func DefaultAndValidateRunOptions(options *options.ServerRunOptions) { genericvalidation.ValidateRunOptions(options) // If advertise-address is not specified, use bind-address. If bind-address // is not usable (unset, 0.0.0.0, or loopback), we will use the host's default // interface as valid public addr for master (see: util/net#ValidPublicAddrForMaster) if options.AdvertiseAddress == nil || options.AdvertiseAddress.IsUnspecified() { hostIP, err := utilnet.ChooseBindAddress(options.BindAddress) if err != nil { glog.Fatalf("Unable to find suitable network address.error='%v' . "+ "Try to set the AdvertiseAddress directly or provide a valid BindAddress to fix this.", err) } options.AdvertiseAddress = hostIP } glog.Infof("Will report %v as public IP address.", options.AdvertiseAddress) // Set default value for ExternalHost if not specified. if len(options.ExternalHost) == 0 { // TODO: extend for other providers if options.CloudProvider == "gce" { cloud, err := cloudprovider.InitCloudProvider(options.CloudProvider, options.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } instances, supported := cloud.Instances() if !supported { glog.Fatalf("GCE cloud provider has no instances. this shouldn't happen. exiting.") } hostname, err := os.Hostname() if err != nil { glog.Fatalf("Failed to get hostname: %v", err) } nodeName, err := instances.CurrentNodeName(hostname) if err != nil { glog.Fatalf("Failed to get NodeName: %v", err) } addrs, err := instances.NodeAddresses(nodeName) if err != nil { glog.Warningf("Unable to obtain external host address from cloud provider: %v", err) } else { for _, addr := range addrs { if addr.Type == api.NodeExternalIP { options.ExternalHost = addr.Address } } } } } }
func DefaultAndValidateRunOptions(options *options.ServerRunOptions) { genericvalidation.ValidateRunOptions(options) glog.Infof("Will report %v as public IP address.", options.AdvertiseAddress) // Set default value for ExternalAddress if not specified. if len(options.ExternalHost) == 0 { // TODO: extend for other providers if options.CloudProvider == "gce" || options.CloudProvider == "aws" { cloud, err := cloudprovider.InitCloudProvider(options.CloudProvider, options.CloudConfigFile) if err != nil { glog.Fatalf("Cloud provider could not be initialized: %v", err) } instances, supported := cloud.Instances() if !supported { glog.Fatalf("%q cloud provider has no instances. this shouldn't happen. exiting.", options.CloudProvider) } hostname, err := os.Hostname() if err != nil { glog.Fatalf("Failed to get hostname: %v", err) } nodeName, err := instances.CurrentNodeName(hostname) if err != nil { glog.Fatalf("Failed to get NodeName: %v", err) } addrs, err := instances.NodeAddresses(nodeName) if err != nil { glog.Warningf("Unable to obtain external host address from cloud provider: %v", err) } else { for _, addr := range addrs { if addr.Type == v1.NodeExternalIP { options.ExternalHost = addr.Address } } } } } }