functest/utils/openstack_tacker.py

   1 ###########################################################################
   2 # Copyright (c) 2016 Ericsson AB and others.
   3 # Author: George Paraskevopoulos <geopar@intracom-telecom.com>
   4 #
   5 # Wrappers for trozet's python-tackerclient v1.0
   6 # (https://github.com/trozet/python-tackerclient)
   7 #
   8 # All rights reserved. This program and the accompanying materials
   9 # are made available under the terms of the Apache License, Version 2.0
  10 # which accompanies this distribution, and is available at
  11 # http://www.apache.org/licenses/LICENSE-2.0
  12 ##########################################################################
  13
  14
  15 from tackerclient.v1_0 import client as tackerclient
  16 import functest.utils.functest_logger as ft_logger
  17 import functest.utils.openstack_utils as os_utils
  18 import time
  19
  20 logger = ft_logger.Logger("tacker_utils").getLogger()
  21
  22
  23 def get_tacker_client(other_creds={}):
  24     sess = os_utils.get_session(other_creds)
  25     return tackerclient.Client(session=sess)
  26
  27
  28 # *********************************************
  29 #   TACKER
  30 # *********************************************
  31 def get_id_from_name(tacker_client, resource_type, resource_name):
  32     try:
  33         req_params = {'fields': 'id', 'name': resource_name}
  34         endpoint = '/{0}s'.format(resource_type)
  35         resp = tacker_client.get(endpoint, params=req_params)
  36         endpoint = endpoint.replace('-', '_')
  37         return resp[endpoint[1:]][0]['id']
  38     except Exception, e:
  39         logger.error("Error [get_id_from_name(tacker_client, "
  40                      "resource_type, resource_name)]: %s" % e)
  41         return None
  42
  43
  44 def get_vnfd_id(tacker_client, vnfd_name):
  45     return get_id_from_name(tacker_client, 'vnfd', vnfd_name)
  46
  47
  48 def get_vnf_id(tacker_client, vnf_name):
  49     return get_id_from_name(tacker_client, 'vnf', vnf_name)
  50
  51
  52 def get_sfc_id(tacker_client, sfc_name):
  53     return get_id_from_name(tacker_client, 'sfc', sfc_name)
  54
  55
  56 def get_sfc_classifier_id(tacker_client, sfc_clf_name):
  57     return get_id_from_name(tacker_client, 'sfc-classifier', sfc_clf_name)
  58
  59
  60 def list_vnfds(tacker_client, verbose=False):
  61     try:
  62         vnfds = tacker_client.list_vnfds(retrieve_all=True)
  63         if not verbose:
  64             vnfds = [vnfd['id'] for vnfd in vnfds['vnfds']]
  65         return vnfds
  66     except Exception, e:
  67         logger.error("Error [list_vnfds(tacker_client)]: %s" % e)
  68         return None
  69
  70
  71 def create_vnfd(tacker_client, tosca_file=None):
  72     try:
  73         vnfd_body = {}
  74         if tosca_file is not None:
  75             with open(tosca_file) as tosca_fd:
  76                 vnfd_body = tosca_fd.read()
  77             logger.info('VNFD template:\n{0}'.format(vnfd_body))
  78         return tacker_client.create_vnfd(
  79             body={"vnfd": {"attributes": {"vnfd": vnfd_body}}})
  80     except Exception, e:
  81         logger.error("Error [create_vnfd(tacker_client, '%s')]: %s"
  82                      % (tosca_file, e))
  83         return None
  84
  85
  86 def delete_vnfd(tacker_client, vnfd_id=None, vnfd_name=None):
  87     try:
  88         vnfd = vnfd_id
  89         if vnfd is None:
  90             if vnfd_name is None:
  91                 raise Exception('You need to provide VNFD id or VNFD name')
  92             vnfd = get_vnfd_id(tacker_client, vnfd_name)
  93         return tacker_client.delete_vnfd(vnfd)
  94     except Exception, e:
  95         logger.error("Error [delete_vnfd(tacker_client, '%s', '%s')]: %s"
  96                      % (vnfd_id, vnfd_name, e))
  97         return None
  98
  99
 100 def list_vnfs(tacker_client, verbose=False):
 101     try:
 102         vnfs = tacker_client.list_vnfs(retrieve_all=True)
 103         if not verbose:
 104             vnfs = [vnf['id'] for vnf in vnfs['vnfs']]
 105         return vnfs
 106     except Exception, e:
 107         logger.error("Error [list_vnfs(tacker_client)]: %s" % e)
 108         return None
 109
 110
 111 def create_vnf(tacker_client, vnf_name, vnfd_id=None,
 112                vnfd_name=None, param_file=None):
 113     try:
 114         vnf_body = {
 115             'vnf': {
 116                 'attributes': {},
 117                 'name': vnf_name
 118             }
 119         }
 120         if param_file is not None:
 121             params = None
 122             with open(param_file) as f:
 123                 params = f.read()
 124             vnf_body['vnf']['attributes']['param_values'] = params
 125         if vnfd_id is not None:
 126             vnf_body['vnf']['vnfd_id'] = vnfd_id
 127         else:
 128             if vnfd_name is None:
 129                 raise Exception('vnfd id or vnfd name is required')
 130             vnf_body['vnf']['vnfd_id'] = get_vnfd_id(tacker_client, vnfd_name)
 131         return tacker_client.create_vnf(body=vnf_body)
 132     except Exception, e:
 133         logger.error("error [create_vnf(tacker_client,"
 134                      " '%s', '%s', '%s')]: %s"
 135                      % (vnf_name, vnfd_id, vnfd_name, e))
 136         return None
 137
 138
 139 def wait_for_vnf(tacker_client, vnf_id=None, vnf_name=None):
 140     try:
 141         _id = None
 142         if vnf_id is not None:
 143             _id = vnf_id
 144         elif vnf_name is not None:
 145             while _id is None:
 146                 try:
 147                     _id = get_vnf_id(tacker_client, vnf_name)
 148                 except:
 149                     logger.error("Bazinga")
 150         else:
 151             raise Exception('You must specify vnf_id or vnf_name')
 152         while True:
 153             vnf = [v for v in list_vnfs(tacker_client, verbose=True)['vnfs']
 154                    if v['id'] == _id]
 155             vnf = vnf[0]
 156             logger.info('Waiting for vnf {0}'.format(str(vnf)))
 157             if vnf['status'] == 'ERROR':
 158                 raise Exception('Error when booting vnf %s' % _id)
 159             elif vnf['status'] == 'PENDING_CREATE':
 160                 time.sleep(3)
 161                 continue
 162             else:
 163                 break
 164         return _id
 165     except Exception, e:
 166         logger.error("error [wait_for_vnf(tacker_client, '%s', '%s')]: %s"
 167                      % (vnf_id, vnf_name, e))
 168         return None
 169
 170
 171 def delete_vnf(tacker_client, vnf_id=None, vnf_name=None):
 172     try:
 173         vnf = vnf_id
 174         if vnf is None:
 175             if vnf_name is None:
 176                 raise Exception('You need to provide a VNF id or name')
 177             vnf = get_vnf_id(tacker_client, vnf_name)
 178         return tacker_client.delete_vnf(vnf)
 179     except Exception, e:
 180         logger.error("Error [delete_vnf(tacker_client, '%s', '%s')]: %s"
 181                      % (vnf_id, vnf_name, e))
 182         return None
 183
 184
 185 def list_sfcs(tacker_client, verbose=False):
 186     try:
 187         sfcs = tacker_client.list_sfcs(retrieve_all=True)
 188         if not verbose:
 189             sfcs = [sfc['id'] for sfc in sfcs['sfcs']]
 190         return sfcs
 191     except Exception, e:
 192         logger.error("Error [list_sfcs(tacker_client)]: %s" % e)
 193         return None
 194
 195
 196 def create_sfc(tacker_client, sfc_name,
 197                chain_vnf_ids=None,
 198                chain_vnf_names=None):
 199     try:
 200         sfc_body = {
 201             'sfc': {
 202                 'attributes': {},
 203                 'name': sfc_name,
 204                 'chain': []
 205             }
 206         }
 207         if chain_vnf_ids is not None:
 208             sfc_body['sfc']['chain'] = chain_vnf_ids
 209         else:
 210             if chain_vnf_names is None:
 211                 raise Exception('You need to provide a chain of VNFs')
 212             sfc_body['sfc']['chain'] = [get_vnf_id(tacker_client, name)
 213                                         for name in chain_vnf_names]
 214         return tacker_client.create_sfc(body=sfc_body)
 215     except Exception, e:
 216         logger.error("error [create_sfc(tacker_client,"
 217                      " '%s', '%s', '%s')]: %s"
 218                      % (sfc_name, chain_vnf_ids, chain_vnf_names, e))
 219         return None
 220
 221
 222 def delete_sfc(tacker_client, sfc_id=None, sfc_name=None):
 223     try:
 224         sfc = sfc_id
 225         if sfc is None:
 226             if sfc_name is None:
 227                 raise Exception('You need to provide an SFC id or name')
 228             sfc = get_sfc_id(tacker_client, sfc_name)
 229         return tacker_client.delete_sfc(sfc)
 230     except Exception, e:
 231         logger.error("Error [delete_sfc(tacker_client, '%s', '%s')]: %s"
 232                      % (sfc_id, sfc_name, e))
 233         return None
 234
 235
 236 def list_sfc_classifiers(tacker_client, verbose=False):
 237     try:
 238         sfc_clfs = tacker_client.list_sfc_classifiers(retrieve_all=True)
 239         if not verbose:
 240             sfc_clfs = [sfc_clf['id']
 241                         for sfc_clf in sfc_clfs['sfc_classifiers']]
 242         return sfc_clfs
 243     except Exception, e:
 244         logger.error("Error [list_sfc_classifiers(tacker_client)]: %s" % e)
 245         return None
 246
 247
 248 def create_sfc_classifier(tacker_client, sfc_clf_name, sfc_id=None,
 249                           sfc_name=None, match={}):
 250     # Example match:
 251     # match: {
 252     #     "source_port": "0",
 253     #     "protocol": "6",
 254     #     "dest_port": "80"
 255     # }
 256     try:
 257         sfc_clf_body = {
 258             'sfc_classifier': {
 259                 'attributes': {},
 260                 'name': sfc_clf_name,
 261                 'match': match,
 262                 'chain': ''
 263             }
 264         }
 265         if sfc_id is not None:
 266             sfc_clf_body['sfc_classifier']['chain'] = sfc_id
 267         else:
 268             if sfc_name is None:
 269                 raise Exception('You need to provide an SFC id or name')
 270             sfc_clf_body['sfc_classifier']['chain'] = get_sfc_id(
 271                 tacker_client, sfc_name)
 272         return tacker_client.create_sfc_classifier(body=sfc_clf_body)
 273     except Exception, e:
 274         logger.error("error [create_sfc_classifier(tacker_client,"
 275                      " '%s', '%s','%s', '%s')]: '%s'"
 276                      % (sfc_clf_name, sfc_id, sfc_name, str(match), e))
 277         return None
 278
 279
 280 def delete_sfc_classifier(tacker_client,
 281                           sfc_clf_id=None,
 282                           sfc_clf_name=None):
 283     try:
 284         sfc_clf = sfc_clf_id
 285         if sfc_clf is None:
 286             if sfc_clf_name is None:
 287                 raise Exception('You need to provide an SFC'
 288                                 'classifier id or name')
 289             sfc_clf = get_sfc_classifier_id(tacker_client, sfc_clf_name)
 290         return tacker_client.delete_sfc_classifier(sfc_clf)
 291     except Exception, e:
 292         logger.error("Error [delete_sfc_classifier(tacker_client, '%s', "
 293                      "'%s')]: %s" % (sfc_clf_id, sfc_clf_name, e))
 294         return None