Module: Cyclid::API::Plugins::ApiExtension::GithubMethods::Push

Included in:
Cyclid::API::Plugins::ApiExtension::GithubMethods
Defined in:
app/cyclid/plugins/api/github/push.rb

Overview

Handle a Pull Request event

Instance Method Summary collapse

Instance Method Details

#event_push(config) ⇒ Object

Handle a Github Push event



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# File 'app/cyclid/plugins/api/github/push.rb', line 31

def event_push(config)
  # Safely load the JSON event data
  @payload = parse_request_body
  Cyclid.logger.debug "hook payload=#{@payload.inspect}"

  # Get the list of files in the root of the repository in the
  # push branch
  clone_url = URI(push_clone_url)

  # Get the authentication key
  auth_token = find_oauth_token(config, clone_url)

  return_failure(400, "can not find a valid OAuth token for #{clone_url}") \
    if auth_token.nil?

  # Create an Octokit client
  @client = Octokit::Client.new(access_token: auth_token)

  # Get the push head
  tree = @client.tree(push_repository, push_sha, recursive: false)
  Cyclid.logger.debug "tree=#{tree.to_hash}"

  # Find the Cyclid job file (if it exists)
  job_sha, job_type = find_job_file(tree)
  Cyclid.logger.debug "job_sha=#{job_sha}"

  if job_sha.nil?
    @client.create_status(push_repository, push_sha, 'error',
                          context: 'Cyclid', description: 'No Cyclid job file found')
    return_failure(400, 'not a Cyclid repository')
  end

  # Get the job file
  begin
    job_definition = load_job_file(push_repository, job_sha, job_type)

    # Insert this repository & branch into the sources
    #
    # XXX Could this cause collisions between the existing sources in
    # the job definition? Not entirely sure what the workflow will
    # look like.
    job_sources = job_definition['sources'] || []
    job_sources << { 'type' => 'git',
                     'url' => clone_url.to_s,
                     'branch' => push_ref,
                     'token' => auth_token }
    job_definition['sources'] = job_sources

    Cyclid.logger.debug "sources=#{job_definition['sources']}"
  rescue StandardError => ex
    Cyclid.logger.error "failed to retrieve Github Push job: #{ex}"

    @client.create_status(push_repository, push_sha, 'error',
                          context: 'Cyclid',
                          description: "Couldn't retrieve Cyclid job file")
    return_failure(400, 'not a Cyclid repository')
  end

  Cyclid.logger.debug "job_definition=#{job_definition}"

  begin
    # Retrieve the plugin configuration
    plugins_config = Cyclid.config.plugins
    github_config = load_github_config(plugins_config)

    ui_url = github_config[:ui_url]
    linkback_url = "#{ui_url}/#{organization_name}"

    # Inject some useful context data
    ctx = { github_event: 'push',
            github_user: @payload['sender']['login'],
            github_ref: push_ref,
            github_comment: push_head_commit['message'] }

    callback = GithubCallback.new(auth_token, push_repository, push_sha, linkback_url)
    job_from_definition(job_definition, callback, ctx)
  rescue NotFoundError
    @client.create_status(pr_repository, pr_sha, 'error',
                          context: 'Cyclid',
                          description: 'The Organization does not exist')

    return_failure(404, 'organization does not exist')
  rescue InvalidObjectError
    @client.create_status(pr_repository, pr_sha, 'error',
                          context: 'Cyclid',
                          description: 'The Job definition contains errors')

    return_failure(400, 'job definition contains errors')
  rescue InternalError
    @client.create_status(pr_repository, pr_sha, 'error',
                          context: 'Cyclid', description: 'An Internal Error occurred')

    return_failure(4500, "internal error: #{ex}")
  rescue StandardError
    @client.create_status(push_repository, push_sha, 'error',
                          context: 'Cyclid', description: 'An unknown error occurred')

    return_failure(500, 'job failed')
  end

  return true
end