// Send an API request to make server start a discovery process on current k8s.
func (handler *KubernetesServerMessageHandler) DiscoverTarget() {
vmtUrl := handler.wsComm.VmtServerAddress
extCongfix := make(map[string]string)
extCongfix["Username"] = handler.meta.OpsManagerUsername
extCongfix["Password"] = handler.meta.OpsManagerPassword
vmturboApi := vmtapi.NewVmtApi(vmtUrl, extCongfix)
// Discover Kubernetes target.
vmturboApi.DiscoverTarget(handler.meta.NameOrAddress)
}
// Code is very similar to those in serverMsgHandler.
func (vmtcomm *VMTCommunicator) DiscoverTarget() {
vmtUrl := vmtcomm.wsComm.VmtServerAddress
extCongfix := make(map[string]string)
extCongfix["Username"] = "******"
extCongfix["Password"] = "******"
vmturboApi := vmtapi.NewVmtApi(vmtUrl, extCongfix)
// Discover Kubernetes target.
vmturboApi.DiscoverTarget(vmtcomm.meta.NameOrAddress)
}
// Use the vmt restAPI to add a Kubernetes target.
func (handler *KubernetesServerMessageHandler) AddTarget() {
vmtUrl := handler.wsComm.VmtServerAddress
extCongfix := make(map[string]string)
extCongfix["Username"] = handler.meta.OpsManagerUsername
extCongfix["Password"] = handler.meta.OpsManagerPassword
vmturboApi := vmtapi.NewVmtApi(vmtUrl, extCongfix)
// Add Kubernetes target.
// targetType, nameOrAddress, targetIdentifier, password
vmturboApi.AddK8sTarget(handler.meta.TargetType, handler.meta.NameOrAddress, handler.meta.Username, handler.meta.TargetIdentifier, handler.meta.Password)
}
// Create the reservation specification and
// return map which has pod name as key and node name as value
func (this *Reservation) RequestPlacement(podName string, requestSpec, filterProperties map[string]string) (map[string]string, error) {
extCongfix := make(map[string]string)
extCongfix["Username"] = this.Meta.OpsManagerUsername
extCongfix["Password"] = this.Meta.OpsManagerPassword
vmturboApi := vmtapi.NewVmtApi(this.Meta.ServerAddress, extCongfix)
glog.V(4).Info("Inside RequestPlacement")
parameterString, err := buildReservationParameterString(requestSpec)
if err != nil {
return nil, err
}
reservationUUID, err := vmturboApi.Post("/reservations", parameterString)
if err != nil {
return nil, fmt.Errorf("Error posting reservations: %s", err)
}
reservationUUID = strings.Replace(reservationUUID, "\n", "", -1)
glog.Infof("Reservation UUID is %s", string(reservationUUID))
// TODO, do we want to wait for a predefined time or send send API requests multiple times.
time.Sleep(2 * time.Second)
getResponse, err := vmturboApi.Get("/reservations/" + reservationUUID)
if err != nil {
return nil, fmt.Errorf("Error getting reservations destinations: %s", err)
}
pod2nodeMap, err := parseGetReservationResponse(podName, getResponse)
if err != nil {
return nil, fmt.Errorf("Error parsing reservation destination returned from VMTurbo server: %s", err)
}
// After getting the destination, delete the reservation.
deleteResponse, err := vmturboApi.Delete("/reservations/" + reservationUUID)
if err != nil {
// TODO, Should we return without placement?
return nil, fmt.Errorf("Error deleting reservations destinations: %s", err)
}
glog.Infof("delete response of reservation %s is %s", reservationUUID, deleteResponse)
return pod2nodeMap, nil
}