// NewSchedulerCommand provides a CLI handler for the 'scheduler' command
func NewSchedulerCommand(name, fullName string, out io.Writer) *cobra.Command {
schedulerOptions := scheduleroptions.NewSchedulerServer()
cmd := &cobra.Command{
Use: name,
Short: "Launch Kubernetes scheduler (kube-scheduler)",
Long: controllersLong,
Run: func(c *cobra.Command, args []string) {
startProfiler()
logs.InitLogs()
defer logs.FlushLogs()
if err := schedulerapp.Run(schedulerOptions); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
},
}
cmd.SetOutput(out)
flags := cmd.Flags()
flags.SetNormalizeFunc(kflag.WordSepNormalizeFunc)
schedulerOptions.AddFlags(flags)
return cmd
}
func main() {
s := options.NewSchedulerServer()
s.AddFlags(pflag.CommandLine)
flag.InitFlags()
logs.InitLogs()
defer logs.FlushLogs()
verflag.PrintAndExitIfRequested()
app.Run(s)
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
s := options.NewSchedulerServer()
s.AddFlags(pflag.CommandLine)
flag.InitFlags()
util.InitLogs()
defer util.FlushLogs()
verflag.PrintAndExitIfRequested()
app.Run(s)
}
// NewScheduler creates a new hyperkube Server object that includes the
// description and flags.
func NewScheduler() *Server {
s := options.NewSchedulerServer()
hks := Server{
SimpleUsage: "scheduler",
Long: "Implements a Kubernetes scheduler. This will assign pods to kubelets based on capacity and constraints.",
Run: func(_ *Server, _ []string) error {
return app.Run(s)
},
}
s.AddFlags(hks.Flags())
return &hks
}
func StartSchedulerServer(lk LocalkubeServer) func() error {
config := options.NewSchedulerServer()
// master details
config.Master = lk.GetAPIServerInsecureURL()
// defaults from command
config.EnableProfiling = true
return func() error {
return scheduler.Run(config)
}
}
func main() {
s := options.NewSchedulerServer()
s.AddFlags(pflag.CommandLine)
flag.InitFlags()
logs.InitLogs()
defer logs.FlushLogs()
verflag.PrintAndExitIfRequested()
if err := app.Run(s); err != nil {
glog.Fatalf("scheduler app failed to run: %v", err)
}
}
func (b *bootkube) Run() error {
errch := make(chan error)
go func() { errch <- apiapp.Run(b.apiServer) }()
go func() { errch <- cmapp.Run(b.controller) }()
go func() { errch <- schedapp.Run(b.scheduler) }()
go func() {
if err := CreateAssets(filepath.Join(b.assetDir, asset.AssetPathManifests), assetTimeout); err != nil {
errch <- err
}
}()
go func() { errch <- WaitUntilPodsRunning(requiredPods, assetTimeout) }()
// If any of the bootkube services exit, it means it is unrecoverable and we should exit.
return <-errch
}