def get_device_infor(self, device_name=None):
"""
@param device_name: name of interface in host
@return: return a dict with key: DNS,IP,MTU,MAC,netmask,gateway,network, etc.
"""
if self._hypervisor_handler is None:
self._hypervisor_handler = self.get_handler()
try:
device_dom = self._hypervisor_handler.interfaceLookupByName(
device_name)
except libvirtError as error:
log.error("Exception when get device infor: %s", error)
return {}
default_infor = {}
device_tree = xmlEtree.fromstring(device_dom.XMLDesc())
ip_element = device_tree.find("protocol[@family='ipv4']/ip")
if ip_element is not None:
prefix, ip = ip_element.attrib.get(
'prefix'), ip_element.attrib.get('address', None)
default_infor.setdefault('IP', ip)
default_infor.setdefault('netmask',
str(IPv4Address._make_netmask(prefix)[0]))
else:
default_infor.setdefault('IP', None)
default_infor.setdefault('netmask', None)
default_infor.setdefault('device', device_name)
default_infor.setdefault('DNS', None)
default_infor.setdefault('MAC', device_dom.MACString())
default_infor.setdefault('gateway', None)
return default_infor
def ip_addresses(self):
'''returns a list of tuples containing:
interface, ip address, netmask, and mask length'''
from ipaddress import IPv4Address as addr
ip_int_list = []
try:
self.intf = self.json["ietf-interfaces:interface"]["name"]
self.ip_address = self.json["ietf-interfaces:interface"][
"ietf-ip:ipv4"]["address"][0]["ip"]
self.netmask = self.json["ietf-interfaces:interface"][
"ietf-ip:ipv4"]["address"][0]["netmask"]
self.maskbits = addr._make_netmask(self.netmask)[1]
ip_int_list.append(
(self.intf, self.ip_address, self.netmask, self.maskbits))
except:
for i in self.json['ietf-interfaces:interfaces']["interface"]:
self.intf = i['name']
self.ip_address = i['ietf-ip:ipv4']['address'][0]['ip']
self.netmask = i["ietf-ip:ipv4"]["address"][0]["netmask"]
self.maskbits = addr._make_netmask(self.netmask)[1]
ip_int_list.append(
(self.intf, self.ip_address, self.netmask, self.maskbits))
return ip_int_list
))
self.logger.debug(
f"Sent out DHCP Request message to {dhcp_packet_rx.dhcp_srv_id}")
# Wait for DHCP Ack
if not (packet := socket.receive_from(timeout=5)):
self.logger.warning("Timeout waiting for DHCP Ack message")
return None, None
dhcp_packet_rx = ps_dhcp.DhcpPacket(packet.raw_data)
if dhcp_packet_rx.dhcp_msg_type != ps_dhcp.DHCP_ACK:
self.logger.warning("Didn't receive DHCP Offer message")
socket.close()
return None, None
self.logger.debug(
f"Received DHCP Offer from {dhcp_packet_rx.dhcp_srv_id}" +
f"IP: {dhcp_packet_rx.dhcp_yiaddr}, Mask: {dhcp_packet_rx.dhcp_subnet_mask}, Router: {dhcp_packet_rx.dhcp_router}"
+
f"DNS: {dhcp_packet_rx.dhcp_dns}, Domain: {dhcp_packet_rx.dhcp_domain_name}"
)
socket.close()
return (
IPv4Interface(
str(dhcp_packet_rx.dhcp_yiaddr) + "/" + str(
IPv4Address._make_netmask(
str(dhcp_packet_rx.dhcp_subnet_mask))[1])),
dhcp_packet_rx.dhcp_router[0],
)
dhcp_srv_id=dhcp_srv_id,
dhcp_req_ipv4_addr=dhcp_yiaddr,
dhcp_param_req_list=b"\x01\x1c\x02\x03\x0f\x06\x77\x0c\x2c\x2f\x1a\x79\x2a",
dhcp_host_name="PyTCP",
)
)
self.logger.debug(f"Sent out DHCP Request message to {dhcp_packet_rx.dhcp_srv_id}")
# Wait for DHCP Ack
if not (packet := socket.receive_from(timeout=5)):
self.logger.warning("Timeout waiting for DHCP Ack message")
return None, None
dhcp_packet_rx = ps_dhcp.DhcpPacket(packet.raw_data)
if dhcp_packet_rx.dhcp_msg_type != ps_dhcp.DHCP_ACK:
self.logger.warning("Didn't receive DHCP Offer message")
socket.close()
return None, None
self.logger.debug(
f"Received DHCP Offer from {dhcp_packet_rx.dhcp_srv_id}"
+ f"IP: {dhcp_packet_rx.dhcp_yiaddr}, Mask: {dhcp_packet_rx.dhcp_subnet_mask}, Router: {dhcp_packet_rx.dhcp_router}"
+ f"DNS: {dhcp_packet_rx.dhcp_dns}, Domain: {dhcp_packet_rx.dhcp_domain_name}"
)
socket.close()
return (
IPv4Interface(str(dhcp_packet_rx.dhcp_yiaddr) + "/" + str(IPv4Address._make_netmask(str(dhcp_packet_rx.dhcp_subnet_mask))[1])),
dhcp_packet_rx.dhcp_router[0],
)