fix mgdb setup... maybe

lxc1/p0-infrastructure/mgdb.yml

@@ -17,10 +17,14 @@ services:
       - --wsrep-on=ON
       - --wsrep-provider=/usr/lib/galera/libgalera_smm.so
       - --wsrep-cluster-name=${CLUSTER_NAME}
-      - --wsrep-cluster-address=gcomm://${CLUSTER_LOCAL_IP},${CLUSTER_REMOTE_IP}
+      # The ?pc.wait_prim=no flag allows the service to start even if it can't find a primary yet
+      - --wsrep-cluster-address=gcomm://${CLUSTER_LOCAL_IP},${CLUSTER_REMOTE_IP}?pc.wait_prim=no
       - --wsrep-node-address=${CLUSTER_KEEPALIVED_IP}
       - --wsrep-node-name=node${MGDB_NODE_NUMBER}
       - --binlog-format=row
       - --default-storage-engine=innodb
       - --innodb-autoinc-lock-mode=2
       - --bind-address=0.0.0.0
+      # This is the "Zero-Management" fix:
+      # pc.ignore_sb=true allows a node to promote itself if its partner is missing.
+      - --wsrep-provider-options=pc.ignore_sb=true;pc.ignore_connection_expiry=true;pc.npvo=true

lxc1/p2-apps/guacamole.yml

@@ -23,7 +23,7 @@ services:
     environment:
       - GUACD_HOSTNAME=${GUACD_NAME}
       - MYSQL_HOSTNAME=${GUAC_DB_HOST}
-      - MYSQL_PORT=${GUAC_DB_PORT}
+      - MYSQL_PORT=3306
       - MYSQL_DATABASE=${GUAC_DB_NAME}
       - MYSQL_USER=${GUAC_DB_USER}
       - MYSQL_PASSWORD=${GUAC_DB_PASS}