Without knowing your effective ansible config — i.e. the ansible.cfg
it's using, the environment variables that can override those settings,
and command line parameters that can override everything else — it's
impossible to say. Factors include "become", "become-user",
"become-method", "ask-pass", "ask-become-pass", and probably more.
Are you gathering facts? Ansible does gather facts by default, so if you
aren't turning that off somewhere, you can use the variables containing
user related facts. For example:
$ ansible localhost -m gather_facts | grep ansible_user
"ansible_user_dir": "/home/utoddl",
"ansible_user_gecos": "Todd Lewis",
"ansible_user_gid": 12428,
"ansible_user_id": "utoddl",
"ansible_user_shell": "/bin/bash",
"ansible_user_uid": 12428,
"ansible_userspace_architecture": "x86_64",
"ansible_userspace_bits": "64",
Not an Ansible thing, but: Do Not Use "who am i" for this. That's the
same a "who -m", which shows you the user associated with the stdin
stream, but only if that user is logged in AND only if the stdin stream
exists and has an associated user. There's a whole lot of subtle going
on there that we don't want to get into in an Ansible forum. The reason
your "su -" followed by "who am i" is showing your id rather than root
is (probably) because it's your id associated with the tty you logged
into. But that's going to be different for Ansible, depending on how
your controller connects to the target hosts, including localhost.
I gave you the python code yesterday. It's dead simple:
import os
import pwd
userid = pwd.getpwuid(os.getuid())[0]
But if you're gathering facts, just use the ansible_user_id variable.
If that's "root", and that appears to be the case, then you'll need to
understand how your controller is connecting to the target hosts. My
guess is you'll eventually need to pass the invoking user's id as an
extra variable ("-e invoking_user=${USER}") when invoking
ansible-playbook. Maybe consider a wrapper script?
--
Todd
On 7/28/23 11:03 PM, Prady A wrote:
Hi All,
I searched a quite but could able to find what I wanted
Could any pls suggest me how to get the Username in the host machine.
In Linux if I run the below command I get what I suppose to get but
don’t know how to do it ansible. Any code Ansible or python would be
helpful
Fin Linux:
*X1234@hostname$*su -
*root@hostname#*who am i
x1234 pts/2 2023-07-29 ([email protected])
My *getuser.yml*:
- debug: {{ lookup(‘env’, ‘USER’) }}
delegate_to: localhost
- local_action: command whoami
register: user_name
*root@hostname#* ansible-playbook getuser.yml
Both returning me *root*. I wanted to have *X1234* user instead. I
want use that user ID in my from address in mail module. Any
insight would be very helpfu.
Regards
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