Disable pep8 import check for pyroute2 library

Since version 0.6.2, pyroute2 library dynamically imports the needed
modules when loaded. A static analysis will fail when checking the
import references.

Change-Id: I5aaf9494a2d5c2533199e6b92d4df8fe785f83a3
Closes-Bug: #1930750

neutron/agent/l2/extensions/fdb_population.py

@@ -20,7 +20,8 @@ from neutron_lib import constants
 from neutron_lib.utils import helpers
 from oslo_config import cfg
 from oslo_log import log as logging
-from pyroute2.netlink import exceptions as netlink_exceptions
+from pyroute2.netlink import exceptions \
+    as netlink_exceptions  # pylint: disable=no-name-in-module
 
 from neutron.agent.linux import bridge_lib
 from neutron.conf.agent import l2_ext_fdb_population

neutron/agent/l3/dvr_local_router.py

@@ -19,7 +19,8 @@ import netaddr
 from neutron_lib import constants as lib_constants
 from oslo_log import log as logging
 from oslo_utils import excutils
-from pyroute2.netlink import exceptions as pyroute2_exc
+from pyroute2.netlink import exceptions \
+    as pyroute2_exc  # pylint: disable=no-name-in-module
 
 from neutron.agent.l3 import dvr_fip_ns
 from neutron.agent.l3 import dvr_router_base

neutron/agent/l3/router_info.py

@@ -21,7 +21,8 @@ from neutron_lib.exceptions import l3 as l3_exc
 from neutron_lib.utils import helpers
 from oslo_log import log as logging
 from oslo_utils import netutils
-from pyroute2.netlink import exceptions as pyroute2_exc
+from pyroute2.netlink import exceptions \
+    as pyroute2_exc  # pylint: disable=no-name-in-module
 
 from neutron._i18n import _
 from neutron.agent.l3 import namespaces

neutron/agent/linux/bridge_lib.py

@@ -20,7 +20,8 @@ import collections
 import functools
 import os
 
-from pyroute2.netlink import exceptions as netlink_exceptions
+from pyroute2.netlink import exceptions \
+    as netlink_exceptions  # pylint: disable=no-name-in-module
 
 from neutron.agent.linux import ip_lib
 from neutron.privileged.agent.linux import ip_lib as priv_ip_lib

neutron/agent/linux/interface.py

@@ -21,7 +21,8 @@ from neutron_lib import constants
 from neutron_lib import exceptions
 from oslo_log import log as logging
 from oslo_utils import excutils
-from pyroute2.netlink import exceptions as pyroute2_exc
+from pyroute2.netlink import exceptions \
+    as pyroute2_exc  # pylint: disable=no-name-in-module
 
 from neutron.agent.common import ovs_lib
 from neutron.agent.linux import ip_lib

neutron/agent/linux/ip_lib.py

@@ -25,11 +25,13 @@ from neutron_lib import exceptions
 from oslo_config import cfg
 from oslo_log import log as logging
 from oslo_utils import netutils
-from pyroute2.netlink import exceptions as netlink_exceptions
-from pyroute2.netlink import rtnl
-from pyroute2.netlink.rtnl import ifaddrmsg
-from pyroute2.netlink.rtnl import ifinfmsg
-from pyroute2 import netns
+from pyroute2.netlink import exceptions \
+    as netlink_exceptions  # pylint: disable=no-name-in-module
+from pyroute2.netlink import rtnl  # pylint: disable=no-name-in-module
+from pyroute2.netlink.rtnl import \
+    ifaddrmsg  # pylint: disable=no-name-in-module
+from pyroute2.netlink.rtnl import ifinfmsg  # pylint: disable=no-name-in-module
+from pyroute2 import netns  # pylint: disable=no-name-in-module
 
 from neutron._i18n import _
 from neutron.agent.common import utils

neutron/agent/linux/tc_lib.py

@@ -21,9 +21,11 @@ from neutron_lib import exceptions
 from neutron_lib.exceptions import qos as qos_exc
 from neutron_lib.services.qos import constants as qos_consts
 from oslo_log import log as logging
-from pyroute2.iproute import linux as iproute_linux
-from pyroute2.netlink import rtnl
-from pyroute2.netlink.rtnl.tcmsg import common as rtnl_common
+from pyroute2.iproute import linux \
+    as iproute_linux  # pylint: disable=no-name-in-module
+from pyroute2.netlink import rtnl  # pylint: disable=no-name-in-module
+from pyroute2.netlink.rtnl.tcmsg import common \
+    as rtnl_common  # pylint: disable=no-name-in-module
 
 from neutron._i18n import _
 from neutron.agent.linux import ip_lib

neutron/privileged/agent/linux/ip_lib.py

@@ -17,13 +17,13 @@ import socket
 from neutron_lib import constants
 from oslo_log import log as logging
 import pyroute2
-from pyroute2 import netlink
-from pyroute2.netlink import exceptions as netlink_exceptions
-from pyroute2.netlink import rtnl
-from pyroute2.netlink.rtnl import ifinfmsg
-from pyroute2.netlink.rtnl import ndmsg
-from pyroute2 import NetlinkError
-from pyroute2 import netns
+from pyroute2 import netlink  # pylint: disable=no-name-in-module
+from pyroute2.netlink import exceptions \
+    as netlink_exceptions  # pylint: disable=no-name-in-module
+from pyroute2.netlink import rtnl  # pylint: disable=no-name-in-module
+from pyroute2.netlink.rtnl import ifinfmsg  # pylint: disable=no-name-in-module
+from pyroute2.netlink.rtnl import ndmsg  # pylint: disable=no-name-in-module
+from pyroute2 import netns  # pylint: disable=no-name-in-module
 
 from neutron._i18n import _
 from neutron import privileged
@@ -210,7 +210,7 @@ def _run_iproute_link(command, device, namespace=None, **kwargs):
         with get_iproute(namespace) as ip:
             idx = get_link_id(device, namespace)
             return ip.link(command, index=idx, **kwargs)
-    except NetlinkError as e:
+    except netlink.NetlinkError as e:
         _translate_ip_device_exception(e, device, namespace)
         raise
     except OSError as e:
@@ -224,7 +224,7 @@ def _run_iproute_neigh(command, device, namespace, **kwargs):
         with get_iproute(namespace) as ip:
             idx = get_link_id(device, namespace)
             return ip.neigh(command, ifindex=idx, **kwargs)
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         _translate_ip_device_exception(e, device, namespace)
         raise
     except OSError as e:
@@ -238,7 +238,7 @@ def _run_iproute_addr(command, device, namespace, **kwargs):
         with get_iproute(namespace) as ip:
             idx = get_link_id(device, namespace)
             return ip.addr(command, index=idx, **kwargs)
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         _translate_ip_device_exception(e, device, namespace)
         raise
     except OSError as e:
@@ -265,7 +265,7 @@ def add_ip_address(ip_version, ip, prefixlen, device, namespace, scope,
                           family=family,
                           broadcast=broadcast,
                           scope=get_scope_name(scope))
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         if e.code == errno.EEXIST:
             raise IpAddressAlreadyExists(ip=ip, device=device)
         raise
@@ -281,7 +281,7 @@ def delete_ip_address(ip_version, ip, prefixlen, device, namespace):
                           address=ip,
                           mask=prefixlen,
                           family=family)
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         # when trying to delete a non-existent IP address, pyroute2 raises
         # NetlinkError with code EADDRNOTAVAIL (99, 'Cannot assign requested
         # address')
@@ -314,7 +314,7 @@ def create_interface(ifname, namespace, kind, **kwargs):
                 link_key = "vxlan_link" if kind == "vxlan" else "link"
                 kwargs[link_key] = get_link_id(physical_interface, namespace)
             return ip.link("add", ifname=ifname, kind=kind, **kwargs)
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         if e.code == errno.EEXIST:
             raise InterfaceAlreadyExists(device=ifname)
         raise
@@ -452,7 +452,7 @@ def delete_neigh_entry(ip_version, ip_address, mac_address, device, namespace,
                            lladdr=mac_address,
                            family=family,
                            **kwargs)
-    except NetlinkError as e:
+    except netlink_exceptions.NetlinkError as e:
         # trying to delete a non-existent entry shouldn't raise an error
         if e.code == errno.ENOENT:
             return

neutron/privileged/agent/linux/tc_lib.py

@@ -17,7 +17,8 @@ import socket
 
 from neutron_lib import constants as n_constants
 import pyroute2
-from pyroute2 import protocols as pyroute2_protocols
+from pyroute2 import protocols \
+    as pyroute2_protocols  # pylint: disable=no-name-in-module
 
 from neutron._i18n import _
 from neutron import privileged