systest/testcases/vnfs/test_vnfs.py

   1 # Copyright 2017 Sandvine
   2 #
   3 # All Rights Reserved.
   4 #
   5 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
   6 #    not use this file except in compliance with the License. You may obtain
   7 #    a copy of the License at
   8 #
   9 #         http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 #    Unless required by applicable law or agreed to in writing, software
  12 #    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  13 #    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  14 #    License for the specific language governing permissions and limitations
  15 #    under the License.
  16
  17 import pytest
  18 import pprint
  19 import time
  20 from osmclient.common import utils
  21 import pprint
  22
  23 class TestClass(object):
  24
  25     @pytest.fixture(scope='function')
  26     def cleanup_test_vnf(self,osm,request):
  27         vnfd_file_list = osm.vnfd_descriptors_list
  28         nsd_file_list = osm.nsd_descriptors_list
  29
  30         # cleanup all ns/packages that might have been left around
  31         def teardown():
  32
  33             # first delete all nsd's
  34             for file in nsd_file_list:
  35                 try:
  36                     desc = osm.get_api().package.get_key_val_from_pkg(file)
  37                     ns_name=osm.ns_name_prefix+desc['name']
  38                     osm.get_api().ns.delete(ns_name)
  39                 except:
  40                     pass
  41
  42             # delete all nsd packages
  43             for file in nsd_file_list:
  44                 try:
  45                     desc = osm.get_api().package.get_key_val_from_pkg(file)
  46                     osm.get_api().nsd.delete(desc['name'])
  47                 except:
  48                     pass
  49
  50             # delete all vnfd packages
  51             for file in vnfd_file_list:
  52                 try:
  53                     desc = osm.get_api().package.get_key_val_from_pkg(file)
  54                     osm.get_api().vnfd.delete(desc['name'])
  55                 except:
  56                     pass
  57
  58         request.addfinalizer(teardown)
  59
  60     def vnf_upload_packages(self, osm, vnfd_file_list, nsd_file_list ):
  61         vnfd_descriptors=[]
  62         for file in vnfd_file_list:
  63             assert not osm.get_api().package.upload(file)
  64             assert not osm.get_api().package.wait_for_upload(file)
  65             desc = osm.get_api().package.get_key_val_from_pkg(file)
  66             assert desc
  67             vnfd_descriptors.append(desc)
  68
  69         nsd_descriptors=[]
  70         for file in nsd_file_list:
  71             assert not osm.get_api().package.upload(file)
  72             assert not osm.get_api().package.wait_for_upload(file)
  73             desc = osm.get_api().package.get_key_val_from_pkg(file)
  74             assert desc
  75             nsd_descriptors.append(desc)
  76         # TODO/HACK: need to figure out why this is necessary.
  77         # vnfd/nsd is there (seen on ping_pong), but the ns fails that nsd is not there,
  78         # another way to check if the nsd is really ready via API?
  79         time.sleep(5)
  80
  81     def vnf_test(self,osm, openstack, vim, vmware, vnfd_file_list, nsd_file_list, ns_scale=False):
  82
  83         # FIXME: need sleep after vim creation. Need a way to validate vim is ready to handle requests
  84         time.sleep(20)
  85
  86         for file in nsd_file_list:
  87             nsd_desc = osm.get_api().package.get_key_val_from_pkg(file)
  88
  89             ns_name=osm.ns_name_prefix+nsd_desc['name']
  90
  91             assert osm.get_api().ns.create(nsd_desc['name'],ns_name,vim.vim_name)
  92            # commenting the init check as sometime it is going to running state very fast
  93
  94            # if not utils.wait_for_value(lambda: osm.get_api().ns.get_field(ns_name,'operational-status'),result='init', wait_time=30):
  95             #    nsr=osm.get_api().ns.get(ns_name)
  96             #    pprint.pprint(nsr)
  97             #    assert True, "operational-status != init"
  98
  99             # make sure ns is running
 100             if not utils.wait_for_value(lambda: osm.get_api().ns.get_field(ns_name,'operational-status'),result='running',wait_time=240):
 101                 nsr=osm.get_api().ns.get(ns_name)
 102                 pprint.pprint(nsr)
 103                 assert True, "operational-status != running"
 104
 105             if ns_scale:
 106                 # for each descriptor, scale it
 107                 for scale in nsd_desc['scaling-group-descriptor']:
 108                     # scale it.
 109                     assert not osm.get_api().ns.scale(ns_name, scale['name'], 1)
 110
 111                     # ensure ns is scaling-out
 112                     assert utils.wait_for_value(lambda: osm.get_api().ns.get_field(ns_name,'operational-status'),result='scaling-out',wait_time=120)
 113
 114                     # wait for ns to be in running-state
 115                     assert utils.wait_for_value(lambda: osm.get_api().ns.get_field(ns_name,'operational-status'),result='running',wait_time=300)
 116
 117             time.sleep(10)
 118
 119             assert not osm.get_api().ns.delete(ns_name)
 120
 121             #wait for the ns to delete
 122             try:
 123                 utils.wait_for_value( lambda: osm.get_api().ns.get(ns_name), result=False, wait_time=180)
 124             except:
 125                 print("Exception: Failed to get NAME after NS DELETE ... ")
 126
 127             #TODO find the reason for 502 exception from osmclient/nbi
 128             try:
 129                 assert not osm.get_api().nsd.delete(nsd_desc['name'])
 130             except:
 131                 print("Exception: NSD Delete exception ...due to 502 error")
 132                 time.sleep(10)
 133
 134         for file in vnfd_file_list:
 135             vnfd_desc = osm.get_api().package.get_key_val_from_pkg(file)
 136             assert not osm.get_api().vnfd.delete(vnfd_desc['name'])
 137
 138     @pytest.mark.openstack
 139     @pytest.mark.vnf
 140     @pytest.mark.vmware
 141     def test_vnf(self,osm, vim, openstack, vmware, cleanup_test_vnf):
 142         vnfd_file_list = osm.vnfd_descriptors_list
 143         nsd_file_list = osm.nsd_descriptors_list
 144
 145         self.vnf_upload_packages(osm, vnfd_file_list, nsd_file_list )
 146         self.vnf_test(osm,openstack, vim, vmware, vnfd_file_list, nsd_file_list)
 147
 148     @pytest.mark.openstack
 149     @pytest.mark.ns_scale
 150     @pytest.mark.vmware
 151     def test_scale_vnf(self,osm, vim, openstack, vmware, cleanup_test_vnf):
 152         vnfd_file_list = osm.vnfd_descriptors_list
 153         nsd_file_list = osm.nsd_descriptors_list
 154
 155         self.vnf_upload_packages(osm, vnfd_file_list, nsd_file_list )
 156         self.vnf_test(osm,openstack, vim, vmware, vnfd_file_list, nsd_file_list, ns_scale=True)