Class: Geordi::Remote

Inherits:
Object
  • Object
show all
Includes:
Interaction
Defined in:
lib/geordi/remote.rb

Constant Summary collapse

REMOTE_DUMP_PATH = 
'~/dumps/dump_for_download.dump'

Instance Method Summary collapse

Methods included from Interaction

#announce, #fail, #note, #note_cmd, #prompt, #strip_heredoc, #success, #warn

Constructor Details

#initialize(stage) ⇒ Remote

Returns a new instance of Remote.



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# File 'lib/geordi/remote.rb', line 13

def initialize(stage)
  @stage = stage
  @config = CapistranoConfig.new(stage)
end

Instance Method Details

#console(options = {}) ⇒ Object 



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# File 'lib/geordi/remote.rb', line 55

def console(options = {})
  shell(options.merge :remote_command => Util.console_command(@config.env))
end

#dump(options = {}) ⇒ Object 



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# File 'lib/geordi/remote.rb', line 34

def dump(options = {})
  # Generate dump on the server
  shell options.merge({
    :remote_command => "dumple #{@config.env} --for_download",
    :select_server => nil # Dump must be generated on the primary server
  })

  destination_directory = File.join(@config.root, 'tmp')
  FileUtils.mkdir_p destination_directory
  destination_path = File.join(destination_directory, "#{@stage}.dump")
  relative_destination = Pathname.new(destination_path).relative_path_from Pathname.new(@config.root)

  note "Downloading remote dump to #{relative_destination} ..."
  server = @config.primary_server
  Util.system! "scp #{ @config.user(server) }@#{ server }:#{REMOTE_DUMP_PATH} #{destination_path}"

  success "Dumped the #{@stage} database to #{relative_destination}."

  destination_path
end

#select_server ⇒ Object 



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# File 'lib/geordi/remote.rb', line 18

def select_server
  selected_server = choose do |menu|
    @config.servers.each do |server|
      menu.choice(server) { server }
    end

    # Default to the first listed server (by convention, the first server
    # in the deploy files is the primary one).
    menu.default = '1'
    menu.prompt = 'Connect to? [1] '
  end

  puts
  selected_server
end

#shell(options = {}) ⇒ Object 



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# File 'lib/geordi/remote.rb', line 59

def shell(options = {})
  server = options[:select_server] ? select_server : @config.primary_server

  remote_command = "cd #{@config.remote_root} && #{@config.shell}"
  remote_command << " -c '#{options[:remote_command]}'" if options[:remote_command]

  note 'Connecting to ' + server.to_s
  Util.system! 'ssh', "#{ @config.user(server) }@#{ server }", '-t', remote_command
end