Merge pull request #371 from dinhxuanvu/startupProbe-4.9

OCPBUGS-459: fix(grpc): Add startupProbe to check for grpc health readiness (#2791)

Author: openshift-merge-robot

staging/operator-lifecycle-manager/pkg/controller/registry/reconciler/reconciler.go

@@ -149,6 +149,15 @@ func Pod(source *v1alpha1.CatalogSource, name string, image string, saName strin
 						InitialDelaySeconds: livenessDelay,
 						TimeoutSeconds:      5,
 					},
+					StartupProbe: &v1.Probe{
+						Handler: v1.Handler{
+							Exec: &v1.ExecAction{
+								Command: []string{"grpc_health_probe", "-addr=:50051"},
+							},
+						},
+						FailureThreshold: 15,
+						PeriodSeconds:    10,
+					},
 					Resources: v1.ResourceRequirements{
 						Requests: v1.ResourceList{
 							v1.ResourceCPU:    resource.MustParse("10m"),