def _should_add_connection(self, connection):
"""Should the connection be added ?
:param connection: NetworkManager connection object
:type connection: NMConnection
:returns: tuple containing reply and message with reason
:rtype: (bool, str)
"""
decline_reason = ""
uuid = connection.get_uuid()
iface = get_iface_from_connection(self.nm_client, uuid)
connection_type = connection.get_connection_type()
device_type = self.setting_types.get(connection_type, None)
con_setting = connection.get_setting_connection()
# Ignore read-only connections
if con_setting and con_setting.get_read_only():
decline_reason = "read-only connection"
# Ignore libvirt devices
elif is_libvirt_device(iface or ""):
decline_reason = "libvirt special device connection"
# TODO we might want to remove the check if the devices are not renamed
# to ibftX in dracut (BZ #1749331)
# Ignore devices configured via iBFT
elif is_ibft_configured_device(iface or ""):
decline_reason = "configured from iBFT"
# Ignore unsupported device types
elif device_type not in supported_device_types:
decline_reason = "unsupported type"
# Ignore port connections
elif device_type == NM.DeviceType.ETHERNET:
if con_setting and con_setting.get_master():
decline_reason = "port connection"
# Wireless settings are handled in scope of configuration of its device
elif device_type == NM.DeviceType.WIFI:
decline_reason = "wireless connection"
reply = not decline_reason
return reply, decline_reason
def _get_vlan_interface_name_from_connection(self, connection):
"""Get vlan interface name from vlan connection.
If no interface name is specified in the connection settings, infer
the value as <PARENT_IFACE>.<VLAN_ID> - same as NetworkManager.
"""
iface = connection.get_setting_connection().get_interface_name()
if not iface:
setting_vlan = connection.get_setting_vlan()
if setting_vlan:
vlanid = setting_vlan.get_id()
parent = setting_vlan.get_parent()
# if parent is specified by UUID
if len(parent) == NM_CONNECTION_UUID_LENGTH:
parent = get_iface_from_connection(self.nm_client, parent)
if vlanid is not None and parent:
iface = default_ks_vlan_interface_name(parent, vlanid)
return iface
def get_kickstart_network_data(ifcfg,
nm_client,
network_data_class,
root_path=""):
"""Get kickstart data from ifcfg object.
:param ifcfg: ifcfg file object
:type ifcfg: IfcfgFile
:param nm_client: instance of NetworkManager client
:type nm_client: NM.Client
:param network_data_class: pykickstart network command data class
:type: pykickstart BaseData
:param root_path: optional root path for ifcfg files to be updated
:type root_path: str
:returns: network_data object corresponding to the ifcfg object
:rtype: network_data_class object instance
"""
ifcfg.read()
kwargs = {}
# no network command for non-virtual device slaves
if ifcfg.get("TYPE") not in ("Bond",
"Team") and ifcfg.get("DEVICETYPE") != "Team":
if ifcfg.get("MASTER") or ifcfg.get("TEAM_MASTER") or ifcfg.get(
"BRIDGE"):
return None
# no support for wireless
if ifcfg.get("TYPE") == "Wireless":
return None
# ipv4 and ipv6
if ifcfg.get("ONBOOT") and ifcfg.get("ONBOOT") == "no":
kwargs["onboot"] = False
if ifcfg.get('MTU') and ifcfg.get('MTU') != "0":
kwargs["mtu"] = ifcfg.get('MTU')
# ipv4
if not ifcfg.get('BOOTPROTO'):
kwargs["noipv4"] = True
else:
if util.lowerASCII(ifcfg.get('BOOTPROTO')) == 'dhcp':
kwargs["bootProto"] = "dhcp"
if ifcfg.get('DHCPCLASS'):
kwargs["dhcpclass"] = ifcfg.get('DHCPCLASS')
elif ifcfg.get('IPADDR'):
kwargs["bootProto"] = "static"
kwargs["ip"] = ifcfg.get('IPADDR')
netmask = ifcfg.get('NETMASK')
prefix = ifcfg.get('PREFIX')
if not netmask and prefix:
netmask = prefix2netmask(int(prefix))
if netmask:
kwargs["netmask"] = netmask
# note that --gateway is common for ipv4 and ipv6
if ifcfg.get('GATEWAY'):
kwargs["gateway"] = ifcfg.get('GATEWAY')
elif ifcfg.get('IPADDR0'):
kwargs["bootProto"] = "static"
kwargs["ip"] = ifcfg.get('IPADDR0')
prefix = ifcfg.get('PREFIX0')
if prefix:
netmask = prefix2netmask(int(prefix))
kwargs["netmask"] = netmask
# note that --gateway is common for ipv4 and ipv6
if ifcfg.get('GATEWAY0'):
kwargs["gateway"] = ifcfg.get('GATEWAY0')
# ipv6
if not ifcfg.get('IPV6INIT') or ifcfg.get('IPV6INIT') == "no":
kwargs["noipv6"] = True
else:
if ifcfg.get('IPV6_AUTOCONF') in ("yes", ""):
kwargs["ipv6"] = "auto"
else:
if ifcfg.get('IPV6ADDR'):
kwargs["ipv6"] = ifcfg.get('IPV6ADDR')
if ifcfg.get('IPV6_DEFAULTGW') \
and ifcfg.get('IPV6_DEFAULTGW') != "::":
kwargs["ipv6gateway"] = ifcfg.get('IPV6_DEFAULTGW')
if ifcfg.get('DHCPV6C') == "yes":
kwargs["ipv6"] = "dhcp"
# ipv4 and ipv6
dnsline = ''
for key in ifcfg.info.keys():
if util.upperASCII(key).startswith('DNS'):
if dnsline == '':
dnsline = ifcfg.get(key)
else:
dnsline += "," + ifcfg.get(key)
if dnsline:
kwargs["nameserver"] = dnsline
if ifcfg.get("ETHTOOL_OPTS"):
kwargs["ethtool"] = ifcfg.get("ETHTOOL_OPTS")
if ifcfg.get("ESSID"):
kwargs["essid"] = ifcfg.get("ESSID")
# hostname
if ifcfg.get("DHCP_HOSTNAME"):
kwargs["hostname"] = ifcfg.get("DHCP_HOSTNAME")
iface = ifcfg.get("DEVICE")
if not iface:
hwaddr = ifcfg.get("HWADDR")
if hwaddr:
iface = get_iface_from_hwaddr(nm_client, hwaddr)
if iface:
kwargs["device"] = iface
# bonding
# FIXME: dracut has only BOND_OPTS
if ifcfg.get("BONDING_MASTER") == "yes" or ifcfg.get("TYPE") == "Bond":
slaves = sorted(
get_slaves_from_ifcfgs(
nm_client,
"MASTER",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
if slaves:
kwargs["bondslaves"] = ",".join(iface for iface, uuid in slaves)
bondopts = ifcfg.get("BONDING_OPTS")
if bondopts:
sep = ","
if sep in bondopts:
sep = ";"
kwargs["bondopts"] = sep.join(bondopts.split())
# vlan
if ifcfg.get("VLAN") == "yes" or ifcfg.get("TYPE") == "Vlan":
physdev = ifcfg.get("PHYSDEV")
if len(physdev) == NM_CONNECTION_UUID_LENGTH:
physdev = get_iface_from_connection(nm_client, physdev)
kwargs["device"] = physdev
kwargs["vlanid"] = ifcfg.get("VLAN_ID")
interface_name = ifcfg.get("DEVICE")
default_name = default_ks_vlan_interface_name(kwargs["device"],
kwargs["vlanid"])
if interface_name and interface_name != default_name:
kwargs["interfacename"] = interface_name
# bridging
if ifcfg.get("TYPE") == "Bridge":
slaves = sorted(
get_slaves_from_ifcfgs(
nm_client,
"BRIDGE",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
if slaves:
kwargs["bridgeslaves"] = ",".join(iface for iface, uuid in slaves)
bridgeopts = ifcfg.get("BRIDGING_OPTS").replace('_', '-').split()
if ifcfg.get("STP"):
bridgeopts.append("%s=%s" % ("stp", ifcfg.get("STP")))
if ifcfg.get("DELAY"):
bridgeopts.append("%s=%s" % ("forward-delay", ifcfg.get("DELAY")))
if bridgeopts:
kwargs["bridgeopts"] = ",".join(bridgeopts)
nd = network_data_class(**kwargs)
# teaming
if ifcfg.get("TYPE") == "Team" or ifcfg.get("DEVICETYPE") == "Team":
slaves = sorted(
get_slaves_from_ifcfgs(
nm_client,
"TEAM_MASTER",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
for iface, uuid in slaves:
team_port_cfg = get_team_port_config_from_connection(
nm_client, uuid)
nd.teamslaves.append((iface, team_port_cfg))
teamconfig = get_team_config_from_connection(nm_client,
ifcfg.get("UUID"))
if teamconfig:
nd.teamconfig = teamconfig
return nd
def get_ifcfg_file_of_device(nm_client,
device_name,
device_hwaddr=None,
root_path=""):
"""Get ifcfg file for the device specified by name.
:param nm_client: instance of NetworkManager client
:type nm_client: NM.Client
:param device_name: name of the device
:type device_name: str
:param device_hwaddr: hardware address of the device
:type device_hwaddr: str
:param root_path: search in the filesystem specified by root path
:type root_path: str
:returns: ifcfg file object
:rtype: IfcfgFile
"""
# hwaddr is supplementary (--bindto=mac)
ifcfgs = []
for file_path in get_ifcfg_files_paths(
os.path.normpath(root_path + IFCFG_DIR)):
ifcfg = IfcfgFile(file_path)
ifcfg.read()
device_type = ifcfg.get("TYPE") or ifcfg.get("DEVICETYPE")
if device_type == "Wireless":
# TODO check ESSID against active ssid of the device
pass
elif device_type in ("Bond", "Team", "Bridge", "Infiniband"):
if ifcfg.get("DEVICE") == device_name:
ifcfgs.append(ifcfg)
elif device_type == "Vlan":
interface_name = ifcfg.get("DEVICE")
if interface_name:
if interface_name == device_name:
ifcfgs.append(ifcfg)
else:
physdev = ifcfg.get("PHYSDEV")
if len(physdev) == NM_CONNECTION_UUID_LENGTH:
physdev = get_iface_from_connection(nm_client, physdev)
vlanid = ifcfg.get("VLAN_ID")
generated_dev_name = default_ks_vlan_interface_name(
physdev, vlanid)
if device_name == generated_dev_name:
ifcfgs.append(ifcfg)
elif device_type == "Ethernet":
# Ignore slaves
if ifcfg.get("MASTER") or ifcfg.get("TEAM_MASTER") or ifcfg.get(
"BRIDGE"):
continue
device = ifcfg.get("DEVICE")
hwaddr = ifcfg.get("HWADDR")
if device:
if device == device_name:
ifcfgs.append(ifcfg)
elif hwaddr:
if device_hwaddr:
if device_hwaddr.upper() == hwaddr.upper():
ifcfgs.append(ifcfg)
else:
iface = get_iface_from_hwaddr(nm_client, hwaddr)
if iface == device_name:
ifcfgs.append(ifcfg)
elif is_s390():
# s390 setting generated in dracut with net.ifnames=0
# has neither DEVICE nor HWADDR (#1249750)
if ifcfg.get("NAME") == device_name:
ifcfgs.append(ifcfg)
if len(ifcfgs) > 1:
log.debug("Unexpected number of ifcfg files found for %s: %s",
device_name, [ifcfg.path for ifcfg in ifcfgs])
if ifcfgs:
return ifcfgs[0]
else:
log.debug("Ifcfg file for %s not found", device_name)
def add_connection(self, connection):
"""Add or update configuration for libnm connection object.
Filters out unsupported or special devices.
Only single configuration for given uuid is allowed. For devices
without persistent connection it will just update the configuration.
:param connection: NetworkManager conenction object
:type connection: NMConnection
:return: True if any configuration was added or modified, False otherwise
:rtype: bool
"""
uuid = connection.get_uuid()
existing_cfg = self.get_for_uuid(uuid)
if existing_cfg:
log.debug("add_connection: not adding %s: already existing: %s",
uuid, existing_cfg)
return False
# Filter out special or unsupported devices
should_add, reason = self._should_add_connection(connection)
if not should_add:
log.debug("add_connection: not adding %s: %s", uuid, reason)
return False
connection_type = connection.get_connection_type()
device_type = self.setting_types.get(connection_type, None)
iface = get_iface_from_connection(self.nm_client, uuid)
# Require interface name for physical devices
if device_type in supported_wired_device_types and not iface:
log.debug(
"add_connection: not adding %s: interface name is required for type %s",
uuid, device_type)
return False
# Handle also vlan connections without interface-name specified
if device_type == NM.DeviceType.VLAN:
if not iface:
iface = get_vlan_interface_name_from_connection(
self.nm_client, connection)
log.debug(
"add_connection: interface name for vlan connection %s inferred: %s",
uuid, iface)
iface_cfg = self._find_existing_cfg_for_iface(iface)
log.debug("add_connection: adding connection %s", uuid)
# virtual devices
if device_type in virtual_device_types:
if iface_cfg:
if not iface_cfg.connection_uuid:
self.attach(iface_cfg, connection_uuid=uuid)
return True
else:
# TODO check that the device shouldn't be reattached?
log.debug(
"add_connection: already have %s for device %s, adding another one",
iface_cfg.connection_uuid, iface_cfg.device_name)
self.add(connection_uuid=uuid, device_type=device_type)
# physical devices
else:
if iface_cfg:
if iface_cfg.connection_uuid:
log.debug(
"add_connection: already have %s for device %s, not adding %s",
iface_cfg.connection_uuid, iface_cfg.device_name, uuid)
return False
else:
self.attach(iface_cfg, connection_uuid=uuid)
else:
self.add(connection_uuid=uuid, device_type=device_type)
return True
def get_kickstart_network_data(ifcfg, nm_client, network_data_class, root_path=""):
"""Get kickstart data from ifcfg object.
:param ifcfg: ifcfg file object
:type ifcfg: IfcfgFile
:param nm_client: instance of NetworkManager client
:type nm_client: NM.Client
:param network_data_class: pykickstart network command data class
:type: pykickstart BaseData
:param root_path: optional root path for ifcfg files to be updated
:type root_path: str
:returns: network_data object corresponding to the ifcfg object
:rtype: network_data_class object instance
"""
ifcfg.read()
kwargs = {}
# no network command for non-virtual device slaves
if ifcfg.get("TYPE") not in ("Bond", "Team") and ifcfg.get("DEVICETYPE") != "Team":
if ifcfg.get("MASTER") or ifcfg.get("TEAM_MASTER") or ifcfg.get("BRIDGE"):
return None
# no support for wireless
if ifcfg.get("TYPE") == "Wireless":
return None
# ipv4 and ipv6
if ifcfg.get("ONBOOT") and ifcfg.get("ONBOOT") == "no":
kwargs["onboot"] = False
if ifcfg.get('MTU') and ifcfg.get('MTU') != "0":
kwargs["mtu"] = ifcfg.get('MTU')
# ipv4
if not ifcfg.get('BOOTPROTO'):
kwargs["noipv4"] = True
else:
if util.lowerASCII(ifcfg.get('BOOTPROTO')) == 'dhcp':
kwargs["bootProto"] = "dhcp"
if ifcfg.get('DHCPCLASS'):
kwargs["dhcpclass"] = ifcfg.get('DHCPCLASS')
elif ifcfg.get('IPADDR'):
kwargs["bootProto"] = "static"
kwargs["ip"] = ifcfg.get('IPADDR')
netmask = ifcfg.get('NETMASK')
prefix = ifcfg.get('PREFIX')
if not netmask and prefix:
netmask = prefix2netmask(int(prefix))
if netmask:
kwargs["netmask"] = netmask
# note that --gateway is common for ipv4 and ipv6
if ifcfg.get('GATEWAY'):
kwargs["gateway"] = ifcfg.get('GATEWAY')
elif ifcfg.get('IPADDR0'):
kwargs["bootProto"] = "static"
kwargs["ip"] = ifcfg.get('IPADDR0')
prefix = ifcfg.get('PREFIX0')
if prefix:
netmask = prefix2netmask(int(prefix))
kwargs["netmask"] = netmask
# note that --gateway is common for ipv4 and ipv6
if ifcfg.get('GATEWAY0'):
kwargs["gateway"] = ifcfg.get('GATEWAY0')
# ipv6
if not ifcfg.get('IPV6INIT') or ifcfg.get('IPV6INIT') == "no":
kwargs["noipv6"] = True
else:
if ifcfg.get('IPV6_AUTOCONF') in ("yes", ""):
kwargs["ipv6"] = "auto"
else:
if ifcfg.get('IPV6ADDR'):
kwargs["ipv6"] = ifcfg.get('IPV6ADDR')
if ifcfg.get('IPV6_DEFAULTGW') \
and ifcfg.get('IPV6_DEFAULTGW') != "::":
kwargs["ipv6gateway"] = ifcfg.get('IPV6_DEFAULTGW')
if ifcfg.get('DHCPV6C') == "yes":
kwargs["ipv6"] = "dhcp"
# ipv4 and ipv6
dnsline = ''
for key in ifcfg.info.keys():
if util.upperASCII(key).startswith('DNS'):
if dnsline == '':
dnsline = ifcfg.get(key)
else:
dnsline += "," + ifcfg.get(key)
if dnsline:
kwargs["nameserver"] = dnsline
if ifcfg.get("ETHTOOL_OPTS"):
kwargs["ethtool"] = ifcfg.get("ETHTOOL_OPTS")
if ifcfg.get("ESSID"):
kwargs["essid"] = ifcfg.get("ESSID")
# hostname
if ifcfg.get("DHCP_HOSTNAME"):
kwargs["hostname"] = ifcfg.get("DHCP_HOSTNAME")
iface = ifcfg.get("DEVICE")
if not iface:
hwaddr = ifcfg.get("HWADDR")
if hwaddr:
iface = get_iface_from_hwaddr(nm_client, hwaddr)
if iface:
kwargs["device"] = iface
# bonding
# FIXME: dracut has only BOND_OPTS
if ifcfg.get("BONDING_MASTER") == "yes" or ifcfg.get("TYPE") == "Bond":
slaves = sorted(get_slaves_from_ifcfgs(nm_client,
"MASTER",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
if slaves:
kwargs["bondslaves"] = ",".join(iface for iface, uuid in slaves)
bondopts = ifcfg.get("BONDING_OPTS")
if bondopts:
sep = ","
if sep in bondopts:
sep = ";"
kwargs["bondopts"] = sep.join(bondopts.split())
# vlan
if ifcfg.get("VLAN") == "yes" or ifcfg.get("TYPE") == "Vlan":
physdev = ifcfg.get("PHYSDEV")
if len(physdev) == NM_CONNECTION_UUID_LENGTH:
physdev = get_iface_from_connection(nm_client, physdev)
kwargs["device"] = physdev
kwargs["vlanid"] = ifcfg.get("VLAN_ID")
interface_name = ifcfg.get("DEVICE")
if interface_name and interface_name != default_ks_vlan_interface_name(kwargs["device"], kwargs["vlanid"]):
kwargs["interfacename"] = interface_name
# bridging
if ifcfg.get("TYPE") == "Bridge":
slaves = sorted(get_slaves_from_ifcfgs(nm_client,
"BRIDGE",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
if slaves:
kwargs["bridgeslaves"] = ",".join(iface for iface, uuid in slaves)
bridgeopts = ifcfg.get("BRIDGING_OPTS").replace('_', '-').split()
if ifcfg.get("STP"):
bridgeopts.append("%s=%s" % ("stp", ifcfg.get("STP")))
if ifcfg.get("DELAY"):
bridgeopts.append("%s=%s" % ("forward-delay", ifcfg.get("DELAY")))
if bridgeopts:
kwargs["bridgeopts"] = ",".join(bridgeopts)
nd = network_data_class(**kwargs)
# teaming
if ifcfg.get("TYPE") == "Team" or ifcfg.get("DEVICETYPE") == "Team":
slaves = sorted(get_slaves_from_ifcfgs(nm_client,
"TEAM_MASTER",
[ifcfg.get("DEVICE"), ifcfg.get("UUID")],
root_path=root_path))
for iface, uuid in slaves:
team_port_cfg = get_team_port_config_from_connection(nm_client, uuid)
nd.teamslaves.append((iface, team_port_cfg))
teamconfig = get_team_config_from_connection(nm_client, ifcfg.get("UUID"))
if teamconfig:
nd.teamconfig = teamconfig
return nd
def get_ifcfg_file_of_device(nm_client, device_name, device_hwaddr=None, root_path=""):
"""Get ifcfg file for the device specified by name.
:param nm_client: instance of NetworkManager client
:type nm_client: NM.Client
:param device_name: name of the device
:type device_name: str
:param hwaddr: hardware address of the device
:type hwaddr: str
:param root_path: search in the filesystem specified by root path
:type root_path: str
:returns: ifcfg file object
:rtype: IfcfgFile
"""
# hwaddr is supplementary (--bindto=mac)
ifcfgs = []
for file_path in get_ifcfg_files_paths(os.path.normpath(root_path + IFCFG_DIR)):
ifcfg = IfcfgFile(file_path)
ifcfg.read()
device_type = ifcfg.get("TYPE") or ifcfg.get("DEVICETYPE")
if device_type == "Wireless":
# TODO check ESSID against active ssid of the device
pass
elif device_type in ("Bond", "Team", "Bridge", "Infiniband"):
if ifcfg.get("DEVICE") == device_name:
ifcfgs.append(ifcfg)
elif device_type == "Vlan":
interface_name = ifcfg.get("DEVICE")
if interface_name:
if interface_name == device_name:
ifcfgs.append(ifcfg)
else:
physdev = ifcfg.get("PHYSDEV")
if len(physdev) == NM_CONNECTION_UUID_LENGTH:
physdev = get_iface_from_connection(nm_client, physdev)
vlanid = ifcfg.get("VLAN_ID")
generated_dev_name = default_ks_vlan_interface_name(physdev, vlanid)
if device_name == generated_dev_name:
ifcfgs.append(ifcfg)
elif device_type == "Ethernet":
# Ignore slaves
if ifcfg.get("MASTER") or ifcfg.get("TEAM_MASTER") or ifcfg.get("BRIDGE"):
continue
device = ifcfg.get("DEVICE")
hwaddr = ifcfg.get("HWADDR")
if device:
if device == device_name:
ifcfgs.append(ifcfg)
elif hwaddr:
if device_hwaddr:
if device_hwaddr.upper() == hwaddr.upper():
ifcfgs.append(ifcfg)
else:
iface = get_iface_from_hwaddr(nm_client, hwaddr)
if iface == device_name:
ifcfgs.append(ifcfg)
elif is_s390():
# s390 setting generated in dracut with net.ifnames=0
# has neither DEVICE nor HWADDR (#1249750)
if ifcfg.get("NAME") == device_name:
ifcfgs.append(ifcfg)
if len(ifcfgs) > 1:
log.debug("Unexpected number of ifcfg files found for %s: %s", device_name,
[ifcfg.path for ifcfg in ifcfgs])
if ifcfgs:
return ifcfgs[0]
else:
log.debug("Ifcfg file for %s not found", device_name)
