Module: Eye::Process::Controller

Included in:
Eye::Process
Defined in:
lib/eye/process/controller.rb

Instance Method Summary collapse

Instance Method Details

#deleteObject


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# File 'lib/eye/process/controller.rb', line 56

def delete
  if self[:stop_on_delete]
    info 'process has stop_on_delete option, so sync-stop it first'
    stop
  end

  remove_watchers
  remove_children
  remove_triggers

  terminate
end

#freezeObject


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# File 'lib/eye/process/controller.rb', line 79

def freeze
  scheduler_freeze
end

#monitorObject


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# File 'lib/eye/process/controller.rb', line 38

def monitor
  if self[:auto_start]
    start
  else
    if try_update_pid_from_file
      info "process <#{self.pid}> from pid_file is already running"
      switch :already_running
    else
      warn 'process not found, unmonitoring'
      schedule :unmonitor, Eye::Reason.new(:'not found')
    end
  end
end

#restartObject


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# File 'lib/eye/process/controller.rb', line 30

def restart
  unless pid # unmonitored case
    try_update_pid_from_file
  end

  restart_process
end

#send_command(command, *args) ⇒ Object


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# File 'lib/eye/process/controller.rb', line 3

def send_command(command, *args)
  schedule command, *args, Eye::Reason::User.new(command)
end

#signal(sig = 0) ⇒ Object


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# File 'lib/eye/process/controller.rb', line 69

def signal(sig = 0)
  send_signal(sig) if self.pid
end

#startObject


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# File 'lib/eye/process/controller.rb', line 7

def start
  res = if set_pid_from_file
    if process_really_running?
      info "process <#{self.pid}> from pid_file is already running"
      switch :already_running
      :ok
    else
      info "pid_file found, but process <#{self.pid}> is down, starting..."
      start_process
    end
  else
    info 'pid_file not found, starting...'
    start_process
  end

  res
end

#stopObject


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# File 'lib/eye/process/controller.rb', line 25

def stop
  stop_process
  switch :unmonitoring
end

#unmonitorObject


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# File 'lib/eye/process/controller.rb', line 52

def unmonitor
  switch :unmonitoring
end

#user_command(name) ⇒ Object


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# File 'lib/eye/process/controller.rb', line 73

def user_command(name)
  if self[:user_commands] && c = self[:user_commands][name.to_sym]
    execute_user_command(name, c)
  end
end