change from repl to async

lxc1/p0-infrastructure/mgdb.yml

@@ -9,26 +9,31 @@ services:
       - MARIADB_USER=${DB_ADMIN_USER}
       - MARIADB_PASSWORD=${DB_ADMIN_PASSWORD}
       - MARIADB_DATABASE=initial_db
-      - SST_PASSWORD=${SST_PASSWORD}
+      # Pass these through for the init script
+      - APP_REGISTRY=${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=${GRAFANA_DB_PASS}
     volumes:
       - /docker/maria/data:/var/lib/mysql
       - /docker/maria/conf:/etc/mysql/conf.d
       - /docker/maria/init:/docker-entrypoint-initdb.d
     command:
       - mariadbd
-      - --${WS_NEW_CLUSTER}
+      # NETWORK BINDING
-      - --wsrep-on=ON
-      - --wsrep-provider=/usr/lib/galera/libgalera_smm.so
-      - --wsrep-cluster-name=${CLUSTER_NAME}
-      - --wsrep-cluster-address=gcomm://${CLUSTER_LOCAL_IP},${CLUSTER_REMOTE_IP}?pc.wait_prim=no
-      - --wsrep-node-address=${CLUSTER_KEEPALIVED_IP}
-      - --wsrep-node-name=node${MGDB_NODE_NUMBER}
-      - --binlog-format=row
-      - --default-storage-engine=innodb
-      - --innodb-autoinc-lock-mode=2
       - --bind-address=0.0.0.0
-      # Switch to MariaBackup (The production standard)
+      # ASYNC REPLICATION CONFIG
-      - --wsrep-sst-method=mariabackup
+      - --log-bin=mysql-bin
-      - --wsrep-sst-auth=sstuser:${SST_PASSWORD}
+      - --binlog-format=ROW
-      # Weight 2 on Node 1 forces it to be the leader during reboots/resets
+      - --server-id=${MGDB_NODE_NUMBER}
-      - --wsrep-provider-options=pc.ignore_sb=true;pc.npvo=true;pc.weight=${MARIA_PC_WEIGHT};pc.bootstrap=true
+      - --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

lxc1/p0-infrastructure/mgdb/01_deploy_mgdb_dbs.sh

@@ -32,11 +32,10 @@ done
 echo "All slots provisioned. Flushing privileges..."
 mariadb -u root -p"${M_ROOT_PASS}" -e "FLUSH PRIVILEGES;"
 
-# Add this inside your 01_deploy_mgdb_dbs.sh script 
+echo "Creating Replication User..."
-# (either in the loop or as a standalone block at the bottom)
+mariadb -u root -p"${MARIADB_ROOT_PASSWORD}" <<-EOSQL
-
+    -- Create the replicator user allowing access from anywhere (or specify IPs)
-mariadb -u root -p"${M_ROOT_PASS}" <<-EOSQL
+    CREATE USER IF NOT EXISTS '${REPL_USER}'@'%' IDENTIFIED BY '${REPL_PASSWORD}';
-    CREATE USER IF NOT EXISTS 'sstuser'@'localhost' IDENTIFIED BY '${SST_PASSWORD}';
+    GRANT REPLICATION SLAVE ON *.* TO '${REPL_USER}'@'%';
-    GRANT RELOAD, PROCESS, LOCK TABLES, REPLICATION CLIENT ON *.* TO 'sstuser'@'localhost';
     FLUSH PRIVILEGES;
 EOSQL