Class: CapistranoMulticonfigParallel::CelluloidWorker

Inherits:
Object
  • Object
show all
Includes:
Celluloid, Celluloid::Logger, Celluloid::Notifications
Defined in:
lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb

Overview

rubocop:disable ClassLength worker that will spawn a child process in order to execute a capistrano job and monitor that process

Defined Under Namespace

Classes: TaskFailed

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#action_name ⇒ Object

Returns the value of attribute action_name.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def action_name
  @action_name
end

#app_name ⇒ Object

Returns the value of attribute app_name.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def app_name
  @app_name
end

#client ⇒ Object

Returns the value of attribute client.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def client
  @client
end

#current_task_number ⇒ Object

Returns the value of attribute current_task_number.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def current_task_number
  @current_task_number
end

#env_name ⇒ Object

Returns the value of attribute env_name.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def env_name
  @env_name
end

#env_options ⇒ Object

Returns the value of attribute env_options.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def env_options
  @env_options
end

#execute_deploy ⇒ Object

Returns the value of attribute execute_deploy.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def execute_deploy
  @execute_deploy
end

#executed_dry_run ⇒ Object

Returns the value of attribute executed_dry_run.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def executed_dry_run
  @executed_dry_run
end

#job ⇒ Hash

Returns options used for executing capistrano task.

Returns:

  • (Hash) —

    options used for executing capistrano task



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 19

class CelluloidWorker
  include Celluloid
  include Celluloid::Notifications
  include Celluloid::Logger
  class TaskFailed < StandardError; end

  attr_accessor :job, :manager, :job_id, :app_name, :env_name, :action_name, :env_options, :machine, :client, :task_argv, :execute_deploy, :executed_dry_run,
                :rake_tasks, :current_task_number, # tracking tasks
                :successfull_subscription, :subscription_channel, :publisher_channel, # for subscriptions and publishing events
                :task_confirmations, :manager_condition, :last_manager_condition # for task conifirmations from manager

  def work(job, manager)
    @job = job
    @manager = manager

    process_job(job) if job.present?
    debug("worker #{@job_id} received #{job.inspect}") if debug_enabled?
    @subscription_channel = "worker_#{@job_id}"
    @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
    setup_worker_condition
    manager.register_worker_for_job(job, Actor.current)
  end

  def debug_enabled?
    @manager.class.debug_enabled?
  end

  def start_task
    debug("exec worker #{@job_id} starts task with #{@job.inspect}") if debug_enabled?
    @task_confirmations = CapistranoMulticonfigParallel.configuration.task_confirmations
    @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: @manager.class.debug_websocket?) do |ws|
      ws.subscribe(@subscription_channel)
    end
  end

  def publish_rake_event(data)
    @client.publish(rake_actor_id(data), data)
  end

  def rake_actor_id(data)
    data['action'].present? && data['action'] == 'count' ? "rake_worker_#{@job_id}_count" : "rake_worker_#{@job_id}"
  end

  def on_message(message)
    debug("worker #{@job_id} received:  #{message.inspect}") if debug_enabled?
    if @client.succesfull_subscription?(message)
      @successfull_subscription = true
      execute_after_succesfull_subscription
    else
      handle_subscription(message)
    end
  end

  def execute_after_succesfull_subscription
    setup_task_arguments
    if (@action_name == 'deploy' || @action_name == 'deploy:rollback') && CapistranoMulticonfigParallel.show_task_progress
      @executed_dry_run = true
      @rake_tasks = []
      @task_argv << '--dry-run'
      @task_argv << 'count_rake=true'
      @child_process = CapistranoMulticonfigParallel::ChildProcess.new
      Actor.current.link @child_process
      debug("worker #{@job_id} executes: bundle exec multi_cap #{@task_argv.join(' ')}") if debug_enabled?
      @child_process.async.work("bundle exec multi_cap #{@task_argv.join(' ')}", actor: Actor.current, dry_run: true)
    else
      async.execute_deploy
    end
  end

  def rake_tasks
    @rake_tasks ||= []
  end

  def execute_deploy
    @execute_deploy = true
    debug("invocation chain #{@job_id} is : #{@rake_tasks.inspect}") if debug_enabled? && CapistranoMulticonfigParallel.show_task_progress
    if !defined?(@child_process) || @child_process.nil?
      @child_process = CapistranoMulticonfigParallel::ChildProcess.new
      Actor.current.link @child_process
    else
      @client.unsubscribe("rake_worker_#{@job_id}_count")
      @child_process.exit_status = nil
    end
    setup_task_arguments
    debug("worker #{@job_id} executes: bundle exec multi_cap #{@task_argv.join(' ')}") if debug_enabled?
    @child_process.async.work("bundle exec multi_cap #{@task_argv.join(' ')}", actor: Actor.current, silent: true)
  end

  def on_close(code, reason)
    debug("worker #{@job_id} websocket connection closed: #{code.inspect}, #{reason.inspect}") if debug_enabled?
  end

  def handle_subscription(message)
    if message_is_about_a_task?(message)
      save_tasks_to_be_executed(message)
      update_machine_state(message['task']) # if message['action'] == 'invoke'
      debug("worker #{@job_id} state is #{@machine.state}") if debug_enabled?
      task_approval(message)
    else
      debug("worker #{@job_id} could not handle  #{message}") if debug_enabled?
    end
  end

  def message_is_about_a_task?(message)
    message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['task'].present?
  end

  def task_approval(message)
    if @task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      @manager_condition[message['task']].call(message['task'])
    else
      publish_rake_event(message.merge('approved' => 'yes'))
    end
  end

  def save_tasks_to_be_executed(message)
    return unless message['action'] == 'count'
    debug("worler #{@job_id} current invocation chain : #{@rake_tasks.inspect}") if debug_enabled?
    @rake_tasks = [] if @rake_tasks.blank?
    @rake_tasks << message['task'] if @rake_tasks.last != message['task']
  end

  def update_machine_state(name)
    debug("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}") if debug_enabled?
    @machine.transitions.on(name.to_s, @machine.state => name.to_s)
    @machine.go_to_transition(name.to_s)
    raise(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed, "task #{@action} failed ") if name == 'deploy:failed' # force worker to rollback
  end

  def setup_command_line(*options)
    @task_argv = []
    options.each do |option|
      @task_argv << option
    end
    @task_argv
  end

  def setup_task_arguments
    #   stage = "#{@app_name}:#{@env_name} #{@action_name}"
    stage = @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
    array_options = ["#{stage}"]
    array_options << "#{@action_name}[#{@task_arguments.join(',')}]"
    @env_options.each do |key, value|
      array_options << "#{key}=#{value}" if value.present?
    end
    array_options << '--trace' if debug_enabled?
    setup_command_line(*array_options)
  end

  def send_msg(channel, message = nil)
    publish channel, message.present? && message.is_a?(Hash) ? { job_id: @job_id }.merge(message) : { job_id: @job_id, time: Time.now }
  end

  def process_job(job)
    @job_id = job['id']
    @app_name = job['app']
    @env_name = job['env']
    @action_name = job['action']
    @env_options = {}
    job['env_options'].each do |key, value|
      @env_options[key] = value if value.present?
    end
    @task_arguments = job['task_arguments']
  end

  def need_confirmation_for_tasks?
    executes_deploy? && CapistranoMulticonfigParallel.configuration.task_confirmation_active
  end

  def executes_deploy?
    (@action_name == 'deploy' || @action_name == 'deploy:rollback')
  end

  def setup_worker_condition
    job_termination_condition = Celluloid::Condition.new
    job_confirmation_conditions = []
    CapistranoMulticonfigParallel.configuration.task_confirmations.each do |_task|
      if need_confirmation_for_tasks?
        job_confirmation_conditions << Celluloid::Condition.new
      else
        job_confirmation_conditions << proc { |sum| sum }
      end
    end
    @manager.job_to_condition[@job_id] = { first_condition: job_confirmation_conditions, last_condition: job_termination_condition }
    construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
  end

  def construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
    hash_conditions = {}
    CapistranoMulticonfigParallel.configuration.task_confirmations.each_with_index do |task, index|
      blk = lambda do |sum|
        need_confirmation_for_tasks? ? job_confirmation_conditions[index].signal(sum) : job_confirmation_conditions[index].call(sum)
      end
      hash_conditions[task] = blk
    end
    blk_termination = lambda do |sum|
      job_termination_condition.signal(sum)
    end
    @manager_condition = hash_conditions
    @last_manager_condition = blk_termination
  end

  def crashed?
    @action_name == 'deploy:rollback'
  end

  def notify_finished(exit_status)
    return unless @execute_deploy
    if exit_status.exitstatus != 0
      debug("worker #{job_id} tries to terminate")
      terminate
    else
      update_machine_state('FINISHED')
      debug("worker #{job_id} notifies manager has finished")
      @last_manager_condition.call('yes')
    end
  end
end

#job_id ⇒ Object

Returns the value of attribute job_id.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def job_id
  @job_id
end

#last_manager_condition ⇒ Object

Returns the value of attribute last_manager_condition.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def last_manager_condition
  @last_manager_condition
end

#machine ⇒ Object

Returns the value of attribute machine.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def machine
  @machine
end

#manager ⇒ CapistranoMulticonfigParallel::CelluloidManager

Returns the instance of the manager that delegated the job to this worker.

Returns:



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 19

class CelluloidWorker
  include Celluloid
  include Celluloid::Notifications
  include Celluloid::Logger
  class TaskFailed < StandardError; end

  attr_accessor :job, :manager, :job_id, :app_name, :env_name, :action_name, :env_options, :machine, :client, :task_argv, :execute_deploy, :executed_dry_run,
                :rake_tasks, :current_task_number, # tracking tasks
                :successfull_subscription, :subscription_channel, :publisher_channel, # for subscriptions and publishing events
                :task_confirmations, :manager_condition, :last_manager_condition # for task conifirmations from manager

  def work(job, manager)
    @job = job
    @manager = manager

    process_job(job) if job.present?
    debug("worker #{@job_id} received #{job.inspect}") if debug_enabled?
    @subscription_channel = "worker_#{@job_id}"
    @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
    setup_worker_condition
    manager.register_worker_for_job(job, Actor.current)
  end

  def debug_enabled?
    @manager.class.debug_enabled?
  end

  def start_task
    debug("exec worker #{@job_id} starts task with #{@job.inspect}") if debug_enabled?
    @task_confirmations = CapistranoMulticonfigParallel.configuration.task_confirmations
    @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: @manager.class.debug_websocket?) do |ws|
      ws.subscribe(@subscription_channel)
    end
  end

  def publish_rake_event(data)
    @client.publish(rake_actor_id(data), data)
  end

  def rake_actor_id(data)
    data['action'].present? && data['action'] == 'count' ? "rake_worker_#{@job_id}_count" : "rake_worker_#{@job_id}"
  end

  def on_message(message)
    debug("worker #{@job_id} received:  #{message.inspect}") if debug_enabled?
    if @client.succesfull_subscription?(message)
      @successfull_subscription = true
      execute_after_succesfull_subscription
    else
      handle_subscription(message)
    end
  end

  def execute_after_succesfull_subscription
    setup_task_arguments
    if (@action_name == 'deploy' || @action_name == 'deploy:rollback') && CapistranoMulticonfigParallel.show_task_progress
      @executed_dry_run = true
      @rake_tasks = []
      @task_argv << '--dry-run'
      @task_argv << 'count_rake=true'
      @child_process = CapistranoMulticonfigParallel::ChildProcess.new
      Actor.current.link @child_process
      debug("worker #{@job_id} executes: bundle exec multi_cap #{@task_argv.join(' ')}") if debug_enabled?
      @child_process.async.work("bundle exec multi_cap #{@task_argv.join(' ')}", actor: Actor.current, dry_run: true)
    else
      async.execute_deploy
    end
  end

  def rake_tasks
    @rake_tasks ||= []
  end

  def execute_deploy
    @execute_deploy = true
    debug("invocation chain #{@job_id} is : #{@rake_tasks.inspect}") if debug_enabled? && CapistranoMulticonfigParallel.show_task_progress
    if !defined?(@child_process) || @child_process.nil?
      @child_process = CapistranoMulticonfigParallel::ChildProcess.new
      Actor.current.link @child_process
    else
      @client.unsubscribe("rake_worker_#{@job_id}_count")
      @child_process.exit_status = nil
    end
    setup_task_arguments
    debug("worker #{@job_id} executes: bundle exec multi_cap #{@task_argv.join(' ')}") if debug_enabled?
    @child_process.async.work("bundle exec multi_cap #{@task_argv.join(' ')}", actor: Actor.current, silent: true)
  end

  def on_close(code, reason)
    debug("worker #{@job_id} websocket connection closed: #{code.inspect}, #{reason.inspect}") if debug_enabled?
  end

  def handle_subscription(message)
    if message_is_about_a_task?(message)
      save_tasks_to_be_executed(message)
      update_machine_state(message['task']) # if message['action'] == 'invoke'
      debug("worker #{@job_id} state is #{@machine.state}") if debug_enabled?
      task_approval(message)
    else
      debug("worker #{@job_id} could not handle  #{message}") if debug_enabled?
    end
  end

  def message_is_about_a_task?(message)
    message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['task'].present?
  end

  def task_approval(message)
    if @task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      @manager_condition[message['task']].call(message['task'])
    else
      publish_rake_event(message.merge('approved' => 'yes'))
    end
  end

  def save_tasks_to_be_executed(message)
    return unless message['action'] == 'count'
    debug("worler #{@job_id} current invocation chain : #{@rake_tasks.inspect}") if debug_enabled?
    @rake_tasks = [] if @rake_tasks.blank?
    @rake_tasks << message['task'] if @rake_tasks.last != message['task']
  end

  def update_machine_state(name)
    debug("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}") if debug_enabled?
    @machine.transitions.on(name.to_s, @machine.state => name.to_s)
    @machine.go_to_transition(name.to_s)
    raise(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed, "task #{@action} failed ") if name == 'deploy:failed' # force worker to rollback
  end

  def setup_command_line(*options)
    @task_argv = []
    options.each do |option|
      @task_argv << option
    end
    @task_argv
  end

  def setup_task_arguments
    #   stage = "#{@app_name}:#{@env_name} #{@action_name}"
    stage = @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
    array_options = ["#{stage}"]
    array_options << "#{@action_name}[#{@task_arguments.join(',')}]"
    @env_options.each do |key, value|
      array_options << "#{key}=#{value}" if value.present?
    end
    array_options << '--trace' if debug_enabled?
    setup_command_line(*array_options)
  end

  def send_msg(channel, message = nil)
    publish channel, message.present? && message.is_a?(Hash) ? { job_id: @job_id }.merge(message) : { job_id: @job_id, time: Time.now }
  end

  def process_job(job)
    @job_id = job['id']
    @app_name = job['app']
    @env_name = job['env']
    @action_name = job['action']
    @env_options = {}
    job['env_options'].each do |key, value|
      @env_options[key] = value if value.present?
    end
    @task_arguments = job['task_arguments']
  end

  def need_confirmation_for_tasks?
    executes_deploy? && CapistranoMulticonfigParallel.configuration.task_confirmation_active
  end

  def executes_deploy?
    (@action_name == 'deploy' || @action_name == 'deploy:rollback')
  end

  def setup_worker_condition
    job_termination_condition = Celluloid::Condition.new
    job_confirmation_conditions = []
    CapistranoMulticonfigParallel.configuration.task_confirmations.each do |_task|
      if need_confirmation_for_tasks?
        job_confirmation_conditions << Celluloid::Condition.new
      else
        job_confirmation_conditions << proc { |sum| sum }
      end
    end
    @manager.job_to_condition[@job_id] = { first_condition: job_confirmation_conditions, last_condition: job_termination_condition }
    construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
  end

  def construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
    hash_conditions = {}
    CapistranoMulticonfigParallel.configuration.task_confirmations.each_with_index do |task, index|
      blk = lambda do |sum|
        need_confirmation_for_tasks? ? job_confirmation_conditions[index].signal(sum) : job_confirmation_conditions[index].call(sum)
      end
      hash_conditions[task] = blk
    end
    blk_termination = lambda do |sum|
      job_termination_condition.signal(sum)
    end
    @manager_condition = hash_conditions
    @last_manager_condition = blk_termination
  end

  def crashed?
    @action_name == 'deploy:rollback'
  end

  def notify_finished(exit_status)
    return unless @execute_deploy
    if exit_status.exitstatus != 0
      debug("worker #{job_id} tries to terminate")
      terminate
    else
      update_machine_state('FINISHED')
      debug("worker #{job_id} notifies manager has finished")
      @last_manager_condition.call('yes')
    end
  end
end

#manager_condition ⇒ Object

Returns the value of attribute manager_condition.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def manager_condition
  @manager_condition
end

#publisher_channel ⇒ Object

Returns the value of attribute publisher_channel.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def publisher_channel
  @publisher_channel
end

#rake_tasks ⇒ Object

Returns the value of attribute rake_tasks.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def rake_tasks
  @rake_tasks
end

#subscription_channel ⇒ Object

Returns the value of attribute subscription_channel.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def subscription_channel
  @subscription_channel
end

#successfull_subscription ⇒ Object

Returns the value of attribute successfull_subscription.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def successfull_subscription
  @successfull_subscription
end

#task_argv ⇒ Object

Returns the value of attribute task_argv.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def task_argv
  @task_argv
end

#task_confirmations ⇒ Object

Returns the value of attribute task_confirmations.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 25

def task_confirmations
  @task_confirmations
end

Instance Method Details

#construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 206

def construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
  hash_conditions = {}
  CapistranoMulticonfigParallel.configuration.task_confirmations.each_with_index do |task, index|
    blk = lambda do |sum|
      need_confirmation_for_tasks? ? job_confirmation_conditions[index].signal(sum) : job_confirmation_conditions[index].call(sum)
    end
    hash_conditions[task] = blk
  end
  blk_termination = lambda do |sum|
    job_termination_condition.signal(sum)
  end
  @manager_condition = hash_conditions
  @last_manager_condition = blk_termination
end

#crashed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 221

def crashed?
  @action_name == 'deploy:rollback'
end

#debug_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 42

def debug_enabled?
  @manager.class.debug_enabled?
end

#execute_after_succesfull_subscription ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 72

def execute_after_succesfull_subscription
  setup_task_arguments
  if (@action_name == 'deploy' || @action_name == 'deploy:rollback') && CapistranoMulticonfigParallel.show_task_progress
    @executed_dry_run = true
    @rake_tasks = []
    @task_argv << '--dry-run'
    @task_argv << 'count_rake=true'
    @child_process = CapistranoMulticonfigParallel::ChildProcess.new
    Actor.current.link @child_process
    debug("worker #{@job_id} executes: bundle exec multi_cap #{@task_argv.join(' ')}") if debug_enabled?
    @child_process.async.work("bundle exec multi_cap #{@task_argv.join(' ')}", actor: Actor.current, dry_run: true)
  else
    async.execute_deploy
  end
end

#executes_deploy? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 188

def executes_deploy?
  (@action_name == 'deploy' || @action_name == 'deploy:rollback')
end

#handle_subscription(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 111

def handle_subscription(message)
  if message_is_about_a_task?(message)
    save_tasks_to_be_executed(message)
    update_machine_state(message['task']) # if message['action'] == 'invoke'
    debug("worker #{@job_id} state is #{@machine.state}") if debug_enabled?
    task_approval(message)
  else
    debug("worker #{@job_id} could not handle  #{message}") if debug_enabled?
  end
end

#message_is_about_a_task?(message) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 122

def message_is_about_a_task?(message)
  message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['task'].present?
end

#need_confirmation_for_tasks? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 184

def need_confirmation_for_tasks?
  executes_deploy? && CapistranoMulticonfigParallel.configuration.task_confirmation_active
end

#notify_finished(exit_status) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 225

def notify_finished(exit_status)
  return unless @execute_deploy
  if exit_status.exitstatus != 0
    debug("worker #{job_id} tries to terminate")
    terminate
  else
    update_machine_state('FINISHED')
    debug("worker #{job_id} notifies manager has finished")
    @last_manager_condition.call('yes')
  end
end

#on_close(code, reason) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 107

def on_close(code, reason)
  debug("worker #{@job_id} websocket connection closed: #{code.inspect}, #{reason.inspect}") if debug_enabled?
end

#on_message(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 62

def on_message(message)
  debug("worker #{@job_id} received:  #{message.inspect}") if debug_enabled?
  if @client.succesfull_subscription?(message)
    @successfull_subscription = true
    execute_after_succesfull_subscription
  else
    handle_subscription(message)
  end
end

#process_job(job) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 172

def process_job(job)
  @job_id = job['id']
  @app_name = job['app']
  @env_name = job['env']
  @action_name = job['action']
  @env_options = {}
  job['env_options'].each do |key, value|
    @env_options[key] = value if value.present?
  end
  @task_arguments = job['task_arguments']
end

#publish_rake_event(data) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 54

def publish_rake_event(data)
  @client.publish(rake_actor_id(data), data)
end

#rake_actor_id(data) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 58

def rake_actor_id(data)
  data['action'].present? && data['action'] == 'count' ? "rake_worker_#{@job_id}_count" : "rake_worker_#{@job_id}"
end

#save_tasks_to_be_executed(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 134

def save_tasks_to_be_executed(message)
  return unless message['action'] == 'count'
  debug("worler #{@job_id} current invocation chain : #{@rake_tasks.inspect}") if debug_enabled?
  @rake_tasks = [] if @rake_tasks.blank?
  @rake_tasks << message['task'] if @rake_tasks.last != message['task']
end

#send_msg(channel, message = nil) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 168

def send_msg(channel, message = nil)
  publish channel, message.present? && message.is_a?(Hash) ? { job_id: @job_id }.merge(message) : { job_id: @job_id, time: Time.now }
end

#setup_command_line(*options) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 148

def setup_command_line(*options)
  @task_argv = []
  options.each do |option|
    @task_argv << option
  end
  @task_argv
end

#setup_task_arguments ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 156

def setup_task_arguments
  #   stage = "#{@app_name}:#{@env_name} #{@action_name}"
  stage = @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
  array_options = ["#{stage}"]
  array_options << "#{@action_name}[#{@task_arguments.join(',')}]"
  @env_options.each do |key, value|
    array_options << "#{key}=#{value}" if value.present?
  end
  array_options << '--trace' if debug_enabled?
  setup_command_line(*array_options)
end

#setup_worker_condition ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 192

def setup_worker_condition
  job_termination_condition = Celluloid::Condition.new
  job_confirmation_conditions = []
  CapistranoMulticonfigParallel.configuration.task_confirmations.each do |_task|
    if need_confirmation_for_tasks?
      job_confirmation_conditions << Celluloid::Condition.new
    else
      job_confirmation_conditions << proc { |sum| sum }
    end
  end
  @manager.job_to_condition[@job_id] = { first_condition: job_confirmation_conditions, last_condition: job_termination_condition }
  construct_blocks_for_conditions(job_confirmation_conditions, job_termination_condition)
end

#start_task ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 46

def start_task
  debug("exec worker #{@job_id} starts task with #{@job.inspect}") if debug_enabled?
  @task_confirmations = CapistranoMulticonfigParallel.configuration.task_confirmations
  @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: @manager.class.debug_websocket?) do |ws|
    ws.subscribe(@subscription_channel)
  end
end

#task_approval(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 126

def task_approval(message)
  if @task_confirmations.include?(message['task']) && message['action'] == 'invoke'
    @manager_condition[message['task']].call(message['task'])
  else
    publish_rake_event(message.merge('approved' => 'yes'))
  end
end

#update_machine_state(name) ⇒ Object

Raises:



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 141

def update_machine_state(name)
  debug("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}") if debug_enabled?
  @machine.transitions.on(name.to_s, @machine.state => name.to_s)
  @machine.go_to_transition(name.to_s)
  raise(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed, "task #{@action} failed ") if name == 'deploy:failed' # force worker to rollback
end

#work(job, manager) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 30

def work(job, manager)
  @job = job
  @manager = manager

  process_job(job) if job.present?
  debug("worker #{@job_id} received #{job.inspect}") if debug_enabled?
  @subscription_channel = "worker_#{@job_id}"
  @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
  setup_worker_condition
  manager.register_worker_for_job(job, Actor.current)
end