Unable to load variable from include_vars into my playbook

[Shifa Shaikh]

I have a playbook where I load a variable file 

cat vars/BASE.yaml


EXCLUDE_front: value1
EXCLUDE_back: value2

I run my test.yml playbook using this command:

ansible-playbook test.yml -e Layer="back" -e base_folder="/tmp"


- name: Load a variable file"
  include_vars:
    file: "vars/BASE.yaml"

- name: Collect data
  shell: "cd {{ base_folder }} && find . -type d \\( -name 'BACKUP' -o -name 'vars[EXCLUDE_{{ Layer }}]' \\) -prune -o -type f -exec cksum {} + | awk '{$1=\"\"}1'"
  register: outputfiles

I also tried 

  shell: "cd {{ base_folder }} && find . -type d \\( -name 'BACKUP' -o -name 'vars[EXCLUDE_ + Layer ]' \\) -prune -o -type f -exec cksum {} + | awk '{$1=\"\"}1'"

and

  shell: "cd {{ base_folder }} && find . -type d \\( -name 'BACKUP' -o -name 'vars[EXCLUDE_ ~ Layer ]' \\) -prune -o -type f -exec cksum {} + | awk '{$1=\"\"}1'"

however,  instead of loading value1 or value2, I get the below nature of error:

"The task includes an option with an undefined variable. The error was: 'EXCLUDE_' is undefined\n\nT

Can you please suggest what is wrong with my playbook? 

[Dick Visser]

You can’t resolve variables with names that contain variables themselves. 

Instead, use a lookup:

https://docs.ansible.com/ansible/latest/plugins/lookup/vars.html

Also try to use the args: chdir option instead of doing &&, see 

https://docs.ansible.com/ansible/latest/modules/shell_module.html

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[Stefan Hornburg (Racke)]

On 2/24/20 9:52 PM, Dick Visser wrote:
> You can’t resolve variables with names that contain variables themselves. 
> Instead, use a lookup:
>
> https://docs.ansible.com/ansible/latest/plugins/lookup/vars.html
>
> Also try to use the args: chdir option instead of doing &&, see 
> https://docs.ansible.com/ansible/latest/modules/shell_module.html
>

"{{ vars['EXCLUDE_' + Layer] }}" should work though.

Regards
Racke

>
>
> On Mon, 24 Feb 2020 at 19:18, Shifa Shaikh <shif...@gmail.com <mailto:shif...@gmail.com>> wrote:
>
> I have a playbook where I load a variable file 
>
> |
> cat vars/BASE.yaml
>
>
> EXCLUDE_front:value1
> EXCLUDE_back:value2
> |
>
>
> I run my test.yml playbook using this command:
>
> |
> ansible-playbook test.yml -e Layer="back"-e base_folder="/tmp"
>
>

> -name:Loada variable file"

>   include_vars:
>     file: "vars/BASE.yaml"
>
> - name: Collect data

>   shell: "cd {{base_folder }}&&find .-type d \\(-name 'BACKUP'-o -name 'vars[EXCLUDE_{{ Layer }}]'\\)-prune -o -type
> f -execcksum {}+|awk '{$1=\"\"}1'"

>   register: outputfiles
> |
>
> I also tried 
>
> |
>   shell:"cd {{ base_folder }} && find . -type d \\( -name 'BACKUP' -o -name 'vars[EXCLUDE_ + Layer ]' \\) -prune -o
> -type f -exec cksum {} + | awk '{$1=\"\"}1'"
> |
>
> and
>
> |
>   shell:"cd {{ base_folder }} && find . -type d \\( -name 'BACKUP' -o -name 'vars[EXCLUDE_ ~ Layer ]' \\) -prune -o
> -type f -exec cksum {} + | awk '{$1=\"\"}1'"
> |
>
> however,  instead of loading value1 or value2, I get the below nature of error:
>
> "The task includes an option with an undefined variable. The error was: 'EXCLUDE_' is undefined\n\nT
>
>
> Can you please suggest what is wrong with my playbook?
>
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>
> --
> Sent from a mobile device - please excuse the brevity, spelling and punctuation.
>

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[Shifa Shaikh]

It's works. Thank you Stefen

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