Module: Sinatra::PuppetWebhookRoutes::Payload

Defined in:
lib/routes/payload.rb

Overview

Registers a POST route for the Payload endpoint on PuppetWebhook

Class Method Summary collapse

Class Method Details

.registered(puppet_webhook) ⇒ Object 



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# File 'lib/routes/payload.rb', line 7

def self.registered(puppet_webhook)
  puppet_webhook.post '/payload' do # rubocop:disable Metrics/BlockLength
    protected! if settings.protected
    request.body.rewind # in case someone already read it

    # Short circuit if we're ignoring this event
    return 200 if ignore_event?

    # Check if content type is x-www-form-urlencoded
    decoded = if request.content_type.to_s.casecmp('application/x-www-form-urlencoded').zero?
                CGI.unescape(request.body.read).gsub(%r{^payload\=}, '')
              else
                request.body.read
              end
    verify_signature(settings.github_secret, decoded) if verify_signature?
    data = JSON.parse(decoded, quirks_mode: true)

    # Iterate the data structure to determine what's should be deployed
    branch = env['parsed_body'][:branch]

    # If prefix is enabled in our config file, determine what the prefix should be
    prefix = case settings.prefix
             when :repo
               env['parsed_body'][:repo_name]
             when :user
               env['parsed_body'][:repo_user]
             when :command, TrueClass
               run_prefix_command(data.to_json)
             when String
               settings.prefix
             end

    # When a branch is being deleted, a deploy against it will result in a failure, as it no longer exists.
    # Instead, deploy the default branch, which will purge deleted branches per the user's configuration
    deleted = env['parsed_body'][:deleted]

    branch = if deleted
               settings.default_branch
             else
               sanitize_input(branch)
             end

    # r10k doesn't yet know how to deploy all branches from a single source.
    # The best we can do is just deploy all environments by passing nil to
    # deploy() if we don't know the correct branch.
    env = if prefix.nil? || prefix.empty? || branch.nil? || branch.empty?
            normalize(settings.allow_uppercase, branch)
          else
            normalize(settings.allow_uppercase, "#{prefix}_#{branch}")
          end

    if ignore_env?(env)
      LOGGER.info("Skipping deployment of environment #{env} according to ignore_environments configuration parameter")
      return 200
    else
      LOGGER.info("Deploying environment #{env}")
      Process.detach(fork { deploy(env, deleted) })
    end
  end
end