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sirkubax
2017-09-27 17:52:48 +02:00
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@@ -139,20 +139,20 @@ You can run the playbook with the command:
```bash ```bash
$ ansible-playbook path/name_of_the_playbook.yml $ ansible-playbook path/name_of_the_playbook.yml
``` ```
## More on ansible concept ### More on ansible concept
### ansible-roles (a 'template-playbooks in right structure') #### ansible-roles (a 'template-playbooks' with right structure)
There are tasks (modules) that can be run via CLI You already know the tasks (modules) that can be run via CLI
The execution plans of multiple tasks (with variables and logic) are called playbooks. The execution plans of multiple tasks (with variables and logic) are called playbooks.
For parts of the code, that should be reusable, a concept called `role` was introduced A concept called `role` was introduced for parts of the code that should be reusable.
Role is a structured way to keep your set of tasks, variables, handlers, default settings, and way more (meta, files, templates). **Role** is a structured way to manage your set of tasks, variables, handlers, default settings, and way more (meta, files, templates).
Role allows to reuse the same parts of code in multiple plybooks (you can parametrize this). Role allows to reuse the same parts of code in multiple plybooks (you can parametrize the role 'further' during it's execution).
It is a great way to introduce `object oriented` management for your applications. It is a great way to introduce `object oriented` management for your applications.
Role can be included in your playbook (executed in your playbook). Role can be included in your playbook (executed via your playbook).
```yml ```yml
@@ -173,6 +173,16 @@ pre_tasks:
shell: echo 'this task is the last, but would be executed before roles, and before tasks' shell: echo 'this task is the last, but would be executed before roles, and before tasks'
``` ```
Example-role
We would clone the ready-to-use examples from additional repository
```bash
$ git colone git@github.com:sirkubax/ansible-for-learnXinYminutes.git
$ cd ansible-for-learnXinYminutes
$ source environment
$(venv) ansible-playbook playbooks/role_example.yml
```
Role directory structure: Role directory structure:
``` ```
roles/ roles/