def get_ip_networks(self):
ip_networks = dict()
xml = self._XMLDesc(0)
if util.get_xml_path(xml, "/network/ip") is None:
return ip_networks
tree = etree.fromstring(xml)
ips = tree.findall('.ip')
for ip in ips:
address_str = ip.get('address')
netmask_str = ip.get('netmask')
prefix = ip.get('prefix')
family = ip.get('family', 'ipv4')
base = 32 if family == 'ipv4' else 128
if prefix:
prefix = int(prefix)
binstr = ((prefix * "1") + ((base - prefix) * "0"))
netmask_str = str(IP(int(binstr, base=2)))
if netmask_str:
netmask = IP(netmask_str)
gateway = IP(address_str)
network = IP(gateway.int() & netmask.int())
netmask_str = netmask_str if family == 'ipv4' else str(prefix)
ret = IP(str(network) + "/" + netmask_str)
else:
ret = IP(str(address_str))
ip_networks[family] = ret
return ip_networks
def modify_fixed_address(self, name, address, mac):
util.validate_macaddr(mac)
if name:
new_xml = '<host mac="{}" name="{}" ip="{}"/>'.format(
mac, name, IP(address))
else:
new_xml = '<host mac="{}" ip="{}"/>'.format(mac, IP(address))
new_host_xml = ElementTree.fromstring(new_xml)
tree = ElementTree.fromstring(self._XMLDesc(0))
hosts = tree.findall("./ip/dhcp/host")
host = None
for h in hosts:
if h.get('mac') == mac:
host = h
break
if host is None:
self.update(
VIR_NETWORK_UPDATE_COMMAND_ADD_LAST,
VIR_NETWORK_SECTION_IP_DHCP_HOST, -1, new_xml,
VIR_NETWORK_UPDATE_AFFECT_LIVE
| VIR_NETWORK_UPDATE_AFFECT_CONFIG)
else:
# change the host
if host.get('name') == new_host_xml.get('name') and host.get(
'ip') == new_host_xml.get('ip'):
return False
else:
self.update(
VIR_NETWORK_UPDATE_COMMAND_MODIFY,
VIR_NETWORK_SECTION_IP_DHCP_HOST, -1, new_xml,
VIR_NETWORK_UPDATE_AFFECT_LIVE
| VIR_NETWORK_UPDATE_AFFECT_CONFIG)
def get_ipv4_dhcp_range(self):
xml = self._XMLDesc(0)
dhcpstart = util.get_xml_path(xml, "/network/ip/dhcp/range[1]/@start")
dhcpend = util.get_xml_path(xml, "/network/ip/dhcp/range[1]/@end")
if not dhcpstart or not dhcpend:
return None
return [IP(dhcpstart), IP(dhcpend)]
def network_size(net, dhcp=None):
"""
Func return gateway, mask and dhcp pool.
"""
mask = IP(net).strNetmask()
addr = IP(net)
gateway = addr[1].strNormal()
dhcp_pool = [addr[2].strNormal(), addr[addr.len() - 2].strNormal()]
if dhcp:
return gateway, mask, dhcp_pool
else:
return gateway, mask, None
def network_size(net, dhcp=None):
"""
Func return gateway, mask and dhcp pool.
"""
mask = IP(net).strNetmask()
addr = IP(net)
gateway = addr[1].strNormal()
dhcp_pool = [addr[2].strNormal(), addr[addr.len() - 2].strNormal()]
if dhcp:
return gateway, mask, dhcp_pool
else:
return gateway, mask, None
def get_dhcp_range(self, family='ipv4'):
xml = self._XMLDesc(0)
if family == 'ipv4':
dhcpstart = util.get_xml_path(xml, "/network/ip[not(@family='ipv6')]/dhcp/range[1]/@start")
dhcpend = util.get_xml_path(xml, "/network/ip[not(@family='ipv6')]/dhcp/range[1]/@end")
if family == 'ipv6':
dhcpstart = util.get_xml_path(xml, "/network/ip[@family='ipv6']/dhcp/range[1]/@start")
dhcpend = util.get_xml_path(xml, "/network/ip[@family='ipv6']/dhcp/range[1]/@end")
if not dhcpstart or not dhcpend:
return None
return [IP(dhcpstart), IP(dhcpend)]
def network_size(subnet, dhcp=None):
"""
Func return gateway, mask and dhcp pool.
"""
mask = IP(subnet).strNetmask()
addr = IP(subnet)
gateway = addr[1].strCompressed()
if addr.version() == 4:
dhcp_pool = [addr[2].strCompressed(), addr[addr.len() - 2].strCompressed()]
if addr.version() == 6:
mask = mask.lstrip('/') if '/' in mask else mask
dhcp_pool = [IP(addr[0].strCompressed() + hex(256)), IP(addr[0].strCompressed() + hex(512 - 1))]
if dhcp:
return gateway, mask, dhcp_pool
else:
return gateway, mask, None
def get_ipv4_network(self):
xml = self._XMLDesc(0)
if util.get_xml_path(xml, "/network/ip") is None:
return None
addrStr = util.get_xml_path(xml, "/network/ip/@address")
netmaskStr = util.get_xml_path(xml, "/network/ip/@netmask")
prefix = util.get_xml_path(xml, "/network/ip/@prefix")
if prefix:
prefix = int(prefix)
binstr = ((prefix * "1") + ((32 - prefix) * "0"))
netmaskStr = str(IP(int(binstr, base=2)))
if netmaskStr:
netmask = IP(netmaskStr)
gateway = IP(addrStr)
network = IP(gateway.int() & netmask.int())
ret = IP(str(network) + "/" + netmaskStr)
else:
ret = IP(str(addrStr))
return ret
def get_ipv4_network(self):
xml = self._XMLDesc(0)
if util.get_xml_path(xml, "/network/ip") is None:
return None
addrStr = util.get_xml_path(xml, "/network/ip/@address")
netmaskStr = util.get_xml_path(xml, "/network/ip/@netmask")
prefix = util.get_xml_path(xml, "/network/ip/@prefix")
if prefix:
prefix = int(prefix)
binstr = ((prefix * "1") + ((32 - prefix) * "0"))
netmaskStr = str(IP(int(binstr, base=2)))
if netmaskStr:
netmask = IP(netmaskStr)
gateway = IP(addrStr)
network = IP(gateway.int() & netmask.int())
ret = IP(str(network) + "/" + netmaskStr)
else:
ret = IP(str(addrStr))
return ret
def modify_fixed_address(self, name, address, mac_duid, family='ipv4'):
tree = etree.fromstring(self._XMLDesc(0))
if family == 'ipv4':
new_xml = '<host mac="{}" {} ip="{}"/>'.format(
mac_duid, 'name="' + name + '"' if name else '', IP(address))
hosts = tree.xpath("./ip[not(@family='ipv6')]/dhcp/host")
compare_var = 'mac'
parent_index = self.parent_count - 2
if family == 'ipv6':
new_xml = '<host id="{}" {} ip="{}"/>'.format(
mac_duid, 'name="' + name + '"' if name else '', IP(address))
hosts = tree.xpath("./ip[@family='ipv6']/dhcp/host")
compare_var = 'id'
parent_index = self.parent_count - 1
new_host_xml = etree.fromstring(new_xml)
host = None
for h in hosts:
if h.get(compare_var) == mac_duid:
host = h
break
if host is None:
self.update(
VIR_NETWORK_UPDATE_COMMAND_ADD_LAST,
VIR_NETWORK_SECTION_IP_DHCP_HOST, new_xml, parent_index,
VIR_NETWORK_UPDATE_AFFECT_LIVE
| VIR_NETWORK_UPDATE_AFFECT_CONFIG)
else:
# change the host
if host.get('name') == new_host_xml.get('name') and host.get(
'ip') == new_host_xml.get('ip'):
return False
else:
self.update(
VIR_NETWORK_UPDATE_COMMAND_MODIFY,
VIR_NETWORK_SECTION_IP_DHCP_HOST, new_xml, parent_index,
VIR_NETWORK_UPDATE_AFFECT_LIVE
| VIR_NETWORK_UPDATE_AFFECT_CONFIG)
