Pulling images from external registries in a pod definition

Issue

• deployments fail

• atomic-openshift-node entries similar to

  atomic-openshift-node[7366]: W1019 11:36:23.059889    7366 kubelet_pods.go:746] Unable to retrieve pull secret test/auth for test/apache due to secrets "auth" not found.  The image pull may not succeed.
  

• dockerd-current entries similar to

  dockerd-current[27825]: time="ts" level=error msg="Attempting next endpoint for pull after error: Get https://registry.com:5000/v2/<project>/<image>/manifests/18.07.0: no basic auth credentials"
  dockerd-current[27825]: time="ts" level=debug msg="Trying to pull registry.com:5000/<project>/<image> from https://registry.com:5000 v1"
  dockerd-current[27825]: time="ts" level=debug msg="hostDir: /etc/docker/certs.d/registry.com:5000"
  dockerd-current[27825]: time="ts" level=debug msg="attempting v1 ping for registry endpoint https://registry.com:5000/v1/"