TASK [mariadb : Pulling mariadb image] ************************************************************************
failed: [localhost] (item={'value': {u'enabled': True, u'image': u'kolla/centos-binary-mariadb:pike', u'group': u'mariadb', u'volumes': [u'/etc/kolla//mariadb/:/var/lib/kolla/config_files/:ro', u'/etc/localtime:/etc/localtime:ro', u'mariadb:/var/lib/mysql', u'kolla_logs:/var/log/kolla/'], u'container_name': u'mariadb'}, 'key': u'mariadb'}) => {"changed": false, "item": {"key": "mariadb", "value": {"container_name": "mariadb", "enabled": true, "group": "mariadb", "image": "kolla/centos-binary-mariadb:pike", "volumes": ["/etc/kolla//mariadb/:/var/lib/kolla/config_files/:ro", "/etc/localtime:/etc/localtime:ro", "mariadb:/var/lib/mysql", "kolla_logs:/var/log/kolla/"]}}, "msg": "Unknown error message: error pulling image configuration: Get  https://production.cloudflare.docker.com/registry-v2/docker/registry/v2/blobs/sha256/4e/4e5002bb2c9be5ff5b2b74dda05fd4daae3b2322667eb58a309d0e1b40924ada/data?verify=1544687232-npC1cMgrfawi5dhpeJpJtKpvQeQ%3D: EOF"}
        to retry, use: --limit @/usr/share/kolla-ansible/ansible/site.retry     原因： 可能是網路問題   多執行幾次 pull 拉取檔案 就沒有報錯了  

kolla-ansible -i /etc/kolla/all-in-one  pull