Saturday, May 05, 2018

Oracle Linux - register GitLab Runner

Automation of the development process and including CI/CD processes in your development and deployment cycle is more and more common. One of the solutions you could use is GitLab CI to build automated pipelines. For companies who want (need) to maintain a private repository and cannot use, as an example, github.com for storing their source code GitLab is a very good tool. As part of GitLab you can use GitLab Ci for pipeline automation.

Using GitLab CI and the Gitlab runners takes away (for a part) the need to include tooling such as Jenkins in your landscape. You can instruct your Gitlab Runners to execute certain task and control run the pipeline. For this to work you need to install the runner and register it against your GitLab repository.

In our case we run the GitLab repository on an Oracle Linux 7 instance and we also have the GitLab runner installed on a (seperate) Oracle Linux 7 instance. After installation you will have to take the below steps to register your runner against the GitLab repository. This is done on the GitLab runner instance.

[root@gitlab ~]# gitlab-runner register
Running in system-mode.                            
                                                   
Please enter the gitlab-ci coordinator URL (e.g. https://gitlab.com/):
http://192.168.56.3/
Please enter the gitlab-ci token for this runner:
5gosbE5T2XJxtzXr_b_h
Please enter the gitlab-ci description for this runner:
[gitlab.devnet.terminalcult.org]: runner_0  
Please enter the gitlab-ci tags for this runner (comma separated):
all
Whether to run untagged builds [true/false]:
[false]: true
Whether to lock the Runner to current project [true/false]:
[true]: true
Registering runner... succeeded                     runner=5gosbE5T                
Please enter the executor: docker, parallels, shell, virtualbox, kubernetes, docker-ssh, ssh, docker+machine, docker-ssh+machine:
[docker, parallels, shell, virtualbox, kubernetes, docker-ssh, ssh, docker+machine, docker-ssh+machine]: shell
Runner registered successfully. Feel free to start it, but if it's running already the config should be automatically reloaded! 
[root@gitlab ~]# 

The token you need to provide you can get from the GitLab repository. The below image shows the token and the location where you can obtain the code.



The same page can be used to change settings to your runners after they are deployed. 
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