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@ -79,9 +79,9 @@ $ ansible -m command -a 'echo $HOME'
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* Module: `raw` - executes a low-down and dirty SSH command, not going through the module subsystem (usefull to install python2.7)
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### Ansible - naming and quick intro
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## Ansible - naming and quick intro
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#### Inventory
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### Inventory
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Inventory is a set of an objects or hosts, against which we are executing our playbooks or single tasks via shell commands
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For this few minutes, lets asume that we are using default ansible inventory (which in Debian based system is placed in /etc/ansible/hosts)
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@ -95,15 +95,15 @@ hostB.localdomain
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```
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* [Additional Reading.](http://docs.ansible.com/ansible/latest/intro_inventory.html)
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#### Task
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### Task
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Execution of a single Ansible **module** is called a **task**
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The simplest module is called `ping` as you could see above
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Another example of the module that allow you to execute command remotly on multiple resources is called shell. It is the same as you would execute command remotely over ssh.
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Another example of the module that allow you to execute command remotly on multiple resources is called `shell`. See above how you were using them already.
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##### Playbook
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### Playbook
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Execution plan written in a form of script file(s) is called `playbook`.
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Playbook consist of multiple elements
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* a list (or group) of hosts that 'the play' is executed against
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@ -114,7 +114,7 @@ Playbook script language is YAML
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You can think that playbook is very advanced CLI script that you are executing.
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##### Example of the playbook:
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#### Example of the playbook:
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This playbook would execute (on all hosts defined in the inventory) two tasks
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*`ping` that would return message *pong*
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* `shell` that execute three commands and return the output to our terminal
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