/usr/bin/python3-virshbmc is in python3-pyghmi 1.0.32-4.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | #! /usr/bin/python3
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# Written by pmartini2, but mostly a clone of fakebmc, written by jjohnson2
__author__ = 'pmartini2@bloomberg.net'
# This is a simple, but working proof of concept of using pyghmi.ipmi.bmc to
# control a VM
import argparse
import libvirt
import pyghmi.ipmi.bmc as bmc
import sys
import threading
def lifecycle_callback(connection, domain, event, detail, console):
console.state = console.domain.state(0)
def error_handler(unused, error):
if (error[0] == libvirt.VIR_ERR_RPC and
error[1] == libvirt.VIR_FROM_STREAMS):
return
def stream_callback(stream, events, console):
try:
data = console.stream.recv(1024)
except Exception:
return
if console.sol:
console.sol.send_data(data)
class LibvirtBmc(bmc.Bmc):
"""A class to provide an IPMI interface to the VirtualBox APIs."""
def __init__(self, authdata, hypervisor, domain, port):
super(LibvirtBmc, self).__init__(authdata, port)
# Rely on libvirt to throw on bad data
self.conn = libvirt.open(hypervisor)
self.name = domain
self.domain = self.conn.lookupByName(domain)
self.state = self.domain.state(0)
self.stream = None
self.run_console = False
self.conn.domainEventRegister(lifecycle_callback, self)
self.sol_thread = None
def cold_reset(self):
# Reset of the BMC, not managed system, here we will exit the demo
print 'shutting down in response to BMC cold reset request'
sys.exit(0)
def get_power_state(self):
if self.domain.isActive():
return 'on'
else:
return 'off'
def power_off(self):
if not self.domain.isActive():
return 0xd5 # Not valid in this state
self.domain.destroy()
def power_on(self):
if self.domain.isActive():
return 0xd5 # Not valid in this state
self.domain.create()
def power_reset(self):
if not self.domain.isActive():
return 0xd5 # Not valid in this state
self.domain.reset()
def power_shutdown(self):
if not self.domain.isActive():
return 0xd5 # Not valid in this state
self.domain.shutdown()
def is_active(self):
return self.domain.isActive()
def check_console(self):
if (self.state[0] == libvirt.VIR_DOMAIN_RUNNING or
self.state[0] == libvirt.VIR_DOMAIN_PAUSED):
if self.stream is None:
self.stream = self.conn.newStream(libvirt.VIR_STREAM_NONBLOCK)
self.domain.openConsole(None, self.stream, 0)
self.stream.eventAddCallback(libvirt.VIR_STREAM_EVENT_READABLE,
stream_callback, self)
else:
if self.stream:
self.stream.eventRemoveCallback()
self.stream = None
return self.run_console
def activate_payload(self, request, session):
super(LibvirtBmc, self).activate_payload(request, session)
self.run_console = True
self.sol_thread = threading.Thread(target=self.loop)
self.sol_thread.start()
def deactivate_payload(self, request, session):
self.run_console = False
self.sol_thread.join()
super(LibvirtBmc, self).deactivate_payload(request, session)
def iohandler(self, data):
if self.stream:
self.stream.send(data)
def loop(self):
while self.check_console():
libvirt.virEventRunDefaultImpl()
if __name__ == '__main__':
parser = argparse.ArgumentParser(
prog='virshbmc',
description='Pretend to be a BMC and proxy to virsh',
formatter_class=argparse.ArgumentDefaultsHelpFormatter
)
parser.add_argument('--port',
dest='port',
type=int,
default=623,
help='(UDP) port to listen on')
parser.add_argument('--connect',
dest='hypervisor',
default='qemu:///system',
help='The hypervisor to connect to')
parser.add_argument('--domain',
dest='domain',
required=True,
help='The name of the domain to manage')
args = parser.parse_args()
libvirt.virEventRegisterDefaultImpl()
libvirt.registerErrorHandler(error_handler, None)
mybmc = LibvirtBmc({'admin': 'password'},
hypervisor=args.hypervisor,
domain=args.domain,
port=args.port)
mybmc.listen()
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