18 MACHINE_ID = "/etc/machine-id"
27     def getUuid(self):  argument
41     def __init__(self, bus, name):  argument
42         super(ChassisControlObject, self).__init__(conn=bus, object_path=name)
44         self.dbus_objects = {
46                 "bus_name": "org.openbmc.control.Power",
48                 "interface_name": "org.openbmc.control.Power",
63         self.Set(DBUS_NAME, "uuid", self.getUuid())
64         self.Set(DBUS_NAME, "reboot", 0)
67             self.power_button_signal_handler,
73             self.long_power_button_signal_handler,
79             self.softreset_button_signal_handler,
86             self.host_watchdog_signal_handler,
91     def getInterface(self, name):  argument
92         o = self.dbus_objects[name]
97     def powerOn(self):  argument
98         print("Turn on power and boot")
99         self.Set(DBUS_NAME, "reboot", 0)
100         intf = self.getInterface("systemd")
102         f.call_async("obmc-host-start@0.target", "replace")
106     def powerOff(self):  argument
107         print("Turn off power")
108         intf = self.getInterface("systemd")
110         f.call_async("obmc-chassis-hard-poweroff@0.target", "replace")
114     def softPowerOff(self):  argument
115         print("Soft off power")
116         intf = self.getInterface("systemd")
118         f.call_async("obmc-host-shutdown@0.target", "replace")
122     def reboot(self):  argument
124         if self.getPowerState() != POWER_OFF:
125             self.Set(DBUS_NAME, "reboot", 1)
126             self.powerOff()
130     def softReboot(self):  argument
132         if self.getPowerState() != POWER_OFF:
133             self.Set(DBUS_NAME, "reboot", 1)
134             self.softPowerOff()
138     def quiesce(self):  argument
139         intf = self.getInterface("systemd")
141         f.call_async("obmc-host-quiesce@0.target", "replace")
145     def getPowerState(self):  argument
146         intf = self.getInterface("power_control")
151     def power_button_signal_handler(self):  argument
152         # toggle power, power-on / soft-power-off
153         state = self.getPowerState()
155             self.powerOn()
157             self.softPowerOff()
159     def long_power_button_signal_handler(self):  argument
160         print("Long-press button, hard power off")
161         self.powerOff()
163     def softreset_button_signal_handler(self):  argument
164         self.softReboot()
166     def host_watchdog_signal_handler(self):  argument
168         self.quiesce()