instancehandler/views.py

   1 #
   2 #   Copyright 2018 CNIT - Consorzio Nazionale Interuniversitario per le Telecomunicazioni
   3 #
   4 #   Licensed under the Apache License, Version 2.0 (the "License");
   5 #   you may not use this file except in compliance with the License.
   6 #   You may obtain a copy of the License at
   7 #
   8 #       http://www.apache.org/licenses/LICENSE-2.0
   9 #
  10 #   Unless required by applicable law or agreed to in writing, software
  11 #   distributed under the License is distributed on an  BASIS,
  12 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 #   See the License for the specific language governing permissions and
  14 #   limitations under the License.
  15 #
  16
  17 from django.shortcuts import render, redirect
  18 #from django.contrib.auth.decorators import login_required
  19 from django.http import HttpResponse, JsonResponse
  20 import yaml
  21 import json
  22 import logging
  23 from lib.osm.osmclient.clientv2 import Client
  24 from lib.osm.osm_rdcl_parser import OsmParser
  25 import authosm.utils as osmutils
  26 from sf_t3d.decorators import login_required
  27
  28 logging.basicConfig(level=logging.DEBUG)
  29 log = logging.getLogger('instancehandler/view.py')
  30
  31
  32 @login_required
  33 def list(request, type=None):
  34     user = osmutils.get_user(request)
  35     project_id = user.project_id
  36     client = Client()
  37     result = {'type': type, 'project_id': project_id}
  38     if "OSM_ERROR" in request.session:
  39         result['alert_error'] = request.session["OSM_ERROR"]
  40         del request.session["OSM_ERROR"]
  41     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
  42     if 'application/json' not in raw_content_types:
  43         return __response_handler(request, result, 'instance_list.html')
  44     instance_list = None
  45     if type == 'ns':
  46         instance_list = client.ns_list(user.get_token())
  47     elif type == 'vnf':
  48         instance_list = client.vnf_list(user.get_token())
  49     elif type == 'pdu':
  50         instance_list = client.pdu_list(user.get_token())
  51
  52     result['instances'] = instance_list['data'] if instance_list and instance_list['error'] is False else []
  53
  54     return __response_handler(request, result, 'instance_list.html')
  55
  56 @login_required
  57 def create(request, type=None):
  58     result = {}
  59     user = osmutils.get_user(request)
  60     client = Client()
  61     if type == 'ns':
  62         try:
  63
  64             ns_data = {
  65                 "nsName": request.POST.get('nsName', 'WithoutName'),
  66                 "nsDescription": request.POST.get('nsDescription', ''),
  67                 "nsdId": request.POST.get('nsdId', ''),
  68                 "vimAccountId": request.POST.get('vimAccountId', ''),
  69             }
  70             if 'ssh_key' in request.POST and request.POST.get('ssh_key') != '':
  71                 ns_data["ssh_keys"] = [request.POST.get('ssh_key')]
  72
  73             if 'config' in request.POST:
  74                 ns_config = yaml.load(request.POST.get('config'))
  75                 if isinstance(ns_config, dict):
  76                     if "vim-network-name" in ns_config:
  77                         ns_config["vld"] = ns_config.pop("vim-network-name")
  78                     if "vld" in ns_config:
  79                         print ns_config
  80                         for vld in ns_config["vld"]:
  81                             if vld.get("vim-network-name"):
  82                                 if isinstance(vld["vim-network-name"], dict):
  83                                     vim_network_name_dict = {}
  84                                     for vim_account, vim_net in vld["vim-network-name"].items():
  85                                         vim_network_name_dict[ns_data["vimAccountId"]] = vim_net
  86                                     vld["vim-network-name"] = vim_network_name_dict
  87                         ns_data["vld"] = ns_config["vld"]
  88                     if "vnf" in ns_config:
  89                         for vnf in ns_config["vnf"]:
  90                             if vnf.get("vim_account"):
  91                                 vnf["vimAccountId"] = ns_data["vimAccountId"]
  92
  93                         ns_data["vnf"] = ns_config["vnf"]
  94         except Exception as e:
  95             request.session["OSM_ERROR"] = "Error creating the NS; Invalid parameters provided."
  96             return __response_handler(request, {}, 'instances:list', to_redirect=True, type='ns', )
  97         result = client.ns_create(user.get_token(), ns_data)
  98         return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns')
  99     elif type == 'pdu':
 100         interface_param_name = request.POST.getlist('interfaces_name')
 101         interface_param_ip = request.POST.getlist('interfaces_ip')
 102         interface_param_mgmt = request.POST.getlist('interfaces_mgmt')
 103         interface_param_netname = request.POST.getlist('interfaces_vimnetname')
 104
 105         pdu_payload = {
 106             "name": request.POST.get('name'),
 107             "type": request.POST.get('pdu_type'),
 108             "vim_accounts": request.POST.getlist('pdu_vim_accounts'),
 109             "description": request.POST.get('description'),
 110             "interfaces": []
 111         }
 112         for i in (0,len(interface_param_name)-1):
 113             pdu_payload['interfaces'].append({
 114                 'name': interface_param_name[i],
 115                 'mgmt': True if interface_param_mgmt[i] == 'true' else False,
 116                 'ip-address': interface_param_ip[i],
 117                 'vim-network-name': interface_param_netname[i]
 118             })
 119         result = client.pdu_create(user.get_token(), pdu_payload)
 120         if result['error']:
 121             return __response_handler(request, result['data'], url=None,
 122                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 123         else:
 124             return __response_handler(request, {}, url=None, status=200)
 125
 126 @login_required
 127 def ns_operations(request, instance_id=None, type=None):
 128     user = osmutils.get_user(request)
 129     project_id = user.project_id
 130
 131     result = {'type': 'ns', 'project_id': project_id, 'instance_id': instance_id}
 132     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 133     if 'application/json' not in raw_content_types:
 134         return __response_handler(request, result, 'instance_operations_list.html')
 135     client = Client()
 136     op_list = client.ns_op_list(user.get_token(), instance_id)
 137     result['operations'] = op_list['data'] if op_list and op_list['error'] is False else []
 138
 139     return __response_handler(request, result, 'instance_operations_list.html')
 140
 141 @login_required
 142 def ns_operation(request, op_id, instance_id=None, type=None):
 143     user = osmutils.get_user(request)
 144     client = Client()
 145     result = client.ns_op(user.get_token(), op_id)
 146     return __response_handler(request, result['data'])
 147
 148
 149 @login_required
 150 def action(request, instance_id=None, type=None):
 151     user = osmutils.get_user(request)
 152     client = Client()
 153     # result = client.ns_action(instance_id, action_payload)
 154     primitive_param_keys = request.POST.getlist('primitive_params_name')
 155     primitive_param_value = request.POST.getlist('primitive_params_value')
 156     action_payload = {
 157         "vnf_member_index": request.POST.get('vnf_member_index'),
 158         "primitive": request.POST.get('primitive'),
 159         "primitive_params": {k: v for k, v in zip(primitive_param_keys, primitive_param_value) if len(k) > 0}
 160     }
 161
 162     result = client.ns_action(user.get_token(), instance_id, action_payload)
 163     print result
 164     if result['error']:
 165         return __response_handler(request, result['data'], url=None,
 166                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 167
 168     else:
 169         return __response_handler(request, {}, url=None, status=200)
 170
 171
 172 @login_required
 173 def delete(request, instance_id=None, type=None):
 174     force = bool(request.GET.get('force', False))
 175     result = {}
 176     user = osmutils.get_user(request)
 177     client = Client()
 178     if type == 'ns':
 179         result = client.ns_delete(user.get_token(), instance_id, force)
 180     elif type == 'pdu':
 181         result = client.pdu_delete(user.get_token(), instance_id)
 182     print result
 183     return __response_handler(request, result, 'instances:list', to_redirect=True, type='ns')
 184
 185 @login_required
 186 def show_topology(request, instance_id=None, type=None):
 187     user = osmutils.get_user(request)
 188     project_id = user.project_id
 189     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 190     if 'application/json' in raw_content_types:
 191         client = Client()
 192         nsr_object = {'nsr': {}, 'vnfr': {}, 'vnfd': {}}
 193         if type == 'ns':
 194
 195             nsr_resp = client.ns_get(user.get_token(), instance_id)
 196             nsr_object['nsr'] = nsr_resp['data']
 197             if 'constituent-vnfr-ref' in nsr_object['nsr'] :
 198                 for vnfr_id in nsr_object['nsr']['constituent-vnfr-ref']:
 199                     vnfr_resp = client.vnf_get(user.get_token(), vnfr_id)
 200                     vnfr = vnfr_resp['data']
 201                     nsr_object['vnfr'][vnfr['id']] = vnfr
 202                     if vnfr['vnfd-id'] not in nsr_object['vnfd']:
 203                         vnfd_resp = client.vnfd_get(user.get_token(), vnfr['vnfd-id'])
 204                         nsr_object['vnfd'][vnfr['vnfd-id']] = vnfd_resp['vnfd:vnfd-catalog']['vnfd'][0]
 205
 206         test = OsmParser()
 207
 208         result = test.nsr_to_graph(nsr_object)
 209         return __response_handler(request, result)
 210     else:
 211         result = {'type': type, 'project_id': project_id, 'instance_id': instance_id}
 212         return __response_handler(request, result, 'instance_topology_view.html')
 213
 214
 215 @login_required
 216 def show(request, instance_id=None, type=None):
 217     # result = {}
 218     user = osmutils.get_user(request)
 219     project_id = user.project_id
 220     client = Client()
 221     if type == 'ns':
 222         result = client.ns_get(user.get_token(), instance_id)
 223     elif type == 'vnf':
 224         result = client.vnf_get(user.get_token(), instance_id)
 225     elif type == 'pdu':
 226         result = client.pdu_get(user.get_token(), instance_id)
 227     print result
 228     return __response_handler(request, result)
 229
 230
 231 @login_required
 232 def export_metric(request, instance_id=None, type=None):
 233     metric_data = request.POST.dict()
 234     user = osmutils.get_user(request)
 235     project_id = user.project_id
 236     client = Client()
 237     keys = ["collection_period",
 238             "vnf_member_index",
 239             "metric_name",
 240             "correlation_id",
 241             "vdu_name",
 242             "collection_unit"]
 243     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 244
 245     result = client.ns_metric_export(user.get_token(), instance_id, metric_data)
 246
 247     if result['error']:
 248         print result
 249         return __response_handler(request, result['data'], url=None,
 250                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 251     else:
 252         return __response_handler(request, {}, url=None, status=200)
 253
 254
 255 @login_required
 256 def create_alarm(request, instance_id=None, type=None):
 257     metric_data = request.POST.dict()
 258     print metric_data
 259     user = osmutils.get_user(request)
 260     project_id = user.project_id
 261     client = Client()
 262
 263     keys = ["threshold_value",
 264             "vnf_member_index",
 265             "metric_name",
 266             "vdu_name",
 267             "alarm_name",
 268             "correlation_id",
 269             "statistic",
 270             "operation",
 271             "severity"]
 272     metric_data = dict(filter(lambda i: i[0] in keys and len(i[1]) > 0, metric_data.items()))
 273
 274     result = client.ns_alarm_create(user.get_token(), instance_id, metric_data)
 275     if result['error']:
 276         print result
 277         return __response_handler(request, result['data'], url=None,
 278                                   status=result['data']['status'] if 'status' in result['data'] else 500)
 279     else:
 280         return __response_handler(request, {}, url=None, status=200)
 281
 282
 283 def __response_handler(request, data_res, url=None, to_redirect=None, *args, **kwargs):
 284     raw_content_types = request.META.get('HTTP_ACCEPT', '*/*').split(',')
 285     if not to_redirect and ('application/json' in raw_content_types or url is None):
 286         return HttpResponse(json.dumps(data_res), content_type="application/json", *args, **kwargs)
 287     elif to_redirect:
 288         return redirect(url, *args, **kwargs)
 289     else:
 290         return render(request, url, data_res)