Class: DevDock::DevContainer

Inherits:
Object
  • Object
show all
Defined in:
lib/dev_dock/container.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ DevContainer

Returns a new instance of DevContainer.



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# File 'lib/dev_dock/container.rb', line 13

def initialize(options)
  @options = options
  @image = DevDock::DevImage.new(options.image_name)
  @volumes = DevDock::DevVolumes.new(@image)
  @binds = DevDock::DevBinds.new([
    '/var/run/docker.sock:/var/run/docker.sock'
  ])
  @name = DevDock::Util::snake_case("dev_dock_#{options.image_name}")

  init_binds
end

Instance Attribute Details

#binds ⇒ Object (readonly)

Returns the value of attribute binds.



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# File 'lib/dev_dock/container.rb', line 11

def binds
  @binds
end

#image ⇒ Object (readonly)

Returns the value of attribute image.



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# File 'lib/dev_dock/container.rb', line 11

def image
  @image
end

#volumes ⇒ Object (readonly)

Returns the value of attribute volumes.



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# File 'lib/dev_dock/container.rb', line 11

def volumes
  @volumes
end

Instance Method Details

#docker_group ⇒ Object 



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# File 'lib/dev_dock/container.rb', line 42

def docker_group
  docker_line = File
    .read('/etc/group')
    .lines
    .find { |line| line.start_with?('docker') }
  group = docker_line and docker_line.split(':')[1]
  if docker_line.nil?
    group = docker_line
  else
    group = docker_line.split(':')[2]
  end
  Log::debug("Docker gid is #{group}")
  group
end

#enable_x11(arguments) ⇒ Object 



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# File 'lib/dev_dock/container.rb', line 77

def enable_x11(arguments)
  if x11?
    Log::debug('X11 socket file found')
    arguments.push '-e'
    arguments.push 'DISPLAY'
  else
    Log::debug('Did not find X11 socket file')
  end
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dev_dock/container.rb', line 57

def exist?
  Docker::Container.get(@name)
  true
rescue Docker::Error::NotFoundError
  false
end

#init_binds ⇒ Object 



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# File 'lib/dev_dock/container.rb', line 25

def init_binds

  ['workspaces', '.gitconfig', '.ssh'].each do |directory|
    source = File.join(ENV['HOME'], directory)
    target = File.join("/home", @image.user, directory)
    @binds.push("#{source}:#{target}")
  end

  if x11?
    @binds.push('/tmp/.X11-unix:/tmp/.X11-unix:ro')
  end

  if linux?
    @binds.push( '/etc/localtime:/etc/localtime:ro')
  end
end

#kill ⇒ Object

kill container



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# File 'lib/dev_dock/container.rb', line 65

def kill
  Docker::Container.get(@name).kill   
end

#linux? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dev_dock/container.rb', line 73

def linux?
  RUBY_PLATFORM.start_with?("x86_64-linux")
end

#run ⇒ Object 



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# File 'lib/dev_dock/container.rb', line 131

def run
  exec *run_arguments
end

#run_arguments ⇒ Object 



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# File 'lib/dev_dock/container.rb', line 87

def run_arguments
  arguments = [
    'docker',
    'run',
    '--privileged',
    '--name', @name,
    '--group-add', docker_group,
    '--net=host',
    '--rm',
    '-ti',
    '--detach-keys',
    'ctrl-q,ctrl-q',
    '-e', 'GH_USER',
    '-e', 'GH_PASS',
    '-e', "DEV_DOCK_HOST_HOME=#{@options.host_home}"
  ]

  if linux?
    enable_x11(arguments)
  end

  @volumes.list.each do |volume|
    arguments.push '--mount', "source=#{volume.name},target=#{volume.path}"
  end

  @options.volumes.each do |volume|
    arguments.push '-v', volume
  end

  @binds.list.each do |bind|
    arguments.push '-v', bind.to_argument
  end

  @options.environment.each do |environment|
    arguments.push '-e', environment
  end

  arguments.push @image.name

  arguments.push *@options.run_command

  arguments
end

#x11? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dev_dock/container.rb', line 69

def x11?
  File.exists?('/tmp/.X11-unix')
end