Added setup for mariadb with replication

docker/mariaDB/mysql-healthcheck.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+mysql -h"$HOSTNAME" -u"$MYSQL_USER" -p"$MYSQL_PASSWORD" --silent -e"use $MYSQL_DATABASE"

docker/mysql/standalone/conf/mysql.cnf → docker/mariaDB/primary/conf/mysql.cnf

@@ -10,7 +10,7 @@ character-set-server=utf8mb4
 collation-server=utf8mb4_unicode_ci
 
 # Unique identifying number of the server.
-server_id = 1
+server-id = 1
 
 # Set binary log file base name.
 log_bin=mysql-bin.log

docker/mariaDB/read/conf/mysql.cnf

@@ -0,0 +1,22 @@
+[mysqld]
+
+# Default authentication plugin
+default-authentication-plugin=caching_sha2_password 
+
+# Default character charset
+character-set-server=utf8mb4
+
+# Default collation server
+collation-server=utf8mb4_unicode_ci
+
+# Max connections
+max_connections=500
+
+# Unique identifying number of the server.
+server-id = 2
+
+# Set binary log file base name. This should be identical to the binary log file base name in source.
+log_bin=mysql-bin.log
+
+# Set the relay log file base name used by replica. This is needed to avoid error incase hostname is changed in future.
+relay_log=mysql-relay-bin.log

jenkins/mariadb-with-replication/Makefile

@@ -0,0 +1,21 @@
+.PHONY: clean up down
+all: up
+
+compose := docker-compose -f docker-compose.yml
+
+up:
+	$(compose) up --detach
+
+down:
+	$(compose) down --volumes --remove-orphans
+
+logs:
+	$(compose) logs
+
+clean: down
+
+cli-primary:
+	$(compose) exec mysql-primary mysql -u root -ppassword lisk
+
+cli-replica:
+	$(compose) exec mysql-read-replica mysql -u root -ppassword lisk

jenkins/mariadb-with-replication/docker-compose.yml

@@ -0,0 +1,64 @@
+version: '3.3'
+services:
+  mysql-primary:
+    image: mariadb:10.7
+    container_name: mysql-primary
+    command: mysqld
+    volumes:
+      - ../../docker/mariadb/primary/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
+      - mysql-primary-data:/var/lib/mysql
+      - ../../docker/mariadb/primary/init:/docker-entrypoint-initdb.d
+    restart: always
+    networks:
+      - services_network
+    environment:
+      - MYSQL_ROOT_PASSWORD=password
+      - MYSQL_USER=lisk
+      - MYSQL_PASSWORD=password
+    ports:
+      - '127.0.0.1:3306:3306'
+    healthcheck:
+      test: ['CMD', 'mysqladmin', 'ping', '-hlocalhost', '-ppassword']
+
+  mysql-read-replica:
+    image: mariadb:10.7
+    depends_on:
+      mysql-primary:
+        condition: service_healthy
+    command: mysqld
+    volumes:
+      - ../../docker/mariadb/read/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
+      - ../../docker/mariadb/read/init:/docker-entrypoint-initdb.d
+    restart: always
+    expose:
+      - '3306'
+    networks:
+      - services_network
+    deploy:
+      mode: replicated
+      replicas: 1
+      endpoint_mode: vip
+    environment:
+      - MYSQL_ROOT_PASSWORD=password
+    healthcheck:
+      test: ['CMD', 'mysqladmin', 'ping', '-hlocalhost', '-ppassword']
+
+  mysql-read-replica-haproxy:
+    image: nginx:latest
+    depends_on:
+      mysql-read-replica:
+        condition: service_healthy
+    volumes:
+      - ../../docker/nginx.conf:/etc/nginx/nginx.conf:ro
+    ports:
+      - '127.0.0.1:3307:3307'
+    networks:
+      - services_network
+    healthcheck:
+      test: ['CMD', 'service', 'nginx', 'status']
+
+networks:
+  services_network:
+
+volumes:
+  mysql-primary-data:

jenkins/mariadb-with-replication/mysql-healthcheck.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+mysql -h"$HOSTNAME" -u"$MARIADB_USER" -p"$MARIADB_PASSWORD" --silent -e"use $MARIADB_DATABASE"

jenkins/mariadb/docker-compose.yml

@@ -7,7 +7,7 @@ services:
     image: mariadb:10.7
     command: mysqld --max_connections=500
     volumes:
-      - ../../docker/mysql/standalone/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
+      - ../../docker/mariadb/primary/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
       - db-data:/var/lib/mysql
       - ./mysql-healthcheck.sh:/healthcheck.sh
     restart: always

jenkins/mysql-with-replication/docker-compose.yml

@@ -4,7 +4,7 @@ services:
     image: mysql:8
     container_name: mysql-primary
     platform: linux/amd64
-    command: mysqld --max_connections=500
+    command: mysqld
     volumes:
       - ../../docker/mysql/primary/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
       - mysql-primary-data:/var/lib/mysql
@@ -27,7 +27,7 @@ services:
       mysql-primary:
         condition: service_healthy
     platform: linux/amd64
-    command: mysqld --max_connections=500
+    command: mysqld
     volumes:
       - ../../docker/mysql/read/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
       - ../../docker/mysql/read/init:/docker-entrypoint-initdb.d

jenkins/mysql/docker-compose.yml

@@ -8,7 +8,7 @@ services:
     platform: linux/amd64
     command: mysqld --max_connections=500
     volumes:
-      - ../../docker/mysql/standalone/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
+      - ../../docker/mysql/primary/conf/mysql.cnf:/etc/mysql/conf.d/mysql.cnf
       - db-data:/var/lib/mysql
       - ./mysql-healthcheck.sh:/healthcheck.sh
     restart: always