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@ -109,18 +109,19 @@ some_other_group
### Playbook
**Execution plan** written in a form of script file(s) is called `playbook`.
**Execution plan** written in a form of script file(s) is called **playbook**.
Playbook consist of multiple elements
* a list (or group) of hosts that 'the play' is executed against
* `task(s)` or `role(s)` that are going to be executed
* multiple optional settings (like default variables, and way more)
Playbook script language is YAML
Playbook script language is YAML.
You can think that playbook is very advanced CLI script that you are executing.
#### Example of the playbook:
This playbook would execute (on all hosts defined in the inventory) two tasks
This example-playbook would execute (on all hosts defined in the inventory) two tasks:
* `ping` that would return message *pong*
* `shell` that execute three commands and return the output to our terminal
@ -134,11 +135,10 @@ tasks:
shell: "date; whoami; df -h;"
```
You can execute a playbook with a command:
You can run the playbook with the command:
```bash
$ ansible-playbook path/name_of_the_playbook.yml
```
It is also possible to become a user other than root using --become-user:
## More on ansible concept
### ansible-roles (a 'template-playbooks in right structure')
@ -232,6 +232,7 @@ virtualenv
### Web-UI: Ansible Tower, Jenkins, Rundeck
#become-user, become
### Tips and tricks
AND,XOR