Bump galera client version to 10.4.12

Depends-On: https://review.opendev.org/725269
Change-Id: I301033cde04332a6d54491639dfaafc3848bbc24

defaults/main.yml

@@ -24,8 +24,8 @@ galera_repo_host: downloads.mariadb.com
 galera_client_repo_url: "{{ galera_repo_url | default(_galera_client_repo_url) }}"
 
 # Set the major version to use for the galera repo
-galera_client_major_version: 10.3
-galera_client_minor_version: 18
+galera_client_major_version: 10.4
+galera_client_minor_version: 12
 
 # Set the repo information for the MariaDB repository
 galera_client_repo: "{{ _galera_client_repo }}"
@@ -59,7 +59,7 @@ galera_client_fatal_deprecations: false
 ## Tunable overrides
 galera_client_my_cnf_overrides: {}
 
-mariadb_repo_filename: "MariaDB"
+mariadb_repo_filename: "MariaDB-Client"
 
 # SSL support
 galera_use_ssl: false

tasks/galera_client_install_apt.yml

@@ -13,6 +13,17 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+- name: Run the apt package pinning role
+  include_role:
+    name: apt_package_pinning
+  vars:
+    apt_package_pinning_file_name: "galera-client.pref"
+    apt_package_pinning_priority: 999
+    apt_pinned_packages:
+      - package: "mariadb-client-*"
+        version: "{{ galera_client_major_version }}.{{ galera_client_minor_version }}"
+        priority: 1000
+
 - name: Ensure host can talk to HTTPS apt repos
   apt:
     pkg: "apt-transport-https"