func (l *Leadership) run(ctx context.Context, candidate *leadership.Candidate) error {
electedCh, errCh := candidate.RunForElection()
for {
select {
case elected := <-electedCh:
l.onElection(elected)
case err := <-errCh:
return err
case <-ctx.Done():
l.candidate.Resign()
return nil
}
}
}
func run(candidate *leadership.Candidate, server *api.Server, primary *mux.Router, replica *api.Replica) {
electedCh, errCh, err := candidate.RunForElection()
if err != nil {
return
}
for {
select {
case isElected := <-electedCh:
if isElected {
log.Info("Leader Election: Cluster leadership acquired")
server.SetHandler(primary)
} else {
log.Info("Leader Election: Cluster leadership lost")
server.SetHandler(replica)
}
case err := <-errCh:
log.Error(err)
return
}
}
}
func run(cl cluster.Cluster, candidate *leadership.Candidate, server *api.Server, primary *mux.Router, replica *api.Replica) {
electedCh, errCh := candidate.RunForElection()
var watchdog *cluster.Watchdog
for {
select {
case isElected := <-electedCh:
if isElected {
log.Info("Leader Election: Cluster leadership acquired")
watchdog = cluster.NewWatchdog(cl)
server.SetHandler(primary)
} else {
log.Info("Leader Election: Cluster leadership lost")
cl.UnregisterEventHandler(watchdog)
server.SetHandler(replica)
}
case err := <-errCh:
log.Error(err)
return
}
}
}