I want to check whether a certain package is installed on a coupld of servers
and create a csv-file from it
sub1-rd1533.agrar.portal.local, python3-psycopg2 is missing
sub1-rd5194.prod.eakte.rz-abc.local, python3-psycopg2 exists
vm-414001-0251.step.zrz.abc.local, python3-psycopg2 exists
I though of using 'rpm -q <package_name>' and based on it's return code 0 or 1
print the corresponding message into my csv.
However the rpm -q <package_name> tasks simply fails on targets who do not have
the package installed rather then registering the rc 1 and making it avaiable
further down the playbook.
So I guess I am following the wrong approach. Can anybody kindly push be into
the right direction?
==== THE Playbook =================================================
- name: check wheter packages exist
hosts: "{{ targets | default ('postgres') }}"
vars:
package_names:
- python3-psycopg2
tasks:
- name: "Check if listed package is installed or not"
command: rpm -q "{{ item }}"
loop: "{{ package_names }}"
register: package_check
- name: "Print success"
debug:
msg: "{{ package_names }} is installed"
when: package_check is succeeded
- name: "Print failure"
debug:
msg: "{{ package_names }} is not installed"
when: package_check is failed
======================================================================
==== the output ======================================================
[me@sub1-rd1985 ad_hoc_playbooks]$ play get_package.yml -l @temp/limit
PLAY [check wheter packages exist]
*************************************************************************************************************************************************************
TASK [Gathering Facts]
*************************************************************************************************************************************************************************
ok: [sub1-rd1533.agrar.portal.local]
ok: [sub1-rd5194.prod.eakte.rz-abc.local]
ok: [vm-414001-0251.step.zrz.abc.local]
TASK [Check if listed package is installed or not]
*********************************************************************************************************************************************
changed: [sub1-rd5194.prod.eakte.rz-abc.local] => (item=python3-psycopg2)
failed: [sub1-rd1533.agrar.portal.local] (item=python3-psycopg2) =>
{"ansible_loop_var": "item", "changed": true, "cmd": ["rpm", "-q",
"python3-psycopg2"], "delta": "0:00:00.031946", "end": "2023-06-06
16:05:12.622331", "item": "python3-psycopg2", "msg": "non-zero return code",
"rc": 1, "start": "2023-06-06 16:05:12.590385", "stderr": "", "stderr_lines":
[], "stdout": "package python3-psycopg2 is not installed", "stdout_lines":
["package python3-psycopg2 is not installed"]}
changed: [vm-414001-0251.step.zrz.abc.local] => (item=python3-psycopg2)
TASK [Print success]
***************************************************************************************************************************************************************************
ok: [sub1-rd5194.prod.eakte.rz-abc.local] => {
"msg": "['python3-psycopg2'] is installed"
}
ok: [vm-414001-0251.step.zrz.abc.local] => {
"msg": "['python3-psycopg2'] is installed"
}
TASK [Print failure]
***************************************************************************************************************************************************************************
skipping: [sub1-rd5194.prod.eakte.rz-abc.local]
skipping: [vm-414001-0251.step.zrz.abc.local]
PLAY RECAP
*************************************************************************************************************************************************************************************
sub1-rd1533.agrar.portal.local :ok=1 changed=0 unreachable=0failed=1
skipped=0 rescued=0 ignored=0
sub1-rd5194.prod.eakte.rz-abc.local :ok=3changed=1 unreachable=0
failed=0skipped=1 rescued=0 ignored=0
vm-414001-0251.step.zrz.abc.local :ok=3changed=1 unreachable=0
failed=0skipped=1 rescued=0 ignored=0
=================================================================================================================================
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