are we allowed to tag a rescue block ?

[fanvalt]

hello,

I have a playbook running well, but I want to be able to restore files if it fails.

So I want to add a block/rescue, I am allowed to tag the rescue so the restore of files will only run if I run my playbook with the --tags="restore" ?

Or do I Have to tag all the tasks in the rescue block ?

here is an example:

- block:

  - tasks: save the config file

    shell: chdir=/{{ Directoryname }} mv config {{ dirsav }}/

- rescue:

  - tasks: restore the config file

    shell: chdir="{{ dirsav }}" mv config /{{ Directoryname }}/

tags:

    - restore

Regards

[Phonthip Namkaew]

Not tested:

- tasks: restore the config file
shell: chdir="{{ dirsav }}" mv config /{{ Directoryname }}/

when: do_restore is defined

With restore:
ansible-playbook myplaybook.yml --extra-vars="do_restore=True"

Without restore:
ansible-playbook myplaybook.yml

[Phonthip Namkaew]

Not tested:
- tasks: restore the config file
shell: chdir="{{ dirsav }}" mv config /{{ Directoryname }}/

tags:
- restore

With restore:
ansible-playbook myplaybook.yml

Without restore:
ansible-playbook myplaybook.yml --skip-tags "restore"

[fanvalt]

thank you but my question is about the rescue reserved word ?

Is it possible to run the rescue block with a tag instead of tagging all tasks in the rescue block ?

Regards

[Brian Coca]

You can tag the whole block or individual tasks within the block,
there is no way to only tag the rescue/always part of a block.

----------
Brian Coca

[fanvalt]

Thank you, finally i cannot figure out how to work on my playbook.

I have a main.yml with some includes, some are tags to skip them with the --skip-tags option.

main.yml:

  - include: existence.yml

...

  - include: installation.yml

    tags:

      - installation

...

  - include: demarrage_karaf.yml

so if I use --skip-tags "installation", this will only restart the karaf instance.

If I don't use any tags, the installation will be done and karaf will be restarted

What I want is to add a restore option (tags) so if installation or any tasks failed, I can restore the old installation and restart karaf.

I thought adding the main in a block rescue this way would work:

block:

  - include: existence.yml

...

  - include: installation.yml

    tags:

      - installation

...

  - include: demarrage_karaf.yml

rescue:

    - include: failure.yml

      tags:

        - restore

but if I run the playbook with only the --tags "restore" , it won't run any tasks not tagged or the include tagged with the "installation" tags.

Shall I tag all tasks with "always" tag ? 

Is there another way to proceed than using a restore tag ?

Regards,

[fanvalt]

instead of tagging --tags "restore" when I want to restore, I guess the way to proceed is to use --skip-tags "restore" if I don't want to restore

[Philippe Eveque]

I would recommend to not use tag for conditional execution of part of a play/playbook

Just A personal preference

Phil

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