func newVISGHSExecutor() *ghsvisExecutor {
log.Infoln("Initializing the VISGHS Executor...", *tracerAddr)
c, err := tracer.NewGRPCDisplayClient(*tracerAddr, grpc.WithInsecure())
if err != nil {
log.Fatalf("failed to connect: %v", err)
}
t := tracer.New(c)
// Establish gRPC on the deisgnated port
lis, err := net.Listen("tcp", ":0")
if err != nil {
log.Fatalf("grpc failed to listen: %v", err)
}
grpcServer := grpc.NewServer()
// build command executor
nexec := prepareExecutorInfo(lis.Addr())
s := newvisghsScheduler(nexec)
t := tracer.NewHTTPDisplay(http.DefaultServeMux, s.OnRun)
server := tracer.NewGRPCServer(t)
tracer.RegisterTraceServiceServer(grpcServer, server)
go grpcServer.Serve(lis)
time.Sleep(2 * time.Second)
go http.ListenAndServe(":12345", nil)
return &ghsvisExecutor{tasksLaunched: 0, Tracer: t}
}
func main() {
if *ghsNode {
ghsNodeMain()
return
}
// Allocate a port for GRPC
lis, err := net.Listen("tcp", ":0")
if err != nil {
log.Fatalf("grpc failed to listen: %v", err)
}
grpcServer := grpc.NewServer()
// build command executor
nexec := prepareExecutorInfo(lis.Addr())
s := newvisghsScheduler(nexec)
t := tracer.NewHTTPDisplay(http.DefaultServeMux, s.OnRun)
server := tracer.NewGRPCServer(t)
tracer.RegisterTraceServiceServer(grpcServer, server)
go grpcServer.Serve(lis)
time.Sleep(2 * time.Second)
go http.ListenAndServe(":12345", nil)
// the framework
fwinfo := &mesos.FrameworkInfo{
User: proto.String(""), // Mesos-go will fill in user.
Name: proto.String("visghs"),
}
cred := (*mesos.Credential)(nil)
if *mesosAuthPrincipal != "" {
fwinfo.Principal = proto.String(*mesosAuthPrincipal)
cred = &mesos.Credential{
Principal: proto.String(*mesosAuthPrincipal),
}
if *mesosAuthSecretFile != "" {
_, err := os.Stat(*mesosAuthSecretFile)
if err != nil {
log.Fatal("missing secret file: ", err.Error())
}
secret, err := ioutil.ReadFile(*mesosAuthSecretFile)
if err != nil {
log.Fatal("failed to read secret file: ", err.Error())
}
cred.Secret = proto.String(string(secret))
}
}
bindingAddress := parseIP(*address)
config := sched.DriverConfig{
Scheduler: s,
Framework: fwinfo,
Master: *master,
Credential: cred,
BindingAddress: bindingAddress,
WithAuthContext: func(ctx context.Context) context.Context {
ctx = auth.WithLoginProvider(ctx, *authProvider)
ctx = sasl.WithBindingAddress(ctx, bindingAddress)
return ctx
},
}
driver, err := sched.NewMesosSchedulerDriver(config)
if err != nil {
log.Errorln("Unable to create a SchedulerDriver ", err.Error())
}
if stat, err := driver.Run(); err != nil {
log.Infof("Framework stopped with status %s and error: %s\n", stat.String(), err.Error())
time.Sleep(2 * time.Second)
os.Exit(1)
}
log.Infof("framework terminating")
}