca, "example.com")).To(Succeed())
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defer server.Stop()
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obj.Spec.URL = server.URL()
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default:
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t.Fatalf("unsupported protocol %q", tt.protocol)
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}
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if tt.beforeFunc != nil {
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tt.beforeFunc(g, obj)
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}
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builder := fakeclient.NewClientBuilder().WithScheme(testEnv.GetScheme())
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if secret != nil {
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builder.WithObjects(secret.DeepCopy())
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}
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r := &HelmRepositoryReconciler{
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EventRecorder: record.NewFakeRecorder(32),
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Client: builder.Build(),
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Storage: testStorage,
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Getters: testGetters,
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}
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var chartRepo repository.ChartRepository
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var artifact sourcev1.Artifact
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dlog := log.NewDelegatingLogSink(log.NullLogSink{})
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nullLogger := logr.New(dlog)
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got, err := r.reconcileSource(logr.NewContext(ctx, nullLogger), obj, &artifact, &chartRepo)
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g.Expect(obj.Status.Conditions).To(conditions.MatchConditions(tt.assertConditions))
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g.Expect(err != nil).To(Equal(tt.wantErr))
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g.Expect(got).To(Equal(tt.want))
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if tt.afterFunc != nil {
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tt.afterFunc(g, obj)
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}
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})
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}
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}
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|
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func TestHelmRepositoryReconciler_reconcileArtifact(t *testing.T) {
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tests := []struct {
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name string
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beforeFunc func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository)
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afterFunc func(t *WithT, obj *sourcev1.HelmRepository)
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want ctrl.Result
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wantErr bool
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assertConditions []metav1.Condition
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}{
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{
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name: "Archiving artifact to storage makes Ready=True",
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beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository) {
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obj.Spec.Interval = metav1.Duration{Duration: interval}
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},
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want: ctrl.Result{RequeueAfter: interval},
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assertConditions: []metav1.Condition{
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|
*conditions.TrueCondition(meta.ReadyCondition, meta.SucceededReason, "Stored artifact for revision 'existing'"),
|
|
},
|
|
},
|
|
{
|
|
name: "Up-to-date artifact should not update status",
|
|
beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository) {
|
|
obj.Spec.Interval = metav1.Duration{Duration: interval}
|
|
obj.Status.Artifact = artifact.DeepCopy()
|
|
},
|
|
afterFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
|
|
t.Expect(obj.Status.URL).To(BeEmpty())
|
|
},
|
|
want: ctrl.Result{RequeueAfter: interval},
|
|
assertConditions: []metav1.Condition{
|
|
*conditions.TrueCondition(meta.ReadyCondition, meta.SucceededReason, "Stored artifact for revision 'existing'"),
|
|
},
|
|
},
|
|
{
|
|
name: "Removes ArtifactUnavailableCondition after creating artifact",
|
|
beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository) {
|
|
obj.Spec.Interval = metav1.Duration{Duration: interval}
|
|
conditions.MarkTrue(obj, sourcev1.ArtifactUnavailableCondition, "Foo", "")
|
|
},
|
|
want: ctrl.Result{RequeueAfter: interval},
|
|
assertConditions: []metav1.Condition{
|
|
*conditions.TrueCondition(meta.ReadyCondition, meta.SucceededReason, "Stored artifact for revision 'existing'"),
|
|
},
|
|
},
|
|
{
|
|
name: "Removes ArtifactOutdatedCondition after creating a new artifact",
|
|
beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository) {
|
|
obj.Spec.Interval = metav1.Duration{Duration: interval}
|
|
conditions.MarkTrue(obj, sourcev1.ArtifactOutdatedCondition, "Foo", "")
|
|
},
|
|
want: ctrl.Result{RequeueAfter: interval},
|
|
assertConditions: []metav1.Condition{
|
|
*conditions.TrueCondition(meta.ReadyCondition, meta.SucceededReason, "Stored artifact for revision 'existing'"),
|
|
},
|
|
},
|
|
{
|
|
name: "Creates latest symlink to the created artifact",
|
|
beforeFunc: func(t *WithT, obj *sourcev1.HelmRepository, artifact sourcev1.Artifact, index *repository.ChartRepository) {
|
|
obj.Spec.Interval = metav1.Duration{Duration: interval}
|
|
},
|
|
afterFunc: func(t *WithT, obj *sourcev1.HelmRepository) {
|
|
localPath := testStorage.LocalPath(*obj.GetArtifact())
|
|
symlinkPath := filepath.Join(filepath.Dir(localPath), "index.yaml")
|
|
targetFile, err := os.Readlink(symlinkPath)
|
|
t.Expect(err).NotTo(HaveOccurred())
|
|
t.Expect(localPath).To(Equal(targetFile))
|
|
},
|
|
want: ctrl.Result{RequeueAfter: interval},
|
|
assertConditions: []metav1.Condition{
|
|
*conditions.TrueCondition(meta.ReadyCondition, meta.SucceededReason, "Stored artifact for revision 'existing'"),
|
|
},
|
|
},
|
|
}
|
|
|
|
for _, tt := range tests {
|
|
t.Run(tt.name, func(t *testing.T) {
|
|
g := NewWithT(t)
|
|
|
|
r := &HelmRepositoryReconciler{
|
|
EventRecorder: record.NewFakeRecorder(32),
|
|
Storage: testStorage,
|
|
}
|
|
|
|
obj := &sourcev1.HelmRepository{
|
|
TypeMeta: metav1.TypeMeta{
|
|
Kind: sourcev1.HelmRepositoryKind,
|
|
},
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
GenerateName: "test-bucket-",
|
|
Generation: 1,
|
|
Namespace: "default",
|
|
},
|
|
Spec: sourcev1.HelmRepositorySpec{
|
|
Timeout: &metav1.Duration{Duration: timeout},
|
|
URL: "https://example.com/index.yaml",
|
|
},
|
|
}
|
|
|
|
tmpDir, err := os.MkdirTemp("", "test-reconcile-artifact-")
|
|
g.Expect(err).ToNot(HaveOccurred())
|
|
defer os.RemoveAll(tmpDir)
|
|
|
|
// Create an empty cache file.
|
|
cachePath := filepath.Join(tmpDir, "index.yaml")
|
|
cacheFile, err := os.Create(cachePath)
|
|
g.Expect(err).ToNot(HaveOccurred())
|
|
g.Expect(cacheFile.Close()).ToNot(HaveOccurred())
|
|
|
|
chartRepo, err := repository.NewChartRepository(obj.Spec.URL, "", testGetters, nil)
|
|
g.Expect(err).ToNot(HaveOccurred())
|
|
chartRepo.CachePath = cachePath
|
|
|
|
artifact := testStorage.NewArtifactFor(obj.Kind, obj, "existing", "foo.tar.gz")
|
|
// Checksum of the index file calculated by the ChartRepository.
|
|
artifact.Checksum = "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
|
|
|
|
if tt.beforeFunc != nil {
|
|
tt.beforeFunc(g, obj, artifact, chartRepo)
|
|
}
|
|
dlog := log.NewDelegatingLogSink(log.NullLogSink{})
|
|
nullLogger := logr.New(dlog)
|
|
got, err := r.reconcileArtifact(logr.NewContext(ctx, nullLogger), obj, artifact, chartRepo)
|
|
g.Expect(err != nil).To(Equal(tt.wantErr))
|
|
g.Expect(got).To(Equal(tt.want))
|
|
|
|
// On error, artifact is empty. Check artifacts only on successful
|
|
// reconcile.
|
|
if !tt.wantErr {
|
|
g.Expect(obj.Status.Artifact).To(MatchArtifact(artifact.DeepCopy()))
|
|
}
|
|
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions(tt.assertConditions))
|
|
|
|
if tt.afterFunc != nil {
|
|
tt.afterFunc(g, obj)
|
|
}
|
|
})
|
|
}
|
|
}
|