func (nm *realNodeManager) initialNodeStatus() (*api.Node, error) {
node := &api.Node{
ObjectMeta: api.ObjectMeta{
Name: nm.nodeName,
Labels: map[string]string{"kubernetes.io/hostname": nm.hostname},
},
}
if nm.cloud != nil {
instances, ok := nm.cloud.Instances()
if !ok {
return nil, fmt.Errorf("failed to get instances from cloud provider")
}
// TODO(roberthbailey): Can we do this without having credentials to talk
// to the cloud provider?
// TODO: ExternalID is deprecated, we'll have to drop this code
externalID, err := instances.ExternalID(nm.nodeName)
if err != nil {
return nil, fmt.Errorf("failed to get external ID from cloud provider: %v", err)
}
node.Spec.ExternalID = externalID
// TODO: We can't assume that the node has credentials to talk to the
// cloudprovider from arbitrary nodes. At most, we should talk to a
// local metadata server here.
node.Spec.ProviderID, err = cloudprovider.GetInstanceProviderID(nm.cloud, nm.nodeName)
if err != nil {
return nil, err
}
} else {
node.Spec.ExternalID = nm.hostname
}
if err := nm.setNodeStatus(node); err != nil {
return nil, err
}
return node, nil
}
// initialNodeStatus determines the initial node status, incorporating node
// labels and information from the cloud provider.
func (kl *Kubelet) initialNodeStatus() (*api.Node, error) {
node := &api.Node{
ObjectMeta: api.ObjectMeta{
Name: kl.nodeName,
Labels: map[string]string{
unversioned.LabelHostname: kl.hostname,
unversioned.LabelOS: goRuntime.GOOS,
unversioned.LabelArch: goRuntime.GOARCH,
},
},
Spec: api.NodeSpec{
Unschedulable: !kl.registerSchedulable,
},
}
// Initially, set NodeNetworkUnavailable to true.
if kl.providerRequiresNetworkingConfiguration() {
node.Status.Conditions = append(node.Status.Conditions, api.NodeCondition{
Type: api.NodeNetworkUnavailable,
Status: api.ConditionTrue,
Reason: "NoRouteCreated",
Message: "Node created without a route",
LastTransitionTime: unversioned.NewTime(kl.clock.Now()),
})
}
if kl.enableControllerAttachDetach {
if node.Annotations == nil {
node.Annotations = make(map[string]string)
}
node.Annotations[volumehelper.ControllerManagedAttachAnnotation] = "true"
}
// @question: should this be place after the call to the cloud provider? which also applies labels
for k, v := range kl.nodeLabels {
if cv, found := node.ObjectMeta.Labels[k]; found {
glog.Warningf("the node label %s=%s will overwrite default setting %s", k, v, cv)
}
node.ObjectMeta.Labels[k] = v
}
if kl.cloud != nil {
instances, ok := kl.cloud.Instances()
if !ok {
return nil, fmt.Errorf("failed to get instances from cloud provider")
}
// TODO(roberthbailey): Can we do this without having credentials to talk
// to the cloud provider?
// TODO: ExternalID is deprecated, we'll have to drop this code
externalID, err := instances.ExternalID(kl.nodeName)
if err != nil {
return nil, fmt.Errorf("failed to get external ID from cloud provider: %v", err)
}
node.Spec.ExternalID = externalID
// TODO: We can't assume that the node has credentials to talk to the
// cloudprovider from arbitrary nodes. At most, we should talk to a
// local metadata server here.
node.Spec.ProviderID, err = cloudprovider.GetInstanceProviderID(kl.cloud, kl.nodeName)
if err != nil {
return nil, err
}
instanceType, err := instances.InstanceType(kl.nodeName)
if err != nil {
return nil, err
}
if instanceType != "" {
glog.Infof("Adding node label from cloud provider: %s=%s", unversioned.LabelInstanceType, instanceType)
node.ObjectMeta.Labels[unversioned.LabelInstanceType] = instanceType
}
// If the cloud has zone information, label the node with the zone information
zones, ok := kl.cloud.Zones()
if ok {
zone, err := zones.GetZone()
if err != nil {
return nil, fmt.Errorf("failed to get zone from cloud provider: %v", err)
}
if zone.FailureDomain != "" {
glog.Infof("Adding node label from cloud provider: %s=%s", unversioned.LabelZoneFailureDomain, zone.FailureDomain)
node.ObjectMeta.Labels[unversioned.LabelZoneFailureDomain] = zone.FailureDomain
}
if zone.Region != "" {
glog.Infof("Adding node label from cloud provider: %s=%s", unversioned.LabelZoneRegion, zone.Region)
node.ObjectMeta.Labels[unversioned.LabelZoneRegion] = zone.Region
}
}
} else {
node.Spec.ExternalID = kl.hostname
if kl.autoDetectCloudProvider {
// If no cloud provider is defined - use the one detected by cadvisor
info, err := kl.GetCachedMachineInfo()
if err == nil {
kl.updateCloudProviderFromMachineInfo(node, info)
}
}
}
if err := kl.setNodeStatus(node); err != nil {
return nil, err
}
return node, nil
}
