Add possibility to specify poll interval

Currently, there is no way to specify poll interval for
kubernetes-apply phases, however such possibility exists
in cli-utils API and could be helpful for tuning apply
process.

Change-Id: I605767d589920d0f1e10343afd9672c8d615a46a
Signed-off-by: Ruslan Aliev <raliev@mirantis.com>

manifests/phases/executors.yaml

@@ -20,6 +20,7 @@ metadata:
 config:
   waitOptions:
     timeout: 5000
+    pollInterval: 30
   pruneOptions:
     prune: false
 ---

pkg/api/v1alpha1/kubernetes_apply_types.go

@@ -38,6 +38,8 @@ type ApplyConfig struct {
 type ApplyWaitOptions struct {
 	// Timeout in seconds
 	Timeout int `json:"timeout,omitempty"`
+	// PollInterval in seconds
+	PollInterval int `json:"pollInterval,omitempty"`
 }
 
 // ApplyPruneOptions provides instructions how to prune for kubernetes resources

pkg/k8s/applier/apply_options.go

@@ -23,6 +23,7 @@ import (
 // ApplyOptions struct that hold options for apply operation
 type ApplyOptions struct {
 	WaitTimeout    time.Duration
+	PollInterval   time.Duration
 	DryRunStrategy common.DryRunStrategy
 	Prune          bool
 	BundleName     string

pkg/phase/executors/k8s_applier.go

@@ -95,6 +95,7 @@ func (e *KubeApplierExecutor) Run(ch chan events.Event, runOpts ifc.RunOptions)
 	if runOpts.Timeout != nil {
 		timeout = *runOpts.Timeout
 	}
+	pollInterval := time.Second * time.Duration(e.apiObject.Config.WaitOptions.PollInterval)
 
 	log.Debugf("WaitTimeout: %v", timeout)
 	applyOptions := k8sapplier.ApplyOptions{
@@ -102,6 +103,7 @@ func (e *KubeApplierExecutor) Run(ch chan events.Event, runOpts ifc.RunOptions)
 		Prune:          e.apiObject.Config.PruneOptions.Prune,
 		BundleName:     e.BundleName,
 		WaitTimeout:    timeout,
+		PollInterval:   pollInterval,
 	}
 	applier.ApplyBundle(filteredBundle, applyOptions)
 }