Method: Eye::Process::Commands#start_process

Defined in:
lib/eye/process/commands.rb

#start_process ⇒ Object 



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

def start_process
  debug 'start_process command'

  switch :starting

  unless self[:start_command]
    warn 'no :start_command found, unmonitoring'
    switch :unmonitoring, Eye::Reason.new(:no_start_command)
    return :no_start_command
  end

  result = self[:daemonize] ? daemonize_process : execute_process

  if !result[:error]
    debug "process <#{self.pid}> started successfully"
    switch :started
  else
    error "process <#{self.pid}> failed to start (#{result[:error].inspect})"

    if process_really_running?
      warn "killing <#{self.pid}> due to error"
      send_signal(:KILL)
      sleep 0.2 # little grace
    end

    self.pid = nil
    switch :crashed
  end

  result

rescue StateMachine::InvalidTransition, Eye::Process::StateError => e
  warn "wrong switch '#{e.message}'"

  :state_error
end