ability to create different waiters

Signed-off-by: Austin Abro <AustinAbro321@gmail.com>

pkg/action/action.go

@@ -371,7 +371,7 @@ func (cfg *Configuration) recordRelease(r *release.Release) {
 
 // Init initializes the action configuration
 func (cfg *Configuration) Init(getter genericclioptions.RESTClientGetter, namespace, helmDriver string, log DebugLog) error {
-	kc, err := kube.New(getter, nil)
+	kc, err := kube.New(getter, kube.StatusWaiter)
 	if err != nil {
 		return err
 	}

pkg/kube/client.go

@@ -88,6 +88,13 @@ type Client struct {
 	Waiter
 }
 
+type WaitStrategy int
+
+const (
+	StatusWaiter WaitStrategy = iota
+	LegacyWaiter
+)
+
 func init() {
 	// Add CRDs to the scheme. They are missing by default.
 	if err := apiextv1.AddToScheme(scheme.Scheme); err != nil {
@@ -112,21 +119,37 @@ func getStatusWatcher(factory Factory) (watcher.StatusWatcher, error) {
 	return sw, nil
 }
 
-// New creates a new Client.
-func New(getter genericclioptions.RESTClientGetter, waiter Waiter) (*Client, error) {
-	if getter == nil {
-		getter = genericclioptions.NewConfigFlags(true)
-	}
-	factory := cmdutil.NewFactory(getter)
-	if waiter == nil {
+func NewWaiter(strategy WaitStrategy, factory Factory, log func(string, ...interface{})) (Waiter, error) {
+	switch strategy {
+	case LegacyWaiter:
+		kc, err := factory.KubernetesClientSet()
+		if err != nil {
+			return nil, err
+		}
+		return &waiter{kubeClient: kc, log: log}, nil
+	case StatusWaiter:
 		sw, err := getStatusWatcher(factory)
 		if err != nil {
 			return nil, err
 		}
-		waiter = &statusWaiter{
+		return &statusWaiter{
 			sw:  sw,
-			log: nopLogger,
-		}
+			log: log,
+		}, nil
+	default:
+		return nil, errors.New("unknown wait strategy")
+	}
+}
+
+// New creates a new Client.
+func New(getter genericclioptions.RESTClientGetter, ws WaitStrategy) (*Client, error) {
+	if getter == nil {
+		getter = genericclioptions.NewConfigFlags(true)
+	}
+	factory := cmdutil.NewFactory(getter)
+	waiter, err := NewWaiter(ws, factory, nopLogger)
+	if err != nil {
+		return nil, err
 	}
 	return &Client{
 		Factory: factory,

pkg/kube/client_test.go

@@ -453,10 +453,6 @@ func TestPerform(t *testing.T) {
 	}
 }
 
-// Likely it is not possible to get this test to work with kstatus given that it seems
-// kstatus is not making constant get checks on the resources and is instead waiting for events
-// Potentially the test could be reworked to make the pods after five seconds
-// would need this ->
 func TestWait(t *testing.T) {
 	podList := newPodList("starfish", "otter", "squid")
 
@@ -517,16 +513,11 @@ func TestWait(t *testing.T) {
 			}
 		}),
 	}
-	cs, err := c.getKubeClient()
+	waiter, err := NewWaiter(LegacyWaiter, c.Factory, c.Log)
 	if err != nil {
 		t.Fatal(err)
 	}
-	checker := NewReadyChecker(cs, c.Log, PausedAsReady(true))
-	c.Waiter = &waiter{
-		c:       checker,
-		log:     c.Log,
-		timeout: time.Second * 30,
-	}
+	c.Waiter = waiter
 	resources, err := c.Build(objBody(&podList), false)
 	if err != nil {
 		t.Fatal(err)
@@ -579,16 +570,11 @@ func TestWaitJob(t *testing.T) {
 			}
 		}),
 	}
-	cs, err := c.getKubeClient()
+	waiter, err := NewWaiter(LegacyWaiter, c.Factory, c.Log)
 	if err != nil {
 		t.Fatal(err)
 	}
-	checker := NewReadyChecker(cs, c.Log, PausedAsReady(true), CheckJobs(true))
-	c.Waiter = &waiter{
-		c:       checker,
-		log:     c.Log,
-		timeout: time.Second * 30,
-	}
+	c.Waiter = waiter
 	resources, err := c.Build(objBody(job), false)
 	if err != nil {
 		t.Fatal(err)
@@ -643,16 +629,11 @@ func TestWaitDelete(t *testing.T) {
 			}
 		}),
 	}
-	cs, err := c.getKubeClient()
+	waiter, err := NewWaiter(LegacyWaiter, c.Factory, c.Log)
 	if err != nil {
 		t.Fatal(err)
 	}
-	checker := NewReadyChecker(cs, c.Log, PausedAsReady(true))
-	c.Waiter = &waiter{
-		c:       checker,
-		log:     c.Log,
-		timeout: time.Second * 30,
-	}
+	c.Waiter = waiter
 	resources, err := c.Build(objBody(&pod), false)
 	if err != nil {
 		t.Fatal(err)
@@ -679,7 +660,7 @@ func TestWaitDelete(t *testing.T) {
 
 func TestReal(t *testing.T) {
 	t.Skip("This is a live test, comment this line to run")
-	c, err := New(nil, nil)
+	c, err := New(nil, StatusWaiter)
 	if err != nil {
 		t.Fatal(err)
 	}
@@ -692,7 +673,7 @@ func TestReal(t *testing.T) {
 	}
 
 	testSvcEndpointManifest := testServiceManifest + "\n---\n" + testEndpointManifest
-	c, err = New(nil, nil)
+	c, err = New(nil, StatusWaiter)
 	if err != nil {
 		t.Fatal(err)
 	}

pkg/kube/wait.go

@@ -46,13 +46,6 @@ type waiter struct {
 	kubeClient *kubernetes.Clientset
 }
 
-func (w *waiter) NewLegacyWaiter(kubeClient *kubernetes.Clientset, log func(string, ...interface{})) *waiter {
-	return &waiter{
-		log:        log,
-		kubeClient: kubeClient,
-	}
-}
-
 func (w *waiter) Wait(resources ResourceList, timeout time.Duration) error {
 	w.c = NewReadyChecker(w.kubeClient, w.log, PausedAsReady(true))
 	w.timeout = timeout