Hi,
(Now this is just a theoretical point. Actually changing that stuff would
probably break too much existing stuff)
actually I think there's a point to the pre_task,roles,post_task stuff.
It makes perfect sense once you found that section in the docs, on the
other hand one of the big promises of ansible is simplicity and (to me) a
big point here is that the following seems reasonable and should just work:
# typing on a cell but you get the idea (hopefully)
name: play
tasks:
debug:
msg: this runs first
roles:
- {role_that_runs_second}
tasks:
debug:
msg: this runs last
/Martin
On Tue, Mar 24, 2015, 08:28 Serge van Ginderachter <se...@vanginderachter.be>
wrote:
> 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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