Redis master-replicas sentinel 구성 시 docker-compose.yml 파일

docker-compose.yml 파일

bitnami/redis 이용

services:
  my-redis-a:
    hostname: redis-master
    container_name: redis-master
    image: "bitnami/redis"
    environment:
      - REDIS_REPLICATION_MODE=master
      - ALLOW_EMPTY_PASSWORD=yes
    ports:
      - 5000:6379

  my-redis-b:
    hostname: redis-replicas-1
    container_name: redis-replicas-1
    image: "bitnami/redis"
    environment:
      - REDIS_REPLICATION_MODE=slave
      - REDIS_MASTER_HOST=redis-master
      - ALLOW_EMPTY_PASSWORD=yes
    ports:
      - 5001:6379
    depends_on:
      - my-redis-a

  my-redis-c:
    hostname: redis-replicas-2
    container_name: redis-replicas-2
    image: "bitnami/redis"
    environment:
      - REDIS_REPLICATION_MODE=slave
      - REDIS_MASTER_HOST=redis-master
      - ALLOW_EMPTY_PASSWORD=yes
    ports:
      - 5002:6379
    depends_on:
      - my-redis-a

  redis-sentinel-1:
    container_name: sentinel1
    image: 'bitnami/redis-sentinel:latest'
    environment:
      - REDIS_SENTINEL_DOWN_AFTER_MILLISECONDS=3000
      - REDIS_MASTER_HOST=redis-master
      - REDIS_MASTER_PORT_NUMBER=6379
      - REDIS_MASTER_SET=mymaster
      - REDIS_SENTINEL_QUORUM=2
    ports:
      - 26379:26379
    depends_on:
      - my-redis-a
      - my-redis-b
      - my-redis-c

  redis-sentinel-2:
    container_name: sentinel2
    image: 'bitnami/redis-sentinel:latest'
    environment:
      - REDIS_SENTINEL_DOWN_AFTER_MILLISECONDS=3000
      - REDIS_MASTER_HOST=redis-master
      - REDIS_MASTER_PORT_NUMBER=6379
      - REDIS_MASTER_SET=mymaster
      - REDIS_SENTINEL_QUORUM=2
    ports:
      - 26380:26379
    depends_on:
      - my-redis-a
      - my-redis-b
      - my-redis-c

  redis-sentinel-3:
    container_name: sentinel3
    image: 'bitnami/redis-sentinel:latest'
    environment:
      - REDIS_SENTINEL_DOWN_AFTER_MILLISECONDS=3000
      - REDIS_MASTER_HOST=redis-master
      - REDIS_MASTER_PORT_NUMBER=6379
      - REDIS_MASTER_SET=mymaster
      - REDIS_SENTINEL_QUORUM=2
    ports:
      - 26381:26379
    depends_on:
      - my-redis-a
      - my-redis-b
      - my-redis-c

redis-cli 로 어떤 pod가 master 역할을 하는지 확인하는 명령어

redis-cli info | grep role