I'm quite new to Ansible and have a simple question for my understanding of local_action
directive.
Would that mean that the command is fully executed locally? Let's say you have something like this:
local_action: command which nginx
register: check_nginx
failed_when: no
changed_when: no
Then you have another block looking for nginx's existence with something like that:
- fail: msg="nginx unavailable"
when: check_nginx.rc == 1
Does that mean that playbook will fail in case nginx is not installed locally or will it fail if is not installed remotely ?
Yes, local_action
is an alternative way of doing delegate_to: localhost
.
These actions will be executed on local machine (Ansible control host), but still being in context of remote host in terms of variables. So you can something like this:
local_action: command ping -c 1 {{ inventory_hostname }}
which will ping every host in your play, but ping will be initiated from Ansible control host.
If you want to provide multiple parameters to the local action it will look something like this
local_action:
module: command
_raw_params: "which nginx"
register: check_nginx
failed_when: no
changed_when: no
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