文章目錄容器部署 redisdocker 容器方式安裝容器部署基礎(chǔ)容器部署 redisdocker 容器方式安裝# 啟動(dòng)Redis容器映射6379端口數(shù)據(jù)掛載到/data/redis目錄docker run 啟動(dòng)容器--name redis指定容器名為redis-p 6379:6379把宿主6379端口映射到容器6379-d 后臺(tái)運(yùn)行-v /data/redis:/data把宿主目錄掛載到容器/data末尾redis為鏡像名[rootlocalhost ~]# docker run --name redis -p 6379:6379 -d -v /data/redis:/data redis# 進(jìn)入容器查看Redis服務(wù)信息docker exec redis redis-cli info serverdocker exec進(jìn)入運(yùn)行中的容器redis執(zhí)行命令redis-cli連接容器內(nèi)Redisinfo server查看服務(wù)信息[rootlocalhost ~]# docker exec redis redis-cli info server# Serverredis_version:8.6.0# 容器內(nèi)Redis版本號(hào)為8.6.0redis_git_sha1:00000000 redis_git_dirty:1 redis_build_id:a7d515010e105f80 redis_mode:standalone# 運(yùn)行模式為單機(jī)(standalone)os:Linux4.18.0-553.6.1.el8.x86_64 x86_64 arch_bits:64 monotonic_clock:POSIX clock_gettime multiplexing_api:epoll atomicvar_api:c11-builtin gcc_version:14.2.0 process_id:1# Redis進(jìn)程號(hào)為1容器內(nèi)的1號(hào)進(jìn)程process_supervised:no run_id:a2ee2aa49069ff42d23ca8d46f82d3ac61f1d385 tcp_port:6379# Redis監(jiān)聽(tīng)端口為6379server_time_usec:1770950461439156 uptime_in_seconds:109# 容器內(nèi)Redis已運(yùn)行109秒uptime_in_days:0 hz:10 configured_hz:10 lru_clock:9342781 executable:/data/redis-server config_file: io_threads_active:0 listener0:nametcp,bind*,bind-::*,port6379默認(rèn) Redis 容器可以支持遠(yuǎn)程連接。# 在容器中設(shè)置鍵值docker exec redis redis-cli set name ma進(jìn)入容器redis執(zhí)行redis-cliset寫入鍵name值為ma[rootlocalhost ~]# docker exec redis redis-cli set name maOK# 寫入成功# 再寫入鍵age值為18[rootlocalhost ~]# docker exec redis redis-cli set age 18OK# 寫入成功# 獲取鍵值docker exec redis redis-cli get name在容器內(nèi)讀取鍵name的值[rootlocalhost ~]# docker exec redis redis-cli get namema# 鍵name的值# 讀取鍵age的值[rootlocalhost ~]# docker exec redis redis-cli get age18# 鍵age的值# 手動(dòng)保存數(shù)據(jù)到磁盤docker exec redis redis-cli save在容器內(nèi)執(zhí)行save將數(shù)據(jù)同步持久化為RDB快照[rootlocalhost ~]# docker exec redis redis-cli saveOK# 保存成功# 查看掛載目錄下的持久化文件ls /data/redis/ -1查看宿主掛載目錄-1表示每行列出一個(gè)文件[rootlocalhost ~]# ls /data/redis/ -1dump.rdb# RDB持久化快照文件容器部署基礎(chǔ)# 編輯docker-compose編排文件定義6節(jié)點(diǎn)Redis集群3主3從自定義bridge網(wǎng)段[rootdocker ~]# vim docker-compose.ymlversion:2.27# compose文件版本networks:redis-cluster-net:# 自定義集群網(wǎng)絡(luò)名稱driver:bridge# 網(wǎng)絡(luò)驅(qū)動(dòng)類型bridge橋接ipam:config:-subnet:192.168.109.0/24# 自定義網(wǎng)段services:# Master1 192.168.109.21redis-21:image:redis:latest# 使用redis最新鏡像container_name:redis-21# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6379:6379# redis業(yè)務(wù)端口映射-16379:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.21# 指定容器固定IPvolumes:-./node21/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.21 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# Master2 192.168.109.22redis-22:image:redis:latest# 使用redis最新鏡像container_name:redis-22# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6380:6379# redis業(yè)務(wù)端口映射-16380:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.22# 指定容器固定IPvolumes:-./node22/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.22 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# Master3 192.168.109.23redis-23:image:redis:latest# 使用redis最新鏡像container_name:redis-23# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6381:6379# redis業(yè)務(wù)端口映射-16381:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.23# 指定容器固定IPvolumes:-./node23/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.23 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# Slave1 192.168.109.25 主192.168.109.21redis-25:image:redis:latest# 使用redis最新鏡像container_name:redis-25# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6382:6379# redis業(yè)務(wù)端口映射-16382:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.25# 指定容器固定IPvolumes:-./node25/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.25 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# Slave2 192.168.109.26 主192.168.109.22redis-26:image:redis:latest# 使用redis最新鏡像container_name:redis-26# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6383:6379# redis業(yè)務(wù)端口映射-16383:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.26# 指定容器固定IPvolumes:-./node26/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.26 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# Slave3 192.168.109.24 主192.168.109.23redis-24:image:redis:latest# 使用redis最新鏡像container_name:redis-24# 容器名稱restart:always# 容器退出總是自動(dòng)重啟ports:-6384:6379# redis業(yè)務(wù)端口映射-16384:16379# redis集群總線端口映射networks:redis-cluster-net:ipv4_address:192.168.109.24# 指定容器固定IPvolumes:-./node24/data:/data# 數(shù)據(jù)持久化掛載目錄command:redis-server # 啟動(dòng)redis服務(wù) --bind 0.0.0.0 # 允許所有地址訪問(wèn) --port 6379 # redis服務(wù)端口 --cluster-enabled yes # 開啟集群模式 --cluster-config-file nodes.conf # 集群節(jié)點(diǎn)配置文件 --cluster-node-timeout 5000 # 節(jié)點(diǎn)超時(shí)時(shí)間5000ms --cluster-announce-ip 192.168.109.24 # 集群對(duì)外宣告IP --cluster-announce-port 6379 # 集群對(duì)外宣告業(yè)務(wù)端口 --cluster-announce-bus-port 16379 # 集群對(duì)外宣告總線端口 --appendonly yes # 開啟AOF持久化 --protected-mode no # 關(guān)閉保護(hù)模式# 后臺(tái)啟動(dòng)docker compose容器創(chuàng)建并啟動(dòng)6個(gè)redis節(jié)點(diǎn)[rootdocker ~]# docker compose up -d# 進(jìn)入redis容器執(zhí)行集群創(chuàng)建--cluster-replicas 1 代表每個(gè)主節(jié)點(diǎn)1個(gè)從節(jié)點(diǎn)[rootdocker ~]# docker exec -it redis-21 redis-cli --cluster create \192.168.109.21:6379\192.168.109.22:6379\192.168.109.23:6379\192.168.109.24:6379\192.168.109.25:6379\192.168.109.26:6379\--cluster-replicas1Performinghashslots allocation on6nodes...# 對(duì)6個(gè)節(jié)點(diǎn)分配哈希槽Master[0]-Slots0-5460# master0分配槽位0~5460Master[1]-Slots5461-10922# master1分配槽位5461~10922Master[2]-Slots10923-16383# master2分配槽位10923~16383Adding replica192.168.109.25:6379 to192.168.109.21:6379# 給21主分配從25Adding replica192.168.109.26:6379 to192.168.109.22:6379# 給22主分配從26Adding replica192.168.109.24:6379 to192.168.109.23:6379# 給23主分配從24M: a3ce222784b489291224a2e9bd7f7119ceab88a2192.168.109.21:6379 slots:[0-5460](5461slots)master# 21為主節(jié)點(diǎn)持有0-5460槽M: 9e21f0ff2cf173f64018e40f981d1226cc941ece192.168.109.22:6379 slots:[5461-10922](5462slots)master# 22為主節(jié)點(diǎn)持有5461-10922槽M: 7fbeeae0072a00c5125db1de7b264d63464740a9192.168.109.23:6379 slots:[10923-16383](5461slots)master# 23為主節(jié)點(diǎn)持有10923-16383槽S: 3a4df342f4b660cbc7cc1dcd23ccce82a0000004192.168.109.24:6379 replicates 7fbeeae0072a00c5125db1de7b264d63464740a9# 24是23的從節(jié)點(diǎn)S: bac22197690ef5d24dedf7c348bbdf1c04410523192.168.109.25:6379 replicates a3ce222784b489291224a2e9bd7f7119ceab88a2# 25是21的從節(jié)點(diǎn)S: 7e7b6eb95bdc497ab018099ab9680a8f811da39a192.168.109.26:6379 replicates 9e21f0ff2cf173f64018e40f981d1226cc941ece# 26是22的從節(jié)點(diǎn)Can Isetthe above configuration?(typeyesto accept):yes# 輸入yes確認(rèn)集群配置Nodes configuration updated# 更新節(jié)點(diǎn)配置Assign a different config epoch to eachnode# 為每個(gè)節(jié)點(diǎn)分配配置紀(jì)元Sending CLUSTER MEET messages tojointhe cluster# 發(fā)送meet消息節(jié)點(diǎn)互相握手Waitingforthe cluster tojoin.Performing Cluster Check(usingnode192.168.109.21:6379)# 使用21節(jié)點(diǎn)校驗(yàn)集群M: a3ce222784b489291224a2e9bd7f7119ceab88a2192.168.109.21:6379 slots:[0-5460](5461slots)master1additional replica(s)M: 9e21f0ff2cf173f64018e40f981d1226cc941ece192.168.109.22:6379 slots:[5461-10922](5462slots)master1additional replica(s)M: 7fbeeae0072a00c5125db1de7b264d63464740a9192.168.109.23:6379 slots:[10923-16383](5461slots)master1additional replica(s)S: 7e7b6eb95bdc497ab018099ab9680a8f811da39a192.168.109.26:6379 slots:(0slots)slave replicates 9e21f0ff2cf173f64018e40f981d1226cc941ece S: 3a4df342f4b660cbc7cc1dcd23ccce82a0000004192.168.109.24:6379 slots:(0slots)slave replicates 7fbeeae0072a00c5125db1de7b264d63464740a9 S: bac22197690ef5d24dedf7c348bbdf1c04410523192.168.109.25:6379 slots:(0slots)slave replicates a3ce222784b489291224a2e9bd7f7119ceab88a2[OK]All nodes agree about slots configuration.# 所有節(jié)點(diǎn)槽位配置一致Checkforopenslots...# 檢查未分配的槽位Check slots coverage...# 校驗(yàn)槽位完整覆蓋[OK]All16384slots covered.# 全部16384個(gè)哈希槽分配完成集群就緒驗(yàn)證# 進(jìn)入redis-21容器的redis-cli客戶端連接集群節(jié)點(diǎn)[rootdocker ~]# docker exec -it redis-21 redis-cli127.0.0.1:6379cluster info cluster_state:ok# 集群狀態(tài)正常okcluster_slots_assigned:16384# 已分配哈希槽總數(shù)cluster_slots_ok:16384# 正常可用槽位全部16384cluster_slots_pfail:0# 疑似故障槽數(shù)量cluster_slots_fail:0# 確認(rèn)故障槽數(shù)量cluster_known_nodes:6# 集群識(shí)別總節(jié)點(diǎn)數(shù)6個(gè)cluster_size:3# 集群主節(jié)點(diǎn)數(shù)量3cluster_current_epoch:6# 集群當(dāng)前配置紀(jì)元cluster_my_epoch:1# 當(dāng)前節(jié)點(diǎn)配置紀(jì)元cluster_stats_messages_ping_sent:182# 發(fā)送ping消息數(shù)量cluster_stats_messages_pong_sent:189# 發(fā)送pong消息數(shù)量cluster_stats_messages_sent:371# 發(fā)送集群消息總數(shù)cluster_stats_messages_ping_received:184# 收到ping消息數(shù)量cluster_stats_messages_pong_received:185# 收到pong消息數(shù)量cluster_stats_messages_meet_received:5# 收到meet握手消息數(shù)量cluster_stats_messages_received:374# 接收集群消息總數(shù)total_cluster_links_buffer_limit_exceeded:0 cluster_slot_migration_active_tasks:0 cluster_slot_migration_active_trim_running:0 cluster_slot_migration_active_trim_current_job_keys:0 cluster_slot_migration_active_trim_current_job_trimmed:0 cluster_slot_migration_stats_active_trim_started:0 cluster_slot_migration_stats_active_trim_completed:0 cluster_slot_migration_stats_active_trim_cancelled:0127.0.0.1:6379cluster nodes 9e21f0ff2cf173f64018e40f981d1226cc941ece192.168.109.22:637916379 master -017915371589612connected5461-10922# redis22主節(jié)點(diǎn)槽5461-109227fbeeae0072a00c5125db1de7b264d63464740a9192.168.109.23:637916379 master -017915371580003connected10923-16383# redis23主節(jié)點(diǎn)槽10923-163837e7b6eb95bdc497ab018099ab9680a8f811da39a192.168.109.26:637916379 slave 9e21f0ff2cf173f64018e40f981d1226cc941ece017915371590002connected# redis2622的從節(jié)點(diǎn)a3ce222784b489291224a2e9bd7f7119ceab88a2192.168.109.21:637916379 myself,master -001connected0-5460# 當(dāng)前節(jié)點(diǎn)redis21主節(jié)點(diǎn)槽0-54603a4df342f4b660cbc7cc1dcd23ccce82a0000004192.168.109.24:637916379 slave 7fbeeae0072a00c5125db1de7b264d63464740a9017915371595663connected# redis2423的從節(jié)點(diǎn)bac22197690ef5d24dedf7c348bbdf1c04410523192.168.109.25:637916379 slave a3ce222784b489291224a2e9bd7f7119ceab88a2017915371599701connected# redis2521的從節(jié)點(diǎn)127.0.0.1:6379#關(guān)閉redis-22測(cè)試模擬主節(jié)點(diǎn)故障驗(yàn)證集群自動(dòng)故障轉(zhuǎn)移[rootdocker ~]# docker psCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 259842ca88ac redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6382-6379/tcp, :::6382-6379/tcp,0.0.0.0:16382-16379/tcp, :::16382-16379/tcp redis-25 b9d2dd1c92fc redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6384-6379/tcp, :::6384-6379/tcp,0.0.0.0:16384-16379/tcp, :::16384-16379/tcp redis-24 d7dab0f3763e redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6381-6379/tcp, :::6381-6379/tcp,0.0.0.0:16381-16379/tcp, :::16381-16379/tcp redis-23 ecd46faaa291 redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6380-6379/tcp, :::6380-6379/tcp,0.0.0.0:16380-16379/tcp, :::16380-16379/tcp redis-22 c79770bcdfd5 redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6383-6379/tcp, :::6383-6379/tcp,0.0.0.0:16383-16379/tcp, :::16383-16379/tcp redis-26 c41129c6226f redis:latestdocker-entrypoint.s…17minutes ago Up17minutes0.0.0.0:6379-6379/tcp, :::6379-6379/tcp,0.0.0.0:16379-16379/tcp, :::16379-16379/tcp redis-21# 停止redis-22容器模擬主節(jié)點(diǎn)宕機(jī)故障[rootdocker ~]# docker stop redis-22redis-22# 查看全部容器包括停止?fàn)顟B(tài)確認(rèn)redis22已經(jīng)退出[rootdocker ~]# docker ps -aCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 259842ca88ac redis:latestdocker-entrypoint.s…18minutes ago Up18minutes0.0.0.0:6382-6379/tcp, :::6382-6379/tcp,0.0.0.0:16382-16379/tcp, :::16382-16379/tcp redis-25 b9d2dd1c92fc redis:latestdocker-entrypoint.s…18minutes ago Up18minutes0.0.0.0:6384-6379/tcp, :::6384-6379/tcp,0.0.0.0:16384-16379/tcp, :::16384-16379/tcp redis-24 d7dab0f3763e redis:latestdocker-entrypoint.s…18minutes ago Up18minutes0.0.0.0:6381-6379/tcp, :::6381-6379/tcp,0.0.0.0:16381-16379/tcp, :::16381-16379/tcp redis-23 ecd46faaa291 redis:latestdocker-entrypoint.s…18minutes ago Exited(0)11seconds ago redis-22 c79770bcdfd5 redis:latestdocker-entrypoint.s…18minutes ago Up18minutes0.0.0.0:6383-6379/tcp, :::6383-6379/tcp,0.0.0.0:16383-16379/tcp, :::16383-16379/tcp redis-26 c41129c6226f redis:latestdocker-entrypoint.s…18minutes ago Up18minutes0.0.0.0:6379-6379/tcp, :::6379-6379/tcp,0.0.0.0:16379-16379/tcp, :::16379-16379/tcp redis-21# 再次查看集群節(jié)點(diǎn)信息觀察故障轉(zhuǎn)移結(jié)果redis26升級(jí)為主節(jié)點(diǎn)127.0.0.1:6379cluster nodes 9e21f0ff2cf173f64018e40f981d1226cc941ece192.168.109.22:637916379 master,fail -179153763818617915376370002connected# redis22標(biāo)記fail故障7fbeeae0072a00c5125db1de7b264d63464740a9192.168.109.23:637916379 master -017915377450003connected10923-16383# redis23主節(jié)點(diǎn)正常7e7b6eb95bdc497ab018099ab9680a8f811da39a192.168.109.26:637916379 master -017915377453927connected5461-10922# 原從節(jié)點(diǎn)redis26自動(dòng)升級(jí)為主接管5461-10922槽a3ce222784b489291224a2e9bd7f7119ceab88a2192.168.109.21:637916379 myself,master -001connected0-5460# 當(dāng)前節(jié)點(diǎn)redis21主節(jié)點(diǎn)正常3a4df342f4b660cbc7cc1dcd23ccce82a0000004192.168.109.24:637916379 slave 7fbeeae0072a00c5125db1de7b264d63464740a9017915377464033connected# redis24為23從節(jié)點(diǎn)bac22197690ef5d24dedf7c348bbdf1c04410523192.168.109.25:637916379 slave a3ce222784b489291224a2e9bd7f7119ceab88a2017915377458971connected# redis25為21從節(jié)點(diǎn)