15_manual_deployment

Manual deployment

Manual deployment job

We are going to modify the pipeline as follows:

graph LR;
  subgraph test
  B(Test and coverage);
  end
  subgraph analysis
  C(pylint);
  D(pycodestyle);
  end
  subgraph deploy
  E(rsync);
  end
  B-->C
  B-->D
  C-->E
  D-->E

Manual deployment

Add a deploy stage, and a job_deployment in the deploy stage in the .gitlab-ci.yml file using the when: manual technic.

Specify <YOUR_LOGIN> in the script to have your own copy of your yaml file on the target server:

  script:
    - rsync .gitlab-ci.yml ci@172.21.9.205:<YOUR_LOGIN>-gitlab-ci.yml
  when: manual

Secret variables

GitLab CI offers the possibility to define secret variables. On the GitLab web site, in Settings, CI / CD, expand the Variables. Check the variables named SSH_PRIVATE_KEY and SSH_KNOWN_HOSTS are defined. This will allow you to push some files on a server.

SSH keys when using the docker executor

Accordingly to the documentation, add the following before_script in job_deployment of the .gitlab-ci.yml file:

  before_script:
    - eval $(ssh-agent -s)
    - echo "$SSH_PRIVATE_KEY" | tr -d '\r' | ssh-add - > /dev/null
    - mkdir -p ~/.ssh
    - chmod 700 ~/.ssh
    - echo "$SSH_KNOWN_HOSTS" > ~/.ssh/known_hosts
    - chmod 644 ~/.ssh/known_hosts

Push the .gitlab-ci.yml file, and verify on the GitLab web site, click on your Pipeline, and play the manual job_deployment.

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