func discovering(wg *sync.WaitGroup) {
defer wg.Done()
c := make(chan tutum.Event)
e := make(chan error)
nodes.DiscoverPeers()
go tutum.TutumEvents(c, e)
Loop:
for {
select {
case event := <-c:
if event.Type == "node" && (event.State == "Deployed" || event.State == "Terminated") {
err := nodes.DiscoverPeers()
if err != nil {
log.Println(err)
}
}
break
case err := <-e:
log.Println("[NODE DISCOVERY ERROR]: " + err.Error())
time.Sleep(5 * time.Second)
wg.Add(1)
go discovering(wg)
break Loop
}
}
}
func discovering(wg *sync.WaitGroup) {
defer wg.Done()
c := make(chan tutum.Event)
e := make(chan error)
nodes.DiscoverPeers()
go tutum.TutumEvents(c, e)
tutumEventHandler(wg, c, e)
}
func waitForContainerToTerminateAndReappear(container tutum.Container,
parentService tutum.Service) (tutum.Container, error) {
log.Printf("waitForContainerToTerminateAndReappear")
eventChan := make(chan tutum.Event)
errChan := make(chan error)
go tutum.TutumEvents(eventChan, errChan)
didTerminate := false
var newContainer tutum.Container
var err error
for {
select {
case event := <-eventChan:
// log.Println(event)
if event.Type == "container" &&
strings.Contains(event.Resource_uri, container.Uuid) &&
event.State == "Terminated" {
log.Printf("got container Terminated event on my container")
didTerminate = true
}
if event.Type == "container" &&
parentsContain(event.Parents, parentService.Uuid) &&
event.State == "Running" &&
didTerminate == true {
newContainer, err = tutum.GetContainer(getUuidFromUri(event.Resource_uri))
if err != nil {
return newContainer, err
}
log.Printf("got container Running event on new container (%s)", newContainer.Uuid)
return newContainer, nil
}
case err := <-errChan:
return newContainer, err
}
}
}
