Module: Capistrano::Slack

Defined in:
lib/capistrano/slack.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.extended(configuration) ⇒ Object 



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# File 'lib/capistrano/slack.rb', line 41

def self.extended(configuration)
    configuration.load do

      before('deploy') do 
        slack_defaults
      end

      set :deployer do
        ENV['GIT_AUTHOR_NAME'] || `git config user.name`.chomp
      end

      namespace :slack do
        task :starting do
          return if slack_token.nil?
          announced_deployer = ActiveSupport::Multibyte::Chars.new(fetch(:deployer)).mb_chars.normalize(:kd).gsub(/[^\x00-\x7F]/,'').to_s
          msg = if fetch(:branch, nil)
            "#{announced_deployer} is deploying #{slack_application}'s #{branch} to #{fetch(:stage, 'production')}"
          else
            "#{announced_deployer} is deploying #{slack_application} to #{fetch(:stage, 'production')}"
          end

          slack_connect(msg)  
          set(:start_time, Time.now)
        end
        task :finished do
          begin
            return if slack_token.nil?
            announced_deployer = fetch(:deployer)
            start_time = fetch(:start_time)
            elapsed = Time.now.to_i - start_time.to_i
            msg = "#{announced_deployer} deployed #{slack_application} successfully in #{elapsed} seconds." 
            slack_connect(msg)
          rescue Faraday::Error::ParsingError
            # FIXME deal with crazy color output instead of rescuing
            # it's stuff like: ^[[0;33m and ^[[0m
          end
        end
      end

    end
end

Instance Method Details

#payload(announcement) ⇒ Object 



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# File 'lib/capistrano/slack.rb', line 10

def payload(announcement)
{
  'channel' => fetch(:slack_room),
  'username' => fetch(:slack_username, ''), 
  'text' => announcement, 
  'icon_emoji' => fetch(:slack_emoji, '') 
  }.to_json
end

#slack_connect(message) ⇒ Object 



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# File 'lib/capistrano/slack.rb', line 19

def slack_connect(message)
  begin
    uri = URI.parse("https://#{fetch(:slack_subdomain)}.slack.com/services/hooks/incoming-webhook?token=#{fetch(:slack_token)}")
    http = Net::HTTP.new(uri.host, uri.port)
    http.use_ssl = true
    http.verify_mode = OpenSSL::SSL::VERIFY_PEER
    request = Net::HTTP::Post.new(uri.request_uri)
    request.set_form_data(:payload => payload(message))
    http.request(request) 
  rescue SocketError => e 
     puts "#{e.message} or slack may be down"
   end
end

#slack_defaults ⇒ Object 



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# File 'lib/capistrano/slack.rb', line 32

def slack_defaults 
  if fetch(:slack_deploy_defaults, true) == true
    before 'deploy', 'slack:starting'
    before 'deploy:migrations', 'slack:starting'
    after 'deploy',  'slack:finished'
    after 'deploy:migrations',  'slack:finished'
  end
end