get stdout from a registered variable

[Yariv Graf]

Hi,

I have this piece of yaml playbook:

 - name: get read block device such /dev/sdX

   shell: "readlink -f /dev/disk/by-id/google-{{ item.block }}"

   with_items: mounts

   register: device

 - debug: var=device.results

Trying to get the read "sd" device from a symlink.

the output of device.results is:

ok: [ygtest] => {

    "var": {

        "device.results": [

            {

                "changed": true, 

                "cmd": "readlink -f /dev/disk/by-id/google-local-ssd-0", 

                "delta": "0:00:00.003578", 

                "end": "2015-05-07 08:56:24.201753", 

                "invocation": {

                    "module_args": "readlink -f /dev/disk/by-id/google-local-ssd-0", 

                    "module_name": "shell"

                }, 

                "item": {

                    "block": "local-ssd-0"

                }, 

                "rc": 0, 

                "start": "2015-05-07 08:56:24.198175", 

                "stderr": "", 

                "stdout": "/dev/sdb", 

                "stdout_lines": [

                    "/dev/sdb"

                ], 

                "warnings": []

            }

        ]

    }

}

How can I access the "stdout" value? I need the output of "/dev/sdb"

Thanks.

[Brian Coca]

the issue is that with_items always creates a result list, so you can
access stdout of each item this way:

device.results[i].stdout

where i is the 0 based index of items, since you seem to have only 1
mount this will be what you need:


device.results[0].stdout

--
Brian Coca

[Yariv Graf]

Thank you

--
Brian Coca

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--

-Yariv