func (s *SchedulerServer) Run(hks hyperkube.Interface, _ []string) error {
if n := len(s.frameworkRoles); n == 0 || n > 2 || (n == 2 && s.frameworkRoles[0] != "*" && s.frameworkRoles[1] != "*") {
log.Fatalf(`only one custom role allowed in addition to "*"`)
}
fwSet := sets.NewString(s.frameworkRoles...)
podSet := sets.NewString(s.defaultPodRoles...)
if !fwSet.IsSuperset(podSet) {
log.Fatalf("all default pod roles %q must be included in framework roles %q", s.defaultPodRoles, s.frameworkRoles)
}
// get scheduler low-level config
sc := schedcfg.CreateDefaultConfig()
if s.schedulerConfigFileName != "" {
f, err := os.Open(s.schedulerConfigFileName)
if err != nil {
log.Fatalf("Cannot open scheduler config file: %v", err)
}
defer f.Close()
err = sc.Read(bufio.NewReader(f))
if err != nil {
log.Fatalf("Invalid scheduler config file: %v", err)
}
}
schedulerProcess, driverFactory, etcdClient, eid := s.bootstrap(hks, sc)
if s.enableProfiling {
profile.InstallHandler(s.mux)
}
go runtime.Until(func() {
log.V(1).Info("Starting HTTP interface")
log.Error(http.ListenAndServe(net.JoinHostPort(s.address.String(), strconv.Itoa(s.port)), s.mux))
}, sc.HttpBindInterval.Duration, schedulerProcess.Terminal())
if s.ha {
validation := ha.ValidationFunc(validateLeadershipTransition)
srv := ha.NewCandidate(schedulerProcess, driverFactory, validation)
path := meta.ElectionPath(s.frameworkName)
uuid := eid.GetValue() + ":" + uuid.New() // unique for each scheduler instance
log.Infof("registering for election at %v with id %v", path, uuid)
go election.Notify(
election.NewEtcdMasterElector(etcdClient),
path,
uuid,
srv,
nil)
} else {
log.Infoln("self-electing in non-HA mode")
schedulerProcess.Elect(driverFactory)
}
return s.awaitFailover(schedulerProcess, func() error { return s.failover(s.getDriver(), hks) })
}
func (s *SchedulerServer) Run(hks hyperkube.Interface, _ []string) error {
// get scheduler low-level config
sc := schedcfg.CreateDefaultConfig()
if s.SchedulerConfigFileName != "" {
f, err := os.Open(s.SchedulerConfigFileName)
if err != nil {
log.Fatalf("Cannot open scheduler config file: %v", err)
}
err = sc.Read(bufio.NewReader(f))
if err != nil {
log.Fatalf("Invalid scheduler config file: %v", err)
}
}
schedulerProcess, driverFactory, etcdClient, eid := s.bootstrap(hks, sc)
if s.EnableProfiling {
profile.InstallHandler(s.mux)
}
go runtime.Until(func() {
log.V(1).Info("Starting HTTP interface")
log.Error(http.ListenAndServe(net.JoinHostPort(s.Address.String(), strconv.Itoa(s.Port)), s.mux))
}, sc.HttpBindInterval.Duration, schedulerProcess.Terminal())
if s.HA {
validation := ha.ValidationFunc(validateLeadershipTransition)
srv := ha.NewCandidate(schedulerProcess, driverFactory, validation)
path := fmt.Sprintf(meta.DefaultElectionFormat, s.FrameworkName)
sid := uid.New(eid.Group(), "").String()
log.Infof("registering for election at %v with id %v", path, sid)
go election.Notify(election.NewEtcdMasterElector(etcdClient), path, sid, srv, nil)
} else {
log.Infoln("self-electing in non-HA mode")
schedulerProcess.Elect(driverFactory)
}
return s.awaitFailover(schedulerProcess, func() error { return s.failover(s.getDriver(), hks) })
}