135 lines
3.9 KiB
Ruby
Executable File
135 lines
3.9 KiB
Ruby
Executable File
#!/usr/bin/env ruby
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require 'gitlab'
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#
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# Configure credentials to be used with gitlab gem
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#
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Gitlab.configure do |config|
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config.endpoint = 'https://gitlab.com/api/v4'
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config.private_token = ENV["DOCS_API_TOKEN"] # GitLab Docs bot access token with Developer access to gitlab-docs
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end
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#
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# The remote docs project
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#
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GITLAB_DOCS_REPO = 'gitlab-com/gitlab-docs'.freeze
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#
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# Truncate the remote docs branch name if it's more than 63 characters
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# otherwise we hit the filesystem limit and the directory name where
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# NGINX serves the site won't match the branch name.
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#
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def docs_branch
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# The maximum string length a file can have on a filesystem (ext4)
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# is 63 characters. Let's use something smaller to be 100% sure.
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max = 42
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# Prefix the remote branch with the slug of the project in order
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# to avoid name conflicts in the rare case the branch name already
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# exists in the docs repo and truncate to max length.
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"#{slug}-#{ENV["CI_ENVIRONMENT_SLUG"]}"[0...max]
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end
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#
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# Create a remote branch in gitlab-docs and immediately cancel the pipeline
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# to avoid race conditions, since a triggered pipeline will also run right
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# after the branch creation. This only happens the very first time a branch
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# is created and will be skipped in subsequent runs. Read more in
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# https://gitlab.com/gitlab-com/gitlab-docs/issues/154.
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#
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def create_remote_branch
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Gitlab.create_branch(GITLAB_DOCS_REPO, docs_branch, 'master')
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puts "=> Remote branch '#{docs_branch}' created"
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pipelines = nil
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# Wait until the pipeline is started
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loop do
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sleep 1
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puts "=> Waiting for pipeline to start..."
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pipelines = Gitlab.pipelines(GITLAB_DOCS_REPO, { ref: docs_branch })
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break if pipelines.any?
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end
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# Get the first pipeline ID which should be the only one for the branch
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pipeline_id = pipelines.first.id
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# Cancel the pipeline
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Gitlab.cancel_pipeline(GITLAB_DOCS_REPO, pipeline_id)
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rescue Gitlab::Error::BadRequest
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puts "=> Remote branch '#{docs_branch}' already exists"
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end
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#
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# Remove a remote branch in gitlab-docs
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#
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def remove_remote_branch
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Gitlab.delete_branch(GITLAB_DOCS_REPO, docs_branch)
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puts "=> Remote branch '#{docs_branch}' deleted"
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end
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#
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# Define suffix in review app URL based on project
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#
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def slug
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case ENV["CI_PROJECT_NAME"]
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when 'gitlab-ce'
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'ce'
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when 'gitlab-ee'
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'ee'
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when 'gitlab-runner'
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'runner'
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when 'omnibus-gitlab'
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'omnibus'
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end
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end
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#
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# Overriding vars in https://gitlab.com/gitlab-com/gitlab-docs/blob/master/.gitlab-ci.yml
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#
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def param_name
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"BRANCH_#{slug.upcase}"
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end
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#
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# Trigger a pipeline in gitlab-docs
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#
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def trigger_pipeline
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# The review app URL
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app_url = "http://#{docs_branch}.#{ENV["DOCS_REVIEW_APPS_DOMAIN"]}/#{slug}"
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# Create the cross project pipeline using CI_JOB_TOKEN
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pipeline = Gitlab.run_trigger(GITLAB_DOCS_REPO, ENV["CI_JOB_TOKEN"], docs_branch, { param_name => ENV["CI_COMMIT_REF_NAME"] })
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puts "=> Follow the status of the triggered pipeline:"
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puts ""
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puts "https://gitlab.com/gitlab-com/gitlab-docs/pipelines/#{pipeline.id}"
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puts ""
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puts "=> In a few minutes, you will be able to preview your changes under the following URL:"
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puts ""
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puts app_url
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puts ""
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puts "=> For more information, read the documentation"
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puts "=> https://docs.gitlab.com/ee/development/writing_documentation.html#previewing-the-changes-live"
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puts ""
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puts "=> If something doesn't work, drop a line in the #docs chat channel."
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puts ""
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end
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#
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# When the first argument is deploy then create the branch and trigger pipeline
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# When it is 'stop', it deleted the remote branch. That way, we ensure there
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# are no stale remote branches and the Review server doesn't fill.
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#
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case ARGV[0]
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when 'deploy'
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create_remote_branch
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trigger_pipeline
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when 'cleanup'
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remove_remote_branch
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else
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puts "Please provide a valid option:
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deploy - Creates the remote branch and triggers a pipeline
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cleanup - Deletes the remote branch and stops the Review App"
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end
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