Description of problem:

Migrating an application cakephp-mysql-persistent from openstack 3.7 is stuck at StagePodsCreated
 
Version-Release number of selected component (if applicable):
OCP 3 Version:
oc v3.7.126
kubernetes v1.7.6+a08f5eeb62
features: Basic-Auth GSSAPI Kerberos SPNEGO

Server https://10.0.150.172:8443
openshift v3.7.126
kubernetes v1.7.6+a08f5eeb62

OCP 4 version:
NAME      VERSION                             AVAILABLE   PROGRESSING   SINCE   STATUS
version   4.2.0-0.nightly-2019-08-29-170426   True        False         4d8h    Error while reconciling 4.2.0-0.nightly-2019-08-29-170426: the cluster operator kube-scheduler is degraded

How reproducible:
always 

Steps to Reproduce:
1. Create a namespace and create cakephp/mysql app from openshift template
$ oc new-app cakephp-mysql-persistent

2.Create a migplan to migrate above project to OCP4
3. Execute 'Stage' operation

Actual results:
the mig plan (using below command to check mig plan) is stuck at StagePodsCreated state, but finally it run into error 'Reconcile failed' . No useful logs is found in controller.


$ oc get migplans -o yaml
apiVersion: v1
items:
- apiVersion: migration.openshift.io/v1alpha1
  kind: MigPlan
  metadata:
    annotations:
      touch: eb710b6f-80d4-4c4e-b6e6-8392bc63ffb8
    creationTimestamp: "2019-09-03T09:11:20Z"
    generation: 14
    name: cakephp-mysql
    namespace: openshift-migration
    resourceVersion: "2204655"
    selfLink: /apis/migration.openshift.io/v1alpha1/namespaces/openshift-migration/migplans/cakephp-mysql
    uid: cb09fc7e-ce2a-11e9-bc9e-fa163e7163ff
  spec:
    closed: true
    destMigClusterRef:
      name: host
      namespace: openshift-migration
    migStorageRef:
      namespace: openshift-migration
    namespaces:
    - cakephp
    persistentVolumes:
    - capacity: 1Gi
      name: pvc-954a82cc-ce29-11e9-b552-fa163ed1af90
      pvc:
        accessModes:
        - ReadWriteOnce
        name: mysql
        namespace: cakephp
      selection:
        action: copy
        storageClass: standard
      storageClass: standard
      supported:
        actions:
        - copy
    srcMigClusterRef:
      name: ocp3
      namespace: openshift-migration
  status:
    conditions:
    - category: Critical
      lastTransitionTime: "2019-09-03T09:35:34Z"
      message: 'Reconcile failed: [no matches for kind "Deployment" in version "apps/v1"].
        See controller logs for details.'
      status: "True"
      type: ReconcileFailed
kind: List
metadata:
  resourceVersion: ""
  selfLink: ""

Expected results:
The mig plan should successfully complete 'Stage' operation



$oc get migmigration -o yaml
apiVersion: v1
items:
- apiVersion: migration.openshift.io/v1alpha1
  kind: MigMigration
  metadata:
    annotations:
      touch: e5f382ba-b8d5-4b49-8a96-4b99d856eb30
    creationTimestamp: "2019-09-03T09:11:54Z"
    generation: 7
    name: e86d3450-ce2a-11e9-a8f7-e508aa27ce71
    namespace: openshift-migration
    ownerReferences:
    - apiVersion: migration.openshift.io/v1alpha1
      kind: MigPlan
      name: cakephp-mysql
      uid: cb09fc7e-ce2a-11e9-bc9e-fa163e7163ff
    resourceVersion: "2230538"
    selfLink: /apis/migration.openshift.io/v1alpha1/namespaces/openshift-migration/migmigrations/e86d3450-ce2a-11e9-a8f7-e508aa27ce71
    uid: df8c3d02-ce2a-11e9-bc9e-fa163e7163ff
  spec:
    migPlanRef:
      name: cakephp-mysql
      namespace: openshift-migration
    stage: true
  status:
    conditions:
    - category: Critical
      lastTransitionTime: "2019-09-03T09:35:22Z"
      message: The referenced `migPlanRef` does not have a `Ready` condition.
      status: "True"
      type: PlanNotReady
    - category: Critical
      lastTransitionTime: "2019-09-03T09:35:22Z"
      message: The associated migration plan is closed.
      status: "True"
      type: PlanClosed
    phase: StagePodsCreated
    startTimestamp: "2019-09-03T09:11:55Z"
kind: List
metadata:
  resourceVersion: ""
  selfLink: ""

Additional info: