def getMacAddress(network, name):
global mac_dict
if (network == PUBLIC_BRIDGE and
os.path.exists(PUBLIC_MAC_FILE) and name in mac_dict):
mac = mac_dict[name]
print 'Use %s for nic connected to %s' % (mac, network)
else:
mac = randomMAC()
return mac
def __init__(self, type, net_name, mac_address=None):
if type not in Network.valid_types:
raise domain.IllegalArgumentError(Network.valid_types, type)
self.type = type
self.net_name = net_name
if mac_address is None:
self.mac_address = randomMAC()
else:
self.mac_address = mac_address
def __init__(self, type, net_name, mac_address=None):
if type not in Network.valid_types:
raise domain.IllegalArgumentError(Network.valid_types, type)
self.type = type
self.net_name = net_name
if mac_address is None:
self.mac_address = randomMAC()
else:
self.mac_address = mac_address
def _generate_random_mac(self):
if self.conn and not self._random_mac:
found = False
for ignore in range(256):
self._random_mac = util.randomMAC(self.conn.getType().lower(),
conn=self.conn)
ret = self.is_conflict_net(self.conn, self._random_mac)
if ret[1] is not None:
continue
found = True
break
if not found:
logging.debug("Failed to generate non-conflicting MAC")
return self._random_mac
def _generate_random_mac(self):
if self.conn and not self._random_mac:
found = False
for ignore in range(256):
self._random_mac = util.randomMAC(self.conn.getType().lower(),
conn=self.conn)
ret = self.is_conflict_net(self.conn, self._random_mac)
if ret[1] is not None:
continue
found = True
break
if not found:
logging.debug("Failed to generate non-conflicting MAC")
return self._random_mac
def clone_vm(base_name, vm_name):
image = VM_IMG % vm_name
mac = randomMAC()
cmd = ["virt-clone", "--connect", "qemu:///system", "-o",
base_name, "-n", vm_name, "-f", image,
"--preserve-data", "--mac", mac]
run_cmd(cmd, sudo=True)
libvirt_conn = libvirt.open("qemu:///system")
base_image = get_vm_disks(base_name, libvirt_conn)['vda']
create_qcow2_image(image, base_image)
guest_ip = update_network_map(vm_name, mac)
update_guest(vm_name, mac)
time.sleep(10)
start_vm(vm_name, libvirt_conn)
if 'engine' in base_name:
time.sleep(20)
setup_engine(vm_name, guest_ip)
#!/usr/bin/env python
#author by limin
from virtinst.util import randomMAC
import commands
for i in range(20):
print randomMAC(type='qemu'),commands.getoutput('uuidgen')
def randomMAC():
return virtutils.randomMAC("qemu")
def createVm(self, name, cpu=1, memory=1048576, nics=[], hdd_format="qcow2",
hdd_size="10G", type="kvm", vmCreateTmplFile=None, cdromIso="/dev/null"):
logging.info("Creating domain with name: %s, cpu: %s, mem: %s, nics: %s, hdd_format: %s, hdd_size: %s, cdrom_iso: %s, tmplFile: %s",
name, cpu, memory, nics, hdd_format, hdd_size, cdromIso, vmCreateTmplFile)
if not vmCreateTmplFile: vmCreateTmplFile = self._vmCreateTmplFile
params = {'name':name,
'cpu':cpu,
'memory':memory,
'nics':[],
'format':hdd_format,
'type':type,
'hdd_size':hdd_size,
'cdrom_iso': cdromIso}
# Add extra parms to nics list
for i, nic in enumerate(nics):
mac = virtutils.randomMAC("qemu")
targetdev = "vnet%s" % i
slot = '0x%02x' % self.getNextSlot()
param = {'network': nic,
'mac': mac,
'slot': slot,
'targetdev': targetdev}
params['nics'].append(param)
# Load template file
with open(vmCreateTmplFile) as f:
tmpl = Template(f.read())
libVirtTmpXmlFile = "%s_%s.xml" % (self._tmpLibVirtXmlFilePrefix, name)
with open(libVirtTmpXmlFile, "w+") as f:
f.write(tmpl.render(params))
# Delete any existing domain defs
try:
domain = self._connection.lookupByName(name)
if domain:
try:
if domain.info()[0] == VIR_DOMAIN_RUNNING:
domain.destroy()
except Exception:
pass
domain.undefine()
except Exception:
pass
# Define machine
domain = None
with open(libVirtTmpXmlFile) as f:
domain = self._connection.defineXML(f.read())
# Create vhd
call(['qemu-img', 'create', "/var/lib/libvirt/images/%s.%s" % (name, hdd_format), "-f", hdd_format, hdd_size])
# Start machine
if domain:
domain.create()
logging.info("Successfully created domain: %s" % name)
else:
logging.error("Unable to create domain: %s" % name)
# Return information about machine (eg: mac addresses)
return params
