Add compose file for arbiter and update amria compose file for clustering

lxc1/p0-infrastructure/mgdb.yml

@@ -9,31 +9,32 @@ services:
       - MARIADB_USER=${DB_ADMIN_USER}
       - MARIADB_PASSWORD=${DB_ADMIN_PASSWORD}
       - MARIADB_DATABASE=initial_db
-      # Pass these through for the init script
-      - APP_REGISTRY=${APP_REGISTRY}
-      - REPL_USER=${REPL_USER}
-      - REPL_PASSWORD=${REPL_PASSWORD}
-      # Dynamic password variables for your apps
-      - FORGEJO_DB_PASS=${FORGEJO_DB_PASS}
-      - GUACAMOLE_DB_PASS=${GUACAMOLE_DB_PASS}
-      - GRAFANA_DB_PASS=${GRAFANA_DB_PASS}
     volumes:
       - /docker/maria/data:/var/lib/mysql
       - /docker/maria/conf:/etc/mysql/conf.d
       - /docker/maria/init:/docker-entrypoint-initdb.d
     command:
       - mariadbd
-      # NETWORK BINDING
+      - --wsrep-on=ON
+      - --wsrep-provider=/usr/lib/galera/libgalera_smm.so
+      - --wsrep-cluster-name=mgdev1
       - --bind-address=0.0.0.0
-      # ASYNC REPLICATION CONFIG
-      - --log-bin=mysql-bin
-      - --binlog-format=ROW
-      - --server-id=${MGDB_NODE_NUMBER}
-      - --log-slave-updates=ON
-      - --gtid-strict-mode=ON
-      # COLLISION PREVENTION (Odds vs Evens)
-      - --auto-increment-increment=2
-      - --auto-increment-offset=${MGDB_NODE_NUMBER}
-      # PERFORMANCE
-      - --innodb-buffer-pool-size=1G # Adjust based on your RAM
-      - --innodb-flush-log-at-trx-commit=2 # 1=Safest, 2=Faster
+      - --wsrep-cluster-address=gcomm://172.16.201.206,172.16.201.106,172.16.201.250
+      - --wsrep-node-address=${CLUSTER_KEEPALIVED_IP}
+      - --wsrep-node-name=node${MGDB_NODE_NUMBER}
+      - --binlog-format=row
+      - --innodb-autoinc-lock-mode=2
+      - --wsrep-sst-method=mariabackup
+      - --wsrep-sst-auth=sstuser:${SST_PASSWORD}
+      # No manual weights needed anymore. Default weight=1 is perfect.
+      - --wsrep-provider-options=pc.ignore_sb=true;pc.npvo=true
+
+
+      # Pass these through for the init script
+      #- APP_REGISTRY=${APP_REGISTRY}
+      #- REPL_USER=${REPL_USER}
+      #- REPL_PASSWORD=${REPL_PASSWORD}
+      # Dynamic password variables for your apps
+      #- FORGEJO_DB_PASS=${FORGEJO_DB_PASS}
+      #- GUACAMOLE_DB_PASS=${GUACAMOLE_DB_PASS}
+      #- GRAFANA_DB_PASS=${GRAFANA_DB_PASS}

~host-setups/pi5/garbd.yml

@@ -0,0 +1,12 @@
+services:
+  garbd:
+    image: mariadb:11.4
+    container_name: galera-arbitrator
+    restart: always
+    network_mode: host
+    command:
+      - garbd
+      - --group=mgdev1
+      # Must list ALL cluster nodes: PVE1, PVE2, and ITSELF (optional but good practice)
+      - --address=gcomm://172.16.201.206,172.16.201.106,172.16.201.250
+      - --options=pc.wait_prim=no