// TestProcess_changeForUnregisteredTag ensures that an image update for which
// there is a matching trigger results in a no-op due to the tag specified on
// the trigger not matching the tags defined on the image stream.
func TestProcess_changeForUnregisteredTag(t *testing.T) {
config := deploytest.OkDeploymentConfig(0)
stream := deploytest.OkStreamForConfig(config)
// The image has been resolved at least once before.
config.Spec.Triggers[0].ImageChangeParams.From.Name = imageapi.JoinImageStreamTag(stream.Name, "unrelatedtag")
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action core.Action) (handled bool, ret runtime.Object, err error) {
return true, stream, nil
})
image := config.Spec.Template.Spec.Containers[0].Image
// verify no-op; should be the same for force=true and force=false
if err := processTriggers(config, fake, false); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if image != config.Spec.Template.Spec.Containers[0].Image {
t.Fatalf("unexpected image update: %#v", config.Spec.Template.Spec.Containers[0].Image)
}
if err := processTriggers(config, fake, true); err != nil {
t.Fatalf("unexpected error when forced: %v", err)
}
if image != config.Spec.Template.Spec.Containers[0].Image {
t.Fatalf("unexpected image update when forced: %#v", config.Spec.Template.Spec.Containers[0].Image)
}
}
func TestInstall_canary(t *testing.T) {
fake := fake.NewSimpleClientset()
fake.AddReactor("create", "deployments", func(action testcore.Action) (bool, runtime.Object, error) {
obj := action.(testcore.CreateAction).GetObject().(*extensions.Deployment)
i := obj.Spec.Template.Spec.Containers[0].Image
if i != "gcr.io/kubernetes-helm/tiller:canary" {
t.Errorf("expected canary image, got '%s'", i)
}
return true, obj, nil
})
err := Install(fake.Extensions(), api.NamespaceDefault, "", true, false)
if err != nil {
t.Errorf("unexpected error: %#+v", err)
}
}
func TestDeploymentNotFoundError(t *testing.T) {
name := "foo"
ns := "default"
deployment := &extensions.Deployment{
ObjectMeta: api.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: extensions.DeploymentSpec{
Replicas: 0,
Selector: &unversioned.LabelSelector{MatchLabels: map[string]string{"k1": "v1"}},
},
Status: extensions.DeploymentStatus{
Replicas: 0,
},
}
template := deploymentutil.GetNewReplicaSetTemplateInternal(deployment)
fake := fake.NewSimpleClientset(
deployment,
&extensions.ReplicaSetList{Items: []extensions.ReplicaSet{
{
ObjectMeta: api.ObjectMeta{
Name: name,
Namespace: ns,
},
Spec: extensions.ReplicaSetSpec{
Template: template,
},
},
},
},
)
fake.AddReactor("get", "replicasets", func(action testcore.Action) (handled bool, ret runtime.Object, err error) {
return true, nil, ScaleError{ActualError: errors.NewNotFound(api.Resource("replicaset"), "doesn't-matter")}
})
reaper := DeploymentReaper{fake.Extensions(), fake.Extensions(), time.Millisecond, time.Millisecond}
if err := reaper.Stop(ns, name, 0, nil); err != nil {
t.Fatalf("unexpected error: %#v", err)
}
}
// TestHandle_imageChangeTrigger ensures that a config with an image change
// trigger will be reconciled.
func TestHandle_imageChangeTrigger(t *testing.T) {
updated := false
fake := &testclient.Fake{}
fake.AddReactor("update", "deploymentconfigs/instantiate", func(action ktestclient.Action) (handled bool, ret runtime.Object, err error) {
updated = true
return true, nil, nil
})
controller := NewDeploymentTriggerController(dcInformer, rcInformer, streamInformer, fake, codec)
config := testapi.OkDeploymentConfig(0)
config.Namespace = kapi.NamespaceDefault
config.Spec.Triggers = []deployapi.DeploymentTriggerPolicy{testapi.OkImageChangeTrigger()}
if err := controller.Handle(config); err != nil {
t.Fatalf("unexpected error: %v", err)
}
if !updated {
t.Fatalf("expected config to be instantiated")
}
}
func TestInstall(t *testing.T) {
image := "gcr.io/kubernetes-helm/tiller:v2.0.0"
fake := fake.NewSimpleClientset()
fake.AddReactor("create", "deployments", func(action testcore.Action) (bool, runtime.Object, error) {
obj := action.(testcore.CreateAction).GetObject().(*extensions.Deployment)
l := obj.GetLabels()
if reflect.DeepEqual(l, map[string]string{"app": "helm"}) {
t.Errorf("expected labels = '', got '%s'", l)
}
i := obj.Spec.Template.Spec.Containers[0].Image
if i != image {
t.Errorf("expected image = '%s', got '%s'", image, i)
}
return true, obj, nil
})
err := Install(fake.Extensions(), api.NamespaceDefault, image, false, false)
if err != nil {
t.Errorf("unexpected error: %#+v", err)
}
}
// TestProcess_changeForNonAutomaticTag ensures that an image update for which
// there is a matching trigger results in a no-op due to the trigger's
// automatic flag being set to false or updates the config if forced.
func TestProcess_changeForNonAutomaticTag(t *testing.T) {
tests := []struct {
name string
force bool
expected bool
expectedErr bool
}{
{
name: "normal update",
force: false,
expected: false,
expectedErr: false,
},
{
name: "forced update",
force: true,
expected: true,
expectedErr: false,
},
}
for _, test := range tests {
config := deploytest.OkDeploymentConfig(1)
config.Namespace = kapi.NamespaceDefault
config.Spec.Triggers[0].ImageChangeParams.Automatic = false
// The image has been resolved at least once before.
config.Spec.Triggers[0].ImageChangeParams.LastTriggeredImage = deploytest.DockerImageReference
stream := deploytest.OkStreamForConfig(config)
config.Spec.Triggers[0].ImageChangeParams.LastTriggeredImage = "someotherresolveddockerimagereference"
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action core.Action) (handled bool, ret runtime.Object, err error) {
if !test.expected {
t.Errorf("unexpected imagestream call")
}
return true, stream, nil
})
image := config.Spec.Template.Spec.Containers[0].Image
// Force equals to false; we shouldn't update the config anyway
err := processTriggers(config, fake, test.force)
if err == nil && test.expectedErr {
t.Errorf("%s: expected an error", test.name)
continue
}
if err != nil && !test.expectedErr {
t.Errorf("%s: unexpected error: %v", test.name, err)
continue
}
if test.expected && config.Spec.Template.Spec.Containers[0].Image == image {
t.Errorf("%s: expected an image update but got none", test.name)
} else if !test.expected && config.Spec.Template.Spec.Containers[0].Image != image {
t.Errorf("%s: didn't expect an image update but got %s", test.name, image)
}
}
}
// TestProcess_matchScenarios comprehensively tests trigger definitions against
// image stream updates to ensure that the image change triggers match (or don't
// match) properly.
func TestProcess_matchScenarios(t *testing.T) {
tests := []struct {
name string
param *deployapi.DeploymentTriggerImageChangeParams
notFound bool
expected bool
}{
{
name: "automatic=true, initial trigger, explicit namespace",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: kapi.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: true,
},
{
name: "automatic=true, initial trigger, implicit namespace",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: true,
},
{
name: "automatic=false, initial trigger",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: false,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: kapi.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
expected: false,
},
{
name: "(no-op) automatic=false, already triggered",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: false,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: kapi.NamespaceDefault, Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: deploytest.DockerImageReference,
},
expected: false,
},
{
name: "(no-op) automatic=true, image is already deployed",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Name: imageapi.JoinImageStreamTag(deploytest.ImageStreamName, imageapi.DefaultImageTag)},
LastTriggeredImage: deploytest.DockerImageReference,
},
expected: false,
},
{
name: "(no-op) trigger doesn't match the stream",
param: &deployapi.DeploymentTriggerImageChangeParams{
Automatic: true,
ContainerNames: []string{"container1"},
From: kapi.ObjectReference{Namespace: kapi.NamespaceDefault, Name: imageapi.JoinImageStreamTag("other-stream", imageapi.DefaultImageTag)},
LastTriggeredImage: "",
},
notFound: true,
expected: false,
},
}
for i := range tests {
test := tests[i]
t.Logf("running test %q", test.name)
fake := &testclient.Fake{}
fake.AddReactor("get", "imagestreams", func(action core.Action) (handled bool, ret runtime.Object, err error) {
if test.notFound {
name := action.(core.GetAction).GetName()
return true, nil, errors.NewNotFound(imageapi.Resource("ImageStream"), name)
}
stream := fakeStream(deploytest.ImageStreamName, imageapi.DefaultImageTag, deploytest.DockerImageReference, deploytest.ImageID)
return true, stream, nil
})
config := deploytest.OkDeploymentConfig(1)
config.Namespace = kapi.NamespaceDefault
config.Spec.Triggers = []deployapi.DeploymentTriggerPolicy{
{
Type: deployapi.DeploymentTriggerOnImageChange,
ImageChangeParams: test.param,
},
}
image := config.Spec.Template.Spec.Containers[0].Image
err := processTriggers(config, fake, false)
if err != nil {
t.Errorf("unexpected error: %v", err)
continue
}
if test.expected && config.Spec.Template.Spec.Containers[0].Image == image {
t.Errorf("%s: expected an image update but got none", test.name)
} else if !test.expected && config.Spec.Template.Spec.Containers[0].Image != image {
t.Errorf("%s: didn't expect an image update but got %s", test.name, image)
}
}
}