Steve,
1. First roles with tags not work as expected (yes saw some post and people
> saying you need to agg at the command line
>
Well, if you tread those posts, why are you still expecting tags to work
in another way than people explained you already?
>
> My play book like this
>
> - name: ctn
> hosts: staging-web
> roles:
> - { role: web_base, tags: ['install-php'] }
>
> It executed who whole role no matter the tags is there.
>
tags are applied to the whole role here, they do not select
parts of the role
>
> 2. Task and Roles unexpected behaviour.
>
> Example I have
>
> - name: DO something
> hosts: myhost
> tasks:
> - pause:
> roles:
> - web_base
>
> If doing like this the tasks and pause is not executed. The role is
> executed and I did not wait until role finsihed to see if the task is
> touched at all.
>
If you did wait, you would see "tasks" are executed after roles.
See docsite/rst/playbooks_roles.rst for the order of pre_tasks, pst_tasks,
roles, tasks, ...
> So I have to split them like this, but why do I need to?
>
No, you don't. You want to use pre_tasks instead of tasks>
>
> Now it is not enough. The that playbook if I play without the options
> tags=XXX then it prompts me. But with teh option --tags=XXX then it does
> not pause me anymore, Why the --tags option affect how the playbook order
> of execution?
>
It does not affect the order, it affects which tasks get run, being the
ones that are tagged. Obviously you have those tags within the role, son
only those ar ran.
>
> See be low is my playbook and if play without --tag=install-php then it
> prompts me to warn, But if I specified the tag it skip the prompt (pause)
> but then play everything rather than only this tags.
>
> It is a mess!
>
> cat update-php.yml
> ---
>
> # ansible quirks. If you set tasks and then add roles section after that
> the tasks is not executed, only roles. Thus no pausing happened. To fix
> need another play and specify the roles. The tags in role does not do
> anything, still need to put --tags=XX at commandline.
>
> - name: Update PHP to latest version on remi repo. You need to run this
> play book with option --tags=install-php other than that it will replay the
> whole playbook
> hosts: staging-web
> tasks:
> - pause: prompt='*** WARNING *** You need to run this play book with
> option --tags=install-php other than that it will replay the whole
> playbook. Abort now if you forgot' minutes=10
>
> - name: ctn
> hosts: staging-web
> roles:
> - { role: web_base, tags: ['install-php'] }
>
> # vim:expandtab ts=2 sw=2
>
> Anyone please let me know what I do wrong or thinking wrongly (not the way
> ansible thinks - Or is it a bug/features??)
>
Feature!
The first play has no tags, the second only a role that gets all tasks
tagged with "install-php"
So only the latter come to run.
Serge
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