creating a csv for a package existing or not existing on remotes

[dulh...@mailbox.org]

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

=================================================================================================================================

[Hearn, Stan J.]

You can use package facts.

 

  - name: Gather the rpm package_facts

    package_facts:

      manager: auto

 

  - name: do something if package not installed

    debug:

      msg: 'hey package is not installed'

    when: "''MyPackage'' not in ansible_facts.packages"

 

  - name: do something if package is installed

    debug:

      msg: 'Hey package is installed'

    when: "''MyPackage'' in ansible_facts.packages"

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[dulh...@mailbox.org]

great, that works as it should, thank you!

To view this discussion on the web visit https://groups.google.com/d/msgid/ansible-project/PH0PR10MB559314C85CD8C05F6524341EF052A%40PH0PR10MB5593.namprd10.prod.outlook.com.

 

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