NSX|V add vm to exclude list when the port has no port security
When a compute port with a device-id has no port security, we should add the device to the nsx exclude list, so the spoof guard will not block it When the first port with no security is attached to a device, it will be added to the exclude list. When the last port is detached from the device (or deleted), the device will be removed from the exclude list Managing the exclude list is done by retrieving the vm moref from the DVS, and adding this moref to the exclude list api. In addition we now allow creating a port without port security, even if the on the network port security is enabled. This feature depends on 3 NSXV configuration flags: spoofguard_enabled=True use_dvs_features=True use_exclude_list=True (new flag, True by default) DocImpact:New configuration flag for this feature use_exclude_list (True by default) Change-Id: I3c93c78f8ceca131ee319237d99a90282ab65a3a
This commit is contained in:
Adit Sarfaty
garyk
parent
9902635dc0
commit
14dadb6e3b
@ -482,6 +482,11 @@ nsxv_opts = [
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default=True,
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help=_("(Optional) If True then plugin will use NSXV "
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"spoofguard component for port-security feature.")),
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cfg.BoolOpt('use_exclude_list',
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default=True,
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help=_("(Optional) If True then plugin will use NSXV exclude "
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"list component when port security is disabled and "
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"spoofguard is enabled.")),
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cfg.ListOpt('tenant_router_types',
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default=['shared', 'distributed', 'exclusive'],
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help=_("Ordered list of router_types to allocate as tenant "
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@ -25,6 +25,7 @@ LOG = logging.getLogger(__name__)
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PORTGROUP_PREFIX = 'dvportgroup'
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QOS_OUT_DIRECTION = 'outgoingPackets'
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QOS_AGENT_NAME = 'dvfilter-generic-vmware'
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API_FIND_ALL_BY_UUID = 'FindAllByUuid'
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class DvsManager(object):
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@ -301,3 +302,20 @@ class DvsManager(object):
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LOG.info(_LI("%(net_id)s delete from %(dvs)s."),
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{'net_id': net_id,
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'dvs': dvs_utils.dvs_name_get()})
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def get_vm_moref(self, instance_uuid):
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"""Get reference to the VM.
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The method will make use of FindAllByUuid to get the VM reference.
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This method finds all VM's on the backend that match the
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instance_uuid, more specifically all VM's on the backend that have
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'config_spec.instanceUuid' set to 'instance_uuid'.
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"""
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vm_refs = self._session.invoke_api(
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self._session.vim,
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API_FIND_ALL_BY_UUID,
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self._session.vim.service_content.searchIndex,
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uuid=instance_uuid,
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vmSearch=True,
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instanceUuid=True)
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if vm_refs:
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return vm_refs[0].value
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@ -1156,10 +1156,14 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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# First we allocate port in neutron database
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neutron_db = super(NsxVPluginV2, self).create_port(context, port)
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# Port port-security is decided by the port-security state on the
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# network it belongs to
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port_security = self._get_network_security_binding(
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context, neutron_db['network_id'])
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port_data[psec.PORTSECURITY] = port_security
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# network it belongs to, unless specifically specified here
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if validators.is_attr_set(port_data.get(psec.PORTSECURITY)):
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port_security = port_data[psec.PORTSECURITY]
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else:
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port_security = self._get_network_security_binding(
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context, neutron_db['network_id'])
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port_data[psec.PORTSECURITY] = port_security
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self._process_port_port_security_create(
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context, port_data, neutron_db)
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# Update fields obtained from neutron db (eg: MAC address)
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@ -1220,18 +1224,91 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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'ip_address' in port['fixed_ips'][0]):
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return port['fixed_ips'][0]['ip_address']
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def _count_no_sec_ports_for_device_id(self, context, device_id):
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"""Find how many compute ports with this device ID and no security
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there are, so we can decide on adding / removing the device from
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the exclusion list
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"""
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filters = {'device_id': [device_id],
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'device_owner': ['compute:None']}
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ports = self.get_ports(context.elevated(), filters=filters)
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return len([p for p in ports
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if validators.is_attr_set(p.get(ext_vnic_idx.VNIC_INDEX))
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and not p[psec.PORTSECURITY]])
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def _add_vm_to_exclude_list(self, context, device_id, port_id):
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if (self._dvs and
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cfg.CONF.nsxv.use_exclude_list):
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# first time for this vm (we expect the count to be 1 already
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# because the DB was already updated)
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if (self._count_no_sec_ports_for_device_id(
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context, device_id) <= 1):
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vm_moref = self._dvs.get_vm_moref(device_id)
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if vm_moref is not None:
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try:
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self.nsx_v.vcns.add_vm_to_exclude_list(vm_moref)
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LOG.info(_LI("Add VM %(dev)s to exclude list on "
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"behalf of port %(port)s: added to "
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"list"),
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{"dev": device_id, "port": port_id})
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except n_exc.BadRequest:
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LOG.error(_LE("Failed to add vm %(device)s "
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"moref %(moref)s to exclusion list"),
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{'device': device_id, 'moref': vm_moref})
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else:
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LOG.info(_LI("Add VM %(dev)s to exclude list on behalf of "
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"port %(port)s: already in list"),
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{"dev": device_id, "port": port_id})
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def _remove_vm_from_exclude_list(self, context, device_id, port_id,
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expected_count=0):
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if (self._dvs and
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cfg.CONF.nsxv.use_exclude_list):
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# No ports left in DB (expected count is 0 or 1 depending
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# on whether the DB was already updated),
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# So we can remove it from the backend exclude list
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if (self._count_no_sec_ports_for_device_id(
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context, device_id) <= expected_count):
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vm_moref = self._dvs.get_vm_moref(device_id)
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if vm_moref is not None:
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try:
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self.nsx_v.vcns.delete_vm_from_exclude_list(vm_moref)
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LOG.info(_LI("Remove VM %(dev)s from exclude list on "
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"behalf of port %(port)s: removed from "
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"list"),
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{"dev": device_id, "port": port_id})
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except n_exc.BadRequest:
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LOG.error(_LE("Failed to delete vm %(device)s "
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"moref %(moref)s from exclusion list"),
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{'device': device_id, 'moref': vm_moref})
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else:
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LOG.info(_LI("Remove VM %(dev)s from exclude list on behalf "
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"of port %(port)s: other ports still in list"),
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{"dev": device_id, "port": port_id})
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def update_port(self, context, id, port):
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with locking.LockManager.get_lock('port-update-%s' % id):
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return self._update_port(context, id, port)
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def _update_port(self, context, id, port):
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original_port = super(NsxVPluginV2, self).get_port(context, id)
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is_compute_port = self._is_compute_port(original_port)
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device_id = original_port['device_id']
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if is_compute_port and device_id:
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# Lock on the device ID to make sure we do not change/delete
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# ports of the same device at the same time
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with locking.LockManager.get_lock(
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'port-device-%s' % device_id):
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return self._update_port(context, id, port, original_port,
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is_compute_port, device_id)
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else:
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return self._update_port(context, id, port, original_port,
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is_compute_port, device_id)
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def _update_port(self, context, id, port, original_port, is_compute_port,
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device_id):
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attrs = port[attr.PORT]
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port_data = port['port']
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original_port = super(NsxVPluginV2, self).get_port(context, id)
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if addr_pair.ADDRESS_PAIRS in attrs:
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self._validate_address_pairs(attrs, original_port)
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is_compute_port = self._is_compute_port(original_port)
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device_id = original_port['device_id']
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has_port_security = (cfg.CONF.nsxv.spoofguard_enabled and
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original_port[psec.PORTSECURITY])
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@ -1242,6 +1319,11 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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msg = (_('Cannot set fixed ips and device owner together for port '
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'%s') % original_port['id'])
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raise n_exc.BadRequest(resource='port', msg=msg)
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# We do not support updating the port-security field (yet)
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if psec.PORTSECURITY in port['port']:
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msg = (_('Cannot modify the port security of port %s after port '
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'creation') % original_port['id'])
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raise NotImplementedError(msg)
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# TODO(roeyc): create a method '_process_vnic_index_update' from the
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# following code block
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@ -1262,13 +1344,9 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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original_port['fixed_ips'])
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self._update_vnic_assigned_addresses(
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context.session, original_port, vnic_id)
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else:
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LOG.warning(_LW("port-security is disabled on port %(id)s, "
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"VM tools must be installed on instance "
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"%(device_id)s for security-groups to "
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"function properly."),
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{'id': id,
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'device_id': original_port['device_id']})
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elif cfg.CONF.nsxv.spoofguard_enabled:
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# Add vm to the exclusion list, since it has no port security
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self._add_vm_to_exclude_list(context, device_id, id)
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delete_security_groups = self._check_update_deletes_security_groups(
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port)
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@ -1279,8 +1357,6 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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with context.session.begin(subtransactions=True):
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ret_port = super(NsxVPluginV2, self).update_port(
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context, id, port)
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if psec.PORTSECURITY in port['port']:
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raise NotImplementedError()
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# copy values over - except fixed_ips as
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# they've already been processed
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updates_fixed_ips = port['port'].pop('fixed_ips', [])
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@ -1372,6 +1448,11 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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if cfg.CONF.nsxv.spoofguard_enabled:
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self._remove_vnic_from_spoofguard_policy(
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context.session, original_port['network_id'], vnic_id)
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# remove vm from the exclusion list when it is detached
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# from the device if it has no port security
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if not original_port[psec.PORTSECURITY]:
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self._remove_vm_from_exclude_list(
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context, device_id, id)
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self._delete_port_vnic_index_mapping(context, id)
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self._delete_dhcp_static_binding(context, original_port)
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else:
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@ -1402,6 +1483,22 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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def delete_port(self, context, id, l3_port_check=True,
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nw_gw_port_check=True):
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neutron_db_port = self.get_port(context, id)
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device_id = neutron_db_port['device_id']
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is_compute_port = self._is_compute_port(neutron_db_port)
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if is_compute_port and device_id:
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# Lock on the device ID to make sure we do not change/delete
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# ports of the same device at the same time
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with locking.LockManager.get_lock(
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'port-device-%s' % device_id):
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return self._delete_port(context, id, l3_port_check,
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nw_gw_port_check, neutron_db_port)
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else:
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return self._delete_port(context, id, l3_port_check,
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nw_gw_port_check, neutron_db_port)
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def _delete_port(self, context, id, l3_port_check,
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nw_gw_port_check, neutron_db_port):
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"""Deletes a port on a specified Virtual Network.
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If the port contains a remote interface attachment, the remote
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@ -1416,7 +1513,6 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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# a l3 router. If so, we should prevent deletion here
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if l3_port_check:
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self.prevent_l3_port_deletion(context, id)
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neutron_db_port = self.get_port(context, id)
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if neutron_db_port['device_owner'] in [constants.DEVICE_OWNER_DHCP]:
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msg = (_('Can not delete DHCP port %s') % neutron_db_port['id'])
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raise n_exc.BadRequest(resource='port', msg=msg)
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@ -1439,6 +1535,15 @@ class NsxVPluginV2(addr_pair_db.AllowedAddressPairsMixin,
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LOG.error(_LE('Could not delete the spoofguard policy. '
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'Exception %s'), e)
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if (cfg.CONF.nsxv.spoofguard_enabled and
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not neutron_db_port[psec.PORTSECURITY] and
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self._is_compute_port(neutron_db_port)):
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device_id = neutron_db_port['device_id']
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# Note that we expect to find 1 relevant port in the DB still
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# because this port was not yet deleted
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self._remove_vm_from_exclude_list(context, device_id, id,
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expected_count=1)
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self.disassociate_floatingips(context, id)
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with context.session.begin(subtransactions=True):
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super(NsxVPluginV2, self).delete_port(context, id)
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@ -47,6 +47,7 @@ VDN_PREFIX = '/api/2.0/vdn'
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SERVICES_PREFIX = '/api/2.0/services'
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SPOOFGUARD_PREFIX = '/api/4.0/services/spoofguard'
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TRUSTSTORE_PREFIX = '%s/%s' % (SERVICES_PREFIX, 'truststore')
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EXCLUDELIST_PREFIX = '/api/2.1/app/excludelist'
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#LbaaS Constants
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LOADBALANCER_SERVICE = "loadbalancer/config"
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@ -760,6 +761,14 @@ class Vcns(object):
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else:
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return uri_path
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def add_vm_to_exclude_list(self, vm_id):
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uri = '%s/%s' % (EXCLUDELIST_PREFIX, vm_id)
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return self.do_request(HTTP_PUT, uri)
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def delete_vm_from_exclude_list(self, vm_id):
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uri = '%s/%s' % (EXCLUDELIST_PREFIX, vm_id)
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return self.do_request(HTTP_DELETE, uri)
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def get_scoping_objects(self):
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uri = '%s/usermgmt/scopingobjects' % SERVICES_PREFIX
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h, scoping_objects = self.do_request(HTTP_GET, uri, decode=False,
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@ -145,6 +145,15 @@ class NsxVPluginV2TestCase(test_plugin.NeutronDbPluginV2TestCase):
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plugin_instance._get_edge_id_by_rtr_id.return_value = False
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plugin_instance.edge_manager.is_dhcp_opt_enabled = True
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def _get_core_plugin_with_dvs(self):
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# enable dvs features to allow policy with QOS
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cfg.CONF.set_default('use_dvs_features', True, 'nsxv')
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plugin = manager.NeutronManager.get_plugin()
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with mock.patch.object(dvs_utils, 'dvs_create_session'):
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with mock.patch.object(dvs.DvsManager, '_get_dvs_moref'):
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plugin._dvs = dvs.DvsManager()
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return plugin
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def test_get_vlan_network_name(self):
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p = manager.NeutronManager.get_plugin()
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net_id = uuidutils.generate_uuid()
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@ -492,15 +501,6 @@ class TestNetworksV2(test_plugin.TestNetworksV2, NsxVPluginV2TestCase):
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context.get_admin_context(),
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net['network']['id'], data)
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def _get_core_plugin_with_dvs(self):
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# enable dvs features to allow policy with QOS
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cfg.CONF.set_default('use_dvs_features', True, 'nsxv')
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plugin = manager.NeutronManager.get_plugin()
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with mock.patch.object(dvs_utils, 'dvs_create_session'):
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with mock.patch.object(dvs.DvsManager, '_get_dvs_moref'):
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plugin._dvs = dvs.DvsManager()
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return plugin
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@mock.patch.object(dvs.DvsManager, 'update_port_groups_config')
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@mock.patch.object(qos_utils.NsxVQosRule, '_init_from_policy_id')
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def test_create_network_with_qos_policy(self,
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@ -3487,27 +3487,9 @@ class TestNSXPortSecurity(test_psec.TestPortSecurity,
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# Security Groups can be used even when port-security is disabled
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pass
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def test_create_port_security_overrides_network_value(self):
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pass
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def test_create_port_with_security_group_and_net_sec_false(self):
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pass
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def test_create_port_security_doese_not_overrides_network_value(self):
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"""NSXv plugin port port-security-enabled is decided by the networks
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port-security state
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"""
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res = self._create_network('json', 'net1', True,
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arg_list=('port_security_enabled',),
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port_security_enabled=False)
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net = self.deserialize('json', res)
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res = self._create_port('json', net['network']['id'],
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arg_list=('port_security_enabled',),
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port_security_enabled=True)
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port = self.deserialize('json', res)
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self.assertEqual(port['port'][psec.PORTSECURITY], False)
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self._delete('ports', port['port']['id'])
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def test_update_port_remove_port_security_security_group(self):
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pass
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@ -3525,6 +3507,157 @@ class TestNSXPortSecurity(test_psec.TestPortSecurity,
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context.get_admin_context(),
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port['port']['id'], update_port)
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def _create_compute_port(self, network_name, device_id, port_security):
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# create a network without port security
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res = self._create_network('json', network_name, True)
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net = self.deserialize('json', res)
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# create a compute port with this network and a device
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res = self._create_port('json', net['network']['id'],
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arg_list=('port_security_enabled',
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'device_id',
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'device_owner',),
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port_security_enabled=port_security,
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device_id=device_id,
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device_owner='compute:None')
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return self.deserialize('json', res)
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def _add_vnic_to_port(self, port_id, add_exclude, vnic_index):
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"""Add vnic to a port and check if the device was added to the
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exclude list
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"""
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plugin = self._get_core_plugin_with_dvs()
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vm_moref = 'dummy_moref'
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with mock.patch.object(plugin._dvs, 'get_vm_moref',
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return_value=vm_moref):
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with mock.patch.object(
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plugin.nsx_v.vcns,
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'add_vm_to_exclude_list') as exclude_list_add:
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data = {'port': {'vnic_index': vnic_index}}
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self.new_update_request(
|
||||
'ports', data, port_id).get_response(self.api)
|
||||
if add_exclude:
|
||||
# make sure the vm was added to the exclude list
|
||||
exclude_list_add.assert_called_once_with(vm_moref)
|
||||
else:
|
||||
self.assertFalse(exclude_list_add.called)
|
||||
|
||||
def _del_vnic_from_port(self, port_id, del_exclude):
|
||||
"""Delete the vnic & device id from the port and check if
|
||||
the device was removed from the exclude list
|
||||
"""
|
||||
plugin = self._get_core_plugin_with_dvs()
|
||||
vm_moref = 'dummy_moref'
|
||||
with mock.patch.object(plugin._dvs, 'get_vm_moref',
|
||||
return_value=vm_moref):
|
||||
with mock.patch.object(
|
||||
plugin.nsx_v.vcns,
|
||||
'delete_vm_from_exclude_list') as exclude_list_del:
|
||||
data = {'port': {'vnic_index': None, 'device_id': ''}}
|
||||
self.new_update_request(
|
||||
'ports', data, port_id).get_response(self.api)
|
||||
if del_exclude:
|
||||
# make sure the vm was added to the exclude list
|
||||
exclude_list_del.assert_called_once_with(vm_moref)
|
||||
else:
|
||||
self.assertFalse(exclude_list_del.called)
|
||||
|
||||
def _del_port_with_vnic(self, port_id, del_exclude):
|
||||
"""Delete port with vnic, and check if the device was removed
|
||||
from the exclude list
|
||||
"""
|
||||
plugin = self._get_core_plugin_with_dvs()
|
||||
vm_moref = 'dummy_moref'
|
||||
with mock.patch.object(plugin._dvs, 'get_vm_moref',
|
||||
return_value=vm_moref):
|
||||
with mock.patch.object(
|
||||
plugin.nsx_v.vcns,
|
||||
'delete_vm_from_exclude_list') as exclude_list_del:
|
||||
self.new_delete_request(
|
||||
'ports', port_id).get_response(self.api)
|
||||
if del_exclude:
|
||||
# make sure the vm was added to the exclude list
|
||||
exclude_list_del.assert_called_once_with(vm_moref)
|
||||
else:
|
||||
self.assertFalse(exclude_list_del.called)
|
||||
|
||||
def test_update_port_no_security_with_vnic(self):
|
||||
device_id = _uuid()
|
||||
# create a compute port without port security
|
||||
port = self._create_compute_port('net1', device_id, False)
|
||||
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port['port']['id'], True, 3)
|
||||
|
||||
# delete vnic from the port
|
||||
self._del_vnic_from_port(port['port']['id'], True)
|
||||
|
||||
def test_update_multiple_port_no_security_with_vnic(self):
|
||||
device_id = _uuid()
|
||||
# create a compute port without port security
|
||||
port1 = self._create_compute_port('net1', device_id, False)
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port1['port']['id'], True, 3)
|
||||
|
||||
# create another compute port without port security on the same device
|
||||
port2 = self._create_compute_port('net2', device_id, False)
|
||||
# add vnic to the port (no need to add to exclude list again)
|
||||
self._add_vnic_to_port(port2['port']['id'], False, 4)
|
||||
|
||||
# delete vnics from the port
|
||||
self._del_vnic_from_port(port1['port']['id'], False)
|
||||
self._del_vnic_from_port(port2['port']['id'], True)
|
||||
|
||||
def test_update_mixed_port_no_security_with_vnic(self):
|
||||
device_id = _uuid()
|
||||
# create a compute port without port security
|
||||
port1 = self._create_compute_port('net1', device_id, True)
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port1['port']['id'], False, 3)
|
||||
|
||||
irrelevant_device_id = _uuid()
|
||||
# create a compute port without port security for a different device
|
||||
port2 = self._create_compute_port('net1', irrelevant_device_id, True)
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port2['port']['id'], False, 3)
|
||||
|
||||
# create another compute port without port security on the same device
|
||||
port3 = self._create_compute_port('net2', device_id, False)
|
||||
# add vnic to the port (no need to add to exclude list again)
|
||||
self._add_vnic_to_port(port3['port']['id'], True, 4)
|
||||
|
||||
# delete vnics from the port
|
||||
self._del_vnic_from_port(port1['port']['id'], False)
|
||||
self._del_vnic_from_port(port3['port']['id'], True)
|
||||
self._del_vnic_from_port(port2['port']['id'], False)
|
||||
|
||||
def test_delete_port_no_security_with_vnic(self):
|
||||
device_id = _uuid()
|
||||
# create a compute port without port security
|
||||
port = self._create_compute_port('net1', device_id, False)
|
||||
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port['port']['id'], True, 3)
|
||||
|
||||
# delete port with the vnic
|
||||
self._del_port_with_vnic(port['port']['id'], True)
|
||||
|
||||
def test_delete_multiple_port_no_security_with_vnic(self):
|
||||
device_id = _uuid()
|
||||
# create a compute port without port security
|
||||
port1 = self._create_compute_port('net1', device_id, False)
|
||||
# add vnic to the port
|
||||
self._add_vnic_to_port(port1['port']['id'], True, 3)
|
||||
|
||||
# create another compute port without port security on the same device
|
||||
port2 = self._create_compute_port('net2', device_id, False)
|
||||
# add vnic to the port (no need to add to exclude list again)
|
||||
self._add_vnic_to_port(port2['port']['id'], False, 4)
|
||||
|
||||
# delete ports with the vnics
|
||||
self._del_port_with_vnic(port2['port']['id'], False)
|
||||
self._del_port_with_vnic(port1['port']['id'], True)
|
||||
|
||||
|
||||
class TestSharedRouterTestCase(L3NatTest, L3NatTestCaseBase,
|
||||
test_l3_plugin.L3NatTestCaseMixin,
|
||||
|
||||
@ -1073,6 +1073,12 @@ class FakeVcns(object):
|
||||
def inactivate_vnic_assigned_addresses(self, policy_id, vnic_id):
|
||||
pass
|
||||
|
||||
def add_vm_to_exclude_list(self, vm_id):
|
||||
pass
|
||||
|
||||
def delete_vm_from_exclude_list(self, vm_id):
|
||||
pass
|
||||
|
||||
def reset_all(self):
|
||||
self._jobs.clear()
|
||||
self._edges.clear()
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user