Set GOMAXPROCS. Print errors on stderr.

cmd/kube-apiserver/apiserver.go

@@ -19,6 +19,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+	"os"
+	"runtime"
+
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/master/server"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/version/verflag"
@@ -27,6 +31,7 @@ import (
 )
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	s := server.NewAPIServer()
 	s.AddFlags(pflag.CommandLine)
 
@@ -36,5 +41,8 @@ func main() {
 
 	verflag.PrintAndExitIfRequested()
 
-	s.Run(pflag.CommandLine.Args())
+	if err := s.Run(pflag.CommandLine.Args()); err != nil {
+		fmt.Fprint(os.Stderr, err.Error)
+		os.Exit(1)
+	}
 }

cmd/kube-controller-manager/controller-manager.go

@@ -21,6 +21,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+	"os"
+	"runtime"
+
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/controllermanager"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/version/verflag"
@@ -29,6 +33,7 @@ import (
 )
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	s := controllermanager.NewCMServer()
 	s.AddFlags(pflag.CommandLine)
 
@@ -38,5 +43,8 @@ func main() {
 
 	verflag.PrintAndExitIfRequested()
 
-	s.Run(pflag.CommandLine.Args())
+	if err := s.Run(pflag.CommandLine.Args()); err != nil {
+		fmt.Fprint(os.Stderr, err.Error)
+		os.Exit(1)
+	}
 }

cmd/kube-proxy/proxy.go

@@ -17,6 +17,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+	"os"
+	"runtime"
+
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/proxy/server"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/version/verflag"
@@ -25,6 +29,7 @@ import (
 )
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	s := server.NewProxyServer()
 	s.AddFlags(pflag.CommandLine)
 
@@ -34,5 +39,8 @@ func main() {
 
 	verflag.PrintAndExitIfRequested()
 
-	s.Run(pflag.CommandLine.Args())
+	if err := s.Run(pflag.CommandLine.Args()); err != nil {
+		fmt.Fprint(os.Stderr, err.Error)
+		os.Exit(1)
+	}
 }

cmd/kubectl/kubectl.go

@@ -18,11 +18,13 @@ package main
 
 import (
 	"os"
+	"runtime"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/kubectl/cmd"
 )
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	cmd := cmd.NewFactory(nil).NewKubectlCommand(os.Stdout)
 	if err := cmd.Execute(); err != nil {
 		os.Exit(1)

cmd/kubelet/kubelet.go

@@ -21,6 +21,10 @@ limitations under the License.
 package main
 
 import (
+	"fmt"
+	"os"
+	"runtime"
+
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/kubelet/server"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/version/verflag"
@@ -29,6 +33,7 @@ import (
 )
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	s := server.NewKubeletServer()
 	s.AddFlags(pflag.CommandLine)
 
@@ -38,5 +43,8 @@ func main() {
 
 	verflag.PrintAndExitIfRequested()
 
-	s.Run(pflag.CommandLine.Args())
+	if err := s.Run(pflag.CommandLine.Args()); err != nil {
+		fmt.Fprint(os.Stderr, err.Error)
+		os.Exit(1)
+	}
 }

cmd/kubernetes/kubernetes.go

@@ -18,12 +18,14 @@ limitations under the License.
 // Expects an etcd server is available, or on the path somewhere.
 // Does *not* currently setup the Kubernetes network model, that must be done ahead of time.
 // TODO: Setup the k8s network bridge as part of setup.
+// TODO: combine this with the hypercube thingy.
 package main
 
 import (
 	"fmt"
 	"net"
 	"net/http"
+	"runtime"
 	"time"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/api"
@@ -152,6 +154,8 @@ func newApiClient(addr net.IP, port int) *client.Client {
 }
 
 func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
+
 	util.InitFlags()
 	util.InitLogs()
 	defer util.FlushLogs()

pkg/hyperkube/hyperkube.go

@@ -24,6 +24,7 @@ import (
 	"io/ioutil"
 	"os"
 	"path"
+	"runtime"
 
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
 	"github.com/GoogleCloudPlatform/kubernetes/pkg/version/verflag"
@@ -177,8 +178,10 @@ func (hk *HyperKube) Run(args []string) error {
 
 // RunToExit will run the hyperkube and then call os.Exit with an appropriate exit code.
 func (hk *HyperKube) RunToExit(args []string) {
+	runtime.GOMAXPROCS(runtime.NumCPU())
 	err := hk.Run(args)
 	if err != nil {
+		fmt.Fprint(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 	os.Exit(0)