Python IPRoute.link_remove方法代码示例

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
 def connect_to_br(self):
     index = 0
     with docker_netns(self.name) as pid:
         for quagga_config in self.quagga_config:
             ip = IPRoute()
             br = ip.link_lookup(ifname=quagga_config['bridge'])
             if len(br) == 0:
                 ip.link_create(ifname=quagga_config['bridge'], kind='bridge')
                 br = ip.link_lookup(ifname=quagga_config['bridge'])
             br = br[0]
             ip.link('set', index=br, state='up')
             ifname = '{0}-{1}'.format(self.name, index)
             ifs = ip.link_lookup(ifname=ifname)
             if len(ifs) > 0:
                ip.link_remove(ifs[0])
             peer_ifname = '{0}-{1}'.format(pid, index)
             ip.link_create(ifname=ifname, kind='veth', peer=peer_ifname)
             host = ip.link_lookup(ifname=ifname)[0]
             ip.link('set', index=host, master=br)
             ip.link('set', index=host, state='up')
             guest = ip.link_lookup(ifname=peer_ifname)[0]
             ip.link('set', index=guest, net_ns_fd=pid)
             with Namespace(pid, 'net'):
                 ip = IPRoute()
                 ip.link('set', index=guest, ifname='eth{}'.format(index+1))
                 ip.addr('add', index=guest, address=quagga_config['ip'], mask=quagga_config['mask'])
                 ip.link('set', index=guest, state='up')
             index += 1

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
def connect_ctn_to_br(ctn, brname):
    with docker_netns(ctn) as pid:
        ip = IPRoute()
        br = ip.link_lookup(ifname=brname)
        if len(br) == 0:
            ip.link_create(ifname=brname, kind='bridge')
            br = ip.link_lookup(ifname=brname)
        br = br[0]
        ip.link('set', index=br, state='up')

        ifs = ip.link_lookup(ifname=ctn)
        if len(ifs) > 0:
           ip.link_remove(ifs[0])

        ip.link_create(ifname=ctn, kind='veth', peer=pid)
        host = ip.link_lookup(ifname=ctn)[0]
        ip.link('set', index=host, master=br)
        ip.link('set', index=host, state='up')
        guest = ip.link_lookup(ifname=pid)[0]
        ip.link('set', index=guest, net_ns_fd=pid)
        with Namespace(pid, 'net'):
            ip = IPRoute()
            ip.link('set', index=guest, ifname='eth1')
            ip.link('set', index=guest, state='up')

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]

#.........这里部分代码省略.........
        #
        # it also verifies all the addresses are in place
        for idx in reversed(range(limit)):
            self.ip.addr('delete', self.ifaces[0],
                         base.format(hex(idx)[2:]), 48)

    def test_fail_not_permitted(self):
        try:
            self.ip.addr('add', 1, address='172.16.0.1', mask=24)
        except NetlinkError as e:
            if e.code != 1:  # Operation not permitted
                raise
        finally:
            try:
                self.ip.addr('delete', 1, address='172.16.0.1', mask=24)
            except:
                pass

    def test_fail_no_such_device(self):
        require_user('root')
        dev = sorted([i['index'] for i in self.ip.get_links()])[-1] + 10
        try:
            self.ip.addr('add',
                         dev,
                         address='172.16.0.1',
                         mask=24)
        except NetlinkError as e:
            if e.code != 19:  # No such device
                raise

    def test_remove_link(self):
        require_user('root')
        try:
            self.ip.link_remove(self.ifaces[0])
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname=self.dev)) == 0

    def test_get_route(self):
        if not self.ip.get_default_routes(table=254):
            return
        rts = self.ip.get_routes(family=socket.AF_INET,
                                 dst='8.8.8.8',
                                 table=254)
        assert len(rts) > 0

    def test_flush_routes(self):
        require_user('root')
        self.ip.link('set', index=self.ifaces[0], state='up')
        self.ip.addr('add', self.ifaces[0], address='172.16.0.2', mask=24)
        self.ip.route('add',
                      prefix='172.16.1.0',
                      mask=24,
                      gateway='172.16.0.1',
                      table=100)
        self.ip.route('add',
                      prefix='172.16.2.0',
                      mask=24,
                      gateway='172.16.0.1',
                      table=100)

        assert grep('ip route show table 100',
                    pattern='172.16.1.0/24.*172.16.0.1')
        assert grep('ip route show table 100',
                    pattern='172.16.2.0/24.*172.16.0.1')

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
#!/usr/bin/env python
# Copyright (c) PLUMgrid, Inc.
# Licensed under the Apache License, Version 2.0 (the "License")

from bpf import BPF
from pyroute2 import IPRoute

ipr = IPRoute()

text = """
int hello(struct __sk_buff *skb) {
  return 1;
}
"""

try:
    b = BPF(text=text, debug=0)
    fn = b.load_func("hello", BPF.SCHED_CLS)
    ipr.link_create(ifname="t1a", kind="veth", peer="t1b")
    idx = ipr.link_lookup(ifname="t1a")[0]

    ipr.tc("add", "ingress", idx, "ffff:")
    ipr.tc("add-filter", "bpf", idx, ":1", fd=fn.fd,
           name=fn.name, parent="ffff:", action="ok", classid=1)
    ipr.tc("add", "sfq", idx, "1:")
    ipr.tc("add-filter", "bpf", idx, ":1", fd=fn.fd,
           name=fn.name, parent="1:", action="ok", classid=1)
finally:
    if "idx" in locals(): ipr.link_remove(idx)

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]

#.........这里部分代码省略.........
        #
        # it also verifies all the addresses are in place
        for idx in reversed(range(limit)):
            self.ip.addr('delete', self.ifaces[0],
                         base.format(hex(idx)[2:]), 48)

    def test_fail_not_permitted(self):
        try:
            self.ip.addr('add', 1, address='172.16.0.1', mask=24)
        except NetlinkError as e:
            if e.code != errno.EPERM:  # Operation not permitted
                raise
        finally:
            try:
                self.ip.addr('delete', 1, address='172.16.0.1', mask=24)
            except:
                pass

    def test_fail_no_such_device(self):
        require_user('root')
        dev = sorted([i['index'] for i in self.ip.get_links()])[-1] + 10
        try:
            self.ip.addr('add',
                         dev,
                         address='172.16.0.1',
                         mask=24)
        except NetlinkError as e:
            if e.code != errno.ENODEV:  # No such device
                raise

    def test_remove_link(self):
        require_user('root')
        try:
            self.ip.link_remove(self.ifaces[0])
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname=self.dev)) == 0

    def test_route_get_target(self):
        if not self.ip.get_default_routes(table=254):
            return
        rts = self.ip.get_routes(family=socket.AF_INET,
                                 dst='8.8.8.8',
                                 table=254)
        assert len(rts) > 0

    def test_route_get_by_spec(self):
        self.ip.link('set', index=self.ifaces[0], state='up')
        self.ip.addr('add', index=self.ifaces[0],
                     address='172.16.60.1', mask=24)
        self.ip.addr('add', index=self.ifaces[0],
                     address='172.16.61.1', mask=24)
        rts = self.ip.get_routes(family=socket.AF_INET,
                                 dst=lambda x: x in ('172.16.60.0',
                                                     '172.16.61.0'))
        assert len(rts) == 4

    def test_route_multipath(self):
        require_user('root')
        self.ip.route('add',
                      dst='172.16.241.0',
                      mask=24,
                      multipath=[{'hops': 20,
                                  'ifindex': 1,
                                  'attrs': [['RTA_GATEWAY', '127.0.0.2']]},
                                 {'hops': 30,

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
    def _ns_add_ifc(self, name, ns_ifc, ifc_base_name=None, in_ifc=None,
                    out_ifc=None, ipaddr=None, macaddr=None, fn=None, cmd=None,
                    action="ok", disable_ipv6=False):
        if name in self.ipdbs:
            ns_ipdb = self.ipdbs[name]
        else:
            try:
                nl=NetNS(name)
                self.namespaces.append(nl)
            except KeyboardInterrupt:
                # remove the namespace if it has been created
                pyroute2.netns.remove(name)
                raise
            ns_ipdb = IPDB(nl)
            self.ipdbs[nl.netns] = ns_ipdb
            if disable_ipv6:
                cmd1 = ["sysctl", "-q", "-w",
                       "net.ipv6.conf.default.disable_ipv6=1"]
                nsp = NSPopen(ns_ipdb.nl.netns, cmd1)
                nsp.wait(); nsp.release()
            ns_ipdb.interfaces.lo.up().commit()
        if in_ifc:
            in_ifname = in_ifc.ifname
            with in_ifc as v:
                # move half of veth into namespace
                v.net_ns_fd = ns_ipdb.nl.netns
        else:
            # delete the potentially leaf-over veth interfaces
            ipr = IPRoute()
            for i in ipr.link_lookup(ifname='%sa' % ifc_base_name): ipr.link_remove(i)
            ipr.close()
            try:
                out_ifc = self.ipdb.create(ifname="%sa" % ifc_base_name, kind="veth",
                                           peer="%sb" % ifc_base_name).commit()
                in_ifc = self.ipdb.interfaces[out_ifc.peer]
                in_ifname = in_ifc.ifname
                with in_ifc as v:
                    v.net_ns_fd = ns_ipdb.nl.netns
            except KeyboardInterrupt:
                # explicitly remove the interface
                out_ifname = "%sa" % ifc_base_name
                if out_ifname in self.ipdb.interfaces: self.ipdb.interfaces[out_ifname].remove().commit()
                raise

        if out_ifc: out_ifc.up().commit()
        ns_ipdb.interfaces.lo.up().commit()
        ns_ipdb.initdb()
        in_ifc = ns_ipdb.interfaces[in_ifname]
        with in_ifc as v:
            v.ifname = ns_ifc
            if ipaddr: v.add_ip("%s" % ipaddr)
            if macaddr: v.address = macaddr
            v.up()
        if disable_ipv6:
            cmd1 = ["sysctl", "-q", "-w",
                   "net.ipv6.conf.%s.disable_ipv6=1" % out_ifc.ifname]
            subprocess.call(cmd1)
        if fn and out_ifc:
            self.ipdb.nl.tc("add", "ingress", out_ifc["index"], "ffff:")
            self.ipdb.nl.tc("add-filter", "bpf", out_ifc["index"], ":1",
                            fd=fn.fd, name=fn.name, parent="ffff:",
                            action=action, classid=1)
        if cmd:
            self.processes.append(NSPopen(ns_ipdb.nl.netns, cmd))
        return (ns_ipdb, out_ifc, in_ifc)

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
class TestData(object):

    def setup(self):
        create_link('dummyX', 'dummy')
        self.release = Event()
        self.ip = IPRoute()
        self.dev = self.ip.link_lookup(ifname='dummyX')

    def teardown(self):
        self.ip.release()
        self.release.set()
        remove_link('dummyX')
        remove_link('bala')

    def test_add_addr(self):
        require_user('root')
        dev = self.dev[0]
        self.ip.addr('add', dev, address='172.16.0.1', mask=24)
        assert '172.16.0.1/24' in get_ip_addr()

    def test_remove_link(self):
        require_user('root')
        create_link('bala', 'dummy')
        dev = self.ip.link_lookup(ifname='bala')[0]
        try:
            self.ip.link_remove(dev)
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname='bala')) == 0

    def test_route(self):
        require_user('root')
        create_link('bala', 'dummy')
        dev = self.ip.link_lookup(ifname='bala')[0]
        self.ip.link('set', index=dev, state='up')
        self.ip.addr('add', dev, address='172.16.0.2', mask=24)
        self.ip.route('add',
                      prefix='172.16.1.0',
                      mask=24,
                      gateway='172.16.0.1')
        assert grep('ip route show', pattern='172.16.1.0/24.*172.16.0.1')
        remove_link('bala')

    def test_updown_link(self):
        require_user('root')
        dev = self.dev[0]
        assert not (self.ip.get_links(dev)[0]['flags'] & 1)
        try:
            self.ip.link_up(dev)
        except NetlinkError:
            pass
        assert self.ip.get_links(dev)[0]['flags'] & 1
        try:
            self.ip.link_down(dev)
        except NetlinkError:
            pass
        assert not (self.ip.get_links(dev)[0]['flags'] & 1)

    def test_callbacks_positive(self):
        require_user('root')
        dev = self.dev[0]

        self.cb_counter = 0
        self.ip.register_callback(_callback,
                                  lambda e, x: x.get('index', None) == dev,
                                  (self, ))
        self.test_updown_link()
        assert self.cb_counter > 0
        self.ip.unregister_callback(_callback)

    def test_callbacks_negative(self):
        require_user('root')

        self.cb_counter = 0
        self.ip.register_callback(_callback,
                                  lambda e, x: x.get('index', None) == 'bala',
                                  (self, ))
        self.test_updown_link()
        assert self.cb_counter == 0
        self.ip.unregister_callback(_callback)

    def test_rename_link(self):
        require_user('root')
        dev = self.dev[0]
        try:
            self.ip.link_rename(dev, 'bala')
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname='bala')) == 1
        try:
            self.ip.link_rename(dev, 'dummyX')
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname='dummyX')) == 1

    def test_rules(self):
        assert len(get_ip_rules('-4')) == \
            len(self.ip.get_rules(socket.AF_INET))
        assert len(get_ip_rules('-6')) == \
            len(self.ip.get_rules(socket.AF_INET6))
#.........这里部分代码省略.........

# 需要导入模块: from pyroute2 import IPRoute [as 别名]
# 或者: from pyroute2.IPRoute import link_remove [as 别名]
class TestData(object):

    def setup(self):
        create_link('dummyX', 'dummy')
        self.ip = IPRoute()
        self.dev = self.ip.link_lookup(ifname='dummyX')

    def teardown(self):
        self.ip.release()
        remove_link('dummyX')
        remove_link('bala')

    def test_nla_operators(self):
        require_user('root')
        dev = self.dev[0]
        self.ip.addr('add', dev, address='172.16.0.1', mask=24)
        self.ip.addr('add', dev, address='172.16.0.2', mask=24)
        r = [x for x in self.ip.get_addr() if x['index'] == dev]
        complement = r[0] - r[1]
        intersection = r[0] & r[1]

        assert complement.get_attr('IFA_ADDRESS') == '172.16.0.1'
        assert complement.get_attr('IFA_LABEL') is None
        assert complement['prefixlen'] == 0
        assert complement['index'] == 0

        assert intersection.get_attr('IFA_ADDRESS') is None
        assert intersection.get_attr('IFA_LABEL') == 'dummyX'
        assert intersection['prefixlen'] == 24
        assert intersection['index'] == dev

    def test_add_addr(self):
        require_user('root')
        dev = self.dev[0]
        self.ip.addr('add', dev, address='172.16.0.1', mask=24)
        assert '172.16.0.1/24' in get_ip_addr()

    def test_remove_link(self):
        require_user('root')
        create_link('bala', 'dummy')
        dev = self.ip.link_lookup(ifname='bala')[0]
        try:
            self.ip.link_remove(dev)
        except NetlinkError:
            pass
        assert len(self.ip.link_lookup(ifname='bala')) == 0

    def test_get_route(self):
        if not self.ip.get_default_routes(table=254):
            return
        rts = self.ip.get_routes(family=socket.AF_INET,
                                 dst='8.8.8.8',
                                 table=254)
        assert len(rts) > 0

    def test_route_table_2048(self):
        require_user('root')
        create_link('bala', 'dummy')
        dev = self.ip.link_lookup(ifname='bala')[0]
        self.ip.link('set', index=dev, state='up')
        self.ip.addr('add', dev, address='172.16.0.2', mask=24)
        self.ip.route('add',
                      prefix='172.16.1.0',
                      mask=24,
                      gateway='172.16.0.1',
                      table=2048)
        assert grep('ip route show table 2048',
                    pattern='172.16.1.0/24.*172.16.0.1')
        remove_link('bala')

    def test_updown_link(self):
        require_user('root')
        dev = self.dev[0]
        assert not (self.ip.get_links(dev)[0]['flags'] & 1)
        try:
            self.ip.link_up(dev)
        except NetlinkError:
            pass
        assert self.ip.get_links(dev)[0]['flags'] & 1
        try:
            self.ip.link_down(dev)
        except NetlinkError:
            pass
        assert not (self.ip.get_links(dev)[0]['flags'] & 1)

    def test_callbacks_positive(self):
        require_user('root')
        dev = self.dev[0]

        self.cb_counter = 0
        self.ip.register_callback(_callback,
                                  lambda e, x: x.get('index', None) == dev,
                                  (self, ))
        self.test_updown_link()
        assert self.cb_counter > 0
        self.ip.unregister_callback(_callback)

    def test_callbacks_negative(self):
        require_user('root')

#.........这里部分代码省略.........