[DPE-4573] Update MySQL to v8.0.39 (#488)

* Update MySQL to v8.0.39

* Tentatively pull in updated mysql charm lib to fix failing upgrade tests

lib/charms/mysql/v0/mysql.py

@@ -134,7 +134,7 @@ def wait_until_mysql_connection(self) -> None:
 # Increment this major API version when introducing breaking changes
 LIBAPI = 0
 
-LIBPATCH = 75
+LIBPATCH = 77
 
 UNIT_TEARDOWN_LOCKNAME = "unit-teardown"
 UNIT_ADD_LOCKNAME = "unit-add"
@@ -2311,7 +2311,7 @@ def verify_server_upgradable(self, instance: Optional[str] = None) -> None:
             "try:",
             "    util.check_for_server_upgrade(options={'outputFormat': 'JSON'})",
             "except ValueError:",  # ValueError is raised for same version check
-            "    if session.run_sql('select @@version').fetch_all()[0][0].split('-')[0] == shell.version.split()[1]:",
+            "    if session.run_sql('select @@version').fetch_all()[0][0].split('-')[0] in shell.version:",
             "        print('SAME_VERSION')",
             "    else:",
             "        raise",
@@ -2471,9 +2471,22 @@ def stop_group_replication(self) -> None:
             "    session.run_sql('STOP GROUP_REPLICATION')",
         )
         try:
+            logger.debug("Stopping Group Replication for unit")
             self._run_mysqlsh_script("\n".join(stop_gr_command))
         except MySQLClientError:
-            logger.debug("Failed to stop Group Replication for unit")
+            logger.warning("Failed to stop Group Replication for unit")
+
+    def start_group_replication(self) -> None:
+        """Start Group replication on the instance."""
+        start_gr_command = (
+            f"shell.connect('{self.instance_def(self.server_config_user)}')",
+            "session.run_sql('START GROUP_REPLICATION')",
+        )
+        try:
+            logger.debug("Starting Group Replication for unit")
+            self._run_mysqlsh_script("\n".join(start_gr_command))
+        except MySQLClientError:
+            logger.warning("Failed to start Group Replication for unit")
 
     def reboot_from_complete_outage(self) -> None:
         """Wrapper for reboot_cluster_from_complete_outage command."""

metadata.yaml

@@ -32,7 +32,7 @@ resources:
   mysql-image:
     type: oci-image
     description: Ubuntu LTS Docker image for MySQL
-    upstream-source: ghcr.io/canonical/charmed-mysql@sha256:704af773157fa6c36e5123cf04cac5375971c691b1411ab76cded596e8131dd3
+    upstream-source: ghcr.io/canonical/charmed-mysql@sha256:aa4d9b21673d2c6e4db3dc943179bae95dd8d355790b68e4e0610da9513ee6c9
 
 peers:
   database-peers:

src/dependency.json

@@ -9,6 +9,6 @@
     "dependencies": {},
     "name": "charmed-mysql",
     "upgrade_supported": ">8.0.31",
-    "version": "8.0.37"
+    "version": "8.0.39"
   }
 }