pytools/obmcutil

#!/usr/bin/python

import sys
import dbus
import argparse

descriptors = {
    'power': {
        'bus_name': 'org.openbmc.control.Power',
        'object_name': '/org/openbmc/control/power0',
        'interface_name': 'org.openbmc.control.Power'
    },
    'chassison': {
        'bus_name': 'xyz.openbmc_project.State.Chassis',
        'object_name': '/xyz/openbmc_project/state/chassis0',
        'interface_name': 'xyz.openbmc_project.State.Chassis',
        'property': 'RequestedPowerTransition',
        'value': 'xyz.openbmc_project.State.Chassis.Transition.On'
    },
    'chassisoff': {
        'bus_name': 'xyz.openbmc_project.State.Chassis',
        'object_name': '/xyz/openbmc_project/state/chassis0',
        'interface_name': 'xyz.openbmc_project.State.Chassis',
        'property': 'RequestedPowerTransition',
        'value': 'xyz.openbmc_project.State.Chassis.Transition.Off'
    },
    'poweron': {
        'bus_name': 'xyz.openbmc_project.State.Host',
        'object_name': '/xyz/openbmc_project/state/host0',
        'interface_name': 'xyz.openbmc_project.State.Host',
        'property': 'RequestedHostTransition',
        'value': 'xyz.openbmc_project.State.Host.Transition.On'
    },
    'poweroff': {
        'bus_name': 'xyz.openbmc_project.State.Host',
        'object_name': '/xyz/openbmc_project/state/host0',
        'interface_name': 'xyz.openbmc_project.State.Host',
        'property': 'RequestedHostTransition',
        'value': 'xyz.openbmc_project.State.Host.Transition.Off'
    },
    'bmcstate': {
        'bus_name': 'xyz.openbmc_project.State.BMC',
        'object_name': '/xyz/openbmc_project/state/bmc0',
        'interface_name': 'xyz.openbmc_project.State.BMC',
        'property': 'CurrentBMCState',
    },
    'chassisstate': {
        'bus_name': 'xyz.openbmc_project.State.Chassis',
        'object_name': '/xyz/openbmc_project/state/chassis0',
        'interface_name': 'xyz.openbmc_project.State.Chassis',
        'property': 'CurrentPowerState',
    },
    'hoststate': {
        'bus_name': 'xyz.openbmc_project.State.Host',
        'object_name': '/xyz/openbmc_project/state/host0',
        'interface_name': 'xyz.openbmc_project.State.Host',
        'property': 'CurrentHostState',
    },
    'bootprogress': {
        'bus_name': 'xyz.openbmc_project.State.Host',
        'object_name': '/xyz/openbmc_project/state/host0',
        'interface_name': 'xyz.openbmc_project.State.Boot.Progress',
        'property': 'BootProgress',
    },
    'state' : ['bmcstate', 'chassisstate', 'hoststate']
}

def run_one_command(dbus_bus, descriptor):
    bus = descriptor['bus_name']
    obj = descriptor['object_name']
    iface = descriptor['interface_name']
    dbus_obj = dbus_bus.get_object(bus, obj)

    if (descriptor.has_key('property')):
        prop = descriptor['property']
        dbus_iface = dbus.Interface(dbus_obj, "org.freedesktop.DBus.Properties")
        if descriptor.has_key('value'):
            dbus_iface.Set(iface, prop, descriptor['value'])
        else:
            dbus_prop = dbus_iface.Get(iface, prop)
            print '{:<20}: {}'.format(prop, str(dbus_prop))
    else:
        dbus_iface = dbus.Interface(dbus_obj, "org.freedesktop.DBus.Properties")
        props = dbus_iface.GetAll(iface)
        for p in props:
            print "{} = {}".format(p, str(props[p]))

def run_all_commands(dbus_bus, recipe):
    if isinstance(recipe, dict):
        run_one_command(dbus_bus, recipe)
        return

    assert isinstance(recipe, list)
    for command in recipe:
        run_one_command(dbus_bus, descriptors[command])

def main():
    parser = argparse.ArgumentParser()
    parser.add_argument('recipe', choices=sorted(descriptors.keys()))
    args = parser.parse_args()

    dbus_bus = dbus.SystemBus()
    try:
        run_all_commands(dbus_bus, descriptors[args.recipe], args)
    finally:
        dbus_bus.close()

if __name__ == "__main__":
    main()