Class: Dcmgr::Scheduler::Network::PerInstance

Inherits:
Dcmgr::Scheduler::NetworkScheduler show all
Includes:
Logger
Defined in:
lib/dcmgr/scheduler/network/per_instance.rb

Overview

Meta scheduler calls another scheduler specified by user.

Instance Method Summary collapse

Methods included from Logger

create, default_logdev, included

Methods inherited from Dcmgr::Scheduler::NetworkScheduler

#initialize

Constructor Details

This class inherits a constructor from Dcmgr::Scheduler::NetworkScheduler

Instance Method Details

#schedule(instance) ⇒ Object 



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# File 'lib/dcmgr/scheduler/network/per_instance.rb', line 10

def schedule(instance)
  sched_opts = @options.to_hash || {}
  sched_name = instance.request_params['network_scheduler']
  if sched_name.nil? || sched_name == ''
    if sched_opts.has_key?(:default)
      sched_conf = @options.default
    else
      raise "Missing network_scheduler parameter from the request." 
    end
  else
    if sched_opts.has_key?(sched_name.to_sym)
      sched_conf = @options.send(sched_name.to_sym)
    else
      raise "Unknown scheduler definition: #{sched_name} for the instance #{instance.canonical_uuid}"
    end
  end
  
  sched_class = Scheduler.scheduler_class(sched_conf.scheduler, ::Dcmgr::Scheduler::Network)
  sched = if sched_conf.respond_to?(:options)
            sched_class.new(sched_conf.options)
          else
            sched_class.new
           end
  logger.info("Selected network scheduler: #{sched_name} #{sched_class} for the instance #{instance.canonical_uuid}")
  sched.schedule(instance)
end