562 lines
24 KiB
Python
562 lines
24 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nicira Networks, Inc.
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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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import json
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import urlparse
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from quantum.openstack.common import log as logging
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from quantum.openstack.common import uuidutils
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from quantum.plugins.nicira import NvpApiClient
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LOG = logging.getLogger(__name__)
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MAX_NAME_LEN = 40
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def _validate_name(name):
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if name and len(name) > MAX_NAME_LEN:
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raise Exception("Logical switch name exceeds %d characters",
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MAX_NAME_LEN)
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def _validate_resource(body):
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_validate_name(body.get('display_name'))
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class FakeClient:
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LSWITCH_RESOURCE = 'lswitch'
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LPORT_RESOURCE = 'lport'
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LROUTER_RESOURCE = 'lrouter'
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NAT_RESOURCE = 'nat'
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LQUEUE_RESOURCE = 'lqueue'
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SECPROF_RESOURCE = 'securityprofile'
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LSWITCH_STATUS = 'lswitchstatus'
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LROUTER_STATUS = 'lrouterstatus'
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LSWITCH_LPORT_RESOURCE = 'lswitch_lport'
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LROUTER_LPORT_RESOURCE = 'lrouter_lport'
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LROUTER_NAT_RESOURCE = 'lrouter_nat'
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LSWITCH_LPORT_STATUS = 'lswitch_lportstatus'
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LSWITCH_LPORT_ATT = 'lswitch_lportattachment'
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LROUTER_LPORT_STATUS = 'lrouter_lportstatus'
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LROUTER_LPORT_ATT = 'lrouter_lportattachment'
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GWSERVICE_RESOURCE = 'gatewayservice'
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RESOURCES = [LSWITCH_RESOURCE, LROUTER_RESOURCE, LQUEUE_RESOURCE,
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LPORT_RESOURCE, NAT_RESOURCE, SECPROF_RESOURCE,
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GWSERVICE_RESOURCE]
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FAKE_GET_RESPONSES = {
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LSWITCH_RESOURCE: "fake_get_lswitch.json",
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LSWITCH_LPORT_RESOURCE: "fake_get_lswitch_lport.json",
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LSWITCH_LPORT_STATUS: "fake_get_lswitch_lport_status.json",
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LSWITCH_LPORT_ATT: "fake_get_lswitch_lport_att.json",
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LROUTER_RESOURCE: "fake_get_lrouter.json",
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LROUTER_LPORT_RESOURCE: "fake_get_lrouter_lport.json",
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LROUTER_LPORT_STATUS: "fake_get_lrouter_lport_status.json",
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LROUTER_LPORT_ATT: "fake_get_lrouter_lport_att.json",
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LROUTER_STATUS: "fake_get_lrouter_status.json",
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LROUTER_NAT_RESOURCE: "fake_get_lrouter_nat.json",
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GWSERVICE_RESOURCE: "fake_get_gwservice.json"
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}
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FAKE_POST_RESPONSES = {
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LSWITCH_RESOURCE: "fake_post_lswitch.json",
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LROUTER_RESOURCE: "fake_post_lrouter.json",
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LSWITCH_LPORT_RESOURCE: "fake_post_lswitch_lport.json",
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LROUTER_LPORT_RESOURCE: "fake_post_lrouter_lport.json",
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LROUTER_NAT_RESOURCE: "fake_post_lrouter_nat.json",
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SECPROF_RESOURCE: "fake_post_security_profile.json",
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LQUEUE_RESOURCE: "fake_post_lqueue.json",
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GWSERVICE_RESOURCE: "fake_post_gwservice.json"
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}
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FAKE_PUT_RESPONSES = {
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LSWITCH_RESOURCE: "fake_post_lswitch.json",
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LROUTER_RESOURCE: "fake_post_lrouter.json",
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LSWITCH_LPORT_RESOURCE: "fake_post_lswitch_lport.json",
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LROUTER_LPORT_RESOURCE: "fake_post_lrouter_lport.json",
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LROUTER_NAT_RESOURCE: "fake_post_lrouter_nat.json",
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LSWITCH_LPORT_ATT: "fake_put_lswitch_lport_att.json",
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LROUTER_LPORT_ATT: "fake_put_lrouter_lport_att.json",
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SECPROF_RESOURCE: "fake_post_security_profile.json",
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LQUEUE_RESOURCE: "fake_post_lqueue.json",
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GWSERVICE_RESOURCE: "fake_post_gwservice.json"
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}
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MANAGED_RELATIONS = {
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LSWITCH_RESOURCE: [],
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LROUTER_RESOURCE: [],
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LSWITCH_LPORT_RESOURCE: ['LogicalPortAttachment'],
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LROUTER_LPORT_RESOURCE: ['LogicalPortAttachment'],
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}
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_fake_lswitch_dict = {}
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_fake_lrouter_dict = {}
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_fake_lswitch_lport_dict = {}
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_fake_lrouter_lport_dict = {}
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_fake_lrouter_nat_dict = {}
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_fake_lswitch_lportstatus_dict = {}
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_fake_lrouter_lportstatus_dict = {}
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_fake_securityprofile_dict = {}
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_fake_lqueue_dict = {}
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_fake_gatewayservice_dict = {}
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_validators = {
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LSWITCH_RESOURCE: _validate_resource,
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LSWITCH_LPORT_RESOURCE: _validate_resource,
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LROUTER_LPORT_RESOURCE: _validate_resource,
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SECPROF_RESOURCE: _validate_resource,
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LQUEUE_RESOURCE: _validate_resource,
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GWSERVICE_RESOURCE: _validate_resource
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}
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def __init__(self, fake_files_path):
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self.fake_files_path = fake_files_path
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def _get_tag(self, resource, scope):
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tags = [tag['tag'] for tag in resource['tags']
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if tag['scope'] == scope]
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return len(tags) > 0 and tags[0]
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def _get_filters(self, querystring):
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if not querystring:
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return (None, None)
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params = urlparse.parse_qs(querystring)
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tag_filter = None
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attr_filter = None
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if 'tag' in params and 'tag_scope' in params:
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tag_filter = {'scope': params['tag_scope'][0],
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'tag': params['tag'][0]}
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elif 'uuid' in params:
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attr_filter = {'uuid': params['uuid'][0]}
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return (tag_filter, attr_filter)
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def _add_lswitch(self, body):
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fake_lswitch = json.loads(body)
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fake_lswitch['uuid'] = uuidutils.generate_uuid()
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self._fake_lswitch_dict[fake_lswitch['uuid']] = fake_lswitch
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# put the tenant_id and the zone_uuid in the main dict
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# for simplyfying templating
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zone_uuid = fake_lswitch['transport_zones'][0]['zone_uuid']
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fake_lswitch['zone_uuid'] = zone_uuid
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fake_lswitch['tenant_id'] = self._get_tag(fake_lswitch, 'os_tid')
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fake_lswitch['lport_count'] = 0
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return fake_lswitch
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def _add_lrouter(self, body):
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fake_lrouter = json.loads(body)
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fake_lrouter['uuid'] = uuidutils.generate_uuid()
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self._fake_lrouter_dict[fake_lrouter['uuid']] = fake_lrouter
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fake_lrouter['tenant_id'] = self._get_tag(fake_lrouter, 'os_tid')
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fake_lrouter['lport_count'] = 0
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default_nexthop = fake_lrouter['routing_config'].get(
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'default_route_next_hop')
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fake_lrouter['default_next_hop'] = default_nexthop.get(
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'gateway_ip_address', '0.0.0.0')
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return fake_lrouter
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def _add_lqueue(self, body):
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fake_lqueue = json.loads(body)
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fake_lqueue['uuid'] = uuidutils.generate_uuid()
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self._fake_lqueue_dict[fake_lqueue['uuid']] = fake_lqueue
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return fake_lqueue
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def _add_lswitch_lport(self, body, ls_uuid):
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fake_lport = json.loads(body)
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new_uuid = uuidutils.generate_uuid()
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fake_lport['uuid'] = new_uuid
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# put the tenant_id and the ls_uuid in the main dict
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# for simplyfying templating
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fake_lport['ls_uuid'] = ls_uuid
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fake_lport['tenant_id'] = self._get_tag(fake_lport, 'os_tid')
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fake_lport['quantum_port_id'] = self._get_tag(fake_lport,
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'q_port_id')
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fake_lport['quantum_device_id'] = self._get_tag(fake_lport, 'vm_id')
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self._fake_lswitch_lport_dict[fake_lport['uuid']] = fake_lport
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fake_lswitch = self._fake_lswitch_dict[ls_uuid]
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fake_lswitch['lport_count'] += 1
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fake_lport_status = fake_lport.copy()
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fake_lport_status['ls_tenant_id'] = fake_lswitch['tenant_id']
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fake_lport_status['ls_uuid'] = fake_lswitch['uuid']
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fake_lport_status['ls_name'] = fake_lswitch['display_name']
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fake_lport_status['ls_zone_uuid'] = fake_lswitch['zone_uuid']
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self._fake_lswitch_lportstatus_dict[new_uuid] = fake_lport_status
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return fake_lport
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def _add_lrouter_lport(self, body, lr_uuid):
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fake_lport = json.loads(body)
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new_uuid = uuidutils.generate_uuid()
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fake_lport['uuid'] = new_uuid
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# put the tenant_id and the ls_uuid in the main dict
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# for simplyfying templating
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fake_lport['lr_uuid'] = lr_uuid
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fake_lport['tenant_id'] = self._get_tag(fake_lport, 'os_tid')
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fake_lport['quantum_port_id'] = self._get_tag(fake_lport,
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'q_port_id')
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# replace ip_address with its json dump
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if 'ip_addresses' in fake_lport:
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ip_addresses_json = json.dumps(fake_lport['ip_addresses'])
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fake_lport['ip_addresses_json'] = ip_addresses_json
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self._fake_lrouter_lport_dict[fake_lport['uuid']] = fake_lport
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fake_lrouter = self._fake_lrouter_dict[lr_uuid]
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fake_lrouter['lport_count'] += 1
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fake_lport_status = fake_lport.copy()
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fake_lport_status['lr_tenant_id'] = fake_lrouter['tenant_id']
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fake_lport_status['lr_uuid'] = fake_lrouter['uuid']
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fake_lport_status['lr_name'] = fake_lrouter['display_name']
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self._fake_lrouter_lportstatus_dict[new_uuid] = fake_lport_status
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return fake_lport
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def _add_securityprofile(self, body):
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fake_securityprofile = json.loads(body)
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fake_securityprofile['uuid'] = uuidutils.generate_uuid()
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fake_securityprofile['tenant_id'] = self._get_tag(
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fake_securityprofile, 'os_tid')
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fake_securityprofile['nova_spid'] = self._get_tag(fake_securityprofile,
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'nova_spid')
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self._fake_securityprofile_dict[fake_securityprofile['uuid']] = (
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fake_securityprofile)
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return fake_securityprofile
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def _add_lrouter_nat(self, body, lr_uuid):
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fake_nat = json.loads(body)
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new_uuid = uuidutils.generate_uuid()
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fake_nat['uuid'] = new_uuid
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fake_nat['lr_uuid'] = lr_uuid
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self._fake_lrouter_nat_dict[fake_nat['uuid']] = fake_nat
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if 'match' in fake_nat:
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match_json = json.dumps(fake_nat['match'])
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fake_nat['match_json'] = match_json
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return fake_nat
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def _add_gatewayservice(self, body):
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fake_gwservice = json.loads(body)
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fake_gwservice['uuid'] = str(uuidutils.generate_uuid())
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fake_gwservice['tenant_id'] = self._get_tag(
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fake_gwservice, 'os_tid')
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# FIXME(salvatore-orlando): For simplicity we're managing only a
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# single device. Extend the fake client for supporting multiple devices
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first_gw = fake_gwservice['gateways'][0]
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fake_gwservice['transport_node_uuid'] = first_gw['transport_node_uuid']
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fake_gwservice['device_id'] = first_gw['device_id']
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self._fake_gatewayservice_dict[fake_gwservice['uuid']] = (
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fake_gwservice)
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return fake_gwservice
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def _build_relation(self, src, dst, resource_type, relation):
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if not relation in self.MANAGED_RELATIONS[resource_type]:
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return # Relation is not desired in output
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if not '_relations' in src or not src['_relations'].get(relation):
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return # Item does not have relation
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relation_data = src['_relations'].get(relation)
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dst_relations = dst.get('_relations', {})
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dst_relations[relation] = relation_data
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dst['_relations'] = dst_relations
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def _fill_attachment(self, att_data, ls_uuid=None,
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lr_uuid=None, lp_uuid=None):
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new_data = att_data.copy()
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for k in ('ls_uuid', 'lr_uuid', 'lp_uuid'):
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if locals().get(k):
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new_data[k] = locals()[k]
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def populate_field(field_name):
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if field_name in att_data:
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new_data['%s_field' % field_name] = ('"%s" : "%s",'
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% (field_name,
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att_data[field_name]))
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del new_data[field_name]
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else:
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new_data['%s_field' % field_name] = ""
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for field in ['vif_uuid', 'peer_port_href', 'vlan_id',
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'peer_port_uuid', 'l3_gateway_service_uuid']:
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populate_field(field)
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return new_data
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def _get_resource_type(self, path):
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"""
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Identifies resource type and relevant uuids in the uri
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/ws.v1/lswitch/xxx
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/ws.v1/lswitch/xxx/status
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/ws.v1/lswitch/xxx/lport/yyy
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/ws.v1/lswitch/xxx/lport/yyy/status
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/ws.v1/lrouter/zzz
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/ws.v1/lrouter/zzz/status
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/ws.v1/lrouter/zzz/lport/www
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/ws.v1/lrouter/zzz/lport/www/status
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/ws.v1/lqueue/xxx
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"""
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# The first element will always be 'ws.v1' - so we just discard it
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uri_split = path.split('/')[1:]
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# parse uri_split backwards
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suffix = ""
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idx = len(uri_split) - 1
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if 'status' in uri_split[idx]:
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suffix = "status"
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idx = idx - 1
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elif 'attachment' in uri_split[idx]:
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suffix = "attachment"
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idx = idx - 1
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# then check if we have an uuid
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uuids = []
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if uri_split[idx].replace('-', '') not in self.RESOURCES:
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uuids.append(uri_split[idx])
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idx = idx - 1
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resource_type = "%s%s" % (uri_split[idx], suffix)
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if idx > 1:
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uuids.insert(0, uri_split[idx - 1])
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resource_type = "%s_%s" % (uri_split[idx - 2], resource_type)
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return (resource_type.replace('-', ''), uuids)
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def _list(self, resource_type, response_file,
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parent_uuid=None, query=None, relations=None):
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(tag_filter, attr_filter) = self._get_filters(query)
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with open("%s/%s" % (self.fake_files_path, response_file)) as f:
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response_template = f.read()
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res_dict = getattr(self, '_fake_%s_dict' % resource_type)
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if parent_uuid == '*':
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parent_uuid = None
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def _attr_match(res_uuid):
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if not attr_filter:
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return True
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item = res_dict[res_uuid]
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for (attr, value) in attr_filter.iteritems():
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if item.get(attr) != value:
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return False
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return True
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def _tag_match(res_uuid):
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if not tag_filter:
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return True
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return any([x['scope'] == tag_filter['scope'] and
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x['tag'] == tag_filter['tag']
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for x in res_dict[res_uuid]['tags']])
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def _lswitch_match(res_uuid):
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# verify that the switch exist
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if parent_uuid and not parent_uuid in self._fake_lswitch_dict:
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raise Exception(_("lswitch:%s not found") % parent_uuid)
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if (not parent_uuid
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or res_dict[res_uuid].get('ls_uuid') == parent_uuid):
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return True
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return False
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def _lrouter_match(res_uuid):
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# verify that the router exist
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if parent_uuid and not parent_uuid in self._fake_lrouter_dict:
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raise Exception(_("lrouter:%s not found") % parent_uuid)
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if (not parent_uuid or
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res_dict[res_uuid].get('lr_uuid') == parent_uuid):
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return True
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return False
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def _build_item(resource):
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item = json.loads(response_template % resource)
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if relations:
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for relation in relations:
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self._build_relation(resource, item,
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resource_type, relation)
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return item
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for item in res_dict.itervalues():
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if 'tags' in item:
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item['tags_json'] = json.dumps(item['tags'])
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if resource_type in (self.LSWITCH_LPORT_RESOURCE,
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self.LSWITCH_LPORT_ATT,
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self.LSWITCH_LPORT_STATUS):
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parent_func = _lswitch_match
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elif resource_type in (self.LROUTER_LPORT_RESOURCE,
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self.LROUTER_LPORT_ATT,
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self.LROUTER_NAT_RESOURCE,
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self.LROUTER_LPORT_STATUS):
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parent_func = _lrouter_match
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else:
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parent_func = lambda x: True
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items = [_build_item(res_dict[res_uuid])
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for res_uuid in res_dict
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if (parent_func(res_uuid) and
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_tag_match(res_uuid) and
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_attr_match(res_uuid))]
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return json.dumps({'results': items,
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'result_count': len(items)})
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def _show(self, resource_type, response_file,
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uuid1, uuid2=None, relations=None):
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target_uuid = uuid2 or uuid1
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if resource_type.endswith('attachment'):
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resource_type = resource_type[:resource_type.index('attachment')]
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with open("%s/%s" % (self.fake_files_path, response_file)) as f:
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response_template = f.read()
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res_dict = getattr(self, '_fake_%s_dict' % resource_type)
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for item in res_dict.itervalues():
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if 'tags' in item:
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item['tags_json'] = json.dumps(item['tags'])
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items = [json.loads(response_template % res_dict[res_uuid])
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for res_uuid in res_dict if res_uuid == target_uuid]
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if items:
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return json.dumps(items[0])
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raise NvpApiClient.ResourceNotFound()
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def handle_get(self, url):
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#TODO(salvatore-orlando): handle field selection
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parsedurl = urlparse.urlparse(url)
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(res_type, uuids) = self._get_resource_type(parsedurl.path)
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relations = urlparse.parse_qs(parsedurl.query).get('relations')
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response_file = self.FAKE_GET_RESPONSES.get(res_type)
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if not response_file:
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|
raise Exception("resource not found")
|
|
if 'lport' in res_type or 'nat' in res_type:
|
|
if len(uuids) > 1:
|
|
return self._show(res_type, response_file, uuids[0],
|
|
uuids[1], relations=relations)
|
|
else:
|
|
return self._list(res_type, response_file, uuids[0],
|
|
query=parsedurl.query, relations=relations)
|
|
elif ('lswitch' in res_type or
|
|
'lrouter' in res_type or
|
|
self.SECPROF_RESOURCE in res_type or
|
|
'gatewayservice' in res_type):
|
|
LOG.debug("UUIDS:%s", uuids)
|
|
if uuids:
|
|
return self._show(res_type, response_file, uuids[0],
|
|
relations=relations)
|
|
else:
|
|
return self._list(res_type, response_file,
|
|
query=parsedurl.query,
|
|
relations=relations)
|
|
else:
|
|
raise Exception("unknown resource:%s" % res_type)
|
|
|
|
def handle_post(self, url, body):
|
|
parsedurl = urlparse.urlparse(url)
|
|
(res_type, uuids) = self._get_resource_type(parsedurl.path)
|
|
response_file = self.FAKE_POST_RESPONSES.get(res_type)
|
|
if not response_file:
|
|
raise Exception("resource not found")
|
|
with open("%s/%s" % (self.fake_files_path, response_file)) as f:
|
|
response_template = f.read()
|
|
add_resource = getattr(self, '_add_%s' % res_type)
|
|
body_json = json.loads(body)
|
|
val_func = self._validators.get(res_type)
|
|
if val_func:
|
|
val_func(body_json)
|
|
args = [body]
|
|
if uuids:
|
|
args.append(uuids[0])
|
|
response = response_template % add_resource(*args)
|
|
return response
|
|
|
|
def handle_put(self, url, body):
|
|
parsedurl = urlparse.urlparse(url)
|
|
(res_type, uuids) = self._get_resource_type(parsedurl.path)
|
|
response_file = self.FAKE_PUT_RESPONSES.get(res_type)
|
|
if not response_file:
|
|
raise Exception("resource not found")
|
|
with open("%s/%s" % (self.fake_files_path, response_file)) as f:
|
|
response_template = f.read()
|
|
# Manage attachment operations
|
|
is_attachment = False
|
|
if res_type.endswith('attachment'):
|
|
is_attachment = True
|
|
res_type = res_type[:res_type.index('attachment')]
|
|
res_dict = getattr(self, '_fake_%s_dict' % res_type)
|
|
body_json = json.loads(body)
|
|
val_func = self._validators.get(res_type)
|
|
if val_func:
|
|
val_func(body_json)
|
|
resource = res_dict[uuids[-1]]
|
|
if not is_attachment:
|
|
resource.update(body_json)
|
|
else:
|
|
relations = resource.get("_relations", {})
|
|
body_2 = json.loads(body)
|
|
resource['att_type'] = body_2['type']
|
|
relations['LogicalPortAttachment'] = body_2
|
|
resource['_relations'] = relations
|
|
if body_2['type'] == "PatchAttachment":
|
|
# We need to do a trick here
|
|
if self.LROUTER_RESOURCE in res_type:
|
|
res_type_2 = res_type.replace(self.LROUTER_RESOURCE,
|
|
self.LSWITCH_RESOURCE)
|
|
elif self.LSWITCH_RESOURCE in res_type:
|
|
res_type_2 = res_type.replace(self.LSWITCH_RESOURCE,
|
|
self.LROUTER_RESOURCE)
|
|
res_dict_2 = getattr(self, '_fake_%s_dict' % res_type_2)
|
|
body_2['peer_port_uuid'] = uuids[-1]
|
|
resource_2 = res_dict_2[json.loads(body)['peer_port_uuid']]
|
|
relations_2 = resource_2.get("_relations")
|
|
if not relations_2:
|
|
relations_2 = {}
|
|
relations_2['LogicalPortAttachment'] = body_2
|
|
resource_2['_relations'] = relations_2
|
|
elif body_2['type'] == "L3GatewayAttachment":
|
|
resource['attachment_gwsvc_uuid'] = (
|
|
body_2['l3_gateway_service_uuid'])
|
|
resource['vlan_id'] = body_2.get('vlan_id')
|
|
elif body_2['type'] == "L2GatewayAttachment":
|
|
resource['attachment_gwsvc_uuid'] = (
|
|
body_2['l2_gateway_service_uuid'])
|
|
|
|
if not is_attachment:
|
|
response = response_template % resource
|
|
else:
|
|
if res_type == self.LROUTER_LPORT_RESOURCE:
|
|
lr_uuid = uuids[0]
|
|
ls_uuid = None
|
|
elif res_type == self.LSWITCH_LPORT_RESOURCE:
|
|
ls_uuid = uuids[0]
|
|
lr_uuid = None
|
|
lp_uuid = uuids[1]
|
|
response = response_template % self._fill_attachment(
|
|
json.loads(body), ls_uuid, lr_uuid, lp_uuid)
|
|
return response
|
|
|
|
def handle_delete(self, url):
|
|
parsedurl = urlparse.urlparse(url)
|
|
(res_type, uuids) = self._get_resource_type(parsedurl.path)
|
|
response_file = self.FAKE_PUT_RESPONSES.get(res_type)
|
|
if not response_file:
|
|
raise Exception("resource not found")
|
|
res_dict = getattr(self, '_fake_%s_dict' % res_type)
|
|
try:
|
|
del res_dict[uuids[-1]]
|
|
except KeyError:
|
|
raise NvpApiClient.ResourceNotFound()
|
|
return ""
|
|
|
|
def fake_request(self, *args, **kwargs):
|
|
method = args[0]
|
|
handler = getattr(self, "handle_%s" % method.lower())
|
|
return handler(*args[1:])
|
|
|
|
def reset_all(self):
|
|
self._fake_lswitch_dict.clear()
|
|
self._fake_lrouter_dict.clear()
|
|
self._fake_lswitch_lport_dict.clear()
|
|
self._fake_lrouter_lport_dict.clear()
|
|
self._fake_lswitch_lportstatus_dict.clear()
|
|
self._fake_lrouter_lportstatus_dict.clear()
|
|
self._fake_lqueue_dict.clear()
|
|
self._fake_securityprofile_dict.clear()
|
|
self._fake_gatewayservice_dict.clear()
|