缺省的情况下GitLab的官方镜像中提供了一个Redis，如果希望把此缓存数据库放在GitLab的容器之外的话需要怎么做呢？这篇文章结合示例进行说明具体的做法。
环境准备
配置文件：GitLab
version: '2' services: # Version Control service: Gitlab gitlab: image: gitlab/gitlab-ce:12.10.5-ce.0 ports: - "35001:80" - "30022:22" - "443:443" volumes: - ./log/:/var/log/gitlab - ./data/:/var/opt/gitlab - ./conf/:/etc/gitlab restart: "no"
配置文件：Redis
[root@liumiaocn redis]# cat docker-compose.yml version: '2' services: # redis master master: image: redis:5.0.9 container_name: redis restart: always command: redis-server --port 6379 ports: - 6379:6379 volumes: - ./data:/data [root@liumiaocn redis]#
启动命令
执行命令：docker-compose up -d
结果确认GitLab
[root@liumiaocn gitlab]# docker-compose ps Name Command State Ports --------------------------------------------------------------------------------------------------------------------- gitlab_gitlab_1 /assets/wrapper Up (healthy) 0.0.0.0:30022->22/tcp, 0.0.0.0:443->443/tcp, 0.0.0.0:35001->80/tcp [root@liumiaocn gitlab]#Redis
[root@liumiaocn redis]# docker-compose ps Name Command State Ports ----------------------------------------------------------------------- redis docker-entrypoint.sh redis ... Up 0.0.0.0:6379->6379/tcp [root@liumiaocn redis]#使用外部Redis服务
步骤1: 设定gitlab.rb
[root@liumiaocn redis]# docker exec -it gitlab_gitlab_1 sh # cd /etc/gitlab # ls gitlab-secrets.json ssh_host_ecdsa_key ssh_host_ed25519_key ssh_host_rsa_key trusted-certs gitlab.rb ssh_host_ecdsa_key.pub ssh_host_ed25519_key.pub ssh_host_rsa_key.pub # cp -p gitlab.rb gitlab.rb.org # vi gitlab.rb # # diff gitlab.rb gitlab.rb.org 585,586c585,586 # gitlab_rails['redis_host'] = "127.0.0.1" > # gitlab_rails['redis_port'] = 6379 1049c1049 # redis['enable'] = true #步骤2: 验证连接
[root@liumiaocn redis]# docker exec -it gitlab_gitlab_1 sh # redis-cli -h 192.168.163.151 -p 6379 192.168.163.151:6379> ping PONG 192.168.163.151:6379> keys * (empty list or set) 192.168.163.151:6379>步骤3: gitlab-ctl reconfigure
执行命令：gitlab-ctl reconfigure
或者
执行命令：docker-compose restart
执行日志示例如下所示：
# gitlab-ctl reconfigure Starting Chef Client, version 14.14.29 resolving cookbooks for run list: ["gitlab"] Synchronizing Cookbooks: - package (0.1.0) - postgresql (0.1.0) - redis (0.1.0) - monitoring (0.1.0) - registry (0.1.0) - mattermost (0.1.0) - consul (0.1.0) - gitaly (0.1.0) - praefect (0.1.0) - letsencrypt (0.1.0) - nginx (0.1.0) - runit (4.3.0) - acme (4.1.1) - crond (0.1.0) - gitlab (0.0.1) Installing Cookbook Gems: Compiling Cookbooks... Recipe: gitlab::default ...省略 Recipe: monitoring::gitlab-exporter * runit_service[gitlab-exporter] action restart (up to date) Running handlers: Running handlers complete Chef Client finished, 14/654 resources updated in 03 minutes 13 seconds gitlab Reconfigured! #注：虽然提示已经完成了，后续的处理一般还需要稍等，可根据docker logs命令获取的日志信息来以及docker ps返回的状态信息来确认是否真正结束。
步骤4 ： 结果确认
登录之后可以正常进行root密码的重置
重置之后也可以使用新的密码正常登录
查看更多关于GitLab使用外部提供的Redis缓存数据库的方法详解的详细内容...
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