Fix the db user for mariadb in ubuntu 24.04

It was fixed in past for ubuntu 22.04 with [1],
removing the check for jammy so it applies to
all ubuntu versions since jammy.
The checks now only refer debian distros so those
can be adjusted with new debian releases.

[1] https://review.opendev.org/c/openstack/devstack/+/866944

Related-Bug: #1999090
Closes-Bug: #2090835
Change-Id: Iff843c5c3f9c081aa1cec6c399a6ed8c05e06abe

lib/databases/mysql

@@ -104,10 +104,10 @@ function configure_database_mysql {
     # Set the root password - only works the first time. For Ubuntu, we already
     # did that with debconf before installing the package, but we still try,
     # because the package might have been installed already. We don't do this
-    # for Ubuntu 22.04 (jammy) because the authorization model change in
+    # for Ubuntu 22.04+ because the authorization model change in
     # version 10.4 of mariadb. See
     # https://mariadb.org/authentication-in-mariadb-10-4/
-    if ! (is_ubuntu && [[ "$DISTRO" == "jammy" ]] && [ "$MYSQL_SERVICE_NAME" == "mariadb" ]); then
+    if ! (is_ubuntu && [[ ! "$DISTRO" =~ bookworm|bullseye ]] && [ "$MYSQL_SERVICE_NAME" == "mariadb" ]); then
         sudo mysqladmin -u root password $DATABASE_PASSWORD || true
     fi
 
@@ -124,16 +124,11 @@ function configure_database_mysql {
     # we need to change auth plugin for root user
     # TODO(frickler): simplify this logic
     if is_ubuntu && [[ ! "$DISTRO" =~ bookworm|bullseye ]] && [ "$MYSQL_SERVICE_NAME" == "mariadb" ]; then
-        if [[ "$DISTRO" == "jammy" ]]; then
-            # For Ubuntu 22.04 (jammy) we follow the model outlined in
-            # https://mariadb.org/authentication-in-mariadb-10-4/
-            sudo mysql -e "ALTER USER $DATABASE_USER@localhost IDENTIFIED VIA mysql_native_password USING PASSWORD('$DATABASE_PASSWORD');"
-        else
-            sudo mysql $cmd_args -e "UPDATE mysql.user SET plugin='' WHERE user='$DATABASE_USER' AND host='localhost';"
-            sudo mysql $cmd_args -e "FLUSH PRIVILEGES;"
-        fi
+        # For Ubuntu 22.04+ we follow the model outlined in
+        # https://mariadb.org/authentication-in-mariadb-10-4/
+        sudo mysql -e "ALTER USER $DATABASE_USER@localhost IDENTIFIED VIA mysql_native_password USING PASSWORD('$DATABASE_PASSWORD');"
     fi
-    if ! (is_ubuntu && [[ "$DISTRO" == "jammy" ]] && [ "$MYSQL_SERVICE_NAME" == "mariadb" ]); then
+    if ! (is_ubuntu && [[ ! "$DISTRO" =~ bookworm|bullseye ]] && [ "$MYSQL_SERVICE_NAME" == "mariadb" ]); then
         # Create DB user if it does not already exist
         sudo mysql $cmd_args -e "CREATE USER IF NOT EXISTS '$DATABASE_USER'@'%' identified by '$DATABASE_PASSWORD';"
         # Update the DB to give user '$DATABASE_USER'@'%' full control of the all databases: