# vim: tabstop=4 shiftwidth=4 softtabstop=4 # Copyright 2013 VMware, Inc. # All Rights Reserved # # Licensed under the Apache License, Version 2.0 (the "License"); you may # not use this file except in compliance with the License. You may obtain # a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the # License for the specific language governing permissions and limitations # under the License. import json from neutron.common import exceptions as exception from neutron.openstack.common import log from neutron.plugins.nicira.common import exceptions as nvp_exc from neutron.plugins.nicira.common import utils from neutron.plugins.nicira import NvpApiClient from neutron.plugins.nicira.nvplib import _build_uri_path from neutron.plugins.nicira.nvplib import do_request HTTP_GET = "GET" HTTP_POST = "POST" HTTP_DELETE = "DELETE" HTTP_PUT = "PUT" SERVICECLUSTER_RESOURCE = "service-cluster" LSERVICESNODE_RESOURCE = "lservices-node" LSERVICESNODEPORT_RESOURCE = "lport/%s" % LSERVICESNODE_RESOURCE SUPPORTED_METADATA_OPTIONS = ['metadata_proxy_shared_secret'] LOG = log.getLogger(__name__) def service_cluster_exists(cluster, svc_cluster_id): exists = False try: exists = ( svc_cluster_id and do_request(HTTP_GET, _build_uri_path(SERVICECLUSTER_RESOURCE, resource_id=svc_cluster_id), cluster=cluster) is not None) except exception.NotFound: pass return exists def lsn_for_network_create(cluster, network_id): lsn_obj = { "service_cluster_uuid": cluster.default_service_cluster_uuid, "tags": utils.get_tags(n_network_id=network_id) } return do_request(HTTP_POST, _build_uri_path(LSERVICESNODE_RESOURCE), json.dumps(lsn_obj), cluster=cluster)["uuid"] def lsn_for_network_get(cluster, network_id): filters = {"tag": network_id, "tag_scope": "n_network_id"} results = do_request(HTTP_GET, _build_uri_path(LSERVICESNODE_RESOURCE, fields="uuid", filters=filters), cluster=cluster)['results'] if not results: raise exception.NotFound() elif len(results) == 1: return results[0]['uuid'] def lsn_delete(cluster, lsn_id): do_request(HTTP_DELETE, _build_uri_path(LSERVICESNODE_RESOURCE, resource_id=lsn_id), cluster=cluster) def lsn_port_host_entries_update( cluster, lsn_id, lsn_port_id, conf, hosts_data): hosts_obj = {'hosts': hosts_data} do_request(HTTP_PUT, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id, extra_action=conf), json.dumps(hosts_obj), cluster=cluster) def lsn_port_create(cluster, lsn_id, port_data): port_obj = { "ip_address": port_data["ip_address"], "mac_address": port_data["mac_address"], "tags": utils.get_tags(n_mac_address=port_data["mac_address"], n_subnet_id=port_data["subnet_id"]), "type": "LogicalServicesNodePortConfig", } return do_request(HTTP_POST, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id), json.dumps(port_obj), cluster=cluster)["uuid"] def lsn_port_delete(cluster, lsn_id, lsn_port_id): return do_request(HTTP_DELETE, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id), cluster=cluster) def _lsn_port_get(cluster, lsn_id, filters): results = do_request(HTTP_GET, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, fields="uuid", filters=filters), cluster=cluster)['results'] if not results: raise exception.NotFound() elif len(results) == 1: return results[0]['uuid'] def lsn_port_by_mac_get(cluster, lsn_id, mac_address): filters = {"tag": mac_address, "tag_scope": "n_mac_address"} return _lsn_port_get(cluster, lsn_id, filters) def lsn_port_by_subnet_get(cluster, lsn_id, subnet_id): filters = {"tag": subnet_id, "tag_scope": "n_subnet_id"} return _lsn_port_get(cluster, lsn_id, filters) def lsn_port_info_get(cluster, lsn_id, lsn_port_id): result = do_request(HTTP_GET, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id), cluster=cluster) for tag in result['tags']: if tag['scope'] == 'n_subnet_id': result['subnet_id'] = tag['tag'] break return result def lsn_port_plug_network(cluster, lsn_id, lsn_port_id, lswitch_port_id): patch_obj = { "type": "PatchAttachment", "peer_port_uuid": lswitch_port_id } try: do_request(HTTP_PUT, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id, is_attachment=True), json.dumps(patch_obj), cluster=cluster) except NvpApiClient.Conflict: # This restriction might be lifted at some point msg = (_("Attempt to plug Logical Services Node %(lsn)s into " "network with port %(port)s failed. PatchAttachment " "already exists with another port") % {'lsn': lsn_id, 'port': lswitch_port_id}) LOG.exception(msg) raise nvp_exc.LsnConfigurationConflict(lsn_id=lsn_id) def _lsn_configure_action( cluster, lsn_id, action, is_enabled, obj): lsn_obj = {"enabled": is_enabled} lsn_obj.update(obj) do_request(HTTP_PUT, _build_uri_path(LSERVICESNODE_RESOURCE, resource_id=lsn_id, extra_action=action), json.dumps(lsn_obj), cluster=cluster) def _lsn_port_configure_action( cluster, lsn_id, lsn_port_id, action, is_enabled, obj): do_request(HTTP_PUT, _build_uri_path(LSERVICESNODE_RESOURCE, resource_id=lsn_id, extra_action=action), json.dumps({"enabled": is_enabled}), cluster=cluster) do_request(HTTP_PUT, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id, extra_action=action), json.dumps(obj), cluster=cluster) def lsn_port_dhcp_configure( cluster, lsn_id, lsn_port_id, is_enabled=True, dhcp_options=None): dhcp_options = dhcp_options or {} opts = ["%s=%s" % (key, val) for key, val in dhcp_options.iteritems()] dhcp_obj = { 'options': {'options': opts} } _lsn_port_configure_action( cluster, lsn_id, lsn_port_id, 'dhcp', is_enabled, dhcp_obj) def lsn_metadata_configure( cluster, lsn_id, is_enabled=True, metadata_info=None): opts = [ "%s=%s" % (opt, metadata_info[opt]) for opt in SUPPORTED_METADATA_OPTIONS if metadata_info.get(opt) ] meta_obj = { 'metadata_server_ip': metadata_info['metadata_server_ip'], 'metadata_server_port': metadata_info['metadata_server_port'], 'misc_options': opts } _lsn_configure_action( cluster, lsn_id, 'metadata-proxy', is_enabled, meta_obj) def _lsn_port_host_action( cluster, lsn_id, lsn_port_id, host_obj, extra_action, action): do_request(HTTP_POST, _build_uri_path(LSERVICESNODEPORT_RESOURCE, parent_resource_id=lsn_id, resource_id=lsn_port_id, extra_action=extra_action, filters={"action": action}), json.dumps(host_obj), cluster=cluster) def lsn_port_dhcp_host_add(cluster, lsn_id, lsn_port_id, host_data): _lsn_port_host_action( cluster, lsn_id, lsn_port_id, host_data, 'dhcp', 'add_host') def lsn_port_dhcp_host_remove(cluster, lsn_id, lsn_port_id, host_data): _lsn_port_host_action( cluster, lsn_id, lsn_port_id, host_data, 'dhcp', 'remove_host') def lsn_port_metadata_host_add(cluster, lsn_id, lsn_port_id, host_data): _lsn_port_host_action( cluster, lsn_id, lsn_port_id, host_data, 'metadata-proxy', 'add_host') def lsn_port_metadata_host_remove(cluster, lsn_id, lsn_port_id, host_data): _lsn_port_host_action(cluster, lsn_id, lsn_port_id, host_data, 'metadata-proxy', 'remove_host')