Fix failing of test_k8s_docker_registry_local_and_mirror test

[Sergey Kraynev]

Currently this test fails with follow traceback:

> assert ('--insecure-registry {0}'.format(local_reg_path)

                    in docker_cfg_out), (

                "Docker local registry link does not present in Docker cfg "

                "file on Minion node.\n{0}".format(docker_cfg_out))

E AssertionError: Docker local registry link does not present in Docker cfg file on Minion node.

E DOCKER_OPTS= --registry-mirror=http://172.16.176.11:5005

E assert '--insecure-registry 172.16.176.11:5000' in 'DOCKER_OPTS= --registry-mirror=http://172.16.176.11:5005'

E + where '--insecure-registry 172.16.176.11:5000' = <built-in method format of str object at 0x7fe8a86b1a30>('172.16.176.11:5000')

E + where <built-in method format of str object at 0x7fe8a86b1a30> = '--insecure-registry {0}'.format

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/384348
Committed: https://git.openstack.org/cgit/openstack/k8s-docker-suite-app-murano/commit/?id=f9b2710b87357526736072b4f3ea432817b72c3c
Submitter: Jenkins
Branch: master

commit f9b2710b87357526736072b4f3ea432817b72c3c
Author: Peter Razumovsky <email address hidden>
Date: Mon Oct 10 11:21:19 2016 +0300

    Fix changing DOCKER_OPTS for DSH and KubeCluster

    Currently DOCKER_OPTS incorrectly changed with insecure-registry and
    registry-mirror opts (setupDockerRegistry and setupDockerMirror
    scripts): opts aren't wrapped with quotes after changing.

    Change-Id: I3265953cc6e6d9de75fa4ba185059cd75c06181c
    Closes-bug: #1628405