def block(self):
"""Block all traffic in network"""
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name,
uuid=self._nwfilter.UUIDString(),
rule=dict(action='drop', direction='inout', priority='-1000'))
self.driver.conn.nwfilterDefineXML(filter_xml)
def define(self):
# define filter first
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name)
self.driver.conn.nwfilterDefineXML(filter_xml)
bridge_name = self.driver.get_available_device_name(prefix='virbr')
# TODO(ddmitriev): check if 'vlan' package installed
# Define tagged interfaces on the bridge
for vlanid in self.vlan_ifaces:
self.iface_define(name=bridge_name, vlanid=vlanid)
# Define libvirt network
ip_network_address = None
ip_network_prefixlen = None
dhcp_range_start = None
dhcp_range_end = None
addresses = []
if self.address_pool is not None:
# Reserved names 'l2_network_device' and 'dhcp'
ip_network_address = self.address_pool.get_ip('l2_network_device')
# Workaround for fuel-qa compatibility, if 'l2_network_device'
# address was not reserved in the YAML template
if not ip_network_address:
ip_network_address = str(self.address_pool.ip_network[1])
ip_network_prefixlen = str(self.address_pool.ip_network.prefixlen)
dhcp_range_start = self.address_pool.ip_range_start('dhcp')
dhcp_range_end = self.address_pool.ip_range_end('dhcp')
for interface in self.interfaces:
for address in interface.addresses:
ip_addr = netaddr.IPAddress(address.ip_address)
if ip_addr in self.address_pool.ip_network:
addresses.append(
dict(mac=str(interface.mac_address),
ip=str(address.ip_address),
name=interface.node.name))
xml = LibvirtXMLBuilder.build_network_xml(
network_name=self.network_name,
bridge_name=bridge_name,
addresses=addresses,
forward=self.forward.mode,
ip_network_address=ip_network_address,
ip_network_prefixlen=ip_network_prefixlen,
dhcp_range_start=dhcp_range_start,
dhcp_range_end=dhcp_range_end,
stp=self.driver.stp,
has_pxe_server=self.has_pxe_server,
has_dhcp_server=self.has_dhcp_server,
tftp_root_dir=self.tftp_root_dir,
)
ret = self.driver.conn.networkDefineXML(xml)
ret.setAutostart(True)
self.uuid = ret.UUIDString()
super(LibvirtL2NetworkDevice, self).define()
def block(self):
"""Block all traffic in network"""
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name,
uuid=self._nwfilter.UUIDString(),
rule=dict(action='drop',
direction='inout',
priority='-1000'))
self.driver.conn.nwfilterDefineXML(filter_xml)
def unblock(self):
"""Unblock all traffic in network"""
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name,
uuid=self._nwfilter.UUIDString())
self.driver.conn.nwfilterDefineXML(filter_xml)
def define(self):
# define filter first
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name)
self.driver.conn.nwfilterDefineXML(filter_xml)
bridge_name = self.driver.get_available_device_name(prefix='virbr')
# TODO(ddmitriev): check if 'vlan' package installed
# Define tagged interfaces on the bridge
for vlanid in self.vlan_ifaces:
self.iface_define(name=bridge_name, vlanid=vlanid)
# Define libvirt network
ip_network_address = None
ip_network_prefixlen = None
dhcp_range_start = None
dhcp_range_end = None
addresses = []
if self.address_pool is not None:
# Reserved names 'l2_network_device' and 'dhcp'
ip_network_address = self.address_pool.get_ip('l2_network_device')
# Workaround for fuel-qa compatibility, if 'l2_network_device'
# address was not reserved in the YAML template
if not ip_network_address:
ip_network_address = str(self.address_pool.ip_network[1])
ip_network_prefixlen = str(self.address_pool.ip_network.prefixlen)
dhcp_range_start = self.address_pool.ip_range_start('dhcp')
dhcp_range_end = self.address_pool.ip_range_end('dhcp')
for interface in self.interfaces:
for address in interface.addresses:
ip_addr = netaddr.IPAddress(address.ip_address)
if ip_addr in self.address_pool.ip_network:
addresses.append(dict(
mac=str(interface.mac_address),
ip=str(address.ip_address),
name=interface.node.name
))
xml = LibvirtXMLBuilder.build_network_xml(
network_name=self.network_name,
bridge_name=bridge_name,
addresses=addresses,
forward=self.forward.mode,
ip_network_address=ip_network_address,
ip_network_prefixlen=ip_network_prefixlen,
dhcp_range_start=dhcp_range_start,
dhcp_range_end=dhcp_range_end,
stp=self.driver.stp,
has_pxe_server=self.has_pxe_server,
has_dhcp_server=self.has_dhcp_server,
tftp_root_dir=self.tftp_root_dir,
)
ret = self.driver.conn.networkDefineXML(xml)
ret.setAutostart(True)
self.uuid = ret.UUIDString()
super(LibvirtL2NetworkDevice, self).define()
def unblock(self):
"""Unblock all traffic in network"""
filter_xml = LibvirtXMLBuilder.build_network_filter(
name=self.network_name, uuid=self._nwfilter.UUIDString())
self.driver.conn.nwfilterDefineXML(filter_xml)
