1. Vars¶
1.1. Definition¶
Can be defined from:
Playbooks
Files
Inventories (group vars, host vars)
Command line
Discovered variables (facts)
Ansible Tower
# The variables file used by the playbooks in the dbservers group.
# These don't have to be explicitly imported by vars_files: they are autopopulated.
mysqlservice: mysqld
mysql_port: 3306
dbuser: foouser
dbname: foodb
upassword: abc
1.2. Environment Variables¶
- hosts: all
remote_user: root
# here we make a variable named "env" that is a dictionary
vars:
env:
HI: test2
http_proxy: http://proxy.example.com:8080
tasks:
# here we just define the dictionary directly and use it
# (here $HI is the shell variable as nothing in Ansible will replace it)
- shell: echo $HI
environment:
HI: test1
# here we are using the "env" map variable above
- shell: echo $HI
environment: "{{ env }}"