Python (and Jinja) practices short circuit evaluation. So move the "is
defined" test ahead of the numeric test, and you should be ok.
On Wed, Apr 2, 2014 at 8:04 AM, Marcin Prączko <marcin.prac...@gmail.com>wrote:
> Good morning.
>
> I am trying using local facts for tracking version of the role, and run
> this role only if version increased (version kept locally within role
> comparing with version from local fatcs).
>
> So this is how is working:
> Role folder
> - vars/main.yml
> - tasks/main.yml
>
> So this is example for: vars/main.yml
> ---
> module:
> name: "apache"
> version: "1.0.4"
> status: "Installed"
>
> And this is a task which writes this variables to local facts on remote
> machine:
>
> - name: Write variable to json file
> copy: content="{{ module }}" dest=/etc/ansible/facts.d/{{ module.name}}.fact
> owner=root group=root mode=0644
>
> And json is written to localfacts - which is working well.
>
> Now I am trying to do something like that in main playbook:
>
> roles:
> - { role: test_roleversion,
> when: "module.version > ansible_local.apache.version" }
>
> This is working well if local facts already exists with 'version'
> variable. Hower when file is not there ansible complain about not defined
> variable:
>
> fatal: [IP-HERE] => error while evaluating conditional: module.version >
> ansible_local.apache version
>
> *Question:*
> How to run role only if:
> - module.version > ansible_local.apache.version (<- this come from local
> facts), or
> - ansible_local.apache.version is not defined?
>
> Following example does't work :(
> roles:
> - { role: test_roleversion,
> when: "module.version > ansible_local.apache.version or
> ansible_local.apache.version not defined" }
>
> Thanks for helping in advance.
>
> Best regards,
> Marcin Praczko
>
>
> --
> You received this message because you are subscribed to the Google Groups
> "Ansible Project" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to ansible-project+unsubscr...@googlegroups.com.
> To post to this group, send email to ansible-project@googlegroups.com.
> To view this discussion on the web visit
> https://groups.google.com/d/msgid/ansible-project/ef032110-df93-47e6-a733-85717dc400d0%40googlegroups.com<https://groups.google.com/d/msgid/ansible-project/ef032110-df93-47e6-a733-85717dc400d0%40googlegroups.com?utm_medium=email&utm_source=footer>
> .
> For more options, visit https://groups.google.com/d/optout.
>
--
You received this message because you are subscribed to the Google Groups
"Ansible Project" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to ansible-project+unsubscr...@googlegroups.com.
To post to this group, send email to ansible-project@googlegroups.com.
To view this discussion on the web visit
https://groups.google.com/d/msgid/ansible-project/CAEVJ8QMh_0zgHGNEaC8-vz%2B6Ux30SAws97DHS_uRxqtxWffMpQ%40mail.gmail.com.
For more options, visit https://groups.google.com/d/optout.
