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#!/usr/bin/env ruby
require 'gitlab'
#
# Configure credentials to be used with gitlab gem
#
Gitlab.configure do |config|
config.endpoint = 'https://gitlab.com/api/v4'
config.private_token = ENV["DOCS_API_TOKEN"] # GitLab Docs bot access token which has only Developer access to gitlab-docs
end
#
# The remote docs project
#
GITLAB_DOCS_REPO = 'gitlab-com/gitlab-docs'.freeze
#
# Truncate the remote docs branch name if it's more than 63 characters
# otherwise we hit the filesystem limit and the directory name where
# NGINX serves the site won't match the branch name.
#
def docs_branch
# The maximum string length a file can have on a filesystem (ext4)
# is 63 characters. Let's use something smaller to be 100% sure.
max = 42
# Prefix the remote branch with 'preview-' in order to avoid
# name conflicts in the rare case the branch name already
# exists in the docs repo and truncate to max length.
"preview-#{ENV["CI_COMMIT_REF_SLUG"]}"[0...max]
end
#
# Create a remote branch in gitlab-docs
#
def create_remote_branch
Gitlab.create_branch(GITLAB_DOCS_REPO, docs_branch, 'master')
puts "Remote branch '#{docs_branch}' created"
rescue Gitlab::Error::BadRequest
puts "Remote branch '#{docs_branch}' already exists"
end
#
# Remove a remote branch in gitlab-docs
#
def remove_remote_branch
Gitlab.delete_branch(GITLAB_DOCS_REPO, docs_branch)
puts "Remote branch '#{docs_branch}' deleted"
end
#
# Define suffix in review app URL based on project
#
def slug
case ENV["CI_PROJECT_NAME"]
when 'gitlab-ce'
'ce'
when 'gitlab-ee'
'ee'
when 'gitlab-runner'
'runner'
when 'omnibus-gitlab'
'omnibus'
end
end
#
# Overriding vars in https://gitlab.com/gitlab-com/gitlab-docs/blob/master/.gitlab-ci.yml
#
def param_name
"BRANCH_#{slug.upcase}"
end
#
# Trigger a pipeline in gitlab-docs
#
def trigger_pipeline
# The review app URL
app_url = "http://#{docs_branch}.#{ENV["DOCS_REVIEW_APPS_DOMAIN"]}/#{slug}"
# Create the pipeline
puts "=> Triggering a pipeline..."
pipeline = Gitlab.run_trigger(GITLAB_DOCS_REPO, ENV["CI_JOB_TOKEN"], docs_branch, { param_name => ENV["CI_COMMIT_REF_NAME"] })
puts "=> Pipeline created:"
puts ""
puts "https://gitlab.com/gitlab-com/gitlab-docs/pipelines/#{pipeline.id}"
puts ""
puts "=> Preview your changes live at:"
puts ""
puts app_url
puts ""
end
#
# When the first argument is deploy then create the branch and trigger pipeline
# When it is 'stop', it deleted the remote branch. That way, we ensure there
# are no stale remote branches and the Review server doesn't fill.
#
case ARGV[0]
when 'deploy'
create_remote_branch
trigger_pipeline
when 'cleanup'
remove_remote_branch
else
puts "Please provide a valid option:
deploy - Creates the remote branch and triggers a pipeline
cleanup - Deletes the remote branch and stops the Review App"
end
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