I didn't realized about the parameterized roles. I'll give that go! But
that also cleared up on what role dependencies was suppose to be for.
What I am try to do though is to load up a different config file instead so
that instead of me trying to do
var_files
- config_file
role:
- { role: webservers, servername: www.site1.com, documentroot:
/var/www/site1 }
- { role: webservers, servername: www.siteB.com <http://www.siteb.com/>,
documentroot: /var/www2/siteB }
I can do something like
var_files
- config_file
role:
- { role: webservers, [ Config file 1] }
- { role: webservers, [ Config file 2] }
Though I guess maybe the var_files should be in the roles itself perhaps? I
could try to make my role take in either individual vars or if a var_files
is defined, to use that instead?
On Thursday, November 28, 2013 5:09:06 AM UTC-8, Fred Badel wrote:
>
> Hi,
>
> You can use parameterized roles …
> I use the following to create several DB using one role (roughly):
>
> roles/create_db/tasks/main.yml:
>
> - name: create {{ db_name }}
> mysql_db: name={{ db_name }} encoding=utf8 login_user=root state=present
> login_password={{ mysql_root_password }}
>
> then it is called as follow in the playbook:
>
> - hosts: db_server
> roles:
> - { role: create_db, db_name: DB_1 }
> - { role: create_db, db_name: DB_2 }
> - { role: create_db, db_name: DB_3 }
>
>
> Typically, for an apache vhost configuration, you could pass the value of
> “servername" and “documentroot” to the webserver role like this
>
> role:
> - { role: webservers, servername: www.site1.com, documentroot:
> /var/www/site1 }
> - { role: webservers, servername: www.siteB.com, documentroot:
> /var/www2/siteB }
>
> - note 1:
> you should be using {{ my_var }} instead of $my_var
>
> -note 2:
> you are mentioning role dependencies, which is meant to configure…
> dependencies between roles (ie the role webservers requires the role
> common) and I am not sure that it is related to you question
> http://www.ansibleworks.com/docs/playbooks_roles.html#role-dependencies
>
> HTH
>
> Fred
>
> On Nov 28, 2013, at 13:37 , Shih Oon Liong
> <[email protected]<javascript:>>
> wrote:
>
> Hi,
>
> I am kinda confused on what is the right syntax to try out this. Running a
> role multiple times in a single playbok but a different var_files each time.
>
> I have a web server role for a LAMP stack that will also install the
> Apache vhost site. My idea was that I can run this role on the same server
> if I was installing multiple sites - Ansible would just skip the software
> installations but just install the vhost configs.
>
> This works fine if I run the playbook multiple times manually. What I want
> to do is to do this multiple times in one single playbook. My assumption is
> that I should be using Role Dependencies (amirite?).
>
> My current playbook *roughly*
>
> ---
> # Deployment for web servers
> #
> - hosts: $hosts
> user: $user
> sudo: true
> name: Install Apache and PHP.
> vars_files:
> - $config_path
>
> roles:
> - common
> - webservers
>
>
> As you can see, I heavily use vars_files since I find configs to be in a
> separate file much easier to manage.
>
> What I am confused is how can I use role dependencies but load up a
> different var_files each time round? The example in the documentation seems
> to imply just individual variable replacements but my webservers role has
> several variables that need to be set for a site install which will make it
> unwieldy.
>
> Any help is much appreciated. Thanks!
>
>
>
>
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