Example #1
0
func Example() {
	router, err := router.Get("hipache")
	if err != nil {
		panic(err)
	}
	err = router.AddBackend("myapp")
	if err != nil {
		panic(err)
	}
	url, err := url.Parse("http://10.10.10.10:8080")
	if err != nil {
		panic(err)
	}
	err = router.AddRoute("myapp", url)
	if err != nil {
		panic(err)
	}
	addr, _ := router.Addr("myapp")
	fmt.Println("Please access:", addr)
	err = router.RemoveRoute("myapp", url)
	if err != nil {
		panic(err)
	}
	err = router.RemoveBackend("myapp")
	if err != nil {
		panic(err)
	}
}
Example #2
0
func (p *JujuProvisioner) heal(units []provision.Unit) {
	var inst instance
	coll := p.unitsCollection()
	defer coll.Close()
	for _, unit := range units {
		err := coll.FindId(unit.Name).One(&inst)
		if err != nil {
			coll.Insert(instance{UnitName: unit.Name, InstanceID: unit.InstanceId})
		} else if unit.InstanceId == inst.InstanceID {
			continue
		} else {
			format := "[juju] instance-id of unit %q changed from %q to %q. Healing."
			log.Debugf(format, unit.Name, inst.InstanceID, unit.InstanceId)
			if p.elbSupport() {
				router, err := Router()
				if err != nil {
					continue
				}
				router.RemoveRoute(unit.AppName, inst.InstanceID)
				err = router.AddRoute(unit.AppName, unit.InstanceId)
				if err != nil {
					format := "[juju] Could not register instance %q in the load balancer: %s."
					log.Errorf(format, unit.InstanceId, err)
					continue
				}
			}
			if inst.InstanceID != "pending" {
				msg := queue.Message{
					Action: app.RegenerateApprcAndStart,
					Args:   []string{unit.AppName, unit.Name},
				}
				app.Enqueue(msg)
			}
			inst.InstanceID = unit.InstanceId
			coll.UpdateId(unit.Name, inst)
		}
	}
}