Getting started
Hosts
$ sudo mkdir /etc/ansible
$ sudo vim /etc/ansible/hosts
[example]
192.0.2.101
192.0.2.102
Running a playbook
$ ansible-playbook playbook.yml
Tasks
- hosts: all
user: root
sudo: no
vars:
aaa: bbb
tasks:
- ...
handlers:
- ...
Includes
tasks:
- include: db.yml
handlers:
- include: db.yml user=timmy
Handlers
handlers:
- name: start apache2
action: service name=apache2 state=started
tasks:
- name: install apache
action: apt pkg=apache2 state=latest
notify:
- start apache2
Vars
- host: lol
vars_files:
- vars.yml
vars:
project_root: /etc/xyz
tasks:
- name: Create the SSH directory.
file: state=directory path=${project_root}/home/.ssh/
only_if: "$vm == 0"
Roles
- host: xxx
roles:
- db
- { role:ruby, sudo_user:$user }
- web
# Uses:
# roles/db/tasks/*.yml
# roles/db/handlers/*.yml
Task: Failures
- name: my task
command: ...
register: result
failed_when: "'FAILED' in result.stderr"
ignore_errors: yes
changed_when: "result.rc != 2"
Env vars
vars:
local_home: "{{ lookup('env','HOME') }}"
Refereneces