Add ability to remove packages

README.md

@@ -44,12 +44,20 @@ A boolean, `mariadb_mysqltuner` defaults to `true` and results in [MySQLTuner](h
 
 A version number for MySQLTuner, `mariadb_mysqltuner_version` defaults to `1.9.9` the version provided by [Debian Bookworm](https://packages.debian.org/bookworm/mysqltuner). If `mariadb_mysqltuner_version` is set to `latest` then the [versions available from GitHub](https://github.com/major/MySQLTuner-perl/releases) are checked and the latest release is installed.
 
-### mariadb_pkgs
+### mariadb_pkgs_absent
 
 A list of Debian packages to install, the default value for `mariadb_pkgs`:
 
 ```yaml
-mariadb_pkgs:
+mariadb_pkgs_absent: []
+```
+
+### mariadb_pkgs_present
+
+A list of Debian packages to install, the default value for `mariadb_pkgs`:
+
+```yaml
+mariadb_pkgs_present:
   - git
   - jo
   - mariadb-client

defaults/main.yml

@@ -51,7 +51,8 @@ mariadb_config:
         max_allowed_packet: "64M"
 mariadb_mysqltuner: true
 mariadb_mysqltuner_version: "1.9.9"
-mariadb_pkgs:
+mariadb_pkgs_absent: []
+mariadb_pkgs_present:
   - git
   - jo
   - mariadb-client

meta/argument_specs.yml

@@ -89,11 +89,16 @@ argument_specs:
         type: str
         required: true
         description: MySQLTuner version.
-      mariadb_pkgs:
+      mariadb_pkgs_absent:
         type: list
         elements: str
         required: false
-        description: A list of packages to install.
+        description: A list of packages to remove if present.
+      mariadb_pkgs_present:
+        type: list
+        elements: str
+        required: false
+        description: A list of packages to install if absent.
       mariadb_priv:
         type: list
         elements: str

tasks/main.yml

@@ -44,34 +44,52 @@
       tags:
         - mariadb_local_facts
 
-    - name: Install MariaDB packages
+    - name: Install and remove MariaDB packages
       block:
 
         - name: "{{ mariadb_task_name }}"
           ansible.builtin.apt:
-            pkg: "{{ mariadb_pkgs }}"
+            pkg: "{{ mariadb_pkgs_present }}"
             state: present
             update_cache: false
           vars:
             mariadb_task_name: >-
-              Packages {% for mariadb_pkg in mariadb_pkgs | difference(ansible_local.dpkg.installed) %}{{ mariadb_pkg -}}
+              Packages {% for mariadb_pkg in mariadb_pkgs_present | ansible.builtin.difference(ansible_local.dpkg.installed) %}{{ mariadb_pkg -}}
               {%- if loop.length > 1 and not loop.last %}, {% endif %}{% endfor %} and dependancies installed
           register: mariadb_install
           notify: Restart mariadb
 
+        - name: "{{ mariadb_task_name }}"
+          ansible.builtin.apt:
+            pkg: "{{ mariadb_pkgs }}"
+            state: present
+            update_cache: false
+          vars:
+            mariadb_task_name: >-
+              Packages {% for mariadb_pkg in mariadb_pkgs_absent | ansible.builtin.intersect(ansible_local.dpkg.installed) %}{{ mariadb_pkg -}}
+              {%- if loop.length > 1 and not loop.last %}, {% endif %}{% endfor %} removed
+          register: mariadb_remove
+          notify: Restart mariadb
+
         - name: Include apt role local fact tasks  # noqa: no-handler
           ansible.builtin.include_role:
             name: apt
             tasks_from: local_facts.yml
-          when:
-            - mariadb_install.changed is defined
-            - mariadb_install.changed | bool
-
-      when:
-        - mariadb_pkgs is defined
-        - mariadb_pkgs != []
-        - ansible_local.dpkg.installed is defined
-        - mariadb_pkgs | difference(ansible_local.dpkg.installed) != []
+          when: >-
+            ( ( mariadb_install.changed is defined ) and
+            ( mariadb_install.changed | bool ) ) or
+            ( ( mariadb_remove.changed is defined ) or
+            ( mariadb_remove.changed | bool ) )
+
+      when: >
+        ( ( mariadb_pkgs_present is defined ) and
+        ( mariadb_pkgs_present != [] ) and
+        ( ansible_local.dpkg.installed is defined ) and
+        ( mariadb_pkgs_present | ansible.builtin.difference(ansible_local.dpkg.installed) != [] ) ) or
+        ( ( mariadb_pkgs_absent is defined ) and
+        ( mariadb_pkgs_absent != [] ) and
+        ( ansible_local.dpkg.installed is defined ) and
+        ( mariadb_pkgs_absent | ansible.builtin.intersect(ansible_local.dpkg.installed) != [] ) ) or
       tags:
         - mariadb_install