docker部署mongo集群

无聊，自建轮子

创建mongo镜像,dockerfile如下

from centos:7
RUN yum install net-tools vim -y
RUN mkdir -p /mongodb/bin  && mkdir -p /mongodb/conf   && mkdir -p /mongodb/log    && touch    /mongodb/log/mongodb.log && mkdir -p /mongodb/data   && chmod 755 /mongodb -R
ENV MONGOD_HOME /mongodb
ENV PATH $MONGOD_HOME/bin:$PATH
COPY  ./mongodb/bin/   /mongodb/bin/
COPY mongod.conf /mongodb/conf/mongod.conf
COPY run.sh  /mongodb/bin/run.sh
RUN chmod a+x /mongodb/bin/run.sh
CMD ["/mongodb/bin/run.sh"]

run.sh如下

#!/bin/bash
echo "######启动程序##########"
mongod -f /mongodb/conf/mongod.conf
echo "######查看端口##########"
netstat -ntulp
echo "######查看进程##########"
ps -ef |grep -v grep  |grep mongod
while true
do
        sleep 1h
done

mongod.conf如下

systemLog:
  destination: file
  path: /mongodb/log/mongodb.log
  logAppend: true
storage:
  journal:
    enabled: true
  dbPath: /mongodb/data
  directoryPerDB: true
  #engine: wiredTiger
  wiredTiger:
    engineConfig:
      # cacheSizeGB: 1
      directoryForIndexes: true
    collectionConfig:
      blockCompressor: zlib
    indexConfig:
      prefixCompression: true
processManagement:
  fork: true
net:
  bindIpAll: true
  port: 27017
replication:
  oplogSizeMB: 2048
  replSetName: my_repl

docker-compose.yml如下，ip说明：我单机创建的虚拟网

version: ‘3.4‘
x-logging:
  &default-logging
  options:
    max-size: ‘12m‘
    max-file: ‘5‘
  driver: json-file
services:
  mongo1:
    image: mongo:v15
    logging: *default-logging
    restart: always
    hostname: mongo1
    networks:
       doufy:
         ipv4_address: 172.19.0.71
    volumes:
      -  /etc/localtime:/etc/localtime:ro
      - /data/mongo/1/data:/mongodb/data
      - /data/mongo/1/log:/mongodb/log
  mongo2:
    image: mongo:v15
    logging: *default-logging
    restart: always
    hostname: mongo2
    networks:
       doufy:
         ipv4_address: 172.19.0.72
    volumes:
      -  /etc/localtime:/etc/localtime:ro
      - /data/mongo/2/data:/mongodb/data
      - /data/mongo/2/log:/mongodb/log

  mongo3:
    image: mongo:v15
    logging: *default-logging
    restart: always
    hostname: mongo3
    networks:
       doufy:
         ipv4_address: 172.19.0.73
    volumes:
      -  /etc/localtime:/etc/localtime:ro
      - /data/mongo/3/data:/mongodb/data
      - /data/mongo/3/log:/mongodb/log
networks:
    doufy:
      external: true

mongodb为官网下载，版本为4.2

链接 https://www.mongodb.com/download-center/enterprise

具体配置参考配置文件。

创建复制集群

登陆数据库，配置mongodb复制

shell> mongo --port 27017

config = {_id: ‘my_repl‘, members: [
                          {_id: 0, host: ‘172.19.0.71:27017‘},
                          {_id: 1, host: ‘172.19.0.72:27017‘},
                          {_id: 2, host: ‘172.19.0.73:27017‘}]
          }

初始化这个配置

> rs.initiate(config)

查看状态,数据库已变为 PRIMARY或者SECONDARY（下面标红部分）,rs.status可查看具体配置信息

[[email protected] /]# mongo
MongoDB shell version v4.2.2
connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("93bc73e6-19fa-4661-9d6f-9ab55cecd631") }
MongoDB server version: 4.2.2
Server has startup warnings:
2019-12-16T16:53:20.003+0800 I  STORAGE  [initandlisten]
2019-12-16T16:53:20.003+0800 I  STORAGE  [initandlisten] ** WARNING: Using the XFS filesystem is strongly recommended with the WiredTiger storage engine
2019-12-16T16:53:20.003+0800 I  STORAGE  [initandlisten] **          See http://dochub.mongodb.org/core/prodnotes-filesystem
2019-12-16T16:53:23.351+0800 I  CONTROL  [initandlisten]
2019-12-16T16:53:23.356+0800 I  CONTROL  [initandlisten] ** WARNING: Access control is not enabled for the database.
2019-12-16T16:53:23.356+0800 I  CONTROL  [initandlisten] **          Read and write access to data and configuration is unrestricted.
2019-12-16T16:53:23.356+0800 I  CONTROL  [initandlisten] ** WARNING: You are running this process as the root user,which is not recommended.
2019-12-16T16:53:23.356+0800 I  CONTROL  [initandlisten]
---
Enable MongoDB‘s free cloud-based monitoring service, which will then receive and display
metrics about your deployment (disk utilization, CPU, operation statistics, etc).

The monitoring data will be available on a MongoDB website with a unique URL accessible to you
and anyone you share the URL with. MongoDB may use this information to make product
improvements and to suggest MongoDB products and deployment options to you.

To enable free monitoring, run the following command: db.enableFreeMonitoring()
To permanently disable this reminder, run the following command: db.disableFreeMonitoring()
---

my_repl:PRIMARY> rs.status()
{
        "set" : "my_repl",
        "date" : ISODate("2019-12-16T09:17:56.194Z"),
        "myState" : 1,
        "term" : NumberLong(3),
        "syncingTo" : "",
        "syncSourceHost" : "",
        "syncSourceId" : -1,
        "heartbeatIntervalMillis" : NumberLong(2000),
        "majorityVoteCount" : 2,
        "writeMajorityCount" : 2,
        "optimes" : {
                "lastCommittedOpTime" : {
                        "ts" : Timestamp(1576487867, 1),
                        "t" : NumberLong(3)
                },
                "lastCommittedWallTime" : ISODate("2019-12-16T09:17:47.805Z"),
                "readConcernMajorityOpTime" : {
                        "ts" : Timestamp(1576487867, 1),
                        "t" : NumberLong(3)
                },
                "readConcernMajorityWallTime" : ISODate("2019-12-16T09:17:47.805Z"),
                "appliedOpTime" : {
                        "ts" : Timestamp(1576487867, 1),
                        "t" : NumberLong(3)
                },
                "durableOpTime" : {
                        "ts" : Timestamp(1576487867, 1),
                        "t" : NumberLong(3)
                },
                "lastAppliedWallTime" : ISODate("2019-12-16T09:17:47.805Z"),
                "lastDurableWallTime" : ISODate("2019-12-16T09:17:47.805Z")
        },
        "lastStableRecoveryTimestamp" : Timestamp(1576487837, 1),
        "lastStableCheckpointTimestamp" : Timestamp(1576487837, 1),
        "electionCandidateMetrics" : {
                "lastElectionReason" : "electionTimeout",
                "lastElectionDate" : ISODate("2019-12-16T08:58:41.635Z"),
                "electionTerm" : NumberLong(3),
                "lastCommittedOpTimeAtElection" : {
                        "ts" : Timestamp(1576486664, 1),
                        "t" : NumberLong(2)
                },
                "lastSeenOpTimeAtElection" : {
                        "ts" : Timestamp(1576486664, 1),
                        "t" : NumberLong(2)
                },
                "numVotesNeeded" : 2,
                "priorityAtElection" : 1,
                "electionTimeoutMillis" : NumberLong(10000),
                "numCatchUpOps" : NumberLong(0),
                "newTermStartDate" : ISODate("2019-12-16T08:58:47.761Z"),
                "wMajorityWriteAvailabilityDate" : ISODate("2019-12-16T08:58:48.557Z")
        },
        "electionParticipantMetrics" : {
                "votedForCandidate" : true,
                "electionTerm" : NumberLong(2),
                "lastVoteDate" : ISODate("2019-12-16T08:53:34.481Z"),
                "electionCandidateMemberId" : 0,
                "voteReason" : "",
                "lastAppliedOpTimeAtElection" : {
                        "ts" : Timestamp(1576486389, 1),
                        "t" : NumberLong(1)
                },
                "maxAppliedOpTimeInSet" : {
                        "ts" : Timestamp(1576486389, 1),
                        "t" : NumberLong(1)
                },
                "priorityAtElection" : 1
        },
        "members" : [
                {
                        "_id" : 0,
                        "name" : "172.19.0.71:27017",
                        "ip" : "172.19.0.71",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 1138,
                        "optime" : {
                                "ts" : Timestamp(1576487867, 1),
                                "t" : NumberLong(3)
                        },
                        "optimeDurable" : {
                                "ts" : Timestamp(1576487867, 1),
                                "t" : NumberLong(3)
                        },
                        "optimeDate" : ISODate("2019-12-16T09:17:47Z"),
                        "optimeDurableDate" : ISODate("2019-12-16T09:17:47Z"),
                        "lastHeartbeat" : ISODate("2019-12-16T09:17:55.713Z"),
                        "lastHeartbeatRecv" : ISODate("2019-12-16T09:17:55.705Z"),
                        "pingMs" : NumberLong(0),
                        "lastHeartbeatMessage" : "",
                        "syncingTo" : "172.19.0.73:27017",
                        "syncSourceHost" : "172.19.0.73:27017",
                        "syncSourceId" : 2,
                        "infoMessage" : "",
                        "configVersion" : 1
                },
                {
                        "_id" : 1,
                        "name" : "172.19.0.72:27017",
                        "ip" : "172.19.0.72",
                        "health" : 1,
                        "state" : 1,
                        "stateStr" : "PRIMARY",
                        "uptime" : 1477,
                        "optime" : {
                                "ts" : Timestamp(1576487867, 1),
                                "t" : NumberLong(3)
                        },
                        "optimeDate" : ISODate("2019-12-16T09:17:47Z"),
                        "syncingTo" : "",
                        "syncSourceHost" : "",
                        "syncSourceId" : -1,
                        "infoMessage" : "",
                        "electionTime" : Timestamp(1576486721, 1),
                        "electionDate" : ISODate("2019-12-16T08:58:41Z"),
                        "configVersion" : 1,
                        "self" : true,
                        "lastHeartbeatMessage" : ""
                },
                {
                        "_id" : 2,
                        "name" : "172.19.0.73:27017",
                        "ip" : "172.19.0.73",
                        "health" : 1,
                        "state" : 2,
                        "stateStr" : "SECONDARY",
                        "uptime" : 1158,
                        "optime" : {
                                "ts" : Timestamp(1576487867, 1),
                                "t" : NumberLong(3)
                        },
                        "optimeDurable" : {
                                "ts" : Timestamp(1576487867, 1),
                                "t" : NumberLong(3)
                        },
                        "optimeDate" : ISODate("2019-12-16T09:17:47Z"),
                        "optimeDurableDate" : ISODate("2019-12-16T09:17:47Z"),
                        "lastHeartbeat" : ISODate("2019-12-16T09:17:55.714Z"),
                        "lastHeartbeatRecv" : ISODate("2019-12-16T09:17:54.613Z"),
                        "pingMs" : NumberLong(0),
                        "lastHeartbeatMessage" : "",
                        "syncingTo" : "172.19.0.72:27017",
                        "syncSourceHost" : "172.19.0.72:27017",
                        "syncSourceId" : 1,
                        "infoMessage" : "",
                        "configVersion" : 1
                }
        ],
        "ok" : 1,
        "$clusterTime" : {
                "clusterTime" : Timestamp(1576487867, 1),
                "signature" : {
                        "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
                        "keyId" : NumberLong(0)
                }
        },
        "operationTime" : Timestamp(1576487867, 1)
}
my_repl:PRIMARY>

到此复制集配置完成，分片学习中，后续更新

原文地址：https://www.cnblogs.com/doufy/p/12050182.html

时间： 2024-10-10 02:36:11

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