// NewAPIServerCommand provides a CLI handler for the 'apiserver' command
func NewAPIServerCommand(name, fullName string, out io.Writer) *cobra.Command {
apiServerOptions := apiserveroptions.NewAPIServer()
cmd := &cobra.Command{
Use: name,
Short: "Launch Kubernetes apiserver (kube-apiserver)",
Long: apiserverLong,
Run: func(c *cobra.Command, args []string) {
startProfiler()
util.InitLogs()
defer util.FlushLogs()
if err := apiserverapp.Run(apiServerOptions); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
},
}
cmd.SetOutput(out)
flags := cmd.Flags()
flags.SetNormalizeFunc(util.WordSepNormalizeFunc)
flags.AddGoFlagSet(flag.CommandLine)
apiServerOptions.AddFlags(flags)
return cmd
}
func StartAPIServer(lk LocalkubeServer) func() error {
config := options.NewAPIServer()
config.BindAddress = lk.APIServerAddress
config.SecurePort = lk.APIServerPort
config.InsecureBindAddress = lk.APIServerInsecureAddress
config.InsecurePort = lk.APIServerInsecurePort
config.ClientCAFile = lk.GetPublicKeyCertPath()
config.TLSCertFile = lk.GetPublicKeyCertPath()
config.TLSPrivateKeyFile = lk.GetPrivateKeyCertPath()
config.AdmissionControl = "NamespaceLifecycle,LimitRanger,ServiceAccount,ResourceQuota"
// use localkube etcd
config.StorageConfig = storagebackend.Config{ServerList: KubeEtcdClientURLs}
// set Service IP range
config.ServiceClusterIPRange = lk.ServiceClusterIPRange
// defaults from apiserver command
config.EnableProfiling = true
config.EnableWatchCache = true
config.MinRequestTimeout = 1800
config.AllowPrivileged = true
return func() error {
return apiserver.Run(config)
}
}
// Start starts the apiserver, returns when apiserver is ready.
func (a *APIServer) Start() error {
config := options.NewServerRunOptions()
config.Etcd.StorageConfig.ServerList = []string{getEtcdClientURL()}
// TODO: Current setup of etcd in e2e-node tests doesn't support etcd v3
// protocol. We should migrate it to use the same infrastructure as all
// other tests (pkg/storage/etcd/testing).
config.Etcd.StorageConfig.Type = "etcd2"
_, ipnet, err := net.ParseCIDR(clusterIPRange)
if err != nil {
return err
}
config.ServiceClusterIPRange = *ipnet
config.AllowPrivileged = true
errCh := make(chan error)
go func() {
defer close(errCh)
err := apiserver.Run(config)
if err != nil {
errCh <- fmt.Errorf("run apiserver error: %v", err)
}
}()
err = readinessCheck("apiserver", []string{apiserverHealthCheckURL}, errCh)
if err != nil {
return err
}
return nil
}
// NewKubeAPIServer creates a new hyperkube Server object that includes the
// description and flags.
func NewKubeAPIServer() *Server {
s := options.NewAPIServer()
hks := Server{
SimpleUsage: hyperkube.CommandApiserver,
Long: "The main API entrypoint and interface to the storage system. The API server is also the focal point for all authorization decisions.",
Run: func(_ *Server, _ []string) error {
return app.Run(s)
},
}
s.AddFlags(hks.Flags())
return &hks
}
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
}
func main() {
rand.Seed(time.Now().UTC().UnixNano())
s := options.NewAPIServer()
s.AddFlags(pflag.CommandLine)
flag.InitFlags()
logs.InitLogs()
defer logs.FlushLogs()
verflag.PrintAndExitIfRequested()
if err := app.Run(s); err != nil {
fmt.Fprintf(os.Stderr, "%v\n", err)
os.Exit(1)
}
}
// Start starts the apiserver, returns when apiserver is ready.
func (a *APIServer) Start() error {
config := options.NewAPIServer()
config.StorageConfig.ServerList = []string{getEtcdClientURL()}
_, ipnet, err := net.ParseCIDR(clusterIPRange)
if err != nil {
return err
}
config.ServiceClusterIPRange = *ipnet
config.AllowPrivileged = true
errCh := make(chan error)
go func() {
defer close(errCh)
err := apiserver.Run(config)
if err != nil {
errCh <- fmt.Errorf("run apiserver error: %v", err)
}
}()
err = readinessCheck([]string{apiserverHealthCheckURL}, errCh)
if err != nil {
return err
}
return nil
}
