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docs: create Configuration/Ansible/Inventaires
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---
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title: Ansible - Les inventaires
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description: Créer et gérer les inventaires Ansible
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published: true
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date: 2021-07-09T08:01:35.009Z
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tags: ansible, configuration
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editor: markdown
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dateCreated: 2021-07-09T08:01:35.009Z
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---
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![](https://blog.dbi-services.com/wp-insides/uploads/sites/2/2021/03/ansible-logo.png)
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# La struturation
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<div class="video-responsive">
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<iframe width="560" height="315" src="https://www.youtube.com/embed/D8BUV1RYFjw" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
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</div>
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## Informations
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inventory = inventaire des machines et de leurs variables
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inventory =
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* fichier d'inventaire
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* répertoire group_vars
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* répertoire host_vars
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**Eléments éssentiels car il décrit votre infra :**
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* vos serveurs
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* vos types de serveurs
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**Deux types d'instances :**
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* hosts
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* groupes
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**Plusieurs formats :**
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* ini = plat
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* yaml = plus homogène
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* json = pour manipuler
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Possiblité d'utiliser des patterns
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Groupe racine => all
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Groupes enfants
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**Exemple :**
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* un groupe parent1
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* groupes enfants : enfant1 et enfant2
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* "sous" enfant de enfant2 : enfant3
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```
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parent1 = srv4
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enfant1 = srv1 et srv2
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enfant2 = srv3
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enfant3= srv5
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```
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## Format **init**
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```init
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[parent1]
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srv4
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[enfant1]
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srv1
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srv2
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[enfant2]
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srv3
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[enfant3]
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srv5
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[parent1:children]
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groupe1
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groupe2
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[enfant2:children]
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enfant3
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```
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## Format **yaml**
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```yaml
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all:
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children:
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parent1:
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hosts:
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srv4:
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children:
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enfant1:
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hosts:
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srv1:
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srv2:
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enfant2:
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hosts:
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srv3:
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children:
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enfant3:
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hosts:
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srv5:
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```
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Passer un groupe à un autre groupe :
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```yaml
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all:
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children:
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parent1:
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parent2:
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hosts:
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srv4:
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children:
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enfant1:
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hosts:
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srv1:
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srv2:
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enfant2:
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hosts:
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srv3:
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children:
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enfant3:
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hosts:
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srv5:
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parent2:
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hosts:
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srv6:
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srv7:
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srv8:
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srv9:
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```
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Utilisation de pattern :
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```yaml
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all:
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children:
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parent1:
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parent2:
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hosts:
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srv4:
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children:
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enfant1:
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hosts:
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srv[1:2]:
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enfant2:
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hosts:
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srv3:
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children:
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enfant3:
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hosts:
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srv5:
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parent2:
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hosts:
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srv[6:]:
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```
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Un peu plus vers la pratique
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* couche commune > common
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* serveurs web nginx > webserver
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* bases de données > dbserver
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* applications dockerisées ou non > app / appdock
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Monitoring qui semble lié à toutes les machines users > monitoring
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```yaml
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all:
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children:
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common:
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children:
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webserver:
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hosts:
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srv[1:4]:
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dbserver:
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hosts:
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srv[5:6]:
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app:
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hosts:
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srv[7:10]:
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appdock:
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hosts:
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srv[11:15]:
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monitoring:
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children:
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common:
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```
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## Format Json
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https://linuxhint.com/ansible_inventory_json_format/
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