From 5e80355057c7642cb9089461361701edfa71e896 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aur=C3=A9lien=20Bompard?= <aurelien@bompard.org>
Date: Wed, 10 May 2023 17:45:57 +0200
Subject: [PATCH] Add a fact module to get information about python3
 installations
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Signed-off-by: Aurélien Bompard <aurelien@bompard.org>
---
 library/python3_fact.py                       | 66 +++++++++++++++++++
 roles/ansible-server/templates/ansible.cfg.j2 |  1 +
 2 files changed, 67 insertions(+)
 create mode 100644 library/python3_fact.py

diff --git a/library/python3_fact.py b/library/python3_fact.py
new file mode 100644
index 0000000000..ca5b7a4aaf
--- /dev/null
+++ b/library/python3_fact.py
@@ -0,0 +1,66 @@
+#!/usr/bin/env python3
+
+from distutils.sysconfig import get_python_lib
+
+from ansible.module_utils.basic import AnsibleModule
+
+
+DOCUMENTATION = r'''
+---
+module: python3_fact
+
+short_description: Add Ansible facts about the Python3 installation
+
+# If this is part of a collection, you need to use semantic versioning,
+# i.e. the version is of the form "2.5.0" and not "2.4".
+version_added: "1.0.0"
+
+description: Ansible facts will be added about the following Python3
+
+author:
+    - Aurelien Bompard (@abompard)
+'''
+
+EXAMPLES = r'''
+# In ansible.cfg
+
+facts_modules = smart, python3_fact
+
+# Ansible facts dump:
+
+$ ansible -m debug -a var=ansible_facts hostname
+"ansible_facts": {
+    ...
+    "python3": {
+        "sitelib": "/usr/lib/python3.11/site-packages"
+    },
+    ...
+}
+'''
+
+RETURN = r'''
+sitelib:
+    description: The full path to the site-packages directory.
+    type: str
+    returned: always
+    sample: '/usr/lib/python3.11/site-packages'
+'''
+
+
+def run_module():
+    result = {
+        "sitelib": get_python_lib(),
+    }
+    module = AnsibleModule(
+        argument_spec={},
+        supports_check_mode=True
+    )
+    module.exit_json(changed=False, ansible_facts=dict(python3=result))
+
+
+def main():
+    run_module()
+
+
+if __name__ == '__main__':
+    main()
diff --git a/roles/ansible-server/templates/ansible.cfg.j2 b/roles/ansible-server/templates/ansible.cfg.j2
index 133b63afd6..19e02cba96 100644
--- a/roles/ansible-server/templates/ansible.cfg.j2
+++ b/roles/ansible-server/templates/ansible.cfg.j2
@@ -333,6 +333,7 @@ vars_plugins={{ ansible_base }}/ansible/vars_plugins:~/.ansible/plugins/vars:/us
 
 # (list) Which modules to run during a play's fact gathering stage, using the default of 'smart' will try to figure it out based on connection type.
 ;facts_modules=smart
+facts_modules=smart, python3_fact
 
 # (boolean) Set this to "False" if you want to avoid host key checking by the underlying tools Ansible uses to connect to the host
 ;host_key_checking=True