Class: Wrapbox::Runner::Docker

Inherits:
Object
  • Object
show all
Defined in:
lib/wrapbox/runner/docker.rb

Defined Under Namespace

Classes: Cli, ExecutionError

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Docker

Returns a new instance of Docker.



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# File 'lib/wrapbox/runner/docker.rb', line 17

def initialize(options)
  @name = options[:name]
  @container_definitions = options[:container_definition] ? [options[:container_definition]] : options[:container_definitions]
  @logger = Logger.new($stdout)

  if @container_definitions.size >= 2
    raise "Docker runner does not support multi container currently"
  end

  @container_definition = @container_definitions[0]

  @keep_container = options[:keep_container]
end

Instance Attribute Details

#container_definition ⇒ Object (readonly)

Returns the value of attribute container_definition.



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# File 'lib/wrapbox/runner/docker.rb', line 12

def container_definition
  @container_definition
end

#keep_container ⇒ Object (readonly)

Returns the value of attribute keep_container.



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# File 'lib/wrapbox/runner/docker.rb', line 12

def keep_container
  @keep_container
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/wrapbox/runner/docker.rb', line 12

def name
  @name
end

Instance Method Details

#run(class_name, method_name, args, container_definition_overrides: {}, environments: []) ⇒ Object 



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# File 'lib/wrapbox/runner/docker.rb', line 31

def run(class_name, method_name, args, container_definition_overrides: {}, environments: [])
  definition = container_definition
    .merge(container_definition_overrides)

  envs = base_environments(class_name, method_name, args)
  envs.concat(extract_environments(environments))

  exec_docker(definition: definition, cmd: ["bundle", "exec", "rake", "wrapbox:run"], environments: envs)
end

#run_cmd(cmds, container_definition_overrides: {}, environments: [], ignore_signal: false) ⇒ Object 



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# File 'lib/wrapbox/runner/docker.rb', line 41

def run_cmd(cmds,  container_definition_overrides: {}, environments: [], ignore_signal: false)
  ths = []
  definition = container_definition
    .merge(container_definition_overrides)

  environments = extract_environments(environments)

  cmds << nil if cmds.empty?
  cmds.each_with_index do |cmd, idx|
    ths << Thread.new(cmd, idx) do |c, i|
      envs = environments + ["WRAPBOX_CMD_INDEX=#{idx}"]
      exec_docker(
        definition: definition,
        cmd: c&.shellsplit,
        environments: envs
      )
    end
  end
  ths.each { |th| th&.join }

  true
rescue SignalException => e
  sig = "SIG#{Signal.signame(e.signo)}"
  if ignore_signal
    @logger.info("Receive #{sig} signal. But Docker container continue running")
  else
    @logger.info("Receive #{sig} signal. Stop All tasks")
    ths.each do |th|
      th.report_on_exception = false
      th.raise(e)
    end
    thread_timeout = 15
    ths.each { |th| th.join(thread_timeout) }
  end
  nil
end