components/openstack/neutron/files/agent/solaris/interface.py
author Girish Moodalbail <Girish.Moodalbail@oracle.COM>
Fri, 12 Sep 2014 16:45:03 -0700
changeset 2083 87196737f09f
parent 1944 56ac2df1785b
child 3524 ad6a9e0880b9
child 3619 639868f63ef4
permissions -rw-r--r--
19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c 19582425 Policy Based Routing (PBR) for Neutron L3 agent
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
1760
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     1
# Copyright (c) 2013, 2014, Oracle and/or its affiliates. All rights reserved.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     2
#
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     3
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     4
#    not use this file except in compliance with the License. You may obtain
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     5
#    a copy of the License at
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     6
#
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     7
#         http://www.apache.org/licenses/LICENSE-2.0
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     8
#
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
     9
#    Unless required by applicable law or agreed to in writing, software
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    10
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    11
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    12
#    License for the specific language governing permissions and limitations
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    13
#    under the License.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    14
#
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    15
# @author: Girish Moodalbail, Oracle, Inc.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    16
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    17
from oslo.config import cfg
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    18
1944
56ac2df1785b PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents: 1760
diff changeset
    19
from neutron.agent.linux import utils
56ac2df1785b PSARC/2014/207 OpenStack Glance Update to Havana
Drew Fisher <drew.fisher@oracle.com>
parents: 1760
diff changeset
    20
from neutron.agent.solaris import net_lib
1760
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    21
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    22
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    23
OPTS = [
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    24
    cfg.StrOpt('evs_controller', default='ssh://[email protected]',
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    25
               help=_("An URI that specifies an EVS controller"))
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    26
]
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    27
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    28
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    29
class SolarisVNICDriver(object):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    30
    """Driver used to manage Solaris EVS VNICs.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    31
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    32
    This class provides methods to create/delete an EVS VNIC and
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    33
    plumb/unplumb ab IP interface and addresses on the EVS VNIC.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    34
    """
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    35
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    36
    # TODO(gmoodalb): dnsmasq uses old style `ifreq', so 16 is the maximum
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    37
    # length including the NUL character. If we change it to use new style
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    38
    # `lifreq', then we will be able to extend the length to 32 characters.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    39
    VNIC_NAME_MAXLEN = 15
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    40
    VNIC_NAME_PREFIX = 'evs'
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    41
    VNIC_NAME_SUFFIX = '_0'
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    42
    VNIC_NAME_LEN_WO_SUFFIX = VNIC_NAME_MAXLEN - \
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    43
        len(VNIC_NAME_SUFFIX)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    44
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    45
    def __init__(self, conf):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    46
        self.conf = conf
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    47
        # Since there is no connect_uri() yet, we need to do this ourselves
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    48
        # parse ssh://[email protected]
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    49
        suh = self.conf.evs_controller.split('://')
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    50
        if len(suh) != 2 or suh[0] != 'ssh' or not suh[1].strip():
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    51
            raise SystemExit(_("Specified evs_controller is invalid"))
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    52
        uh = suh[1].split('@')
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    53
        if len(uh) != 2 or not uh[0].strip() or not uh[1].strip():
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    54
            raise SystemExit(_("'user' and 'hostname' need to be specified "
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    55
                               "for evs_controller"))
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    56
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    57
        # set the controller property for this host
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    58
        cmd = ['/usr/sbin/evsadm', 'show-prop', '-co', 'value', '-p',
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    59
               'controller']
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    60
        stdout = utils.execute(cmd)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    61
        if conf.evs_controller != stdout.strip():
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    62
            cmd = ['/usr/sbin/evsadm', 'set-prop', '-p',
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    63
                   'controller=%s' % (conf.evs_controller)]
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    64
            utils.execute(cmd)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    65
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    66
    def fini_l3(self, device_name):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    67
        ipif = net_lib.IPInterface(device_name)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    68
        ipif.delete_ip()
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    69
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    70
    def init_l3(self, device_name, ip_cidrs):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    71
        """Set the L3 settings for the interface using data from the port.
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    72
           ip_cidrs: list of 'X.X.X.X/YY' strings
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    73
        """
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    74
        ipif = net_lib.IPInterface(device_name)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    75
        for ip_cidr in ip_cidrs:
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    76
            ipif.create_address(ip_cidr)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    77
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    78
    # TODO(gmoodalb): - probably take PREFIX?? for L3
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    79
    def get_device_name(self, port):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    80
        vnicname = (self.VNIC_NAME_PREFIX +
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    81
                    port.id)[:self.VNIC_NAME_LEN_WO_SUFFIX]
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    82
        vnicname += self.VNIC_NAME_SUFFIX
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    83
        return vnicname.replace('-', '_')
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    84
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    85
    def plug(self, tenant_id, network_id, port_id, datalink_name,
2083
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    86
             namespace=None, prefix=None, protection=False):
1760
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    87
        """Plug in the interface."""
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    88
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    89
        evs_vport = ('%s/%s') % (network_id, port_id)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    90
        dl = net_lib.Datalink(datalink_name)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    91
        dl.connect_vnic(evs_vport, tenant_id)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    92
2083
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    93
        if not protection:
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    94
            cmd = ['/usr/sbin/evsadm', 'set-vportprop', '-T', tenant_id,
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    95
                   '-p', 'protection=none', evs_vport]
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    96
            utils.execute(cmd)
87196737f09f 19571319 datalink protection kicks in if L3 agent and DHCP agent are on the same m/c
Girish Moodalbail <Girish.Moodalbail@oracle.COM>
parents: 1944
diff changeset
    97
1760
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    98
    def unplug(self, device_name, namespace=None, prefix=None):
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
    99
        """Unplug the interface."""
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
   100
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
   101
        dl = net_lib.Datalink(device_name)
353323c7bdc1 PSARC/2013/350 OpenStack for Solaris (Umbrella)
Drew Fisher <drew.fisher@oracle.com>
parents:
diff changeset
   102
        dl.delete_vnic()