vanity-monkey-patch.rb

# Put in environment.rb to force Vanity to make a new connection to Redis
# to play nice with Passenger's smart forking. 

# monkey patch vanity to force new redis connection when Passenger forks
if defined?(PhusionPassenger) 
  
  class Vanity::Playground 
    def reconnect_redis 
      @redis = nil
      # Need to remove method or unable to force a reconnect because it
      # hits the method, not the variable.
      class << self ; self ; end.send(:remove_method, :redis)
      redis # Make a new connectiont to redis
    end 
  end
  
  PhusionPassenger.on_event(:starting_worker_process) do |forked| 
    if forked 
      # We’re in smart spawning mode.
      begin
        Vanity.playground.reconnect_redis 
      rescue Exception => e
        RAILS_DEFAULT_LOGGER.error "Error connecting to redis: #{e.to_s}" 
      end
    end 
  end 
end