docker compose 搭建分片集群

version: '3'
services:
  mongo_shard1:
    image: mongo:latest
    container_name: mongo_shard1
    # --shardsvr: 这个参数仅仅只是将默认的27017端口改为27018,如果指定--port参数，可用不需要这个参数
    # --directoryperdb：每个数据库使用单独的文件夹
    command: mongod --shardsvr --directoryperdb --replSet mongo_shard1 --keyFile /data/mongo-keyfile
    ports:
      - 27021:27018
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/shard1:/data/db
      - ./mongo-keyfile:/data/mongo-keyfile
    privileged: true

  mongo_shard2:
    image: mongo:latest
    container_name: mongo_shard2
    command: mongod --shardsvr --directoryperdb --replSet mongo_shard2 --keyFile /data/mongo-keyfile
    ports:
      - 27022:27018
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/shard2:/data/db
      - ./mongo-keyfile:/data/mongo-keyfile
    privileged: true

  mongo_shard3:
    image: mongo:latest
    container_name: mongo_shard3
    command: mongod --shardsvr --directoryperdb --replSet mongo_shard3 --keyFile /data/mongo-keyfile
    ports:
      - 27023:27018
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/shard3:/data/db
      - ./mongo-keyfile:/data/mongo-keyfile
    privileged: true

  mongo_config1:
    image: mongo:latest
    container_name: mongo_config1
    # --configsvr: 这个参数仅仅是将默认端口由27017改为27019, 如果指定--port可不添加该参数
    command: mongod --configsvr --directoryperdb --replSet fates-mongo-config  --keyFile /data/mongo-keyfile
    ports:
      - 27031:27019
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/config1:/data/configdb
      - ./mongo-keyfile:/data/mongo-keyfile

  mongo_config2:
    image: mongo:latest
    container_name: mongo_config2
    command: mongod --configsvr --directoryperdb --replSet fates-mongo-config  --keyFile /data/mongo-keyfile
    ports:
      - 27032:27019
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/config2:/data/configdb
      - ./mongo-keyfile:/data/mongo-keyfile

  mongo_config3:
    image: mongo:latest
    container_name: mongo_config3
    command: mongod --configsvr --directoryperdb --replSet fates-mongo-config  --keyFile /data/mongo-keyfile
    ports:
      - 27033:27019
    volumes:
      - /etc/localtime:/etc/localtime
      - ./data/config3:/data/configdb
      - ./mongo-keyfile:/data/mongo-keyfile

  mongo-mongos:
    image: mongo:latest
    container_name: mongo_mongos
    command: /bin/sh -c 'mongos --configdb fates-mongo-config/mongo_config1:27019,mongo_config2:27019,mongo_config3:27019 --bind_ip 0.0.0.0 --port 27017 --keyFile /data/mongo-keyfile'
    ports:
      - 27017:27017
    volumes:
      - /etc/localtime:/etc/localtime
      - ./mongo-keyfile:/data/mongo-keyfile
    depends_on:
      - mongo_config1
      - mongo_config2
      - mongo_config3

networks:
  dev_network:
    external: true
    name: dev_network

#!/bin/sh
rm -rf ./data/*
mkdir -p ./data/shard1
mkdir -p ./data/shard2
mkdir -p ./data/shard3
mkdir -p ./data/config1
mkdir -p ./data/config2
mkdir -p ./data/config3

#创建网络
docker network create --driver bridge dev_network

#创建key：文件放入yml文件目录
openssl rand -base64 745 > mongo-keyfile
chmod 400 ./mongo-keyfile
chown 999:999 ./mongo-keyfile

docker-compose exec mongo_config1 bash -c "echo 'rs.initiate({_id: \"fates-mongo-config\",configsvr: true, members: [{ _id : 0, host : \"mongo_config1:27019\" },{ _id : 1, host : \"mongo_config2:27019\" }, { _id : 2, host : \"mongo_config3:27019\" }]})' | mongosh --port 27019"

docker-compose exec mongo_shard1 bash -c "echo 'rs.initiate({_id: \"mongo_shard1\",members: [{ _id : 0, host : \"mongo_shard1:27018\" }]})' | mongosh --port 27018"
docker-compose exec mongo_shard2 bash -c "echo 'rs.initiate({_id: \"mongo_shard2\",members: [{ _id : 0, host : \"mongo_shard2:27018\" }]})' | mongosh --port 27018"
docker-compose exec mongo_shard3 bash -c "echo 'rs.initiate({_id: \"mongo_shard3\",members: [{ _id : 0, host : \"mongo_shard3:27018\" }]})' | mongosh --port 27018"


docker-compose -f docker-compose.yml exec mongo-mongos bash -c "echo 'sh.addShard(\"mongo_shard1/mongo_shard1:27018\")' | mongosh"
docker-compose -f docker-compose.yml exec mongo-mongos bash -c "echo 'sh.addShard(\"mongo_shard2/mongo_shard2:27018\")' | mongosh"
docker-compose -f docker-compose.yml exec mongo-mongos bash -c "echo 'sh.addShard(\"mongo_shard3/mongo_shard3:27018\")' | mongosh"
  
use admin
db.createUser({user:"admin",pwd:"admin",roles:[{role:"root",db:"admin"}]})

use test
db.createUser({user:"admin",pwd:"admin",roles:[{role:"root",db:"admin"}]}) 
db.auth("admin","admin") 
sh.enableSharding("test")
sh.shardCollection("test.mytable", {"_id": "hashed" })
db.mytable.insert({'price': 1})
db.mytable.find().count()