Issue #337 Add resource as parameter for waitForOpenshiftAPIServer fu…

…nction

As of now we are just using `oc get pods` to check if apiserver is running.
What actually happen non-core resource take some time and it might fails something like below.

```
error: the server doesn't have a resource type "proxy"
```

pkg/crc/cluster/cluster.go

@@ -93,7 +93,7 @@ func AddPullSecret(sshRunner *ssh.SSHRunner, oc oc.OcConfig, pullSec string) err
 		fmt.Sprintf(`{"data":{".dockerconfigjson":"%s"}}`, base64OfPullSec),
 		"-n", "openshift-config", "--type", "merge"}
 
-	if err := waitForOpenshiftAPIServer(oc); err != nil {
+	if err := waitForOpenshiftAPIServer(oc, "secret"); err != nil {
 		return err
 	}
 	_, stderr, err := oc.RunOcCommand(cmdArgs...)
@@ -108,7 +108,7 @@ func UpdateClusterID(oc oc.OcConfig) error {
 	cmdArgs := []string{"patch", "clusterversion", "version", "-p",
 		fmt.Sprintf(`{"spec":{"clusterID":"%s"}}`, clusterID), "--type", "merge"}
 
-	if err := waitForOpenshiftAPIServer(oc); err != nil {
+	if err := waitForOpenshiftAPIServer(oc, "clusterversion"); err != nil {
 		return err
 	}
 	_, stderr, err := oc.RunOcCommand(cmdArgs...)
@@ -144,7 +144,7 @@ func AddProxyConfigToCluster(oc oc.OcConfig, proxy *network.ProxyConfig) error {
 		fmt.Sprintf(`{"spec":{"httpProxy":"%s", "httpsProxy":"%s", "noProxy":"%s"}}`, proxy.HttpProxy, proxy.HttpsProxy, proxy.NoProxy),
 		"-n", "openshift-config", "--type", "merge"}
 
-	if err := waitForOpenshiftAPIServer(oc); err != nil {
+	if err := waitForOpenshiftAPIServer(oc, "proxy"); err != nil {
 		return err
 	}
 	if _, stderr, err := oc.RunOcCommand(cmdArgs...); err != nil {
@@ -185,13 +185,14 @@ func addPullSecretToInstanceDisk(sshRunner *ssh.SSHRunner, pullSec string) error
 	return nil
 }
 
-func waitForOpenshiftAPIServer(oc oc.OcConfig) error {
+func waitForOpenshiftAPIServer(oc oc.OcConfig, resource string) error {
 	waitForApiServer := func() error {
-		_, stderr, err := oc.RunOcCommand("get", "pods")
+		stdout, stderr, err := oc.RunOcCommand("get", resource)
 		if err != nil {
 			logging.Debug(stderr)
 			return &errors.RetriableError{Err: err}
 		}
+		logging.Debug(stdout)
 		return nil
 	}
 	return errors.RetryAfter(80, waitForApiServer, time.Second)