Différences

Ci-dessous, les différences entre deux révisions de la page.

--- tech:ansible_-_exemples [2025/12/04 11:10] – Jean-Baptiste
+++ tech:ansible_-_exemples [2025/12/04 11:13] (Version actuelle) – Jean-Baptiste
@@ Ligne 1: / Ligne 1: @@
+<!DOCTYPE markdown>
+{{tag>Brouillon CA}}
+# Ansible - exemples
+~~~yaml
+- name: install truc
+  import_tasks: "1-install-truc.yml"
+- name: conf truc
+  import_tasks: "2-conf-truc.yml"
+- name: install plop
+  import_tasks: "3-install-plop.yml"
+~~~
+Équivalent try except finally
+~~~yaml
+- name: Attempt and graceful roll back demo
+  block:
+    - name: Print a message
+      ansible.builtin.debug:
+        msg: 'I execute normally'
+    - name: Force a failure
+      ansible.builtin.command: /bin/false
+    - name: Never print this
+      ansible.builtin.debug:
+        msg: 'I never execute, due to the above task failing, :-('
+  rescue:
+    - name: Print when errors
+      ansible.builtin.debug:
+        msg: 'I caught an error'
+    - name: Force a failure in middle of recovery! >:-)
+      ansible.builtin.command: /bin/false
+    - name: Never print this
+      ansible.builtin.debug:
+        msg: 'I also never execute :-('
+  always:
+    - name: Always do this
+      ansible.builtin.debug:
+        msg: "This always executes"
+~~~
+## Plugin lookup
+~~~yaml
+- name: raw result of running date command"
+  debug:
+    msg: "{{ lookup('pipe', 'date') }}
+- name: create a mysql user with a random password using many different char sets
+  mysql_user:
+    name: "{{ client }}"
+    password" "{{ lookup('password', '/tmp/passwordfile chars=ascii_letters,digits,hexdigits,punctuation') }}"
+    priv: "{{ client }}_{{ tier }}_{{ role }}.*:ALL"
+~~~
+## Exemple config projet
+''.ansible-lint''
+~~~yaml
+---
+skip_list:
+- '303'  # Using command rather than module for yum/dnf
+- ignore-errors
+~~~
+''.yamllint.yml''
+~~~yaml
+# SPDX-License-Identifier: MIT
+---
+extends: .yamllint_defaults.yml
+# possible customizations over the base yamllint config
+# skip the yaml files in the /tests/ directory
+# NOTE: If you want to customize `ignore` you'll have to
+# copy in all of the config from .yamllint.yml, then
+# add your own - so if you want to just add /tests/ to
+# be ignored, you'll have to add the ignores from the base
+# ignore: |
+#   /tests/
+#   /.tox/
+# skip checking line length
+# NOTE: the above does not apply to `rules` - you do not
+# have to copy all of the rules from the base config
+~~~
+''.yamllint_defaults.yml''
+~~~yaml
+# SPDX-License-Identifier: MIT
+---
+ignore: |
+  /.tox/
+extends: default
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  truthy:
+    allowed-values: ["yes", "no", "true", "false"]
+    level: error
+  document-start: disable
+  colons: disable
+~~~
+.yamllint
+~~~yaml
+extends: default
+rules:
+  colons:
+    max-spaces-before: 1
+    max-spaces-after: 20
+  line-length: disable
+~~~
+---
+''ansible.cfg''
+~~~ini
+[defaults]
+roles_path = ../
+~~~
+~~~bash
+# To generate an example config file (a "disabled" one with all default settings, commented out):
+ansible-config init --disabled > ansible.cfg
+# Also you can now have a more complete file by including existing plugins:
+ansible-config init --disabled -t all > ansible.cfg
+# Voir la configuration :
+ansible-config dump --only-changed -t all
+~~~
+Voir ''ansible-navigator config''
+''.gitignore''
+~~~
+*.retry
+/.vagrant
+*.swp
+~~~