Class: Bipbip::Agent

Inherits:
Object
  • Object
show all
Includes:
InterruptibleSleep
Defined in:
lib/bipbip/agent.rb

Constant Summary collapse

PLUGIN_RESPAWN_DELAY = 
5

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from InterruptibleSleep

#interrupt_sleep, #interruptible_sleep

Constructor Details

#initialize(config) ⇒ Agent

Returns a new instance of Agent.

Parameters:



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# File 'lib/bipbip/agent.rb', line 12

def initialize(config)
  @plugins = config.plugins
  @storages = config.storages
  Bipbip.logger = config.logger

  @threads = []
end

Instance Attribute Details

#plugins ⇒ Object

Returns the value of attribute plugins.



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# File 'lib/bipbip/agent.rb', line 7

def plugins
  @plugins
end

#storages ⇒ Object

Returns the value of attribute storages.



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# File 'lib/bipbip/agent.rb', line 8

def storages
  @storages
end

#threads ⇒ Object

Returns the value of attribute threads.



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# File 'lib/bipbip/agent.rb', line 9

def threads
  @threads
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/bipbip/agent.rb', line 20

def run
  Bipbip.logger.info 'Startup...'
  Bipbip.logger.warn 'No storages configured' if @storages.empty?

  raise 'No services configured' if @plugins.empty?

  @storages.each do |storage|
    @plugins.each do |plugin|
      Bipbip.logger.info "Setting up plugin #{plugin.name} for storage #{storage.name}"
      begin
        storage.setup_plugin(plugin)
      rescue => e
        Bipbip.logger.fatal "Failed to setup plugin #{plugin.name} for storage #{storage.name}: `#{e.message}`. Retrying..."
        sleep 5
        retry
      end
    end
  end

  @plugins.each do |plugin|
    Bipbip.logger.info "Starting plugin #{plugin.name} with config #{plugin.config}"
    start_plugin(plugin, @storages)
  end

  loop do
    thread = ThreadsWait.new(@threads).next_wait
    @threads.delete(thread)
    plugin = thread['plugin']

    Bipbip.logger.error "Plugin #{plugin.name} with config #{plugin.config} terminated. Restarting..."
    interruptible_sleep(PLUGIN_RESPAWN_DELAY)

    # Re-instantiate plugin to get rid of existing database-connections etc
    plugin_new = Bipbip::Plugin.factory_from_plugin(plugin)
    @plugins.delete(plugin)
    @plugins.push(plugin_new)
    start_plugin(plugin_new, @storages)
  end
end