96 lines
3.7 KiB
Python
96 lines
3.7 KiB
Python
# Copyright 2016 VMware, Inc. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from neutron_lib.callbacks import registry
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from neutron_lib import context as neutron_context
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from neutron_lib import exceptions
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from oslo_config import cfg
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from oslo_log import log as logging
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from vmware_nsx.common import utils as nsx_utils
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from vmware_nsx.shell.admin.plugins.common import constants
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from vmware_nsx.shell.admin.plugins.common import formatters
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from vmware_nsx.shell.admin.plugins.common import utils as admin_utils
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from vmware_nsx.shell.admin.plugins.nsxv3.resources import utils
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import vmware_nsx.shell.resources as shell
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LOG = logging.getLogger(__name__)
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neutron_client = utils.NeutronDbClient()
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@admin_utils.output_header
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def list_dhcp_bindings(resource, event, trigger, **kwargs):
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"""List DHCP bindings in Neutron."""
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comp_ports = [port for port in neutron_client.get_ports()
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if nsx_utils.is_port_dhcp_configurable(port)]
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LOG.info(formatters.output_formatter(constants.DHCP_BINDING, comp_ports,
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['id', 'mac_address', 'fixed_ips']))
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@admin_utils.output_header
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def nsx_recreate_dhcp_server(resource, event, trigger, **kwargs):
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"""Recreate DHCP server & binding for a neutron network"""
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if not cfg.CONF.nsx_v3.native_dhcp_metadata:
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LOG.error("Native DHCP is disabled.")
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return
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errmsg = ("Need to specify net-id property. Add --property net-id=<id>")
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if not kwargs.get('property'):
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LOG.error("%s", errmsg)
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return
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properties = admin_utils.parse_multi_keyval_opt(kwargs['property'])
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net_id = properties.get('net-id')
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if not net_id:
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LOG.error("%s", errmsg)
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return
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context = neutron_context.get_admin_context()
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with utils.NsxV3PluginWrapper() as plugin:
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# verify that this is an existing network with dhcp enabled
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try:
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network = plugin._get_network(context, net_id)
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except exceptions.NetworkNotFound:
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LOG.error("Network %s was not found", net_id)
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return
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if plugin._has_no_dhcp_enabled_subnet(context, network):
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LOG.error("Network %s has no DHCP enabled subnet", net_id)
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return
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dhcp_relay = plugin.get_network_az_by_net_id(
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context, net_id).dhcp_relay_service
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if dhcp_relay:
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LOG.error("Native DHCP should not be enabled with dhcp relay")
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return
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# find the dhcp subnet of this network
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subnet_id = None
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for subnet in network.subnets:
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if subnet.enable_dhcp:
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subnet_id = subnet.id
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break
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if not subnet_id:
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LOG.error("Network %s has no DHCP enabled subnet", net_id)
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return
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dhcp_subnet = plugin.get_subnet(context, subnet_id)
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# disable and re-enable the dhcp
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plugin._enable_native_dhcp(context, network, dhcp_subnet)
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LOG.info("Done.")
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registry.subscribe(list_dhcp_bindings,
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constants.DHCP_BINDING,
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shell.Operations.LIST.value)
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registry.subscribe(nsx_recreate_dhcp_server,
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constants.DHCP_BINDING,
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shell.Operations.NSX_RECREATE.value)
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