Add mahine Power On/Off Operations

api/machine.go

@@ -15,4 +15,7 @@ type Machine interface {
 	Lock(systemID string, comment string) (*entity.Machine, error)
 	ClearDefaultGateways(systemID string) (*entity.Machine, error)
 	GetPowerParameters(systemID string) (map[string]interface{}, error)
+	PowerOn(systemID string) (*entity.Machine, error)
+	PowerOff(systemID string) (*entity.Machine, error)
+	GetPowerState(systemID string) (*entity.MachinePowerState, error)
 }

client/machine.go

@@ -131,3 +131,30 @@ func (m *Machine) GetPowerParameters(systemID string) (map[string]interface{}, e
 
 	return params, err
 }
+
+// PowerOn machine
+func (m *Machine) PowerOn(systemID string) (*entity.Machine, error) {
+	machine := new(entity.Machine)
+	err := m.client(systemID).Post("power_on", url.Values{}, func(data []byte) error {
+		return json.Unmarshal(data, machine)
+	})
+	return machine, err
+}
+
+// PowerOff machine
+func (m *Machine) PowerOff(systemID string) (*entity.Machine, error) {
+	machine := new(entity.Machine)
+	err := m.client(systemID).Post("power_off", url.Values{}, func(data []byte) error {
+		return json.Unmarshal(data, machine)
+	})
+	return machine, err
+}
+
+// GetPowerState of the machine
+func (m *Machine) GetPowerState(systemID string) (*entity.MachinePowerState, error) {
+	ps := new(entity.MachinePowerState)
+	err := m.client(systemID).Get("query_power_state", url.Values{}, func(data []byte) error {
+		return json.Unmarshal(data, ps)
+	})
+	return ps, err
+}

entity/machine.go

@@ -191,6 +191,11 @@ type MachineServiceSet struct {
 	StatusInfo string `json:"status_info,omitempty"`
 }
 
+// MachinePowerState represent current machines power state
+type MachinePowerState struct {
+	State string `json:"state,omitempty"`
+}
+
 // MachineParams enumerates the parameters for the machine update operation
 type MachineParams struct {
 	PowerType     string `url:"power_type,omitempty"`