func (watcher *Watcher) handleDesiredUpdate(logger lager.Logger, before, after *models.DesiredLRPSchedulingInfo) {
logger = logger.Session("handling-desired-update", lager.Data{
"before": desiredLRPData(before),
"after": desiredLRPData(after),
})
logger.Info("starting")
defer logger.Info("complete")
afterKeysSet := watcher.setRoutesForDesired(logger, after)
beforeRoutingKeys := routing_table.RoutingKeysFromSchedulingInfo(before)
afterRoutes, _ := cfroutes.CFRoutesFromRoutingInfo(after.Routes)
afterContainerPorts := set{}
for _, route := range afterRoutes {
afterContainerPorts.add(route.Port)
}
for _, key := range beforeRoutingKeys {
if !afterKeysSet.contains(key) || !afterContainerPorts.contains(key.ContainerPort) {
messagesToEmit := watcher.table.RemoveRoutes(key, &after.ModificationTag)
watcher.emitMessages(logger, messagesToEmit)
}
}
}
func (watcher *Watcher) handleDesiredDelete(logger lager.Logger, schedulingInfo *models.DesiredLRPSchedulingInfo) {
logger = logger.Session("handling-desired-delete", desiredLRPData(schedulingInfo))
logger.Info("starting")
defer logger.Info("complete")
for _, key := range routing_table.RoutingKeysFromSchedulingInfo(schedulingInfo) {
messagesToEmit := watcher.table.RemoveRoutes(key, &schedulingInfo.ModificationTag)
watcher.emitMessages(logger, messagesToEmit)
}
}
func (watcher *Watcher) setRoutesForDesired(logger lager.Logger, schedulingInfo *models.DesiredLRPSchedulingInfo) set {
routingKeys := routing_table.RoutingKeysFromSchedulingInfo(schedulingInfo)
routes, _ := cfroutes.CFRoutesFromRoutingInfo(schedulingInfo.Routes)
routingKeySet := set{}
for _, key := range routingKeys {
routingKeySet.add(key)
for _, route := range routes {
if key.ContainerPort == route.Port {
messagesToEmit := watcher.table.SetRoutes(key, routing_table.Routes{
Hostnames: route.Hostnames,
LogGuid: schedulingInfo.LogGuid,
RouteServiceUrl: route.RouteServiceUrl,
})
watcher.emitMessages(logger, messagesToEmit)
}
}
}
return routingKeySet
}
})
})
Describe("RoutingKeysFromDesired", func() {
It("creates a list of keys for an actual LRP", func() {
routes := cfroutes.CFRoutes{
{Hostnames: []string{"foo.com", "bar.com"}, Port: 8080},
{Hostnames: []string{"foo.example.com"}, Port: 9090},
}
schedulingInfo := &models.DesiredLRPSchedulingInfo{
DesiredLRPKey: models.NewDesiredLRPKey("process-guid", "tests", "abc-guid"),
Routes: routes.RoutingInfo(),
}
keys := routing_table.RoutingKeysFromSchedulingInfo(schedulingInfo)
Expect(keys).To(HaveLen(2))
Expect(keys).To(ContainElement(routing_table.RoutingKey{ProcessGuid: "process-guid", ContainerPort: 8080}))
Expect(keys).To(ContainElement(routing_table.RoutingKey{ProcessGuid: "process-guid", ContainerPort: 9090}))
})
Context("when the desired LRP does not define any container ports", func() {
It("still uses the routes property", func() {
schedulingInfo := &models.DesiredLRPSchedulingInfo{
DesiredLRPKey: models.NewDesiredLRPKey("process-guid", "tests", "abc-guid"),
Routes: cfroutes.CFRoutes{{Hostnames: []string{"foo.com", "bar.com"}, Port: 8080}}.RoutingInfo(),
}
keys := routing_table.RoutingKeysFromSchedulingInfo(schedulingInfo)
Expect(keys).To(HaveLen(1))