implements blueprint: #vnf-scaling Change-Id: I29269369faf57766ac51c2d12e10fecc1331e474changes/73/363573/15
Kanagaraj Manickam
7 years ago
committed by
Sridhar Ramaswamy
parent
cf7f677fc7
commit
f291eda290
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tosca_definitions_version: tosca_simple_profile_for_nfv_1_0_0
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description: sample-tosca-vnfd-scaling
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metadata:
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template_name: sample-tosca-vnfd-scaling
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topology_template:
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node_templates:
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VDU1:
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type: tosca.nodes.nfv.VDU.Tacker
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capabilities:
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nfv_compute:
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properties:
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num_cpus: 1
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mem_size: 512 MB
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disk_size: 1 GB
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properties:
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image: cirros-0.3.4-x86_64-uec
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mgmt_driver: noop
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availability_zone: nova
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CP1:
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type: tosca.nodes.nfv.CP.Tacker
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properties:
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management: true
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anti_spoofing_protection: false
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requirements:
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- virtualLink:
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node: VL1
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- virtualBinding:
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node: VDU1
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VL1:
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type: tosca.nodes.nfv.VL
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properties:
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network_name: net_mgmt
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vendor: Tacker
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policies:
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- SP1:
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type: tosca.policy.tacker.Scaling
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properties:
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increment: 1
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cooldown: 60
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min_instances: 1
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max_instances: 3
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default_instances: 2
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targets: [VDU1]
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@ -0,0 +1,86 @@
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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 time
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from oslo_config import cfg
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from tacker.tests import constants
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from tacker.tests.functional import base
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from tacker.tests.utils import read_file
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CONF = cfg.CONF
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class VnfTestToscaScale(base.BaseTackerTest):
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def test_vnf_tosca_scale(self):
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data = dict()
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data['tosca'] = read_file('sample-tosca-scale-all.yaml')
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vnfd_name = 'test_tosca_vnf_scale_all'
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toscal = data['tosca']
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tosca_arg = {'vnfd': {'name': vnfd_name,
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'attributes': {'vnfd': toscal}}}
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# Create vnfd with tosca template
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vnfd_instance = self.client.create_vnfd(body=tosca_arg)
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self.assertIsNotNone(vnfd_instance)
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# Create vnf with vnfd_id
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vnfd_id = vnfd_instance['vnfd']['id']
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vnf_name = 'test_tosca_vnf_scale_all'
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vnf_arg = {'vnf': {'vnfd_id': vnfd_id, 'name': vnf_name}}
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vnf_instance = self.client.create_vnf(body=vnf_arg)
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self.validate_vnf_instance(vnfd_instance, vnf_instance)
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vnf_id = vnf_instance['vnf']['id']
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# TODO(kanagaraj-manickam) once load-balancer support is enabled,
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# update this logic to validate the scaling
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def _wait(count):
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self.wait_until_vnf_active(
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vnf_id,
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constants.VNF_CIRROS_CREATE_TIMEOUT,
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constants.ACTIVE_SLEEP_TIME)
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vnf = self.client.show_vnf(vnf_id)['vnf']
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# {"VDU1": ["10.0.0.14", "10.0.0.5"]}
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self.assertEqual(count, len(json.loads(vnf['mgmt_url'])['VDU1']))
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_wait(2)
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def _scale(type, count):
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body = {"scale": {'type': type, 'policy': 'SP1'}}
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self.client.scale_vnf(vnf_id, body)
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_wait(count)
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# scale out
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time.sleep(constants.SCALE_WINDOW_SLEEP_TIME)
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_scale('out', 3)
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# scale in
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time.sleep(constants.SCALE_WINDOW_SLEEP_TIME)
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_scale('in', 2)
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# Delete vnf_instance with vnf_id
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try:
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self.client.delete_vnf(vnf_id)
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except Exception:
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assert False, "vnf Delete failed"
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# Delete vnfd_instance
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self.addCleanup(self.client.delete_vnfd, vnfd_id)
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self.addCleanup(self.wait_until_vnf_delete, vnf_id,
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constants.VNF_CIRROS_DELETE_TIMEOUT)
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