<X.X.X.X> (0, '\n{"changed": true, "end": "2017-12-14 15:09:15.574288", "stdout": "1.13.1", "cmd": ["docker", "version", "-f", "{{.Client.Version}}"], "rc": 0, "start": "2017-12-14 15:09:15.557650", "stderr": "", "delta": "0:00:00.016638", "invocation": {"module_args": {"warn": true, "executable": null, "_uses_shell": false, "_raw_params": "docker version -f \'{{.Client.Version}}\'", "removes": null, "creates": null, "chdir": null, "stdin": null}}}\n', 'OpenSSH_7.4p1, OpenSSL 1.0.2k-fips  26 Jan 2017\r\ndebug1: Reading configuration data /etc/ssh/ssh_config\r\ndebug1: /etc/ssh/ssh_config line 58: Applying options for *\r\ndebug1: auto-mux: Trying existing master\r\ndebug2: fd 3 setting O_NONBLOCK\r\ndebug2: mux_client_hello_exchange: master version 4\r\ndebug3: mux_client_forwards: request forwardings: 0 local, 0 remote\r\ndebug3: mux_client_request_session: entering\r\ndebug3: mux_client_request_alive: entering\r\ndebug3: mux_client_request_alive: done pid = 14571\r\ndebug3: mux_client_request_session: session request sent\r\ndebug1: mux_client_request_session: master session id: 2\r\ndebug3: mux_client_read_packet: read header failed: Broken pipe\r\ndebug2: Received exit status from master 0\r\n')
ok: [XXX] => {
    "changed": false,
    "cmd": [
        "docker",
        "version",
        "-f",
        "{{.Client.Version}}"
    ],
    "delta": "0:00:00.016638",
    "end": "2017-12-14 15:09:15.574288",
    "failed": false,
    "invocation": {
        "module_args": {
            "_raw_params": "docker version -f '{{.Client.Version}}'",
            "_uses_shell": false,
            "chdir": null,
            "creates": null,
            "executable": null,
            "removes": null,
            "stdin": null,
            "warn": true
        }
    },
    "rc": 0,
    "start": "2017-12-14 15:09:15.557650",
    "stderr": "",
    "stderr_lines": [],
    "stdout": "1.13.1",
    "stdout_lines": [
        "1.13.1"
    ]
}

TASK [docker : check minimum docker version for docker_dns mode. You need at least docker version >= 1.12 for resolvconf_mode=docker_dns] *************************************************************************************************************************************
task path: /home/deploy/src/kubespray/roles/docker/tasks/main.yml:82
Thursday 14 December 2017  15:09:15 -0600 (0:00:01.293)       0:02:49.397 *****
fatal: [h-k8s-node-msn-5]: FAILED! => {
    "failed": true,
    "msg": "The conditional check 'dns_mode != 'none' and resolvconf_mode == 'docker_dns' and docker_version.stdout|version_compare('1.12', '<')\n' failed. The error was: Version comparison: 'unicode object' has no attribute 'stdout'\n\nThe error appears to have been in '/home/deploy/src/kubespray/roles/docker/tasks/main.yml': line 82, column 3, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n\n- name: check minimum docker version for docker_dns mode. You need at least docker version >= 1.12 for resolvconf_mode=docker_dns\n  ^ here\n"
}