ansible-lint recommendations

roles/mariadb/tasks/mariadb.yml

@@ -33,4 +33,4 @@
     owner: mysql
     group: mysql
     mode: "0600"
-  notify: restart mariadb
+  notify: Restart mariadb

roles/mariadb/tasks/mysqld_exporter.yml

@@ -20,8 +20,8 @@
           v{{ mysqld_exporter_version.tag }}/mysqld_exporter-{{ mysqld_exporter_version.tag }}\
           .linux-{{ deb_architecture }}.tar.gz"
     dest: "/var/tmp/mysqld_exporter.tar.gz"
-  register: _download_archive
-  until: _download_archive is succeeded
+  register: mysqld_exporter_download_archive
+  until: mysqld_exporter_download_archive is succeeded
   retries: 3
   delay: 5
 
@@ -36,7 +36,7 @@
       --strip-components=1
     include:
       - "mysqld_exporter-{{ mysqld_exporter_version.tag }}.linux-{{ deb_architecture }}/mysqld_exporter"
-  notify: restart mysqld_exporter
+  notify: Restart mysqld_exporter
 
 - name: Copy the mysqld_exporter systemd service file
   template:
@@ -45,4 +45,4 @@
     owner: root
     group: root
     mode: "0644"
-  notify: restart mysqld_exporter
+  notify: Restart mysqld_exporter