Search for string in stdout for failed_when

[JP-OKC]

how can I pull a string from the stdout and use it for failed_when?    I run a command on a switch and then I want to match a string w/in that output to determine if it failed or not.

Here's what the playbook looks like:

---

- name: Check the ssh keypair on a Nexus 9k

  hosts: all

  gather_facts: false

  connection: network_cli

  tasks:

  - block:

    - name: show keypair

      nxos_command:

        commands: "show username someuser keypair"

      ignore_unreachable: true

      register: print_output

      failed_when: ("could not retrieve rsa key information" in print_output.stdout)

  - debug: var=print_output

Here's what the debug output looks like.    I want to match on the 3rd line of the stdout_lines.

ok: [switchB] => {

    "print_output": {

        "ansible_facts": {

            "discovered_interpreter_python": "/usr/bin/python"

        },

        "changed": false,

        "failed": false,

        "failed_when_result": false,

        "stdout": [

            "**************************************\n\ncould not retrieve rsa key information\n**************************************\n\ncould not retrieve dsa key information\n**************************************\n\ncould not retrieve ecdsa key information\n**************************************"

        ],

        "stdout_lines": [

            [

                "**************************************",

                "",

                "could not retrieve rsa key information",

                "**************************************",

                "",

                "could not retrieve dsa key information",

                "**************************************",

                "",

                "could not retrieve ecdsa key information",

                "**************************************"

            ]

        ]

    }

}

[Kai Stian Olstad]

As you can see here the [ indicate a list so first element is 0.
The nxos_command takes several commands, the first command is in list element 0, the second one is list element 1 and so on....

so you need to use element 0 like this

failed_when: ("could not retrieve rsa key information" in print_output.stdout.0)


--
Kai Stian Olstad

[JP-OKC]

Thanks Kai,   That worked.