How to on ansible one liners?

giraffelife

The Options

-i  - host inventory
-m  - the ansible module
-a  - the arguments

Get the hostname using the shell module.

$ ansible -i production all -m shell -a "hostname"

Get the hostname and the redhat release.

$ ansible -i production all -m shell -a "hostname;cat /etc/redhat-release"

Get a list of hosts the playbook will run against.

$ ansible-playbook -i test site.yml --tags ntp --list-hosts
playbook: site.yml

  play #1 (all): all    TAGS: []
    pattern: [u'all']
    hosts (24):
...
...

Run playbook to execute roles, common, dbserver with elevated privs.

$ ansible-playbook --sudo -i inventory/test playbooks/dbservers.yml  --ask-become-pass

Use of variable on the command line specified in different way.

$ ansible-playbook --sudo -i inventory/test playbooks/dbservers.yml  --ask-become-pass -e "httpd_port=8080"