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Copy pathhelmchart_controller_test.go
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helmchart_controller_test.go
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/*
Copyright 2020 The Flux authors
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package controllers
import (
"context"
"errors"
"fmt"
"io"
"net/http"
"os"
"path/filepath"
"reflect"
"strings"
"testing"
"time"
"github.com/darkowlzz/controller-check/status"
. "github.com/onsi/gomega"
corev1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/tools/record"
kstatus "sigs.k8s.io/cli-utils/pkg/kstatus/status"
"sigs.k8s.io/controller-runtime/pkg/client"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
"sigs.k8s.io/controller-runtime/pkg/controller/controllerutil"
"github.com/fluxcd/pkg/apis/meta"
"github.com/fluxcd/pkg/helmtestserver"
"github.com/fluxcd/pkg/runtime/conditions"
"github.com/fluxcd/pkg/runtime/patch"
"github.com/fluxcd/pkg/testserver"
sourcev1 "github.com/fluxcd/source-controller/api/v1beta2"
serror "github.com/fluxcd/source-controller/internal/error"
"github.com/fluxcd/source-controller/internal/helm/chart"
sreconcile "github.com/fluxcd/source-controller/internal/reconcile"
)
const publicKeyFileName = "pub.gpg"
func TestHelmChartReconciler_Reconcile(t *testing.T) {
g := NewWithT(t)
const (
chartName = "helmchart"
chartVersion = "0.2.0"
chartPath = "testdata/charts/helmchart"
)
server, err := helmtestserver.NewTempHelmServer()
g.Expect(err).NotTo(HaveOccurred())
defer os.RemoveAll(server.Root())
g.Expect(server.PackageChartWithVersion(chartPath, chartVersion)).To(Succeed())
g.Expect(server.GenerateIndex()).To(Succeed())
server.Start()
defer server.Stop()
ns, err := testEnv.CreateNamespace(ctx, "helmchart")
g.Expect(err).ToNot(HaveOccurred())
defer func() { g.Expect(testEnv.Delete(ctx, ns)).To(Succeed()) }()
repository := &sourcev1.HelmRepository{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-",
Namespace: ns.Name,
},
Spec: sourcev1.HelmRepositorySpec{
URL: server.URL(),
},
}
g.Expect(testEnv.CreateAndWait(ctx, repository)).To(Succeed())
obj := &sourcev1.HelmChart{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-reconcile-",
Namespace: ns.Name,
},
Spec: sourcev1.HelmChartSpec{
Chart: chartName,
Version: chartVersion,
SourceRef: sourcev1.LocalHelmChartSourceReference{
Kind: sourcev1.HelmRepositoryKind,
Name: repository.Name,
},
},
}
g.Expect(testEnv.Create(ctx, obj)).To(Succeed())
key := client.ObjectKey{Name: obj.Name, Namespace: obj.Namespace}
// Wait for finalizer to be set
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
return len(obj.Finalizers) > 0
}, timeout).Should(BeTrue())
// Wait for HelmChart to be Ready
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
if !conditions.IsReady(obj) || obj.Status.Artifact == nil {
return false
}
readyCondition := conditions.Get(obj, meta.ReadyCondition)
return obj.Generation == readyCondition.ObservedGeneration &&
obj.Generation == obj.Status.ObservedGeneration
}, timeout).Should(BeTrue())
// Check if the object status is valid.
condns := &status.Conditions{NegativePolarity: helmChartReadyCondition.NegativePolarity}
checker := status.NewChecker(testEnv.Client, testEnv.GetScheme(), condns)
checker.CheckErr(ctx, obj)
// kstatus client conformance check.
u, err := patch.ToUnstructured(obj)
g.Expect(err).ToNot(HaveOccurred())
res, err := kstatus.Compute(u)
g.Expect(err).ToNot(HaveOccurred())
g.Expect(res.Status).To(Equal(kstatus.CurrentStatus))
// Patch the object with reconcile request annotation.
patchHelper, err := patch.NewHelper(obj, testEnv.Client)
g.Expect(err).ToNot(HaveOccurred())
annotations := map[string]string{
meta.ReconcileRequestAnnotation: "now",
}
obj.SetAnnotations(annotations)
g.Expect(patchHelper.Patch(ctx, obj)).ToNot(HaveOccurred())
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
return obj.Status.LastHandledReconcileAt == "now"
}, timeout).Should(BeTrue())
g.Expect(testEnv.Delete(ctx, obj)).To(Succeed())
// Wait for HelmChart to be deleted
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return apierrors.IsNotFound(err)
}
return false
}, timeout).Should(BeTrue())
}
func TestHelmChartReconciler_ReconcileWithSigVerification(t *testing.T) {
g := NewWithT(t)
const (
chartName = "helmchart"
chartVersion = "0.2.0"
chartPath = "testdata/charts/helmchart"
)
server, err := helmtestserver.NewTempHelmServer()
g.Expect(err).NotTo(HaveOccurred())
defer os.RemoveAll(server.Root())
publicKeyPath := fmt.Sprintf("%s/%s", server.Root(), publicKeyFileName)
g.Expect(server.PackageSignedChartWithVersion(chartPath, chartVersion, publicKeyPath)).To(Succeed())
g.Expect(server.GenerateIndex()).To(Succeed())
server.Start()
defer server.Stop()
ns, err := testEnv.CreateNamespace(ctx, "helmchart")
g.Expect(err).ToNot(HaveOccurred())
defer func() { g.Expect(testEnv.Delete(ctx, ns)).To(Succeed()) }()
repository := &sourcev1.HelmRepository{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-",
Namespace: ns.Name,
},
Spec: sourcev1.HelmRepositorySpec{
URL: server.URL(),
},
}
g.Expect(testEnv.CreateAndWait(ctx, repository)).To(Succeed())
keyring, err := os.ReadFile(publicKeyPath)
g.Expect(err).ToNot(HaveOccurred())
g.Expect(keyring).ToNot(BeEmpty())
keyringSecret := &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "keyring-secret",
Namespace: ns.Name,
},
Data: map[string][]byte{
publicKeyFileName: keyring,
},
}
g.Expect(testEnv.CreateAndWait(ctx, keyringSecret)).To(Succeed())
obj := &sourcev1.HelmChart{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-reconcile-",
Namespace: ns.Name,
},
Spec: sourcev1.HelmChartSpec{
Chart: chartName,
Version: chartVersion,
SourceRef: sourcev1.LocalHelmChartSourceReference{
Kind: sourcev1.HelmRepositoryKind,
Name: repository.Name,
},
VerificationKeyring: &sourcev1.VerificationKeyring{
SecretRef: meta.LocalObjectReference{
Name: keyringSecret.Name,
},
Key: publicKeyFileName,
},
},
}
g.Expect(testEnv.Create(ctx, obj)).To(Succeed())
key := client.ObjectKey{Name: obj.Name, Namespace: obj.Namespace}
// Wait for finalizer to be set
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
return len(obj.Finalizers) > 0
}, timeout).Should(BeTrue())
// Wait for HelmChart to be Ready
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
if !conditions.IsReady(obj) || obj.Status.Artifact == nil {
return false
}
readyCondition := conditions.Get(obj, meta.ReadyCondition)
return obj.Generation == readyCondition.ObservedGeneration &&
obj.Generation == obj.Status.ObservedGeneration
}, timeout).Should(BeTrue())
// Check if the object status is valid.
condns := &status.Conditions{NegativePolarity: helmChartReadyCondition.NegativePolarity}
checker := status.NewChecker(testEnv.Client, testEnv.GetScheme(), condns)
checker.CheckErr(ctx, obj)
// kstatus client conformance check.
u, err := patch.ToUnstructured(obj)
g.Expect(err).ToNot(HaveOccurred())
res, err := kstatus.Compute(u)
g.Expect(err).ToNot(HaveOccurred())
g.Expect(res.Status).To(Equal(kstatus.CurrentStatus))
// Patch the object with reconcile request annotation.
patchHelper, err := patch.NewHelper(obj, testEnv.Client)
g.Expect(err).ToNot(HaveOccurred())
annotations := map[string]string{
meta.ReconcileRequestAnnotation: "now",
}
obj.SetAnnotations(annotations)
g.Expect(patchHelper.Patch(ctx, obj)).ToNot(HaveOccurred())
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return false
}
return obj.Status.LastHandledReconcileAt == "now"
}, timeout).Should(BeTrue())
g.Expect(testEnv.Delete(ctx, obj)).To(Succeed())
// Wait for HelmChart to be deleted
g.Eventually(func() bool {
if err := testEnv.Get(ctx, key, obj); err != nil {
return apierrors.IsNotFound(err)
}
return false
}, timeout).Should(BeTrue())
}
func TestHelmChartReconciler_reconcileStorage(t *testing.T) {
tests := []struct {
name string
beforeFunc func(obj *sourcev1.HelmChart, storage *Storage) error
want sreconcile.Result
wantErr bool
assertArtifact *sourcev1.Artifact
assertConditions []metav1.Condition
assertPaths []string
}{
{
name: "garbage collects",
beforeFunc: func(obj *sourcev1.HelmChart, storage *Storage) error {
revisions := []string{"a", "b", "c"}
for n := range revisions {
v := revisions[n]
obj.Status.Artifact = &sourcev1.Artifact{
Path: fmt.Sprintf("/reconcile-storage/%s.txt", v),
Revision: v,
}
provArtifact := &sourcev1.Artifact{
Path: fmt.Sprintf("/reconcile-storage/%s.txt.prov", v),
Revision: v,
}
if err := testStorage.MkdirAll(*obj.Status.Artifact); err != nil {
return err
}
if err := testStorage.AtomicWriteFile(obj.Status.Artifact, strings.NewReader(v), 0o644); err != nil {
return err
}
if err := testStorage.AtomicWriteFile(provArtifact, strings.NewReader(v), 0o644); err != nil {
return err
}
}
testStorage.SetArtifactURL(obj.Status.Artifact)
return nil
},
assertArtifact: &sourcev1.Artifact{
Path: "/reconcile-storage/c.txt",
Revision: "c",
Checksum: "2e7d2c03a9507ae265ecf5b5356885a53393a2029d241394997265a1a25aefc6",
URL: testStorage.Hostname + "/reconcile-storage/c.txt",
Size: int64p(int64(len("c"))),
},
assertPaths: []string{
"/reconcile-storage/c.txt",
"!/reconcile-storage/b.txt",
"!/reconcile-storage/a.txt",
"/reconcile-storage/c.txt.prov",
"!/reconcile-storage/b.txt.prov",
"!/reconcile-storage/a.txt.prov",
},
want: sreconcile.ResultSuccess,
},
{
name: "notices missing artifact in storage",
beforeFunc: func(obj *sourcev1.HelmChart, storage *Storage) error {
obj.Status.Artifact = &sourcev1.Artifact{
Path: "/reconcile-storage/invalid.txt",
Revision: "d",
}
testStorage.SetArtifactURL(obj.Status.Artifact)
return nil
},
want: sreconcile.ResultSuccess,
assertPaths: []string{
"!/reconcile-storage/invalid.txt",
},
assertConditions: []metav1.Condition{
*conditions.TrueCondition(meta.ReconcilingCondition, "NoArtifact", "no artifact for resource in storage"),
},
},
{
name: "updates hostname on diff from current",
beforeFunc: func(obj *sourcev1.HelmChart, storage *Storage) error {
obj.Status.Artifact = &sourcev1.Artifact{
Path: "/reconcile-storage/hostname.txt",
Revision: "f",
Checksum: "3b9c358f36f0a31b6ad3e14f309c7cf198ac9246e8316f9ce543d5b19ac02b80",
URL: "http://outdated.com/reconcile-storage/hostname.txt",
}
if err := testStorage.MkdirAll(*obj.Status.Artifact); err != nil {
return err
}
if err := testStorage.AtomicWriteFile(obj.Status.Artifact, strings.NewReader("file"), 0o644); err != nil {
return err
}
return nil
},
want: sreconcile.ResultSuccess,
assertPaths: []string{
"/reconcile-storage/hostname.txt",
},
assertArtifact: &sourcev1.Artifact{
Path: "/reconcile-storage/hostname.txt",
Revision: "f",
Checksum: "3b9c358f36f0a31b6ad3e14f309c7cf198ac9246e8316f9ce543d5b19ac02b80",
URL: testStorage.Hostname + "/reconcile-storage/hostname.txt",
Size: int64p(int64(len("file"))),
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
g := NewWithT(t)
r := &HelmChartReconciler{
EventRecorder: record.NewFakeRecorder(32),
Storage: testStorage,
}
obj := &sourcev1.HelmChart{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "test-",
},
}
if tt.beforeFunc != nil {
g.Expect(tt.beforeFunc(obj, testStorage)).To(Succeed())
}
got, err := r.reconcileStorage(context.TODO(), obj, nil)
g.Expect(err != nil).To(Equal(tt.wantErr))
g.Expect(got).To(Equal(tt.want))
g.Expect(obj.Status.Artifact).To(MatchArtifact(tt.assertArtifact))
if tt.assertArtifact != nil && tt.assertArtifact.URL != "" {
g.Expect(obj.Status.Artifact.URL).To(Equal(tt.assertArtifact.URL))
}
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions(tt.assertConditions))
for _, p := range tt.assertPaths {
absoluteP := filepath.Join(testStorage.BasePath, p)
if !strings.HasPrefix(p, "!") {
g.Expect(absoluteP).To(BeAnExistingFile())
continue
}
g.Expect(absoluteP).NotTo(BeAnExistingFile())
}
})
}
}
func TestHelmChartReconciler_reconcileSource(t *testing.T) {
g := NewWithT(t)
tmpDir, err := os.MkdirTemp("", "reconcile-tarball-")
g.Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(tmpDir)
storage, err := NewStorage(tmpDir, "example.com", timeout)
g.Expect(err).ToNot(HaveOccurred())
gitArtifact := &sourcev1.Artifact{
Revision: "mock-ref/abcdefg12345678",
Path: "mock.tgz",
}
g.Expect(storage.Archive(gitArtifact, "testdata/charts", nil)).To(Succeed())
keyring, err := os.ReadFile("testdata/charts/pub.gpg")
g.Expect(err).ToNot(HaveOccurred())
g.Expect(keyring).ToNot(BeEmpty())
tests := []struct {
name string
source sourcev1.Source
keyringSecret *corev1.Secret
beforeFunc func(obj *sourcev1.HelmChart)
want sreconcile.Result
wantErr error
assertFunc func(g *WithT, build chart.Build, obj sourcev1.HelmChart)
cleanFunc func(g *WithT, build *chart.Build)
}{
{
name: "Observes Artifact revision and build result",
source: &sourcev1.GitRepository{
ObjectMeta: metav1.ObjectMeta{
Name: "gitrepository",
Namespace: "default",
},
Status: sourcev1.GitRepositoryStatus{
Artifact: gitArtifact,
},
},
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.Chart = "testdata/charts/helmchart-0.1.0.tgz"
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "gitrepository",
Kind: sourcev1.GitRepositoryKind,
}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeTrue())
g.Expect(build.Name).To(Equal("helmchart"))
g.Expect(build.Version).To(Equal("0.1.0"))
g.Expect(build.Path).To(BeARegularFile())
g.Expect(obj.Status.ObservedSourceArtifactRevision).To(Equal(gitArtifact.Revision))
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.ArtifactOutdatedCondition, "NewChart", "pulled 'helmchart' chart with version '0.1.0'"),
}))
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
},
},
{
name: "Observes Artifact revision and build result with valid signature",
source: &sourcev1.GitRepository{
ObjectMeta: metav1.ObjectMeta{
Name: "gitrepository",
Namespace: "default",
},
Status: sourcev1.GitRepositoryStatus{
Artifact: gitArtifact,
},
},
keyringSecret: &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "keyring-secret",
Namespace: "default",
},
Data: map[string][]byte{
publicKeyFileName: keyring,
},
},
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.Chart = "testdata/charts/helmchart-0.1.0.tgz"
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "gitrepository",
Kind: sourcev1.GitRepositoryKind,
}
obj.Spec.VerificationKeyring = &sourcev1.VerificationKeyring{
SecretRef: meta.LocalObjectReference{
Name: "keyring-secret",
},
Key: publicKeyFileName,
}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeTrue())
g.Expect(build.Name).To(Equal("helmchart"))
g.Expect(build.Version).To(Equal("0.1.0"))
g.Expect(build.Path).To(BeARegularFile())
g.Expect(build.VerificationSignature).ToNot(BeNil())
g.Expect(build.ProvFilePath).To(BeARegularFile())
g.Expect(obj.Status.ObservedSourceArtifactRevision).To(Equal(gitArtifact.Revision))
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.ArtifactOutdatedCondition, "NewChart", "pulled 'helmchart' chart with version '0.1.0'"),
*conditions.TrueCondition(sourcev1.SourceVerifiedCondition, sourcev1.ChartVerificationSucceededReason, "verified chart hash: 'sha256:007c7b7446eebcb18caeffe9898a3356ba1795f54df40ad39cfcc7382874a10a' signed by: 'TestUser' with key: '943CB5929ECDA2B5B5EC88BC7035BA97D32A87C1'"),
}))
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
g.Expect(os.Remove(build.ProvFilePath)).To(Succeed())
},
},
{
name: "Error on unavailable source",
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "unavailable",
Kind: sourcev1.GitRepositoryKind,
}
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Event{Err: errors.New("gitrepositories.source.toolkit.fluxcd.io \"unavailable\" not found")},
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, "SourceUnavailable", "failed to get source: gitrepositories.source.toolkit.fluxcd.io \"unavailable\" not found"),
}))
},
},
{
name: "Stalling on unsupported source kind",
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "unavailable",
Kind: "Unsupported",
}
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Stalling{Err: errors.New("unsupported source kind 'Unsupported'")},
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, "SourceUnavailable", "failed to get source: unsupported source kind"),
}))
},
},
//{
// name: "Error on transient build error",
//},
{
name: "Stalling on persistent build error",
source: &sourcev1.GitRepository{
ObjectMeta: metav1.ObjectMeta{
Name: "gitrepository",
Namespace: "default",
},
Status: sourcev1.GitRepositoryStatus{
Artifact: gitArtifact,
},
},
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.Chart = "testdata/charts/helmchart-0.1.0.tgz"
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "gitrepository",
Kind: sourcev1.GitRepositoryKind,
}
obj.Spec.ValuesFiles = []string{"invalid.yaml"}
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Stalling{Err: errors.New("values files merge error: no values file found at path")},
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.BuildFailedCondition, "ValuesFilesError", "values files merge error: no values file found at path"),
}))
},
},
{
name: "ResultRequeue when source artifact is unavailable",
source: &sourcev1.GitRepository{
ObjectMeta: metav1.ObjectMeta{
Name: "gitrepository",
Namespace: "default",
},
Status: sourcev1.GitRepositoryStatus{},
},
beforeFunc: func(obj *sourcev1.HelmChart) {
obj.Spec.Chart = "testdata/charts/helmchart-0.1.0.tgz"
obj.Spec.SourceRef = sourcev1.LocalHelmChartSourceReference{
Name: "gitrepository",
Kind: sourcev1.GitRepositoryKind,
}
obj.Status.ObservedSourceArtifactRevision = "foo"
},
want: sreconcile.ResultRequeue,
assertFunc: func(g *WithT, build chart.Build, obj sourcev1.HelmChart) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.ObservedSourceArtifactRevision).To(Equal("foo"))
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, "NoSourceArtifact", "no artifact available"),
}))
},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
g := NewWithT(t)
clientBuilder := fake.NewClientBuilder()
if tt.source != nil {
clientBuilder.WithRuntimeObjects(tt.source)
}
if tt.keyringSecret != nil {
clientBuilder.WithRuntimeObjects(tt.keyringSecret)
}
r := &HelmChartReconciler{
Client: clientBuilder.Build(),
EventRecorder: record.NewFakeRecorder(32),
Storage: storage,
}
obj := sourcev1.HelmChart{
ObjectMeta: metav1.ObjectMeta{
Name: "chart",
Namespace: "default",
},
Spec: sourcev1.HelmChartSpec{},
}
if tt.beforeFunc != nil {
tt.beforeFunc(&obj)
}
var b chart.Build
if tt.cleanFunc != nil {
defer tt.cleanFunc(g, &b)
}
got, err := r.reconcileSource(context.TODO(), &obj, &b)
g.Expect(err != nil).To(Equal(tt.wantErr != nil))
if tt.wantErr != nil {
g.Expect(reflect.TypeOf(err).String()).To(Equal(reflect.TypeOf(tt.wantErr).String()))
g.Expect(err.Error()).To(ContainSubstring(tt.wantErr.Error()))
}
g.Expect(got).To(Equal(tt.want))
if tt.assertFunc != nil {
tt.assertFunc(g, b, obj)
}
})
}
}
func TestHelmChartReconciler_buildFromHelmRepository(t *testing.T) {
g := NewWithT(t)
const (
chartName = "helmchart"
chartVersion = "0.2.0"
higherChartVersion = "0.3.0"
chartPath = "testdata/charts/helmchart"
)
serverFactory, err := helmtestserver.NewTempHelmServer()
g.Expect(err).NotTo(HaveOccurred())
defer os.RemoveAll(serverFactory.Root())
for _, ver := range []string{chartVersion, higherChartVersion} {
g.Expect(serverFactory.PackageChartWithVersion(chartPath, ver)).To(Succeed())
}
g.Expect(serverFactory.GenerateIndex()).To(Succeed())
type options struct {
username string
password string
}
tests := []struct {
name string
server options
secret *corev1.Secret
beforeFunc func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository)
want sreconcile.Result
wantErr error
assertFunc func(g *WithT, obj *sourcev1.HelmChart, build chart.Build)
cleanFunc func(g *WithT, build *chart.Build)
}{
{
name: "Reconciles chart build",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
obj.Spec.Chart = "helmchart"
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, _ *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Name).To(Equal(chartName))
g.Expect(build.Version).To(Equal(higherChartVersion))
g.Expect(build.Path).ToNot(BeEmpty())
g.Expect(build.Path).To(BeARegularFile())
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
},
},
{
name: "Reconciles chart build with repository credentials",
server: options{
username: "foo",
password: "bar",
},
secret: &corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "auth",
},
Data: map[string][]byte{
"username": []byte("foo"),
"password": []byte("bar"),
},
},
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
obj.Spec.Chart = chartName
obj.Spec.Version = chartVersion
repository.Spec.SecretRef = &meta.LocalObjectReference{Name: "auth"}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, _ *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Name).To(Equal(chartName))
g.Expect(build.Version).To(Equal(chartVersion))
g.Expect(build.Path).ToNot(BeEmpty())
g.Expect(build.Path).To(BeARegularFile())
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
},
},
{
name: "Uses artifact as build cache",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
obj.Spec.Chart = chartName
obj.Spec.Version = chartVersion
obj.Status.Artifact = &sourcev1.Artifact{Path: chartName + "-" + chartVersion + ".tgz"}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, obj *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Name).To(Equal(chartName))
g.Expect(build.Version).To(Equal(chartVersion))
g.Expect(build.Path).To(Equal(filepath.Join(serverFactory.Root(), obj.Status.Artifact.Path)))
g.Expect(build.Path).To(BeARegularFile())
},
},
{
name: "Sets Generation as VersionMetadata with values files",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
obj.Spec.Chart = chartName
obj.Generation = 3
obj.Spec.ValuesFiles = []string{"values.yaml", "override.yaml"}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, _ *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Name).To(Equal(chartName))
g.Expect(build.Version).To(Equal(higherChartVersion + "+3"))
g.Expect(build.Path).ToNot(BeEmpty())
g.Expect(build.Path).To(BeARegularFile())
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
},
},
{
name: "Forces build on generation change",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
obj.Generation = 3
obj.Spec.Chart = chartName
obj.Spec.Version = chartVersion
obj.Status.ObservedGeneration = 2
obj.Status.Artifact = &sourcev1.Artifact{Path: chartName + "-" + chartVersion + ".tgz"}
},
want: sreconcile.ResultSuccess,
assertFunc: func(g *WithT, obj *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Name).To(Equal(chartName))
g.Expect(build.Version).To(Equal(chartVersion))
g.Expect(build.Path).ToNot(Equal(filepath.Join(serverFactory.Root(), obj.Status.Artifact.Path)))
g.Expect(build.Path).To(BeARegularFile())
},
cleanFunc: func(g *WithT, build *chart.Build) {
g.Expect(os.Remove(build.Path)).To(Succeed())
},
},
{
name: "Event on unsuccessful secret retrieval",
beforeFunc: func(_ *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
repository.Spec.SecretRef = &meta.LocalObjectReference{
Name: "invalid",
}
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Event{Err: errors.New("failed to get secret 'invalid'")},
assertFunc: func(g *WithT, obj *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, sourcev1.AuthenticationFailedReason, "failed to get secret 'invalid'"),
}))
},
},
{
name: "Stalling on invalid client options",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
repository.Spec.URL = "file://unsupported" // Unsupported protocol
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Stalling{Err: errors.New("scheme \"file\" not supported")},
assertFunc: func(g *WithT, obj *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, meta.FailedReason, "failed to construct Helm client"),
}))
},
},
{
name: "Stalling on invalid repository URL",
beforeFunc: func(obj *sourcev1.HelmChart, repository *sourcev1.HelmRepository) {
repository.Spec.URL = "://unsupported" // Invalid URL
},
want: sreconcile.ResultEmpty,
wantErr: &serror.Stalling{Err: errors.New("missing protocol scheme")},
assertFunc: func(g *WithT, obj *sourcev1.HelmChart, build chart.Build) {
g.Expect(build.Complete()).To(BeFalse())
g.Expect(obj.Status.Conditions).To(conditions.MatchConditions([]metav1.Condition{
*conditions.TrueCondition(sourcev1.FetchFailedCondition, sourcev1.URLInvalidReason, "invalid Helm repository URL"),
}))
},
},
{
name: "BuildError on temporary build error",
beforeFunc: func(obj *sourcev1.HelmChart, _ *sourcev1.HelmRepository) {
obj.Spec.Chart = "invalid"
},
want: sreconcile.ResultEmpty,
wantErr: &chart.BuildError{Err: errors.New("failed to get chart version for remote reference")},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
g := NewWithT(t)
server := testserver.NewHTTPServer(serverFactory.Root())
server.Start()
defer server.Stop()
if len(tt.server.username+tt.server.password) > 0 {
server.WithMiddleware(func(handler http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
u, p, ok := r.BasicAuth()
if !ok || u != tt.server.username || p != tt.server.password {
w.WriteHeader(401)
return
}
handler.ServeHTTP(w, r)
})
})
}
clientBuilder := fake.NewClientBuilder()
if tt.secret != nil {
clientBuilder.WithObjects(tt.secret.DeepCopy())
}
storage, err := newTestStorage(server)
g.Expect(err).ToNot(HaveOccurred())
r := &HelmChartReconciler{
Client: clientBuilder.Build(),
EventRecorder: record.NewFakeRecorder(32),
Getters: testGetters,
Storage: storage,
}
repository := &sourcev1.HelmRepository{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-",
},
Spec: sourcev1.HelmRepositorySpec{
URL: server.URL(),
Timeout: &metav1.Duration{Duration: timeout},
},
Status: sourcev1.HelmRepositoryStatus{
Artifact: &sourcev1.Artifact{
Path: "index.yaml",
},
},
}
obj := &sourcev1.HelmChart{
ObjectMeta: metav1.ObjectMeta{
GenerateName: "helmrepository-",
},
Spec: sourcev1.HelmChartSpec{},
}
if tt.beforeFunc != nil {
tt.beforeFunc(obj, repository)
}
var b chart.Build
if tt.cleanFunc != nil {
defer tt.cleanFunc(g, &b)
}
got, err := r.buildFromHelmRepository(context.TODO(), obj, repository, &b)
g.Expect(err != nil).To(Equal(tt.wantErr != nil))
if tt.wantErr != nil {
g.Expect(reflect.TypeOf(err).String()).To(Equal(reflect.TypeOf(tt.wantErr).String()))
g.Expect(err.Error()).To(ContainSubstring(tt.wantErr.Error()))
}
g.Expect(got).To(Equal(tt.want))
if tt.assertFunc != nil {
tt.assertFunc(g, obj, b)
}
})
}
}
func TestHelmChartReconciler_buildFromTarballArtifact(t *testing.T) {
g := NewWithT(t)
tmpDir, err := os.MkdirTemp("", "reconcile-tarball-")
g.Expect(err).ToNot(HaveOccurred())
defer os.RemoveAll(tmpDir)
storage, err := NewStorage(tmpDir, "example.com", timeout)
g.Expect(err).ToNot(HaveOccurred())
chartsArtifact := &sourcev1.Artifact{
Revision: "mock-ref/abcdefg12345678",
Path: "mock.tgz",
}
g.Expect(storage.Archive(chartsArtifact, "testdata/charts", nil)).To(Succeed())
yamlArtifact := &sourcev1.Artifact{
Revision: "9876abcd",
Path: "values.yaml",
}
g.Expect(storage.CopyFromPath(yamlArtifact, "testdata/charts/helmchart/values.yaml")).To(Succeed())
cachedArtifact := &sourcev1.Artifact{