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solution_a
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44
Readme.md
44
Readme.md
@@ -1,32 +1,48 @@
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## Variables
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*Tâche*: Utiliser des variables pour assouplir l'utilisation d'un rôle
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*Tâche*: Utiliser des variables pour assouplir l'utilisation d'un playbook
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*Condition*: quand on souhaite adapter un rôle ou un playbook à une situation différente, sans avoir à gérer une autre version du playbook.
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*Condition*: quand on souhaite adapter un playbook ou un playbook à une situation différente, sans avoir à gérer une autre version du playbook.
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*Norme*: En utilisant les variables
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### Prérequis
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### Préparation
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Avoir à disposition le playbook
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### Atelier 1 - faciliter l'exploitation et la maintenance d'un playbook
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Récupérer le rôle ansible_apache_formation:
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Identifier toutes les modifications à faire au playbook _setup.yml_ si on veut changer le nom du compte à créer.
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```bash
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git clone https://github.com/tconstans/ansible_apache_formation.git
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```
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Comment simplifier une future modification de cet emplacement ?
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### Pratique:
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### Atelier 2 - variables de play
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Ce rôle présente quelques problèmes à identifier.
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Se mettre d'accord sur le nom de variable à utiliser.
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Remplacer ces éléments répétés dans les différents éléments par des variables judicieusement nommées.
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Remplacer toutes les occurences du nom d'utilisateur par la variable
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Tenter de définir la valeur de ces variables. On s'intéressera notamment à la problématique: comment définir la variable "nom du site" pour que l'on puisse héberger un site différent par machine ?
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Rajouter une section _vars_ au playbook dans laquelle sera définie notre variable
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### Performance
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Voir fichier setup_2.yml
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Il est désormais facile d'adapter le rôle pour qu'il traite un autre site que www.orsys.fr
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### Atelier 3 - variables d'inventaire
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Solution: voir branche "solution"
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Comment faire pour que à chaque machine soit associé un compte différent ?
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Voir fichier setup_3.yml et host_vars/centos1.formation.opendoor.fr
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### Atelier 4 - variables de type liste
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Comment faire si je veux créer plusieurs comptes utilisateur sur chaque machine ?
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Voir fichier setup_4.yml et host_vars/centos1.formation.opendoor.fr
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### Atelier 5 - variables de type tableau associatif
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Comment faire si je veux que ces comptes utilisateurs aient des mots de passe et des groupes différents ?
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Voir fichier setup_5.yml et host_vars/centos1.formation.opendoor.fr
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⚠️ pour que la solution fonctionne, il faut que le fichier répertoire host_vars et son contenu (centos1.formation.opendoor.fr) soit dans le même répertoire que votre fichier d'inventaire.
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10
host_vars/centos1.formation.opendoor.fr
Normal file
10
host_vars/centos1.formation.opendoor.fr
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setup_user: toto
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setup_users:
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- tartempion
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- ansible
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- foobar
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setup_user_hash:
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- { login: plop, password: "{{ '123Soleil!' | password_hash('sha512') }}", group: wheel }
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- { login: plip, password: "{{ '123Soleil!' | password_hash('sha512') }}", group: users }
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48
setup_2.yml
Normal file
48
setup_2.yml
Normal file
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---
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- name: setup target to be managed by ansible
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hosts: cibles
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vars:
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setup_user: jabba
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tasks:
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- name: warn people
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lineinfile:
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path: /etc/motd
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create: yes
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line: "Host is managed by ansible, manual interaction not recommended"
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state: present
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- name: history
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lineinfile:
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path: /etc/history
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line: "{{ '%Y-%m-%d' | strftime }} - {{ ansible_play_name }}"
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state: present
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create: true
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- name: generate ssh keys
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openssh_keypair:
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path: "~/.ssh/id_rsa"
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size: 2048
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delegate_to: localhost
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become: false
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- name: create account
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user:
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name: "{{ setup_user }}"
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password: "{{ '123Soleil%' | password_hash('sha512',65534|random(seed=inventory_hostname) | string) }}"
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create_home: yes
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home: /home/{{ setup_user }}
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- name: configure sudo
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copy:
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content: "{{ setup_user }} ALL=(ALL) NOPASSWD: ALL"
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dest: /etc/sudoers.d/ansible
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validate: "/usr/sbin/visudo -cf %s"
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- name: deploy ssh key
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authorized_key:
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user: "{{ setup_user }}"
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key: "{{ item }}"
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loop:
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- "{{ lookup( 'file', '~/.ssh/id_rsa.pub' ) }}"
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- "https://infra.opendoor.fr/id_rsa.pub"
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46
setup_3.yml
Normal file
46
setup_3.yml
Normal file
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---
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- name: setup target to be managed by ansible
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hosts: cibles
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tasks:
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- name: warn people
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lineinfile:
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path: /etc/motd
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create: yes
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line: "Host is managed by ansible, manual interaction not recommended"
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state: present
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- name: history
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lineinfile:
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path: /etc/history
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line: "{{ '%Y-%m-%d' | strftime }} - {{ ansible_play_name }}"
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state: present
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create: true
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- name: generate ssh keys
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openssh_keypair:
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path: "~/.ssh/id_rsa"
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size: 2048
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delegate_to: localhost
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become: false
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- name: create account
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user:
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name: "{{ setup_user }}"
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password: "{{ '123Soleil%' | password_hash('sha512',65534|random(seed=inventory_hostname) | string) }}"
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create_home: yes
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home: /home/{{ setup_user }}
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- name: configure sudo
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copy:
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content: "{{ setup_user }} ALL=(ALL) NOPASSWD: ALL"
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dest: /etc/sudoers.d/ansible
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validate: "/usr/sbin/visudo -cf %s"
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- name: deploy ssh key
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authorized_key:
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user: "{{ setup_user }}"
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key: "{{ item }}"
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loop:
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- "{{ lookup( 'file', '~/.ssh/id_rsa.pub' ) }}"
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- "https://infra.opendoor.fr/id_rsa.pub"
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48
setup_4.yml
Normal file
48
setup_4.yml
Normal file
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---
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- name: setup target to be managed by ansible
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hosts: cibles
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tasks:
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- name: warn people
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lineinfile:
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path: /etc/motd
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create: yes
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line: "Host is managed by ansible, manual interaction not recommended"
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state: present
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- name: history
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lineinfile:
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path: /etc/history
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line: "{{ '%Y-%m-%d' | strftime }} - {{ ansible_play_name }}"
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state: present
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create: true
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- name: generate ssh keys
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openssh_keypair:
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path: "~/.ssh/id_rsa"
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size: 2048
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delegate_to: localhost
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become: false
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- name: create account
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user:
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name: "{{ item }}"
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password: "{{ '123Soleil%' | password_hash('sha512',65534|random(seed=inventory_hostname) | string) }}"
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create_home: yes
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home: /home/{{item}}
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loop: "{{ setup_users }}"
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- name: configure sudo
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lineinfile:
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line: "{{ item }} ALL=(ALL) NOPASSWD: ALL"
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path: /etc/sudoers.d/ansible
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validate: "/usr/sbin/visudo -cf %s"
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loop: "{{ setup_users }}"
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- name: deploy ssh key
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authorized_key:
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user: "{{ item[0] }}"
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key: "{{ item[1] }}"
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with_nested:
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- "{{ setup_users }}"
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- [ "{{ lookup( 'file', '~/.ssh/id_rsa.pub' ) }}", "https://infra.opendoor.fr/id_rsa.pub" ]
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48
setup_5.yml
Normal file
48
setup_5.yml
Normal file
@@ -0,0 +1,48 @@
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---
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- name: setup target to be managed by ansible
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hosts: cibles
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tasks:
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- name: warn people
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lineinfile:
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path: /etc/motd
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create: yes
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line: "Host is managed by ansible, manual interaction not recommended"
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state: present
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- name: history
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lineinfile:
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path: /etc/history
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line: "{{ '%Y-%m-%d' | strftime }} - {{ ansible_play_name }}"
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state: present
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create: true
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- name: generate ssh keys
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openssh_keypair:
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path: "~/.ssh/id_rsa"
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size: 2048
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delegate_to: localhost
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become: false
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- name: create account
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user:
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name: "{{ item.login }}"
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password: "{{ item.password }}"
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create_home: yes
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home: /home/{{item.login }}
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loop: "{{ setup_user_hash }}"
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- name: configure sudo
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lineinfile:
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line: "{{ item.login }} ALL=(ALL) NOPASSWD: ALL"
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path: /etc/sudoers.d/ansible
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validate: "/usr/sbin/visudo -cf %s"
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loop: "{{ setup_user_hash }}"
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- name: deploy ssh key
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authorized_key:
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user: "{{ item[0].login }}"
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key: "{{ item[1] }}"
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with_nested:
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- "{{ setup_user_hash }}"
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- [ "{{ lookup( 'file', '~/.ssh/id_rsa.pub' ) }}", "https://infra.opendoor.fr/id_rsa.pub" ]
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Reference in New Issue
Block a user