Example #1
0
func (l *MasterResource) findAgentInformation(location resource.Location) (*resource.AgentInformation, bool) {
	d, hasDc := l.Topology.GetDataCenter(location.DataCenter)
	if !hasDc {
		return nil, false
	}

	r, hasRack := d.Racks[location.Rack]
	if !hasRack {
		return nil, false
	}

	ai, ok := r.Agents[location.URL()]
	return ai, ok
}
Example #2
0
func (s *Scheduler) setupInputChannels(fc *flow.FlowContext, task *flow.Task, location resource.Location, waitGroup *sync.WaitGroup) {
	if len(task.Inputs) > 0 {
		return
	}
	ds := task.Outputs[0].Parent
	if len(ds.ExternalInputChans) == 0 {
		return
	}
	// connect local typed chan to remote raw chan
	// write to the dataset location in the cluster so that the task can be retried if needed.
	for i, inChan := range ds.ExternalInputChans {
		inputChanName := fmt.Sprintf("%s-ct-%d-input-%d-p-%d", s.option.ExecutableFileHash, fc.Id, ds.Id, i)
		// println("setup input channel for", task.Name(), "on", location.URL())
		s.shardLocator.SetShardLocation(inputChanName, location)
		rawChan, err := netchan.GetDirectSendChannel(inputChanName, location.URL(), waitGroup)
		if err != nil {
			log.Panic(err)
		}
		// println("writing", inputChanName, "to", location.URL())
		netchan.ConnectTypedWriteChannelToRaw(inChan, rawChan, waitGroup)
	}
}