Using Variable inside IOS_CONFIG

[R.B. Kumar]

Hello Everyone - Need your help

When I use a variable inside ios_config I am getting an error. The error message is below.

Goal

1. Caputre an IP addresses from "show ip interface brief" from Cisco Router

2.  Register the Output in var_ip_address

3.  Grep one of the IP address using var_ip_address.stdout[0].split('\n')[1].split()[1]

4. using ios_config configure ntp server var_ip_address.stdout[0].split('\n')[1].split()[1]

Problem

The output is as expected in var_ip_address.stdout[0].split('\n')[1].split()[1]. I am good till this part

TASK [debug] *****************************************************************

ok: [labrtr2] => {

    "var_ip_address.stdout[0].split('\n')[1].split()[1]": "44.151.182.42"

}

When i apply the variable in to configure NTP Server using IOS_CISCO, i am getting the error the below error

TASK [NTP_HOSTNAME] ************************************************************************************************************************************************

fatal: [labrtr2]: FAILED! => {"msg": "The task includes an option with an undefined variable. The error was: list object has no element 1\n\nThe error appears to have been in '/software/RB/NAT_1.yml': line 23, column 7, but may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe offending line appears to be:\n\n    - debug: var=var_ip_address.stdout[0]\n    - name: NTP_HOSTNAME\n      ^ here\n"}

        to retry, use: --limit @/software/RB/NAT_1.retry

Full Script

  tasks:

    - name: get_ip

      ios_command:

        provider: "{{ cli }}"

        commands: "show ip interface brief"

      register: var_ip_address

    - debug: var=var_ip_address.stdout[0].split('\n')[1].split()[1]

    - name: NTP_HOSTNAME

      ios_config:

        provider: "{{ cli }}"

        lines:

          - ntp server "{{ var_ip_address.stdout[0].split('\n')[1].split()[1] }}"

      register: NTP

    - debug: var=NTP

regards, RB

[Rajthecomputerguy]

Try -- set_fact the grep output and try to call the variable in ios_config

set_fact:

     desired_ntp: {{ var_ip_address.stdout[0].split('\n')[1].split()[1] }}

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--

Thanks,

Pushparaj G

[R.B. Kumar]

Thanks Pushparaj for your help. set_fact is the savior here. It works by using the variable captured under set_fact.

Thanks again for mind share and  your comment solved my requirement. Have a nice time ahead. :)