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sirkubax
2017-09-27 17:00:23 +02:00
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@@ -10,7 +10,7 @@ filename: LearnAnsible.txt
```yaml ```yaml
--- ---
"{{ Why Ansible and Intro }}" in the second part of document "{{ Why Ansible and detailed Intro }}" written in the second part of document
``` ```
@@ -60,19 +60,19 @@ Example of modules:
Example of execution - `ping`, `shell` Example of execution - `ping`, `shell`
```bash ```bash
$ ansible -m ping $ ansible -m ping all
$ ansible -m shell -a 'date; whoami' localhost #hostname_or_a_group_name $ ansible -m shell -a 'date; whoami' localhost #hostname_or_a_group_name
``` ```
* Module: `command` - executes a single command that will not be processed through the shell, so variables like $HOME or operands like `|` `;` will not work * Module: `command` - executes a single command that will not be processed through the shell, so variables like $HOME or operands like `|` `;` will not work
#JM
```bash ```bash
$ ansible -m command -a 'date; whoami' # FAILURE $ ansible -m command -a 'date; whoami' # FAILURE
$ ansible -m command -a 'date' $ ansible -m command -a 'date' all
$ ansible -m command -a 'whoami' $ ansible -m command -a 'whoami' all
$ ansible -m command -a 'echo $HOME'
``` ```
* Module: `file` - performs file operations (stat, link, dir, ...) * Module: `file` - performs file operations (stat, link, dir, ...)
@@ -92,6 +92,11 @@ localhost
[some_group] [some_group]
hostA.mydomain.com hostA.mydomain.com
hostB.localdomain hostB.localdomain
[a_group_of_a_groups:children]
some_group
some_other_group
``` ```
* [Additional Reading.](http://docs.ansible.com/ansible/latest/intro_inventory.html) * [Additional Reading.](http://docs.ansible.com/ansible/latest/intro_inventory.html)
@@ -104,7 +109,7 @@ hostB.localdomain
### Playbook ### 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 Playbook consist of multiple elements
* a list (or group) of hosts that 'the play' is executed against * a list (or group) of hosts that 'the play' is executed against
* `task(s)` or `role(s)` that are going to be executed * `task(s)` or `role(s)` that are going to be executed
@@ -116,7 +121,7 @@ You can think that playbook is very advanced CLI script that you are executing.
#### Example of the playbook: #### Example of the playbook:
This playbook would execute (on all hosts defined in the inventory) two tasks This playbook would execute (on all hosts defined in the inventory) two tasks
*`ping` that would return message *pong* * `ping` that would return message *pong*
* `shell` that execute three commands and return the output to our terminal * `shell` that execute three commands and return the output to our terminal
```yml ```yml