sync roles with changes from OWS

roles/mariadb/tasks/mariadb.yml

@@ -1,4 +1,14 @@
 ---
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "amd64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "x86_64"
+
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "arm64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "aarch64"
+
 - name: Add MariaDB GPG apt key
   apt_key:
     url: https://mariadb.org/mariadb_release_signing_key.asc
@@ -7,7 +17,7 @@
 
 - name: Add MariaDB Repository
   apt_repository:
-    repo: "deb [arch={{ deb_architecture }} signed-by=/usr/share/keyrings/mariadb_release_signing_key.gpg] \
+    repo: "deb [arch={{ architecture_alias }} signed-by=/usr/share/keyrings/mariadb_release_signing_key.gpg] \
           https://mirrors.n-ix.net/mariadb/repo/{{ mariadb_server_version }}/ubuntu {{ ansible_distribution_release }} main/debug"
     state: present
     update_cache: true

roles/mariadb/tasks/mysqld_exporter.yml

@@ -14,11 +14,21 @@
     mysqld_exporter_version: "{{ mysqld_exporter_version | replace ('v', '', 1) | trim }}"
   run_once: true
 
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "amd64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "x86_64"
+
+- name: Set architecture alias
+  set_fact:
+    architecture_alias: "arm64"  # noqa: var-naming[no-role-prefix]
+  when: ansible_architecture == "aarch64"
+
 - name: Download mysqld_exporter {{ mysqld_exporter_version.tag }} from GitHub
   get_url:
     url: "https://github.com/prometheus/mysqld_exporter/releases/download/\
           v{{ mysqld_exporter_version.tag }}/mysqld_exporter-{{ mysqld_exporter_version.tag }}\
-          .linux-{{ deb_architecture }}.tar.gz"
+          .linux-{{ architecture_alias }}.tar.gz"
     dest: "/var/tmp/mysqld_exporter.tar.gz"
   register: mysqld_exporter_download_archive
   until: mysqld_exporter_download_archive is succeeded
@@ -35,7 +45,7 @@
     extra_opts:
       --strip-components=1
     include:
-      - "mysqld_exporter-{{ mysqld_exporter_version.tag }}.linux-{{ deb_architecture }}/mysqld_exporter"
+      - "mysqld_exporter-{{ mysqld_exporter_version.tag }}.linux-{{ architecture_alias }}/mysqld_exporter"
   notify: Restart mysqld_exporter
 
 - name: Copy the mysqld_exporter systemd service file