Class: Jarl::Application::Instance

Inherits:
Object
  • Object
show all
Defined in:
lib/jarl/application.rb

Overview

Application::Instance represents a single running instance of the application

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(application, container) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/jarl/application.rb', line 133

def initialize(application, container)
  @application = application
  @container = container
end

Instance Attribute Details

#application ⇒ Object (readonly)

Returns the value of attribute application.



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# File 'lib/jarl/application.rb', line 132

def application
  @application
end

#container ⇒ Object (readonly)

Returns the value of attribute container.



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# File 'lib/jarl/application.rb', line 132

def container
  @container
end

Class Method Details

.start(application, n = nil) ⇒ Object 



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# File 'lib/jarl/application.rb', line 173

def self.start(application, n = nil)
  Docker.start(
    name: (n ? "#{application.full_name}.#{n}" : application.full_name),
    hostname: (n ? "#{application.hostname}-#{n}" : application.hostname),
    image: application.image_name,
    volumes: application.volumes,
    ports: application.ports,
    environment: application.environment,
    command: application.command
  )
end

Instance Method Details

#n ⇒ Object 



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# File 'lib/jarl/application.rb', line 146

def n
  suffix = @container.name.split('.').last
  suffix =~ /^\d+$/ ? suffix : nil
end

#name ⇒ Object 



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# File 'lib/jarl/application.rb', line 142

def name
  @container.name
end

#ssh(command = nil) ⇒ Object 



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# File 'lib/jarl/application.rb', line 169

def ssh(command = nil)
  container.open_ssh_session!(Jarl.config.params, command)
end

#stop! ⇒ Object 



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# File 'lib/jarl/application.rb', line 138

def stop!
  @container.stop!
end

#tail_log(*_args) ⇒ Object 



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# File 'lib/jarl/application.rb', line 151

def tail_log(*_args)
  color_code = Console::Colors::SEQUENCE[application.serial % Console::Colors::SEQUENCE.size]
  begin
    instance_no = n ? ".#{n}" : ''
    IO.popen "docker logs -f #{container.id}", 'r' do |p|
      str = '<<< STARTED >>>'
      while str
        str = p.gets
        str.split("\n").each do |s|
          puts "#{esc_color color_code, application.full_name}#{instance_no}: #{s}"
        end
      end
    end
  rescue Interrupt
    #
  end
end