1.安装Docker

参考 https://docs.docker.com/install/linux/docker-ce/centos/

2.安装gitlab ci runner

curl -L https://packages.gitlab.com/install/repositories/runner/gitlab-ci-multi-runner/script.rpm.sh | sudo bash
yum install gitlab-ci-multi-runner -y

查看是否运行正常

gitlab-ci-multi-runner status

image.png

3.gitlab-runner注册问题

首先登陆gitlab获取url和tocken

image.png

[root@gitlab-ci ~]# gitlab-ci-multi-runner register
Running in system-mode.                            
                                                   
Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/):
https://gitlab.example.com/
Please enter the gitlab-ci token for this runner:
AvpQDzBCL66sYKyURChH
Please enter the gitlab-ci description for this runner:
[gitlab-ci]: 
Please enter the gitlab-ci tags for this runner (comma separated):
test,demo
Whether to run untagged builds [true/false]:
[false]: 
Whether to lock Runner to current project [true/false]:
[false]: 
ERROR: Registering runner... failed                 runner=AvpQDzBC status=couldn't execute POST against https://gitlab.example.com/api/v4/runners: Post https://gitlab.example.com/api/v4/runners: x509: certificate signed by unknown authority
PANIC: Failed to register this runner. Perhaps you are having network problems 
[root@gitlab-ci ~]#

证书签名错误,在网上找了许多办法还是不行，解决办法：

[root@gitlab-ci docker]# gitlab-runner register \
   --non-interactive \
   --tls-ca-file=/etc/gitlab/ssl/gitlab.example.com.crt  \
   --url "https://gitlab.example.com/" \
   --registration-token "AvpQDzBCL66sYKyURChH" \
   --executor "docker" \
   --docker-image maven:latest \
   --description "runner " \
   --tag-list "run" \
   --run-untagged \
   --locked="false"
Running in system-mode.                            
                                                   
Registering runner... succeeded                     runner=AvpQDzBC
Runner registered successfully. Feel free to start it, but if it's running already the config should be automatically reloaded!

注册成功，返回到gitlab已经是激活的状态。