Add operatingsystem/architecture as node labels. Also, display that in status

pkg/api/types.go

@@ -1830,6 +1830,10 @@ type NodeSystemInfo struct {
 	KubeletVersion string `json:"kubeletVersion"`
 	// KubeProxy Version reported by the node.
 	KubeProxyVersion string `json:"kubeProxyVersion"`
+	// The Operating System reported by the node
+	OperatingSystem string `json:"operatingSystem"`
+	// The Architecture reported by the node
+	Architecture string `json:"architecture"`
 }
 
 // NodeStatus is information about the current status of a node.

pkg/api/unversioned/well_known_labels.go

@@ -24,4 +24,7 @@ const (
 	LabelZoneRegion        = "failure-domain.beta.kubernetes.io/region"
 
 	LabelInstanceType = "beta.kubernetes.io/instance-type"
+
+	LabelOS   = "beta.kubernetes.io/os"
+	LabelArch = "beta.kubernetes.io/arch"
 )

pkg/api/v1/types.go

@@ -2206,6 +2206,10 @@ type NodeSystemInfo struct {
 	KubeletVersion string `json:"kubeletVersion" protobuf:"bytes,7,opt,name=kubeletVersion"`
 	// KubeProxy Version reported by the node.
 	KubeProxyVersion string `json:"kubeProxyVersion" protobuf:"bytes,8,opt,name=kubeProxyVersion"`
+	// The Operating System reported by the node
+	OperatingSystem string `json:"operatingSystem" protobuf:"bytes,9,opt,name=operatingSystem"`
+	// The Architecture reported by the node
+	Architecture string `json:"architecture" protobuf:"bytes,10,opt,name=architecture"`
 }
 
 // NodeStatus is information about the current status of a node.

pkg/kubectl/describe.go

@@ -1638,6 +1638,8 @@ func describeNode(node *api.Node, nodeNonTerminatedPodsList *api.PodList, events
 		fmt.Fprintf(out, " Boot ID:\t%s\n", node.Status.NodeInfo.BootID)
 		fmt.Fprintf(out, " Kernel Version:\t%s\n", node.Status.NodeInfo.KernelVersion)
 		fmt.Fprintf(out, " OS Image:\t%s\n", node.Status.NodeInfo.OSImage)
+		fmt.Fprintf(out, " Operating System:\t%s\n", node.Status.NodeInfo.OperatingSystem)
+		fmt.Fprintf(out, " Architecture:\t%s\n", node.Status.NodeInfo.Architecture)
 		fmt.Fprintf(out, " Container Runtime Version:\t%s\n", node.Status.NodeInfo.ContainerRuntimeVersion)
 		fmt.Fprintf(out, " Kubelet Version:\t%s\n", node.Status.NodeInfo.KubeletVersion)
 		fmt.Fprintf(out, " Kube-Proxy Version:\t%s\n", node.Status.NodeInfo.KubeProxyVersion)

pkg/kubelet/kubelet.go

@@ -26,6 +26,7 @@ import (
 	"os"
 	"path"
 	"path/filepath"
+	goRuntime "runtime"
 	"sort"
 	"strings"
 	"sync"
@@ -964,7 +965,11 @@ func (kl *Kubelet) initialNodeStatus() (*api.Node, error) {
 	node := &api.Node{
 		ObjectMeta: api.ObjectMeta{
 			Name: kl.nodeName,
-			Labels: map[string]string{unversioned.LabelHostname: kl.hostname},
+			Labels: map[string]string{
+				unversioned.LabelHostname: kl.hostname,
+				unversioned.LabelOS:       goRuntime.GOOS,
+				unversioned.LabelArch:     goRuntime.GOARCH,
+			},
 		},
 		Spec: api.NodeSpec{
 			Unschedulable: !kl.registerSchedulable,
@@ -3006,7 +3011,7 @@ func (kl *Kubelet) setNodeStatusDaemonEndpoints(node *api.Node) {
 	node.Status.DaemonEndpoints = *kl.daemonEndpoints
 }
 
-// Set images list fot this node
+// Set images list for the node
 func (kl *Kubelet) setNodeStatusImages(node *api.Node) {
 	// Update image list of this node
 	var imagesOnNode []api.ContainerImage
@@ -3024,12 +3029,19 @@ func (kl *Kubelet) setNodeStatusImages(node *api.Node) {
 	node.Status.Images = imagesOnNode
 }
 
+// Set the GOOS and GOARCH for this node
+func (kl *Kubelet) setNodeStatusGoRuntime(node *api.Node) {
+	node.Status.NodeInfo.OperatingSystem = goRuntime.GOOS
+	node.Status.NodeInfo.Architecture = goRuntime.GOARCH
+}
+
 // Set status for the node.
 func (kl *Kubelet) setNodeStatusInfo(node *api.Node) {
 	kl.setNodeStatusMachineInfo(node)
 	kl.setNodeStatusVersionInfo(node)
 	kl.setNodeStatusDaemonEndpoints(node)
 	kl.setNodeStatusImages(node)
+	kl.setNodeStatusGoRuntime(node)
 }
 
 // Set Readycondition for the node.

pkg/kubelet/kubelet_test.go

@@ -2566,6 +2566,8 @@ func TestUpdateNewNodeStatus(t *testing.T) {
 				BootID:                  "1b3",
 				KernelVersion:           "3.16.0-0.bpo.4-amd64",
 				OSImage:                 "Debian GNU/Linux 7 (wheezy)",
+				OperatingSystem:         "linux",
+				Architecture:            "amd64",
 				ContainerRuntimeVersion: "test://1.5.0",
 				KubeletVersion:          version.Get().String(),
 				KubeProxyVersion:        version.Get().String(),
@@ -2797,6 +2799,8 @@ func TestUpdateExistingNodeStatus(t *testing.T) {
 				BootID:                  "1b3",
 				KernelVersion:           "3.16.0-0.bpo.4-amd64",
 				OSImage:                 "Debian GNU/Linux 7 (wheezy)",
+				OperatingSystem:         "linux",
+				Architecture:            "amd64",
 				ContainerRuntimeVersion: "test://1.5.0",
 				KubeletVersion:          version.Get().String(),
 				KubeProxyVersion:        version.Get().String(),
@@ -3068,6 +3072,8 @@ func TestUpdateNodeStatusWithRuntimeStateError(t *testing.T) {
 				BootID:                  "1b3",
 				KernelVersion:           "3.16.0-0.bpo.4-amd64",
 				OSImage:                 "Debian GNU/Linux 7 (wheezy)",
+				OperatingSystem:         "linux",
+				Architecture:            "amd64",
 				ContainerRuntimeVersion: "test://1.5.0",
 				KubeletVersion:          version.Get().String(),
 				KubeProxyVersion:        version.Get().String(),