Module: BlueGreenWorkers

Defined in:
lib/blue_green_workers.rb,
lib/blue_green_workers/config.rb,
lib/blue_green_workers/version.rb

Overview

Main module for blue_green_workers

Defined Under Namespace

Classes: Config

Constant Summary collapse

VERSION = 
'0.4.1'

Class Method Summary collapse

Class Method Details

.activate ⇒ Object

private



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# File 'lib/blue_green_workers.rb', line 43

def self.activate
  logger.info 'BlueGreenWorkers cluster activating!'
  config.activate_block&.call
end

.active_cluster ⇒ Object 



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# File 'lib/blue_green_workers.rb', line 9

def self.active_cluster
  if config.refresh_interval.positive?
    @active_cluster
  else
    determine_active_cluster
  end
end

.configure {|config| ... } ⇒ Object

Yields:

  • (config) 


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# File 'lib/blue_green_workers.rb', line 17

def self.configure
  yield config
  determine_active_cluster
  (config.refresh_interval || 0).positive? && start_refresh_thread
  config.validate
end

.deactivate ⇒ Object 



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# File 'lib/blue_green_workers.rb', line 48

def self.deactivate
  logger.info 'BlueGreenWorkers cluster deactivating!'
  config.deactivate_block&.call
end

.shutdown ⇒ Object 



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# File 'lib/blue_green_workers.rb', line 34

def self.shutdown
  logger.warn 'Shutting down BlueGreenWotkers!'
  @refresh_thread&.kill
  @active_cluster = nil
  @refresh_thread = nil
  @config = nil
end

.when_active(opts = {}) ⇒ Object 



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# File 'lib/blue_green_workers.rb', line 24

def self.when_active(opts = {})
  if config.active_cluster_block.call == config.cluster_name
    yield
  else
    logger.debug 'Cluster not active, skipping BlueGreenWorkers#when_active'
    opts[:delay] && sleep(opts[:delay])
    opts[:return]
  end
end