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

#dry_run_tasks ⇒ Object

Returns the value of attribute dry_run_tasks.



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

def dry_run_tasks
  @dry_run_tasks
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

#executing_dry_run ⇒ Object

Returns the value of attribute executing_dry_run.



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

def executing_dry_run
  @executing_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
                :job_termination_condition, :worker_state, :executing_dry_run, :job_argv, :dry_run_tasks

  def work(job, manager)
    @job = job
    @worker_state = 'started'
    @executing_dry_run = nil
    @manager = manager
    @job_confirmation_conditions = []
    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)
    manager.register_worker_for_job(job, Actor.current)
  end

  def debug_enabled?
    @manager.class.debug_enabled?
  end

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

  def rake_tasks
    @rake_tasks ||= []
  end

  def dry_run_tasks
       @dry_run_tasks ||= []
  end

  def cd_working_directory
    "cd #{CapistranoMulticonfigParallel.detect_root}"
  end

  def generate_command
    <<-CMD
         #{cd_working_directory} && RAILS_ENV=#{@env_name} bundle exec multi_cap #{@task_argv.join(' ')}
    CMD
  end

  def execute_deploy
    @execute_deploy = true
    debug("invocation chain #{@job_id} is : #{@rake_tasks.inspect}") if debug_enabled?
    check_child_proces
    setup_task_arguments
    debug("worker #{@job_id} executes: #{generate_command}") if debug_enabled?
    @child_process.async.work(generate_command, actor: Actor.current, silent: true)
    @manager.wait_task_confirmations_worker(Actor.current)
  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)
    debug("worker #{@job_id} websocket connection closed: #{code.inspect}, #{reason.inspect}") if debug_enabled?
  end

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

  def handle_subscription(message)
      @executing_dry_run = message['action'] == 'count' ? true : false
      @manager.jobs[@job_id]['job_argv'] = @job_argv
    if message_is_about_a_task?(message)
      check_gitflow
      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)
    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
      debug("worker #{@job_id} could not handle  #{message}") if debug_enabled?
    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)
    if @manager.apply_confirmations? && CapistranoMulticonfigParallel.configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      task_confirmation = @manager.job_to_condition[@job_id][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)
    debug("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}") if debug_enabled?
    rake_tasks << message['task'] if rake_tasks.last != message['task']
    dry_run_tasks << message['task'] if dry_running? &&  dry_run_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 dry_run_command
    '--dry-run'
  end

  def dry_running?
    @task_argv.include?(dry_run_command) == true
  end

  def worker_stage
    @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
  end

  def worker_action
     "#{@action_name}[#{@task_arguments.join(',')}]"
  end

  def setup_task_arguments(*args)
    #   stage = "#{@app_name}:#{@env_name} #{@action_name}"
    array_options = []
    @env_options.each do |key, value|
      array_options << "#{key}=#{value}" if value.present?
      end
    array_options << '--trace' if debug_enabled?
    args.each do |arg|
      array_options << arg
    end
    @job_argv= array_options.clone
    array_options.unshift("#{worker_action}")
     array_options.unshift("#{worker_stage}")
    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)
    processed_job = @manager.process_job(job)
    @job_id = processed_job['job_id']
    @app_name = processed_job['app_name']
    @env_name = processed_job['env_name']
    @action_name = processed_job['action_name']
    @env_options = processed_job['env_options']
    @task_arguments = processed_job['task_arguments']
  end

  def crashed?
    @action_name == 'deploy:rollback' || @action_name == 'deploy:failed' || @manager.job_failed?(@job)
  end

  def finish_worker
    @manager.mark_completed_remaining_tasks(Actor.current)
    @manager.jobs[@job_id]['worker_action'] = 'finished'
    @manager.workers_terminated.signal('completed')  if @manager.all_workers_finished?
  end

  def worker_finshed?
     @manager.jobs[@job_id]['worker_action'] == 'finished'
  end

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

#job_argv ⇒ Object

Returns the value of attribute job_argv.



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

def job_argv
  @job_argv
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

#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 25

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 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
                :job_termination_condition, :worker_state, :executing_dry_run, :job_argv, :dry_run_tasks

  def work(job, manager)
    @job = job
    @worker_state = 'started'
    @executing_dry_run = nil
    @manager = manager
    @job_confirmation_conditions = []
    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)
    manager.register_worker_for_job(job, Actor.current)
  end

  def debug_enabled?
    @manager.class.debug_enabled?
  end

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

  def rake_tasks
    @rake_tasks ||= []
  end

  def dry_run_tasks
       @dry_run_tasks ||= []
  end

  def cd_working_directory
    "cd #{CapistranoMulticonfigParallel.detect_root}"
  end

  def generate_command
    <<-CMD
         #{cd_working_directory} && RAILS_ENV=#{@env_name} bundle exec multi_cap #{@task_argv.join(' ')}
    CMD
  end

  def execute_deploy
    @execute_deploy = true
    debug("invocation chain #{@job_id} is : #{@rake_tasks.inspect}") if debug_enabled?
    check_child_proces
    setup_task_arguments
    debug("worker #{@job_id} executes: #{generate_command}") if debug_enabled?
    @child_process.async.work(generate_command, actor: Actor.current, silent: true)
    @manager.wait_task_confirmations_worker(Actor.current)
  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)
    debug("worker #{@job_id} websocket connection closed: #{code.inspect}, #{reason.inspect}") if debug_enabled?
  end

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

  def handle_subscription(message)
      @executing_dry_run = message['action'] == 'count' ? true : false
      @manager.jobs[@job_id]['job_argv'] = @job_argv
    if message_is_about_a_task?(message)
      check_gitflow
      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)
    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
      debug("worker #{@job_id} could not handle  #{message}") if debug_enabled?
    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)
    if @manager.apply_confirmations? && CapistranoMulticonfigParallel.configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
      task_confirmation = @manager.job_to_condition[@job_id][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)
    debug("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}") if debug_enabled?
    rake_tasks << message['task'] if rake_tasks.last != message['task']
    dry_run_tasks << message['task'] if dry_running? &&  dry_run_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 dry_run_command
    '--dry-run'
  end

  def dry_running?
    @task_argv.include?(dry_run_command) == true
  end

  def worker_stage
    @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
  end

  def worker_action
     "#{@action_name}[#{@task_arguments.join(',')}]"
  end

  def setup_task_arguments(*args)
    #   stage = "#{@app_name}:#{@env_name} #{@action_name}"
    array_options = []
    @env_options.each do |key, value|
      array_options << "#{key}=#{value}" if value.present?
      end
    array_options << '--trace' if debug_enabled?
    args.each do |arg|
      array_options << arg
    end
    @job_argv= array_options.clone
    array_options.unshift("#{worker_action}")
     array_options.unshift("#{worker_stage}")
    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)
    processed_job = @manager.process_job(job)
    @job_id = processed_job['job_id']
    @app_name = processed_job['app_name']
    @env_name = processed_job['env_name']
    @action_name = processed_job['action_name']
    @env_options = processed_job['env_options']
    @task_arguments = processed_job['task_arguments']
  end

  def crashed?
    @action_name == 'deploy:rollback' || @action_name == 'deploy:failed' || @manager.job_failed?(@job)
  end

  def finish_worker
    @manager.mark_completed_remaining_tasks(Actor.current)
    @manager.jobs[@job_id]['worker_action'] = 'finished'
    @manager.workers_terminated.signal('completed')  if @manager.all_workers_finished?
  end

  def worker_finshed?
     @manager.jobs[@job_id]['worker_action'] == 'finished'
  end

  def notify_finished(exit_status)
    if exit_status.exitstatus != 0
      debug("worker #{job_id} tries to terminate") if debug_enabled?
      raise(CapistranoMulticonfigParallel::CelluloidWorker::TaskFailed, "task  failed with exit status #{exit_status.inspect} ")  # force worker to rollback
    else
      update_machine_state('FINISHED')
      debug("worker #{job_id} notifies manager has finished") if debug_enabled?
      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 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

#worker_state ⇒ Object

Returns the value of attribute worker_state.



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

def worker_state
  @worker_state
end

Instance Method Details

#cd_working_directory ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 84

def cd_working_directory
  "cd #{CapistranoMulticonfigParallel.detect_root}"
end

#check_child_proces ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 104

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 118

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

#crashed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 229

def crashed?
  @action_name == 'deploy:rollback' || @action_name == 'deploy:failed' || @manager.job_failed?(@job)
end

#debug_enabled? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 43

def debug_enabled?
  @manager.class.debug_enabled?
end

#dry_run_command ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 183

def dry_run_command
  '--dry-run'
end

#dry_running? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 187

def dry_running?
  @task_argv.include?(dry_run_command) == true
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
    async.execute_deploy
end

#executed_task?(task) ⇒ Boolean

Returns:

  • (Boolean) 


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

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 233

def finish_worker
  @manager.mark_completed_remaining_tasks(Actor.current)
  @manager.jobs[@job_id]['worker_action'] = 'finished'
  @manager.workers_terminated.signal('completed')  if @manager.all_workers_finished?
end

#generate_command ⇒ Object 



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

def generate_command
  <<-CMD
       #{cd_working_directory} && RAILS_ENV=#{@env_name} bundle exec multi_cap #{@task_argv.join(' ')}
  CMD
end

#handle_subscription(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 123

def handle_subscription(message)
    @executing_dry_run = message['action'] == 'count' ? true : false
    @manager.jobs[@job_id]['job_argv'] = @job_argv
  if message_is_about_a_task?(message)
    check_gitflow
    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)
  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
    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 144

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 140

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 243

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

#on_close(code, reason) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 114

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 219

def process_job(job)
  processed_job = @manager.process_job(job)
  @job_id = processed_job['job_id']
  @app_name = processed_job['app_name']
  @env_name = processed_job['env_name']
  @action_name = processed_job['action_name']
  @env_options = processed_job['env_options']
  @task_arguments = processed_job['task_arguments']
end

#publish_rake_event(data) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 53

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 162

def save_tasks_to_be_executed(message)
  debug("worler #{@job_id} current invocation chain : #{rake_tasks.inspect}") if debug_enabled?
  rake_tasks << message['task'] if rake_tasks.last != message['task']
  dry_run_tasks << message['task'] if dry_running? &&  dry_run_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 215

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 175

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

#setup_task_arguments(*args) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 199

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

#start_task ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 47

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

#task_approval(message) ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 152

def task_approval(message)
  if @manager.apply_confirmations? && CapistranoMulticonfigParallel.configuration.task_confirmations.include?(message['task']) && message['action'] == 'invoke'
    task_confirmation = @manager.job_to_condition[@job_id][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

Raises:



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

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
  @worker_state = 'started'
  @executing_dry_run = nil
  @manager = manager
  @job_confirmation_conditions = []
  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)
  manager.register_worker_for_job(job, Actor.current)
end

#worker_action ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 195

def worker_action
   "#{@action_name}[#{@task_arguments.join(',')}]"
end

#worker_finshed? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 239

def worker_finshed?
   @manager.jobs[@job_id]['worker_action'] == 'finished'
end

#worker_stage ⇒ Object 



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# File 'lib/capistrano_multiconfig_parallel/celluloid/celluloid_worker.rb', line 191

def worker_stage
  @app_name.present? ? "#{@app_name}:#{@env_name}" : "#{@env_name}"
end