Class: Slackistrano::Capistrano

Inherits:
Object
  • Object
show all
Extended by:
Forwardable
Defined in:
lib/slackistrano/capistrano.rb

Instance Method Summary collapse

Constructor Details

#initialize(env) ⇒ Capistrano

Returns a new instance of Capistrano.



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# File 'lib/slackistrano/capistrano.rb', line 16

def initialize(env)
  @env = env
end

Instance Method Details

#post(action, backend) ⇒ Object 



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# File 'lib/slackistrano/capistrano.rb', line 36

def post(action, backend)
  team = fetch(:slack_team)
  token = fetch(:slack_token)
  webhook = fetch(:slack_webhook)
  via_slackbot = fetch(:slack_via_slackbot)

  channels = fetch(:slack_channel)
  channel_action = "slack_channel_#{action}".to_sym
  channels = fetch(channel_action) if fetch(channel_action)
  channels = Array(channels)
  if via_slackbot == false && channels.empty?
    channels = [nil] # default webhook channel
  end

  payload = {
    username: fetch(:slack_username),
    icon_url: fetch(:slack_icon_url),
    icon_emoji: fetch(:slack_icon_emoji),
  }

  payload[:attachments] = case action
                          when :updated
                            make_attachments(action, color: 'good')
                          when :reverted
                            make_attachments(action, color: '#4CBDEC')
                          when :failed
                            make_attachments(action, color: 'danger')
                          else
                            make_attachments(action)
                          end

  channels.each do |channel|
    payload[:channel] = channel

    # This is a nasty hack, but until Capistrano provides an official way to determine if
    # --dry-run was passed this is the only option.
    # See https://github.com/capistrano/capistrano/issues/1462
    if ::Capistrano::Configuration.env.send(:config)[:sshkit_backend] == SSHKit::Backend::Printer
      backend.info("[slackistrano] Slackistrano Dry Run:")
      backend.info("[slackistrano]   Team: #{team}")
      backend.info("[slackistrano]   Webhook: #{webhook}")
      backend.info("[slackistrano]   Via Slackbot: #{via_slackbot}")
      backend.info("[slackistrano]   Payload: #{payload.to_json}")

    # Post to the channel.
    else

      begin
        response = post_to_slack(team: team,
                                 token: token,
                                 webhook: webhook,
                                 via_slackbot: via_slackbot,
                                 payload: payload)

      rescue => e
        backend.warn("[slackistrano] Error notifying Slack!")
        backend.warn("[slackistrano]   Error: #{e.inspect}")
      end

      if response.code !~ /^2/
        warn("[slackistrano] Slack API Failure!")
        warn("[slackistrano]   URI: #{response.uri}")
        warn("[slackistrano]   Code: #{response.code}")
        warn("[slackistrano]   Message: #{response.message}")
        warn("[slackistrano]   Body: #{response.body}") if response.message != response.body && response.body !~ /<html/
      end
    end
  end

end

#run(action) ⇒ Object 



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# File 'lib/slackistrano/capistrano.rb', line 23

def run(action)
  should_run = fetch("slack_run".to_sym)
  should_run &&= fetch("slack_run_#{action}".to_sym)
  return unless should_run

  _self = self
  run_locally { _self.post(action, self) }

end