Remove Ansible 2.9 & 2.10

README.md

@@ -65,10 +65,13 @@ The PostgreSQL modules rely on the [Psycopg2](https://www.psycopg.org/docs/) Pos
 
 ## Tested with ansible-core
 
+Tested with the following Ansible releases:
 - 2.11
 - 2.12
 - 2.13
-- devel
+- current development version
+
+Ansible-core versions before 2.11.0 are not supported. In particular, ansible-base 2.10 and Ansible 2.9 are not supported.
 
 Our AZP CI includes testing with the following docker images / PostgreSQL versions:
 

changelogs/fragments/remove-2.9-2.10-compatability.yml

@@ -0,0 +1,2 @@
+major_changes:
+  - The community.postgresql collection no longer supports Ansible 2.9 and ansible-base 2.10. While we take no active measures to prevent usage, we will remove compatibility code and other compatibility measures that will effectively prevent using most content from this collection with Ansible 2.9, and some content of this collection with ansible-base 2.10. Both Ansible 2.9 and ansible-base 2.10 will very soon be End of Life and if you are still using them, you should consider upgrading to ansible-core 2.11 or later as soon as possible (https://github.com/ansible-collections/community.postgresql/pull/245).

plugins/module_utils/version.py

@@ -8,7 +8,7 @@
 from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
-# Once we drop support for Ansible 2.9, ansible-base 2.10, and ansible-core 2.11, we can
+# Once we drop support for Ansible 2.11, we can
 # remove the _version.py file, and replace the following import by
 #
 #     from ansible.module_utils.compat.version import LooseVersion