I am also seeing when: not work with include_role. The "a" reported above
is just the first letter of Thiago's condition (ansible_hostname |
search("stack-1-sql.*"). I've got a boolean, etcd_enabled, so my when:
etcd_enabled produces "The conditional check 'e' failed"
On Monday, November 21, 2016 at 10:02:28 PM UTC-8, Thiago Martins wrote:
>
> Guys,
>
> I'm trying to create a top-level playbook, based on "include_role:",
> instead of "roles:", however, the "when:" condition isn't working properly,
> I think.
>
> Easy to reproduce (the content of "roles/hello-world-X/tasks/main.yml" is
> in the end):
>
> This works ("include_role:" without the "when:" condition):
>
> $ ansible --version
> ansible 2.2.0.0
>
> $ source ~/my-openstack-project-openrc.sh
>
> $ ansible-playbook -i openstack.py hello.yml
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
> - include_role: name=hello-world-1
> ---
>
> Awesome!
>
> However, if I add the "when:" condition:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
> - include_role: name=hello-world-1
> when: ansible_hostname == 'stack-1-web-1'
> ---
>
> Then, it tails! With the following error:
>
> ---
> fatal: [1872cd92-84cf-4ad5-9f1a-52d3b79a5940]: FAILED! => {"failed": true,
> "msg": "The conditional check 'a' failed. The error was: error while
> evaluating conditional (a): 'a' is undefined\n\nThe error appears to have
> been in '/home/tmartins/project/ansible/hello.yml': line 5, column 7, but
> may\nbe elsewhere in the file depending on the exact syntax problem.\n\nThe
> offending line appears to be:\n\n tasks:\n - include_role:
> name=hello-world-1\n ^ here\n"}
> ---
>
> What's wrong? Ansible bug?
>
> I tried a "more simple" condition (when: ansible_os_family == "Debian"),
> same error.
>
> My "when:" condition is right, I can test it, by replacing the
> "include_role:", by "ping:", like this:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
> - ping:
> when: ansible_hostname == 'stack-1-web-1'
> ---
>
> It works...
>
> If I also apply the when condition to a "-role:", then, it works as well,
> like this:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> roles:
> - { role: hello-world-1, when: ansible_hostname == 'stack-1-web-1' }
> - { role: hello-world-2, when: ansible_hostname == 'stack-1-sql-1' }
> ---
>
> Works, good but, as I said before, I want to use "include_role:", instead
> of "roles:", mostly because of its (broken?) support for "when:" condition.
>
> Aaaand, I can't use "when:" under "roles:", something about: "ERROR!
> 'when' is not a valid attribute for a Play", if I try "when:" under
> "roles:".
>
> I also noted that "include_roles:" doesn't work with "with_items", this:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
> - include_role: name={{item}}
> with_items:
> - hello-world-1
> - hello-world-2
> ---
>
> Returns:
>
> ERROR! 'item' is undefined
>
> :-(
>
> My goal is something like this:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
>
> - include_role: name={{item}}
> with_items:
> - hello-world-1
> - hello-world-2
> when: ansible_hostname | search("stack-1-web.*")
>
> - include_role: name={{item}}
> with_items:
> - hello-world-3
> - hello-world-4
> when: ansible_hostname | search("stack-1-sql.*")
> ---
>
> Is it even possible? Apparently, only the *"with_items" with
> "include_role"* isn't really documented here:
>
> http://docs.ansible.com/ansible/include_role_module.html
>
> I manage to use "include_role:" only without "when:" or "items", for
> example:
>
> ---
> - hosts: all
> remote_user: ubuntu
> become: yes
> tasks:
> - include_role: name=hello-world-1
> - include_role: name=hello-world-2
> - include_role: name=hello-world-3
> - include_role: name=hello-world-4
> ---
>
> NOTE: Here is the contents of "roles/hello-world-X/tasks/main.yml":
>
> ---
> - name: Test connection
> ping:
>
> - debug: msg={{ ansible_hostname }}
> ---
>
> BTW, the "*when: ansible_hostname | search("stack-1-web.*")*" works like
> a charm, quite awesome! I can easily detect all my "stack-1-web|sql-X"
> instances without using [web|sql-groups], all my instances are under the
> same group "[all]", I also have an inventory file with "[all:vars]" and
> that's it. At least, this is what I'm trying to do... =P
>
> Ansible FTW, cheers!
>
> Thanks,
> Thiago
>
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