Change replication channel password each time upon restart (#68)

Signed-off-by: Rabbani Islam Refat <[email protected]>

Author: refat75

scripts/run.sh

@@ -223,6 +223,10 @@ function create_replication_user() {
         retry 120 ${mysql} -N -e "RESET REPLICA;"
     else
         log "INFO" "Replication user exists. Skipping creating new one......."
+        # Update replication channel password if it has been changed via RotateAuth
+        retry 120 ${mysql} -N -e "STOP group_replication;"
+        retry 120 ${mysql} -N -e "CHANGE REPLICATION SOURCE TO SOURCE_USER='repl', SOURCE_PASSWORD='$MYSQL_ROOT_PASSWORD' FOR CHANNEL 'group_replication_recovery';"
+        retry 120 ${mysql} -N -e "START group_replication;"
     fi
     touch /scripts/ready.txt
 }