Class: CapistranoMulticonfigParallel::CelluloidWorker

Inherits:
Object
  • Object
show all
Includes:
ApplicationHelper, 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

Methods included from ApplicationHelper

parse_task_string, strip_characters_from_string

Methods included from StagesHelper

check_stage_path, checks_paths, fetch_stages, fetch_stages_paths, sorted_paths, stages_paths

Methods included from CoreHelper

app_configuration, app_debug_enabled?, app_logger, ask_confirm, check_terminal_tty, debug_websocket?, execute_with_rescue, find_config_type, find_loaded_gem, find_worker_log, force_confirmation, format_error, log_error, log_to_file, rescue_error, rescue_interrupt, show_warning, websocket_config, websocket_server_config

Methods included from InternalHelper

config_file, custom_commands, default_internal_config, detect_root, enable_main_log_file, find_env_multi_cap_root, internal_config_directory, internal_config_file, log_directory, main_log_file, root, try_detect_capfile

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 27

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 27

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 27

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 27

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 27

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 27

def env_options
  @env_options
end

#exit_status ⇒ Object

Returns the value of attribute exit_status.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def exit_status
  @exit_status
end

#filename ⇒ Object

Returns the value of attribute filename.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def filename
  @filename
end

#invocation_chain ⇒ Object

Returns the value of attribute invocation_chain.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def invocation_chain
  @invocation_chain
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 20

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

  attr_accessor :job, :manager, :job_id, :app_name, :env_name, :action_name, :env_options, :machine, :client, :task_argv,
                :rake_tasks, :current_task_number, # tracking tasks
                :successfull_subscription, :subscription_channel, :publisher_channel, # for subscriptions and publishing events
                :job_termination_condition, :worker_state, :invocation_chain, :filename, :worker_log, :exit_status

  def work(job, manager)
    @job = job
    @job_id = job.id
    @worker_state = 'started'
    @manager = manager
    @job_confirmation_conditions = []
    log_to_file("worker #{@job_id} received #{job.inspect}")
    @subscription_channel = "worker_#{@job_id}"
    @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
    manager.register_worker_for_job(job, Actor.current)
  end

  def start_task
    @manager.setup_worker_conditions(@job)
    log_to_file("exec worker #{@job_id} starts task with #{@job.inspect}")
    @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: debug_websocket?, channel: subscription_channel)
  end

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

  def rake_actor_id(_data)
    "rake_worker_#{@job_id}"
  end

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

  def execute_after_succesfull_subscription
    async.execute_deploy
  end

  def rake_tasks
    @rake_tasks ||= []
  end

  def invocation_chain
    @invocation_chain ||= []
  end

  def execute_deploy
    log_to_file("invocation chain #{@job_id} is : #{@rake_tasks.inspect}")
    check_child_proces
    log_to_file("worker #{@job_id} executes: #{@job.build_capistrano_task}")
    @child_process.async.work(@job, @job.build_capistrano_task, actor: Actor.current, silent: true)
    @manager.wait_task_confirmations_worker(@job)
  end

  def check_child_proces
    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
  end

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

  def check_gitflow
    return if @job.stage != 'staging' || !@manager.can_tag_staging? || !executed_task?(CapistranoMulticonfigParallel::GITFLOW_TAG_STAGING_TASK)
    @manager.dispatch_new_job(@job, 'env' => 'production')
  end

  def handle_subscription(message)
    if message_is_about_a_task?(message)
      check_gitflow
      save_tasks_to_be_executed(message)
      async.update_machine_state(message['task']) # if message['action'] == 'invoke'
      log_to_file("worker #{@job_id} state is #{@machine.state}")
      task_approval(message)
    elsif message_is_for_stdout?(message)
      result = Celluloid::Actor[:terminal_server].show_confirmation(message['question'], message['default'])
      publish_rake_event(message.merge('action' => 'stdin', 'result' => result, 'client_action' => 'stdin'))
    else
      log_to_file(message, @job_id)
    end
  end

  def message_is_for_stdout?(message)
    message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['action'] == 'stdout'
  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 executed_task?(task)
    rake_tasks.present? && rake_tasks.index(task.to_s).present?
  end

  def task_approval(message)
    job_conditions = @manager.job_to_condition[@job_id]
    if job_conditions.present? && app_configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      task_confirmation = job_conditions[message['task']]
      task_confirmation[:status] = 'confirmed'
      task_confirmation[:condition].signal(message['task'])
    else
      publish_rake_event(message.merge('approved' => 'yes'))
    end
  end

  def save_tasks_to_be_executed(message)
    log_to_file("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}")
    rake_tasks << message['task'] if rake_tasks.last != message['task']
    invocation_chain << message['task'] if invocation_chain.last != message['task']
  end

  def update_machine_state(name)
    log_to_file("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}")
    @machine.transitions.on(name.to_s, @machine.state => name.to_s)
    @machine.go_to_transition(name.to_s)
    abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("task #{@action} failed ")) if name == 'deploy:failed' # force worker to rollback
  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 finish_worker
    @manager.mark_completed_remaining_tasks(@job)
    @job.status = 'finished'
    @manager.workers_terminated.signal('completed') if @manager.alive? && @manager.all_workers_finished?
  end

  def notify_finished(exit_status)
    if exit_status != 0
      log_to_file("worker #{job_id} tries to terminate")
      abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("task  failed with exit status #{exit_status.inspect} ")) # force worker to rollback
    else
      async.update_machine_state('FINISHED')
      log_to_file("worker #{job_id} notifies manager has finished")
      async.finish_worker
    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 27

def job_id
  @job_id
end

#job_termination_condition ⇒ Object

Returns the value of attribute job_termination_condition.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def job_termination_condition
  @job_termination_condition
end

#machine ⇒ Object

Returns the value of attribute machine.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

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 20

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

  attr_accessor :job, :manager, :job_id, :app_name, :env_name, :action_name, :env_options, :machine, :client, :task_argv,
                :rake_tasks, :current_task_number, # tracking tasks
                :successfull_subscription, :subscription_channel, :publisher_channel, # for subscriptions and publishing events
                :job_termination_condition, :worker_state, :invocation_chain, :filename, :worker_log, :exit_status

  def work(job, manager)
    @job = job
    @job_id = job.id
    @worker_state = 'started'
    @manager = manager
    @job_confirmation_conditions = []
    log_to_file("worker #{@job_id} received #{job.inspect}")
    @subscription_channel = "worker_#{@job_id}"
    @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
    manager.register_worker_for_job(job, Actor.current)
  end

  def start_task
    @manager.setup_worker_conditions(@job)
    log_to_file("exec worker #{@job_id} starts task with #{@job.inspect}")
    @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: debug_websocket?, channel: subscription_channel)
  end

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

  def rake_actor_id(_data)
    "rake_worker_#{@job_id}"
  end

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

  def execute_after_succesfull_subscription
    async.execute_deploy
  end

  def rake_tasks
    @rake_tasks ||= []
  end

  def invocation_chain
    @invocation_chain ||= []
  end

  def execute_deploy
    log_to_file("invocation chain #{@job_id} is : #{@rake_tasks.inspect}")
    check_child_proces
    log_to_file("worker #{@job_id} executes: #{@job.build_capistrano_task}")
    @child_process.async.work(@job, @job.build_capistrano_task, actor: Actor.current, silent: true)
    @manager.wait_task_confirmations_worker(@job)
  end

  def check_child_proces
    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
  end

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

  def check_gitflow
    return if @job.stage != 'staging' || !@manager.can_tag_staging? || !executed_task?(CapistranoMulticonfigParallel::GITFLOW_TAG_STAGING_TASK)
    @manager.dispatch_new_job(@job, 'env' => 'production')
  end

  def handle_subscription(message)
    if message_is_about_a_task?(message)
      check_gitflow
      save_tasks_to_be_executed(message)
      async.update_machine_state(message['task']) # if message['action'] == 'invoke'
      log_to_file("worker #{@job_id} state is #{@machine.state}")
      task_approval(message)
    elsif message_is_for_stdout?(message)
      result = Celluloid::Actor[:terminal_server].show_confirmation(message['question'], message['default'])
      publish_rake_event(message.merge('action' => 'stdin', 'result' => result, 'client_action' => 'stdin'))
    else
      log_to_file(message, @job_id)
    end
  end

  def message_is_for_stdout?(message)
    message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['action'] == 'stdout'
  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 executed_task?(task)
    rake_tasks.present? && rake_tasks.index(task.to_s).present?
  end

  def task_approval(message)
    job_conditions = @manager.job_to_condition[@job_id]
    if job_conditions.present? && app_configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      task_confirmation = job_conditions[message['task']]
      task_confirmation[:status] = 'confirmed'
      task_confirmation[:condition].signal(message['task'])
    else
      publish_rake_event(message.merge('approved' => 'yes'))
    end
  end

  def save_tasks_to_be_executed(message)
    log_to_file("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}")
    rake_tasks << message['task'] if rake_tasks.last != message['task']
    invocation_chain << message['task'] if invocation_chain.last != message['task']
  end

  def update_machine_state(name)
    log_to_file("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}")
    @machine.transitions.on(name.to_s, @machine.state => name.to_s)
    @machine.go_to_transition(name.to_s)
    abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("task #{@action} failed ")) if name == 'deploy:failed' # force worker to rollback
  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 finish_worker
    @manager.mark_completed_remaining_tasks(@job)
    @job.status = 'finished'
    @manager.workers_terminated.signal('completed') if @manager.alive? && @manager.all_workers_finished?
  end

  def notify_finished(exit_status)
    if exit_status != 0
      log_to_file("worker #{job_id} tries to terminate")
      abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("task  failed with exit status #{exit_status.inspect} ")) # force worker to rollback
    else
      async.update_machine_state('FINISHED')
      log_to_file("worker #{job_id} notifies manager has finished")
      async.finish_worker
    end
  end
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 27

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 27

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 27

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 27

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 27

def task_argv
  @task_argv
end

#worker_log ⇒ Object

Returns the value of attribute worker_log.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def worker_log
  @worker_log
end

#worker_state ⇒ Object

Returns the value of attribute worker_state.



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 27

def worker_state
  @worker_state
end

Instance Method Details

#check_child_proces ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 88

def check_child_proces
  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
end

#check_gitflow ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 102

def check_gitflow
  return if @job.stage != 'staging' || !@manager.can_tag_staging? || !executed_task?(CapistranoMulticonfigParallel::GITFLOW_TAG_STAGING_TASK)
  @manager.dispatch_new_job(@job, 'env' => 'production')
end

#execute_after_succesfull_subscription ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 68

def execute_after_succesfull_subscription
  async.execute_deploy
end

#execute_deploy ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 80

def execute_deploy
  log_to_file("invocation chain #{@job_id} is : #{@rake_tasks.inspect}")
  check_child_proces
  log_to_file("worker #{@job_id} executes: #{@job.build_capistrano_task}")
  @child_process.async.work(@job, @job.build_capistrano_task, actor: Actor.current, silent: true)
  @manager.wait_task_confirmations_worker(@job)
end

#executed_task?(task) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 130

def executed_task?(task)
  rake_tasks.present? && rake_tasks.index(task.to_s).present?
end

#finish_worker ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 162

def finish_worker
  @manager.mark_completed_remaining_tasks(@job)
  @job.status = 'finished'
  @manager.workers_terminated.signal('completed') if @manager.alive? && @manager.all_workers_finished?
end

#handle_subscription(message) ⇒ Object 



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

def handle_subscription(message)
  if message_is_about_a_task?(message)
    check_gitflow
    save_tasks_to_be_executed(message)
    async.update_machine_state(message['task']) # if message['action'] == 'invoke'
    log_to_file("worker #{@job_id} state is #{@machine.state}")
    task_approval(message)
  elsif message_is_for_stdout?(message)
    result = Celluloid::Actor[:terminal_server].show_confirmation(message['question'], message['default'])
    publish_rake_event(message.merge('action' => 'stdin', 'result' => result, 'client_action' => 'stdin'))
  else
    log_to_file(message, @job_id)
  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 126

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

#message_is_for_stdout?(message) ⇒ Boolean

Returns:

  • (Boolean) 


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

def message_is_for_stdout?(message)
  message.present? && message.is_a?(Hash) && message['action'].present? && message['job_id'].present? && message['action'] == 'stdout'
end

#notify_finished(exit_status) ⇒ Object 



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

def notify_finished(exit_status)
  if exit_status != 0
    log_to_file("worker #{job_id} tries to terminate")
    abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("task  failed with exit status #{exit_status.inspect} ")) # force worker to rollback
  else
    async.update_machine_state('FINISHED')
    log_to_file("worker #{job_id} notifies manager has finished")
    async.finish_worker
  end
end

#on_close(code, reason) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 98

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

#on_message(message) ⇒ Object 



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

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

#publish_rake_event(data) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 50

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 54

def rake_actor_id(_data)
  "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 145

def save_tasks_to_be_executed(message)
  log_to_file("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}")
  rake_tasks << message['task'] if rake_tasks.last != message['task']
  invocation_chain << message['task'] if invocation_chain.last != message['task']
end

#send_msg(channel, message = nil) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 158

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

#start_task ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 44

def start_task
  @manager.setup_worker_conditions(@job)
  log_to_file("exec worker #{@job_id} starts task with #{@job.inspect}")
  @client = CelluloidPubsub::Client.connect(actor: Actor.current, enable_debug: debug_websocket?, channel: subscription_channel)
end

#task_approval(message) ⇒ Object 



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

def task_approval(message)
  job_conditions = @manager.job_to_condition[@job_id]
  if job_conditions.present? && app_configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
    task_confirmation = job_conditions[message['task']]
    task_confirmation[:status] = 'confirmed'
    task_confirmation[:condition].signal(message['task'])
  else
    publish_rake_event(message.merge('approved' => 'yes'))
  end
end

#update_machine_state(name) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 151

def update_machine_state(name)
  log_to_file("worker #{@job_id} triest to transition from #{@machine.state} to  #{name}")
  @machine.transitions.on(name.to_s, @machine.state => name.to_s)
  @machine.go_to_transition(name.to_s)
  abort(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed.new("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 32

def work(job, manager)
  @job = job
  @job_id = job.id
  @worker_state = 'started'
  @manager = manager
  @job_confirmation_conditions = []
  log_to_file("worker #{@job_id} received #{job.inspect}")
  @subscription_channel = "worker_#{@job_id}"
  @machine = CapistranoMulticonfigParallel::StateMachine.new(job, Actor.current)
  manager.register_worker_for_job(job, Actor.current)
end