Class: Gitlab::QA::Component::Base

Inherits:
Object
  • Object
show all
Includes:
Scenario::Actable
Defined in:
lib/gitlab/qa/component/base.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Scenario::Actable

#act, included

Constructor Details

#initialize ⇒ Base

Returns a new instance of Base.



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# File 'lib/gitlab/qa/component/base.rb', line 11

def initialize
  @docker = Docker::Engine.new
  @environment = {}
  @volumes = {}
  @network_aliases = []

  self.exec_commands = []
end

Instance Attribute Details

#docker ⇒ Object (readonly)

Returns the value of attribute docker.



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# File 'lib/gitlab/qa/component/base.rb', line 7

def docker
  @docker
end

#environment ⇒ Object

Returns the value of attribute environment.



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# File 'lib/gitlab/qa/component/base.rb', line 8

def environment
  @environment
end

#exec_commands=(value) ⇒ Object

Sets the attribute exec_commands

Parameters:

  • value —

    the value to set the attribute exec_commands to.



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# File 'lib/gitlab/qa/component/base.rb', line 9

def exec_commands=(value)
  @exec_commands = value
end

#name ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gitlab/qa/component/base.rb', line 24

def name
  raise NotImplementedError, "#{self.class.name} must specify a default name"
end

#network ⇒ Object

Returns the value of attribute network.



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# File 'lib/gitlab/qa/component/base.rb', line 8

def network
  @network
end

#volumes ⇒ Object

Returns the value of attribute volumes.



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# File 'lib/gitlab/qa/component/base.rb', line 8

def volumes
  @volumes
end

Instance Method Details

#add_network_alias(name) ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 20

def add_network_alias(name)
  @network_aliases.push(name)
end

#hostname ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 28

def hostname
  "#{name}.#{network}"
end

#image ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gitlab/qa/component/base.rb', line 32

def image
  return self.class.const_get('DOCKER_IMAGE') if self.class.const_defined?('DOCKER_IMAGE')

  raise NotImplementedError, "#{self.class.name} must specify a docker image as DOCKER_IMAGE"
end

#instance ⇒ Object Also known as: launch_and_teardown_instance 



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# File 'lib/gitlab/qa/component/base.rb', line 44

def instance
  prepare
  start
  reconfigure
  wait_until_ready
  process_exec_commands

  yield self if block_given?
ensure
  teardown
end

#prepare ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 58

def prepare
  prepare_docker_image
  prepare_network
end

#prepare_docker_image ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 63

def prepare_docker_image
  return if Runtime::Env.skip_pull?

  pull
end

#prepare_network ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 69

def prepare_network
  return if docker.network_exists?(network)

  docker.network_create(network)
end

#process_exec_commands ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 117

def process_exec_commands
  exec_commands.each { |command| docker.exec(name, command) }
end

#pull ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 113

def pull
  docker.pull(image, tag)
end

#restart ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 98

def restart
  assert_name!

  docker.restart(name)
end

#start ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/gitlab/qa/component/base.rb', line 75

def start # rubocop:disable Metrics/AbcSize
  docker.run(image, tag) do |command|
    command << "-d"
    command << "--name #{name}"
    command << "--net #{network}"
    command << "--hostname #{hostname}"

    @volumes.to_h.each do |to, from|
      command.volume(to, from, 'Z')
    end

    command.volume(File.join(Runtime::Env.host_artifacts_dir, name, 'logs'), '/var/log/gitlab', 'Z')

    @environment.to_h.each do |key, value|
      command.env(key, value)
    end

    @network_aliases.to_a.each do |network_alias|
      command << "--network-alias #{network_alias}"
    end
  end
end

#tag ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/gitlab/qa/component/base.rb', line 38

def tag
  return self.class.const_get('DOCKER_IMAGE_TAG') if self.class.const_defined?('DOCKER_IMAGE_TAG')

  raise NotImplementedError, "#{self.class.name} must specify a docker image tag as DOCKER_IMAGE_TAG"
end

#teardown ⇒ Object 



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# File 'lib/gitlab/qa/component/base.rb', line 104

def teardown
  assert_name!

  return unless docker.running?(name)

  docker.stop(name)
  docker.remove(name)
end