Module: Eye::Process::Config

Included in:
ChildProcess, Eye::Process
Defined in:
lib/eye/process/config.rb

Constant Summary collapse

DEFAULTS = 
{
  :keep_alive => true, # restart when crashed
  :check_alive_period => 5.seconds,

  :start_timeout => 15.seconds,
  :stop_timeout => 10.seconds,
  :restart_timeout => 10.seconds,

  :start_grace => 2.5.seconds,
  :stop_grace => 0.5.seconds,
  :restart_grace => 1.second,

  :daemonize => false,
  :auto_start => true, # auto start on monitor action

  :children_update_period => 30.seconds,
  :clear_pid => true, # by default clear pid on stop

  :auto_update_pidfile_grace => 30.seconds,
  :revert_fuckup_pidfile_grace => 120.seconds,
}

Instance Method Summary collapse

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/eye/process/config.rb', line 51

def [](name)
  @config[name]
end

#c(name) ⇒ Object 



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# File 'lib/eye/process/config.rb', line 47

def c(name)
  @config[name]
end

#control_pid? ⇒ Boolean

is pid_file under Eye::Process control, or not

Returns:

  • (Boolean) 


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# File 'lib/eye/process/config.rb', line 77

def control_pid?
  !!self[:daemonize]
end

#prepare_config(new_config) ⇒ Object 



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

def prepare_config(new_config)
  h = DEFAULTS.merge(new_config)
  h[:pid_file_ex] = Eye::System.normalized_file(h[:pid_file], h[:working_dir]) if h[:pid_file]
  h[:checks] = {} if h[:checks].blank?
  h[:triggers] = {} if h[:triggers].blank?
  h[:children_update_period] = h[:monitor_children][:children_update_period] if h[:monitor_children] && h[:monitor_children][:children_update_period]

  # check speedy flapping by default
  if h[:triggers].blank? || !h[:triggers][:flapping]
    h[:triggers] ||= {}
    h[:triggers][:flapping] = {:type => :flapping, :times => 10, :within => 10.seconds}
  end

  h[:stdout] = Eye::System.normalized_file(h[:stdout], h[:working_dir]) if h[:stdout]
  h[:stderr] = Eye::System.normalized_file(h[:stderr], h[:working_dir]) if h[:stderr]
  h[:stdall] = Eye::System.normalized_file(h[:stdall], h[:working_dir]) if h[:stdall]

  h[:environment] = Eye::System.prepare_env(h)

  h
end

#update_config(new_config = {}) ⇒ Object 



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# File 'lib/eye/process/config.rb', line 55

def update_config(new_config = {})
  new_config = prepare_config(new_config)
  @config = new_config
  @full_name = nil
  @logger = nil

  debug { "updating config to: #{@config.inspect}" }

  remove_triggers
  add_triggers

  if up?
    # rebuild checks for this process
    remove_watchers
    remove_children

    add_watchers
    add_children
  end
end