Files
argo-cd/controller/appcontroller_test.go
2019-06-04 18:17:41 -07:00

484 lines
16 KiB
Go

package controller
import (
"context"
"testing"
"time"
"github.com/ghodss/yaml"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/mock"
corev1 "k8s.io/api/core/v1"
apierr "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/client-go/kubernetes/fake"
kubetesting "k8s.io/client-go/testing"
"k8s.io/client-go/tools/cache"
"github.com/argoproj/argo-cd/common"
mockstatecache "github.com/argoproj/argo-cd/controller/cache/mocks"
argoappv1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1"
appclientset "github.com/argoproj/argo-cd/pkg/client/clientset/versioned/fake"
mockreposerver "github.com/argoproj/argo-cd/reposerver/mocks"
"github.com/argoproj/argo-cd/reposerver/repository"
mockrepoclient "github.com/argoproj/argo-cd/reposerver/repository/mocks"
"github.com/argoproj/argo-cd/test"
utilcache "github.com/argoproj/argo-cd/util/cache"
"github.com/argoproj/argo-cd/util/kube"
"github.com/argoproj/argo-cd/util/settings"
)
type fakeData struct {
apps []runtime.Object
manifestResponse *repository.ManifestResponse
managedLiveObjs map[kube.ResourceKey]*unstructured.Unstructured
}
func newFakeController(data *fakeData) *ApplicationController {
var clust corev1.Secret
err := yaml.Unmarshal([]byte(fakeCluster), &clust)
if err != nil {
panic(err)
}
// Mock out call to GenerateManifest
mockRepoClient := mockrepoclient.RepoServerServiceClient{}
mockRepoClient.On("GenerateManifest", mock.Anything, mock.Anything).Return(data.manifestResponse, nil)
mockRepoClientset := mockreposerver.Clientset{}
mockRepoClientset.On("NewRepoServerClient").Return(&fakeCloser{}, &mockRepoClient, nil)
secret := corev1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "argocd-secret",
Namespace: test.FakeArgoCDNamespace,
},
Data: map[string][]byte{
"admin.password": []byte("test"),
"server.secretkey": []byte("test"),
},
}
cm := corev1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "argocd-cm",
Namespace: test.FakeArgoCDNamespace,
},
Data: nil,
}
kubeClient := fake.NewSimpleClientset(&clust, &cm, &secret)
settingsMgr := settings.NewSettingsManager(context.Background(), kubeClient, test.FakeArgoCDNamespace)
ctrl, err := NewApplicationController(
test.FakeArgoCDNamespace,
settingsMgr,
kubeClient,
appclientset.NewSimpleClientset(data.apps...),
&mockRepoClientset,
utilcache.NewCache(utilcache.NewInMemoryCache(1*time.Hour)),
time.Minute,
common.DefaultPortArgoCDMetrics,
)
if err != nil {
panic(err)
}
cancelProj := test.StartInformer(ctrl.projInformer)
defer cancelProj()
cancelApp := test.StartInformer(ctrl.appInformer)
defer cancelApp()
// Mock out call to GetManagedLiveObjs if fake data supplied
if data.managedLiveObjs != nil {
mockStateCache := mockstatecache.LiveStateCache{}
mockStateCache.On("GetManagedLiveObjs", mock.Anything, mock.Anything).Return(data.managedLiveObjs, nil)
mockStateCache.On("IsNamespaced", mock.Anything, mock.Anything).Return(true, nil)
ctrl.stateCache = &mockStateCache
ctrl.appStateManager.(*appStateManager).liveStateCache = &mockStateCache
}
return ctrl
}
type fakeCloser struct{}
func (f *fakeCloser) Close() error { return nil }
var fakeCluster = `
apiVersion: v1
data:
# {"bearerToken":"fake","tlsClientConfig":{"insecure":true},"awsAuthConfig":null}
config: eyJiZWFyZXJUb2tlbiI6ImZha2UiLCJ0bHNDbGllbnRDb25maWciOnsiaW5zZWN1cmUiOnRydWV9LCJhd3NBdXRoQ29uZmlnIjpudWxsfQ==
# minikube
name: aHR0cHM6Ly9sb2NhbGhvc3Q6NjQ0Mw==
# https://localhost:6443
server: aHR0cHM6Ly9sb2NhbGhvc3Q6NjQ0Mw==
kind: Secret
metadata:
labels:
argocd.argoproj.io/secret-type: cluster
name: some-secret
namespace: ` + test.FakeArgoCDNamespace + `
type: Opaque
`
var fakeApp = `
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
uid: "123"
name: my-app
namespace: ` + test.FakeArgoCDNamespace + `
spec:
destination:
namespace: ` + test.FakeDestNamespace + `
server: https://localhost:6443
project: default
source:
path: some/path
repoURL: https://github.com/argoproj/argocd-example-apps.git
syncPolicy:
automated: {}
status:
operationState:
finishedAt: 2018-09-21T23:50:29Z
message: successfully synced
operation:
sync:
revision: HEAD
phase: Succeeded
startedAt: 2018-09-21T23:50:25Z
syncResult:
resources:
- kind: RoleBinding
message: |-
rolebinding.rbac.authorization.k8s.io/always-outofsync reconciled
rolebinding.rbac.authorization.k8s.io/always-outofsync configured
name: always-outofsync
namespace: default
status: Synced
revision: aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
source:
path: some/path
repoURL: https://github.com/argoproj/argocd-example-apps.git
`
func newFakeApp() *argoappv1.Application {
var app argoappv1.Application
err := yaml.Unmarshal([]byte(fakeApp), &app)
if err != nil {
panic(err)
}
return &app
}
func TestAutoSync(t *testing.T) {
app := newFakeApp()
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.NotNil(t, app.Operation)
assert.NotNil(t, app.Operation.Sync)
assert.False(t, app.Operation.Sync.Prune)
}
func TestSkipAutoSync(t *testing.T) {
// Verify we skip when we previously synced to it in our most recent history
// Set current to 'aaaaa', desired to 'aaaa' and mark system OutOfSync
{
app := newFakeApp()
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
// Verify we skip when we are already Synced (even if revision is different)
{
app := newFakeApp()
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeSynced,
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
// Verify we skip when auto-sync is disabled
{
app := newFakeApp()
app.Spec.SyncPolicy = nil
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
// Verify we skip when application is marked for deletion
{
app := newFakeApp()
now := metav1.Now()
app.DeletionTimestamp = &now
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
// Verify we skip when previous sync attempt failed and return error condition
// Set current to 'aaaaa', desired to 'bbbbb' and add 'bbbbb' to failure history
{
app := newFakeApp()
app.Status.OperationState = &argoappv1.OperationState{
Operation: argoappv1.Operation{
Sync: &argoappv1.SyncOperation{},
},
Phase: argoappv1.OperationFailed,
SyncResult: &argoappv1.SyncOperationResult{
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
Source: *app.Spec.Source.DeepCopy(),
},
}
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
}
cond := ctrl.autoSync(app, &syncStatus)
assert.NotNil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
}
// TestAutoSyncIndicateError verifies we skip auto-sync and return error condition if previous sync failed
func TestAutoSyncIndicateError(t *testing.T) {
app := newFakeApp()
app.Spec.Source.Helm = &argoappv1.ApplicationSourceHelm{
Parameters: []argoappv1.HelmParameter{
{
Name: "a",
Value: "1",
},
},
}
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
}
app.Status.OperationState = &argoappv1.OperationState{
Operation: argoappv1.Operation{
Sync: &argoappv1.SyncOperation{
Source: app.Spec.Source.DeepCopy(),
},
},
Phase: argoappv1.OperationFailed,
SyncResult: &argoappv1.SyncOperationResult{
Revision: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
Source: *app.Spec.Source.DeepCopy(),
},
}
cond := ctrl.autoSync(app, &syncStatus)
assert.NotNil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.Nil(t, app.Operation)
}
// TestAutoSyncParameterOverrides verifies we auto-sync if revision is same but parameter overrides are different
func TestAutoSyncParameterOverrides(t *testing.T) {
app := newFakeApp()
app.Spec.Source.Helm = &argoappv1.ApplicationSourceHelm{
Parameters: []argoappv1.HelmParameter{
{
Name: "a",
Value: "1",
},
},
}
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
syncStatus := argoappv1.SyncStatus{
Status: argoappv1.SyncStatusCodeOutOfSync,
Revision: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
}
app.Status.OperationState = &argoappv1.OperationState{
Operation: argoappv1.Operation{
Sync: &argoappv1.SyncOperation{
Source: &argoappv1.ApplicationSource{
Helm: &argoappv1.ApplicationSourceHelm{
Parameters: []argoappv1.HelmParameter{
{
Name: "a",
Value: "2", // this value changed
},
},
},
},
},
},
Phase: argoappv1.OperationFailed,
SyncResult: &argoappv1.SyncOperationResult{
Revision: "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
},
}
cond := ctrl.autoSync(app, &syncStatus)
assert.Nil(t, cond)
app, err := ctrl.applicationClientset.ArgoprojV1alpha1().Applications(test.FakeArgoCDNamespace).Get("my-app", metav1.GetOptions{})
assert.NoError(t, err)
assert.NotNil(t, app.Operation)
}
// TestFinalizeAppDeletion verifies application deletion
func TestFinalizeAppDeletion(t *testing.T) {
app := newFakeApp()
app.Spec.Destination.Namespace = test.FakeArgoCDNamespace
appObj := kube.MustToUnstructured(&app)
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}, managedLiveObjs: map[kube.ResourceKey]*unstructured.Unstructured{
kube.GetResourceKey(appObj): appObj,
}})
patched := false
fakeAppCs := ctrl.applicationClientset.(*appclientset.Clientset)
defaultReactor := fakeAppCs.ReactionChain[0]
fakeAppCs.ReactionChain = nil
fakeAppCs.AddReactor("get", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) {
return defaultReactor.React(action)
})
fakeAppCs.AddReactor("patch", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) {
patched = true
return true, nil, nil
})
err := ctrl.finalizeApplicationDeletion(app)
assert.NoError(t, err)
assert.True(t, patched)
}
// TestNormalizeApplication verifies we normalize an application during reconciliation
func TestNormalizeApplication(t *testing.T) {
defaultProj := argoappv1.AppProject{
ObjectMeta: metav1.ObjectMeta{
Name: "default",
Namespace: test.FakeArgoCDNamespace,
},
Spec: argoappv1.AppProjectSpec{
SourceRepos: []string{"*"},
Destinations: []argoappv1.ApplicationDestination{
{
Server: "*",
Namespace: "*",
},
},
},
}
app := newFakeApp()
app.Spec.Project = ""
app.Spec.Source.Kustomize = &argoappv1.ApplicationSourceKustomize{NamePrefix: "foo-"}
data := fakeData{
apps: []runtime.Object{app, &defaultProj},
manifestResponse: &repository.ManifestResponse{
Manifests: []string{},
Namespace: test.FakeDestNamespace,
Server: test.FakeClusterURL,
Revision: "abc123",
},
managedLiveObjs: make(map[kube.ResourceKey]*unstructured.Unstructured),
}
{
// Verify we normalize the app because project is missing
ctrl := newFakeController(&data)
key, _ := cache.MetaNamespaceKeyFunc(app)
ctrl.appRefreshQueue.Add(key)
fakeAppCs := ctrl.applicationClientset.(*appclientset.Clientset)
fakeAppCs.ReactionChain = nil
normalized := false
fakeAppCs.AddReactor("patch", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) {
if patchAction, ok := action.(kubetesting.PatchAction); ok {
if string(patchAction.GetPatch()) == `{"spec":{"project":"default"}}` {
normalized = true
}
}
return true, nil, nil
})
ctrl.processAppRefreshQueueItem()
assert.True(t, normalized)
}
{
// Verify we don't unnecessarily normalize app when project is set
app.Spec.Project = "default"
data.apps[0] = app
ctrl := newFakeController(&data)
key, _ := cache.MetaNamespaceKeyFunc(app)
ctrl.appRefreshQueue.Add(key)
fakeAppCs := ctrl.applicationClientset.(*appclientset.Clientset)
fakeAppCs.ReactionChain = nil
normalized := false
fakeAppCs.AddReactor("patch", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) {
if patchAction, ok := action.(kubetesting.PatchAction); ok {
if string(patchAction.GetPatch()) == `{"spec":{"project":"default"}}` {
normalized = true
}
}
return true, nil, nil
})
ctrl.processAppRefreshQueueItem()
assert.False(t, normalized)
}
}
func TestHandleAppUpdated(t *testing.T) {
app := newFakeApp()
app.Spec.Destination.Namespace = test.FakeArgoCDNamespace
app.Spec.Destination.Server = common.KubernetesInternalAPIServerAddr
ctrl := newFakeController(&fakeData{apps: []runtime.Object{app}})
ctrl.handleAppUpdated(app.Name, true, kube.GetObjectRef(kube.MustToUnstructured(app)))
isRequested, _ := ctrl.isRefreshRequested(app.Name)
assert.False(t, isRequested)
ctrl.handleAppUpdated(app.Name, true, corev1.ObjectReference{UID: "test", Kind: kube.DeploymentKind, Name: "test", Namespace: "default"})
isRequested, _ = ctrl.isRefreshRequested(app.Name)
assert.True(t, isRequested)
}
func TestSetOperationStateOnDeletedApp(t *testing.T) {
ctrl := newFakeController(&fakeData{apps: []runtime.Object{}})
fakeAppCs := ctrl.applicationClientset.(*appclientset.Clientset)
fakeAppCs.ReactionChain = nil
patched := false
fakeAppCs.AddReactor("patch", "*", func(action kubetesting.Action) (handled bool, ret runtime.Object, err error) {
patched = true
return true, nil, apierr.NewNotFound(schema.GroupResource{}, "my-app")
})
ctrl.setOperationState(newFakeApp(), &argoappv1.OperationState{Phase: argoappv1.OperationSucceeded})
assert.True(t, patched)
}