osm_ro/vimconn_openvim.py

   1 # -*- coding: utf-8 -*-
   2
   3 ##
   4 # Copyright 2015 Telefonica Investigacion y Desarrollo, S.A.U.
   5 # This file is part of openmano
   6 # All Rights Reserved.
   7 #
   8 # Licensed under the Apache License, Version 2.0 (the "License"); you may
   9 # not use this file except in compliance with the License. You may obtain
  10 # a copy of the License at
  11 #
  12 #         http://www.apache.org/licenses/LICENSE-2.0
  13 #
  14 # Unless required by applicable law or agreed to in writing, software
  15 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
  16 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
  17 # License for the specific language governing permissions and limitations
  18 # under the License.
  19 #
  20 # For those usages not covered by the Apache License, Version 2.0 please
  21 # contact with: nfvlabs@tid.es
  22 ##
  23
  24 '''
  25 vimconnector implements all the methods to interact with openvim using the openvim API.
  26 '''
  27 __author__="Alfonso Tierno, Gerardo Garcia"
  28 __date__ ="$26-aug-2014 11:09:29$"
  29
  30 import vimconn
  31 import requests
  32 import json
  33 import yaml
  34 import logging
  35 import math
  36 from openmano_schemas import id_schema, name_schema, nameshort_schema, description_schema, \
  37                             vlan1000_schema, integer0_schema
  38 from jsonschema import validate as js_v, exceptions as js_e
  39 from urllib import quote
  40
  41 '''contain the openvim virtual machine status to openmano status'''
  42 vmStatus2manoFormat={'ACTIVE':'ACTIVE',
  43                      'PAUSED':'PAUSED',
  44                      'SUSPENDED': 'SUSPENDED',
  45                      'INACTIVE':'INACTIVE',
  46                      'CREATING':'BUILD',
  47                      'ERROR':'ERROR','DELETED':'DELETED'
  48                      }
  49 netStatus2manoFormat={'ACTIVE':'ACTIVE','INACTIVE':'INACTIVE','BUILD':'BUILD','ERROR':'ERROR','DELETED':'DELETED', 'DOWN':'DOWN'
  50                      }
  51
  52
  53 host_schema = {
  54     "type":"object",
  55     "properties":{
  56         "id": id_schema,
  57         "name": name_schema,
  58     },
  59     "required": ["id"]
  60 }
  61 image_schema = {
  62     "type":"object",
  63     "properties":{
  64         "id": id_schema,
  65         "name": name_schema,
  66     },
  67     "required": ["id","name"]
  68 }
  69 server_schema = {
  70     "type":"object",
  71     "properties":{
  72         "id":id_schema,
  73         "name": name_schema,
  74     },
  75     "required": ["id","name"]
  76 }
  77 new_host_response_schema = {
  78     "title":"host response information schema",
  79     "$schema": "http://json-schema.org/draft-04/schema#",
  80     "type":"object",
  81     "properties":{
  82         "host": host_schema
  83     },
  84     "required": ["host"],
  85     "additionalProperties": False
  86 }
  87
  88 get_images_response_schema = {
  89     "title":"openvim images response information schema",
  90     "$schema": "http://json-schema.org/draft-04/schema#",
  91     "type":"object",
  92     "properties":{
  93         "images":{
  94             "type":"array",
  95             "items": image_schema,
  96         }
  97     },
  98     "required": ["images"],
  99     "additionalProperties": False
 100 }
 101
 102 get_hosts_response_schema = {
 103     "title":"openvim hosts response information schema",
 104     "$schema": "http://json-schema.org/draft-04/schema#",
 105     "type":"object",
 106     "properties":{
 107         "hosts":{
 108             "type":"array",
 109             "items": host_schema,
 110         }
 111     },
 112     "required": ["hosts"],
 113     "additionalProperties": False
 114 }
 115
 116 get_host_detail_response_schema = new_host_response_schema # TODO: Content is not parsed yet
 117
 118 get_server_response_schema = {
 119     "title":"openvim server response information schema",
 120     "$schema": "http://json-schema.org/draft-04/schema#",
 121     "type":"object",
 122     "properties":{
 123         "servers":{
 124             "type":"array",
 125             "items": server_schema,
 126         }
 127     },
 128     "required": ["servers"],
 129     "additionalProperties": False
 130 }
 131
 132 new_tenant_response_schema = {
 133     "title":"tenant response information schema",
 134     "$schema": "http://json-schema.org/draft-04/schema#",
 135     "type":"object",
 136     "properties":{
 137         "tenant":{
 138             "type":"object",
 139             "properties":{
 140                 "id": id_schema,
 141                 "name": nameshort_schema,
 142                 "description":description_schema,
 143                 "enabled":{"type" : "boolean"}
 144             },
 145             "required": ["id"]
 146         }
 147     },
 148     "required": ["tenant"],
 149     "additionalProperties": False
 150 }
 151
 152 new_network_response_schema = {
 153     "title":"network response information schema",
 154     "$schema": "http://json-schema.org/draft-04/schema#",
 155     "type":"object",
 156     "properties":{
 157         "network":{
 158             "type":"object",
 159             "properties":{
 160                 "id":id_schema,
 161                 "name":name_schema,
 162                 "type":{"type":"string", "enum":["bridge_man","bridge_data","data", "ptp"]},
 163                 "shared":{"type":"boolean"},
 164                 "tenant_id":id_schema,
 165                 "admin_state_up":{"type":"boolean"},
 166                 "vlan":vlan1000_schema
 167             },
 168             "required": ["id"]
 169         }
 170     },
 171     "required": ["network"],
 172     "additionalProperties": False
 173 }
 174
 175
 176 # get_network_response_schema = {
 177 #     "title":"get network response information schema",
 178 #     "$schema": "http://json-schema.org/draft-04/schema#",
 179 #     "type":"object",
 180 #     "properties":{
 181 #         "network":{
 182 #             "type":"object",
 183 #             "properties":{
 184 #                 "id":id_schema,
 185 #                 "name":name_schema,
 186 #                 "type":{"type":"string", "enum":["bridge_man","bridge_data","data", "ptp"]},
 187 #                 "shared":{"type":"boolean"},
 188 #                 "tenant_id":id_schema,
 189 #                 "admin_state_up":{"type":"boolean"},
 190 #                 "vlan":vlan1000_schema
 191 #             },
 192 #             "required": ["id"]
 193 #         }
 194 #     },
 195 #     "required": ["network"],
 196 #     "additionalProperties": False
 197 # }
 198
 199
 200 new_port_response_schema = {
 201     "title":"port response information schema",
 202     "$schema": "http://json-schema.org/draft-04/schema#",
 203     "type":"object",
 204     "properties":{
 205         "port":{
 206             "type":"object",
 207             "properties":{
 208                 "id":id_schema,
 209             },
 210             "required": ["id"]
 211         }
 212     },
 213     "required": ["port"],
 214     "additionalProperties": False
 215 }
 216
 217 get_flavor_response_schema = {
 218     "title":"openvim flavors response information schema",
 219     "$schema": "http://json-schema.org/draft-04/schema#",
 220     "type":"object",
 221     "properties":{
 222         "flavor":{
 223             "type":"object",
 224             "properties":{
 225                 "id":   id_schema,
 226                 "name": name_schema,
 227                 "extended": {"type":"object"},
 228             },
 229             "required": ["id", "name"],
 230         }
 231     },
 232     "required": ["flavor"],
 233     "additionalProperties": False
 234 }
 235
 236 new_flavor_response_schema = {
 237     "title":"flavor response information schema",
 238     "$schema": "http://json-schema.org/draft-04/schema#",
 239     "type":"object",
 240     "properties":{
 241         "flavor":{
 242             "type":"object",
 243             "properties":{
 244                 "id":id_schema,
 245             },
 246             "required": ["id"]
 247         }
 248     },
 249     "required": ["flavor"],
 250     "additionalProperties": False
 251 }
 252
 253 get_image_response_schema = {
 254     "title":"openvim images response information schema",
 255     "$schema": "http://json-schema.org/draft-04/schema#",
 256     "type":"object",
 257     "properties":{
 258         "image":{
 259             "type":"object",
 260             "properties":{
 261                 "id":   id_schema,
 262                 "name": name_schema,
 263             },
 264             "required": ["id", "name"],
 265         }
 266     },
 267     "required": ["flavor"],
 268     "additionalProperties": False
 269 }
 270 new_image_response_schema = {
 271     "title":"image response information schema",
 272     "$schema": "http://json-schema.org/draft-04/schema#",
 273     "type":"object",
 274     "properties":{
 275         "image":{
 276             "type":"object",
 277             "properties":{
 278                 "id":id_schema,
 279             },
 280             "required": ["id"]
 281         }
 282     },
 283     "required": ["image"],
 284     "additionalProperties": False
 285 }
 286
 287 new_vminstance_response_schema = {
 288     "title":"server response information schema",
 289     "$schema": "http://json-schema.org/draft-04/schema#",
 290     "type":"object",
 291     "properties":{
 292         "server":{
 293             "type":"object",
 294             "properties":{
 295                 "id":id_schema,
 296             },
 297             "required": ["id"]
 298         }
 299     },
 300     "required": ["server"],
 301     "additionalProperties": False
 302 }
 303
 304 get_processor_rankings_response_schema = {
 305     "title":"processor rankings information schema",
 306     "$schema": "http://json-schema.org/draft-04/schema#",
 307     "type":"object",
 308     "properties":{
 309         "rankings":{
 310             "type":"array",
 311             "items":{
 312                 "type":"object",
 313                 "properties":{
 314                     "model": description_schema,
 315                     "value": integer0_schema
 316                 },
 317                 "additionalProperties": False,
 318                 "required": ["model","value"]
 319             }
 320         },
 321         "additionalProperties": False,
 322         "required": ["rankings"]
 323     }
 324 }
 325
 326 class vimconnector(vimconn.vimconnector):
 327     def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None,
 328                  log_level="DEBUG", config={}, persistent_info={}):
 329         vimconn.vimconnector.__init__(self, uuid, name, tenant_id, tenant_name, url, url_admin, user, passwd, log_level, config)
 330         self.tenant = None
 331         self.headers_req = {'content-type': 'application/json'}
 332         self.logger = logging.getLogger('openmano.vim.openvim')
 333         self.persistent_info = persistent_info
 334         if tenant_id:
 335             self.tenant = tenant_id
 336
 337     def __setitem__(self,index, value):
 338         '''Set individuals parameters
 339         Throw TypeError, KeyError
 340         '''
 341         if index=='tenant_id':
 342             self.tenant = value
 343         elif index=='tenant_name':
 344             self.tenant = None
 345         vimconn.vimconnector.__setitem__(self,index, value)
 346
 347     def _get_my_tenant(self):
 348         '''Obtain uuid of my tenant from name
 349         '''
 350         if self.tenant:
 351             return self.tenant
 352
 353         url = self.url+'/tenants?name='+ quote(self.tenant_name)
 354         self.logger.info("Getting VIM tenant_id GET %s", url)
 355         vim_response = requests.get(url, headers = self.headers_req)
 356         self._check_http_request_response(vim_response)
 357         try:
 358             tenant_list = vim_response.json()["tenants"]
 359             if len(tenant_list) == 0:
 360                 raise vimconn.vimconnNotFoundException("No tenant found for name '%s'" % str(self.tenant_name))
 361             elif len(tenant_list) > 1:
 362                 raise vimconn.vimconnConflictException ("More that one tenant found for name '%s'" % str(self.tenant_name))
 363             self.tenant = tenant_list[0]["id"]
 364             return self.tenant
 365         except Exception as e:
 366             raise vimconn.vimconnUnexpectedResponse("Get VIM tenant {} '{}'".format(type(e).__name__, str(e)))
 367
 368     def _format_jsonerror(self,http_response):
 369         #DEPRECATED, to delete in the future
 370         try:
 371             data = http_response.json()
 372             return data["error"]["description"]
 373         except:
 374             return http_response.text
 375
 376     def _format_in(self, http_response, schema):
 377         #DEPRECATED, to delete in the future
 378         try:
 379             client_data = http_response.json()
 380             js_v(client_data, schema)
 381             #print "Input data: ", str(client_data)
 382             return True, client_data
 383         except js_e.ValidationError as exc:
 384             print "validate_in error, jsonschema exception ", exc.message, "at", exc.path
 385             return False, ("validate_in error, jsonschema exception ", exc.message, "at", exc.path)
 386
 387     def _remove_extra_items(self, data, schema):
 388         deleted=[]
 389         if type(data) is tuple or type(data) is list:
 390             for d in data:
 391                 a= self._remove_extra_items(d, schema['items'])
 392                 if a is not None: deleted.append(a)
 393         elif type(data) is dict:
 394             for k in data.keys():
 395                 if 'properties' not in schema or k not in schema['properties'].keys():
 396                     del data[k]
 397                     deleted.append(k)
 398                 else:
 399                     a = self._remove_extra_items(data[k], schema['properties'][k])
 400                     if a is not None:  deleted.append({k:a})
 401         if len(deleted) == 0: return None
 402         elif len(deleted) == 1: return deleted[0]
 403         else: return deleted
 404
 405     def _format_request_exception(self, request_exception):
 406         '''Transform a request exception into a vimconn exception'''
 407         if isinstance(request_exception, js_e.ValidationError):
 408             raise vimconn.vimconnUnexpectedResponse("jsonschema exception '{}' at '{}'".format(request_exception.message, request_exception.path))
 409         elif isinstance(request_exception, requests.exceptions.HTTPError):
 410             raise vimconn.vimconnUnexpectedResponse(type(request_exception).__name__ + ": " + str(request_exception))
 411         else:
 412             raise vimconn.vimconnConnectionException(type(request_exception).__name__ + ": " + str(request_exception))
 413
 414     def _check_http_request_response(self, request_response):
 415         '''Raise a vimconn exception if the response is not Ok'''
 416         if request_response.status_code >= 200 and  request_response.status_code < 300:
 417             return
 418         if request_response.status_code == vimconn.HTTP_Unauthorized:
 419             raise vimconn.vimconnAuthException(request_response.text)
 420         elif request_response.status_code == vimconn.HTTP_Not_Found:
 421             raise vimconn.vimconnNotFoundException(request_response.text)
 422         elif request_response.status_code == vimconn.HTTP_Conflict:
 423             raise vimconn.vimconnConflictException(request_response.text)
 424         else:
 425             raise vimconn.vimconnUnexpectedResponse("VIM HTTP_response {}, {}".format(request_response.status_code, str(request_response.text)))
 426
 427     def new_tenant(self,tenant_name,tenant_description):
 428         '''Adds a new tenant to VIM with this name and description, returns the tenant identifier'''
 429         #print "VIMConnector: Adding a new tenant to VIM"
 430         payload_dict = {"tenant": {"name":tenant_name,"description": tenant_description, "enabled": True}}
 431         payload_req = json.dumps(payload_dict)
 432         try:
 433             url = self.url_admin+'/tenants'
 434             self.logger.info("Adding a new tenant %s", url)
 435             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 436             self._check_http_request_response(vim_response)
 437             self.logger.debug(vim_response.text)
 438             #print json.dumps(vim_response.json(), indent=4)
 439             response = vim_response.json()
 440             js_v(response, new_tenant_response_schema)
 441             #r = self._remove_extra_items(response, new_tenant_response_schema)
 442             #if r is not None:
 443             #    self.logger.warn("Warning: remove extra items %s", str(r))
 444             tenant_id = response['tenant']['id']
 445             return tenant_id
 446         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 447             self._format_request_exception(e)
 448
 449     def delete_tenant(self,tenant_id):
 450         '''Delete a tenant from VIM. Returns the old tenant identifier'''
 451         try:
 452             url = self.url_admin+'/tenants/'+tenant_id
 453             self.logger.info("Delete a tenant DELETE %s", url)
 454             vim_response = requests.delete(url, headers = self.headers_req)
 455             self._check_http_request_response(vim_response)
 456             self.logger.debug(vim_response.text)
 457             #print json.dumps(vim_response.json(), indent=4)
 458             return tenant_id
 459         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 460             self._format_request_exception(e)
 461
 462     def get_tenant_list(self, filter_dict={}):
 463         '''Obtain tenants of VIM
 464         filter_dict can contain the following keys:
 465             name: filter by tenant name
 466             id: filter by tenant uuid/id
 467             <other VIM specific>
 468         Returns the tenant list of dictionaries: [{'name':'<name>, 'id':'<id>, ...}, ...]
 469         '''
 470         filterquery=[]
 471         filterquery_text=''
 472         for k,v in filter_dict.iteritems():
 473             filterquery.append(str(k)+'='+str(v))
 474         if len(filterquery)>0:
 475             filterquery_text='?'+ '&'.join(filterquery)
 476         try:
 477             url = self.url+'/tenants'+filterquery_text
 478             self.logger.info("get_tenant_list GET %s", url)
 479             vim_response = requests.get(url, headers = self.headers_req)
 480             self._check_http_request_response(vim_response)
 481             self.logger.debug(vim_response.text)
 482             #print json.dumps(vim_response.json(), indent=4)
 483             return vim_response.json()["tenants"]
 484         except requests.exceptions.RequestException as e:
 485             self._format_request_exception(e)
 486
 487     def new_network(self,net_name, net_type, ip_profile=None, shared=False, vlan=None): #, **vim_specific):
 488         '''Adds a tenant network to VIM'''
 489         '''Returns the network identifier'''
 490         try:
 491             self._get_my_tenant()
 492             if net_type=="bridge":
 493                 net_type="bridge_data"
 494             payload_req = {"name": net_name, "type": net_type, "tenant_id": self.tenant, "shared": shared}
 495             if vlan:
 496                 payload_req["provider:vlan"] = vlan
 497             # payload_req.update(vim_specific)
 498             url = self.url+'/networks'
 499             self.logger.info("Adding a new network POST: %s  DATA: %s", url, str(payload_req))
 500             vim_response = requests.post(url, headers = self.headers_req, data=json.dumps({"network": payload_req}) )
 501             self._check_http_request_response(vim_response)
 502             self.logger.debug(vim_response.text)
 503             #print json.dumps(vim_response.json(), indent=4)
 504             response = vim_response.json()
 505             js_v(response, new_network_response_schema)
 506             #r = self._remove_extra_items(response, new_network_response_schema)
 507             #if r is not None:
 508             #    self.logger.warn("Warning: remove extra items %s", str(r))
 509             network_id = response['network']['id']
 510             return network_id
 511         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 512             self._format_request_exception(e)
 513
 514     def get_network_list(self, filter_dict={}):
 515         '''Obtain tenant networks of VIM
 516         Filter_dict can be:
 517             name: network name
 518             id: network uuid
 519             public: boolean
 520             tenant_id: tenant
 521             admin_state_up: boolean
 522             status: 'ACTIVE'
 523         Returns the network list of dictionaries
 524         '''
 525         try:
 526             if 'tenant_id' not in filter_dict:
 527                 filter_dict["tenant_id"] = self._get_my_tenant()
 528             elif not filter_dict["tenant_id"]:
 529                 del filter_dict["tenant_id"]
 530             filterquery=[]
 531             filterquery_text=''
 532             for k,v in filter_dict.iteritems():
 533                 filterquery.append(str(k)+'='+str(v))
 534             if len(filterquery)>0:
 535                 filterquery_text='?'+ '&'.join(filterquery)
 536             url = self.url+'/networks'+filterquery_text
 537             self.logger.info("Getting network list GET %s", url)
 538             vim_response = requests.get(url, headers = self.headers_req)
 539             self._check_http_request_response(vim_response)
 540             self.logger.debug(vim_response.text)
 541             #print json.dumps(vim_response.json(), indent=4)
 542             response = vim_response.json()
 543             return response['networks']
 544         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 545             self._format_request_exception(e)
 546
 547     def get_network(self, net_id):
 548         '''Obtain network details of network id'''
 549         try:
 550             url = self.url+'/networks/'+net_id
 551             self.logger.info("Getting network GET %s", url)
 552             vim_response = requests.get(url, headers = self.headers_req)
 553             self._check_http_request_response(vim_response)
 554             self.logger.debug(vim_response.text)
 555             #print json.dumps(vim_response.json(), indent=4)
 556             response = vim_response.json()
 557             return response['network']
 558         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 559             self._format_request_exception(e)
 560
 561     def delete_network(self, net_id):
 562         '''Deletes a tenant network from VIM'''
 563         '''Returns the network identifier'''
 564         try:
 565             self._get_my_tenant()
 566             url = self.url+'/networks/'+net_id
 567             self.logger.info("Deleting VIM network DELETE %s", url)
 568             vim_response = requests.delete(url, headers=self.headers_req)
 569             self._check_http_request_response(vim_response)
 570             #self.logger.debug(vim_response.text)
 571             #print json.dumps(vim_response.json(), indent=4)
 572             return net_id
 573         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 574             self._format_request_exception(e)
 575
 576     def get_flavor(self, flavor_id):
 577         '''Obtain flavor details from the  VIM'''
 578         try:
 579             self._get_my_tenant()
 580             url = self.url+'/'+self.tenant+'/flavors/'+flavor_id
 581             self.logger.info("Getting flavor GET %s", url)
 582             vim_response = requests.get(url, headers = self.headers_req)
 583             self._check_http_request_response(vim_response)
 584             self.logger.debug(vim_response.text)
 585             #print json.dumps(vim_response.json(), indent=4)
 586             response = vim_response.json()
 587             js_v(response, get_flavor_response_schema)
 588             r = self._remove_extra_items(response, get_flavor_response_schema)
 589             if r is not None:
 590                 self.logger.warn("Warning: remove extra items %s", str(r))
 591             return response['flavor']
 592         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 593             self._format_request_exception(e)
 594
 595     def new_flavor(self, flavor_data):
 596         '''Adds a tenant flavor to VIM'''
 597         '''Returns the flavor identifier'''
 598         try:
 599             new_flavor_dict = flavor_data.copy()
 600             for device in new_flavor_dict.get('extended', {}).get('devices', ()):
 601                 if 'image name' in device:
 602                     del device['image name']
 603                 if 'name' in device:
 604                     del device['name']
 605             numas = new_flavor_dict.get('extended', {}).get('numas')
 606             if numas:
 607                 numa = numas[0]
 608                 # translate memory, cpus to EPA
 609                 if "cores" not in numa and "threads" not in numa and "paired-threads" not in numa:
 610                     numa["paired-threads"] = new_flavor_dict["vcpus"]
 611                 if "memory" not in numa:
 612                     numa["memory"] = int(math.ceil(new_flavor_dict["ram"]/1024.0))
 613                 for iface in numa.get("interfaces", ()):
 614                     if not iface.get("bandwidth"):
 615                         iface["bandwidth"] = "1 Mbps"
 616
 617             new_flavor_dict["name"] = flavor_data["name"][:64]
 618             self._get_my_tenant()
 619             payload_req = json.dumps({'flavor': new_flavor_dict})
 620             url = self.url+'/'+self.tenant+'/flavors'
 621             self.logger.info("Adding a new VIM flavor POST %s", url)
 622             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 623             self._check_http_request_response(vim_response)
 624             self.logger.debug(vim_response.text)
 625             #print json.dumps(vim_response.json(), indent=4)
 626             response = vim_response.json()
 627             js_v(response, new_flavor_response_schema)
 628             r = self._remove_extra_items(response, new_flavor_response_schema)
 629             if r is not None:
 630                 self.logger.warn("Warning: remove extra items %s", str(r))
 631             flavor_id = response['flavor']['id']
 632             return flavor_id
 633         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 634             self._format_request_exception(e)
 635
 636     def delete_flavor(self,flavor_id):
 637         '''Deletes a tenant flavor from VIM'''
 638         '''Returns the old flavor_id'''
 639         try:
 640             self._get_my_tenant()
 641             url = self.url+'/'+self.tenant+'/flavors/'+flavor_id
 642             self.logger.info("Deleting VIM flavor DELETE %s", url)
 643             vim_response = requests.delete(url, headers=self.headers_req)
 644             self._check_http_request_response(vim_response)
 645             #self.logger.debug(vim_response.text)
 646             #print json.dumps(vim_response.json(), indent=4)
 647             return flavor_id
 648         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 649             self._format_request_exception(e)
 650
 651     def get_image(self, image_id):
 652         '''Obtain image details from the  VIM'''
 653         try:
 654             self._get_my_tenant()
 655             url = self.url+'/'+self.tenant+'/images/'+image_id
 656             self.logger.info("Getting image GET %s", url)
 657             vim_response = requests.get(url, headers = self.headers_req)
 658             self._check_http_request_response(vim_response)
 659             self.logger.debug(vim_response.text)
 660             #print json.dumps(vim_response.json(), indent=4)
 661             response = vim_response.json()
 662             js_v(response, get_image_response_schema)
 663             r = self._remove_extra_items(response, get_image_response_schema)
 664             if r is not None:
 665                 self.logger.warn("Warning: remove extra items %s", str(r))
 666             return response['image']
 667         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 668             self._format_request_exception(e)
 669
 670     def new_image(self,image_dict):
 671         ''' Adds a tenant image to VIM, returns image_id'''
 672         try:
 673             self._get_my_tenant()
 674             new_image_dict={'name': image_dict['name'][:64]}
 675             if image_dict.get('description'):
 676                 new_image_dict['description'] = image_dict['description']
 677             if image_dict.get('metadata'):
 678                 new_image_dict['metadata'] = yaml.load(image_dict['metadata'])
 679             if image_dict.get('location'):
 680                 new_image_dict['path'] = image_dict['location']
 681             payload_req = json.dumps({"image":new_image_dict})
 682             url=self.url + '/' + self.tenant + '/images'
 683             self.logger.info("Adding a new VIM image POST %s", url)
 684             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 685             self._check_http_request_response(vim_response)
 686             self.logger.debug(vim_response.text)
 687             #print json.dumps(vim_response.json(), indent=4)
 688             response = vim_response.json()
 689             js_v(response, new_image_response_schema)
 690             r = self._remove_extra_items(response, new_image_response_schema)
 691             if r is not None:
 692                 self.logger.warn("Warning: remove extra items %s", str(r))
 693             image_id = response['image']['id']
 694             return image_id
 695         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 696             self._format_request_exception(e)
 697
 698     def delete_image(self, image_id):
 699         '''Deletes a tenant image from VIM'''
 700         '''Returns the deleted image_id'''
 701         try:
 702             self._get_my_tenant()
 703             url = self.url + '/'+ self.tenant +'/images/'+image_id
 704             self.logger.info("Deleting VIM image DELETE %s", url)
 705             vim_response = requests.delete(url, headers=self.headers_req)
 706             self._check_http_request_response(vim_response)
 707             #self.logger.debug(vim_response.text)
 708             #print json.dumps(vim_response.json(), indent=4)
 709             return image_id
 710         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 711             self._format_request_exception(e)
 712
 713     def get_image_id_from_path(self, path):
 714         '''Get the image id from image path in the VIM database. Returns the image_id'''
 715         try:
 716             self._get_my_tenant()
 717             url=self.url + '/' + self.tenant + '/images?path='+quote(path)
 718             self.logger.info("Getting images GET %s", url)
 719             vim_response = requests.get(url)
 720             self._check_http_request_response(vim_response)
 721             self.logger.debug(vim_response.text)
 722             #print json.dumps(vim_response.json(), indent=4)
 723             response = vim_response.json()
 724             js_v(response, get_images_response_schema)
 725             #r = self._remove_extra_items(response, get_images_response_schema)
 726             #if r is not None:
 727             #    self.logger.warn("Warning: remove extra items %s", str(r))
 728             if len(response['images'])==0:
 729                 raise vimconn.vimconnNotFoundException("Image not found at VIM with path '%s'", path)
 730             elif len(response['images'])>1:
 731                 raise vimconn.vimconnConflictException("More than one image found at VIM with path '%s'", path)
 732             return response['images'][0]['id']
 733         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 734             self._format_request_exception(e)
 735
 736     def get_image_list(self, filter_dict={}):
 737         '''Obtain tenant images from VIM
 738         Filter_dict can be:
 739             name: image name
 740             id: image uuid
 741             checksum: image checksum
 742             location: image path
 743         Returns the image list of dictionaries:
 744             [{<the fields at Filter_dict plus some VIM specific>}, ...]
 745             List can be empty
 746         '''
 747         try:
 748             self._get_my_tenant()
 749             filterquery=[]
 750             filterquery_text=''
 751             for k,v in filter_dict.iteritems():
 752                 filterquery.append(str(k)+'='+str(v))
 753             if len(filterquery)>0:
 754                 filterquery_text='?'+ '&'.join(filterquery)
 755             url = self.url+'/'+self.tenant+'/images'+filterquery_text
 756             self.logger.info("Getting image list GET %s", url)
 757             vim_response = requests.get(url, headers = self.headers_req)
 758             self._check_http_request_response(vim_response)
 759             self.logger.debug(vim_response.text)
 760             #print json.dumps(vim_response.json(), indent=4)
 761             response = vim_response.json()
 762             return response['images']
 763         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 764             self._format_request_exception(e)
 765
 766     def new_vminstancefromJSON(self, vm_data):
 767         '''Adds a VM instance to VIM'''
 768         '''Returns the instance identifier'''
 769         try:
 770             self._get_my_tenant()
 771         except Exception as e:
 772             return -vimconn.HTTP_Not_Found, str(e)
 773         print "VIMConnector: Adding a new VM instance from JSON to VIM"
 774         payload_req = vm_data
 775         try:
 776             vim_response = requests.post(self.url+'/'+self.tenant+'/servers', headers = self.headers_req, data=payload_req)
 777         except requests.exceptions.RequestException as e:
 778             print "new_vminstancefromJSON Exception: ", e.args
 779             return -vimconn.HTTP_Not_Found, str(e.args[0])
 780         print vim_response
 781         #print vim_response.status_code
 782         if vim_response.status_code == 200:
 783             #print vim_response.json()
 784             #print json.dumps(vim_response.json(), indent=4)
 785             res,http_content = self._format_in(vim_response, new_image_response_schema)
 786             #print http_content
 787             if res:
 788                 r = self._remove_extra_items(http_content, new_image_response_schema)
 789                 if r is not None: print "Warning: remove extra items ", r
 790                 #print http_content
 791                 vminstance_id = http_content['server']['id']
 792                 print "Tenant image id: ",vminstance_id
 793                 return vim_response.status_code,vminstance_id
 794             else: return -vimconn.HTTP_Bad_Request,http_content
 795         else:
 796             #print vim_response.text
 797             jsonerror = self._format_jsonerror(vim_response)
 798             text = 'Error in VIM "%s": not possible to add new vm instance. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
 799             #print text
 800             return -vim_response.status_code,text
 801
 802     def new_vminstance(self, name, description, start, image_id, flavor_id, net_list, cloud_config=None, disk_list=None,
 803                        availability_zone_index=None, availability_zone_list=None):
 804         """Adds a VM instance to VIM
 805         Params:
 806             start: indicates if VM must start or boot in pause mode. Ignored
 807             image_id,flavor_id: image and flavor uuid
 808             net_list: list of interfaces, each one is a dictionary with:
 809                 name:
 810                 net_id: network uuid to connect
 811                 vpci: virtual vcpi to assign
 812                 model: interface model, virtio, e1000, ...
 813                 mac_address:
 814                 use: 'data', 'bridge',  'mgmt'
 815                 type: 'virtual', 'PCI-PASSTHROUGH'('PF'), 'SR-IOV'('VF'), 'VFnotShared'
 816                 vim_id: filled/added by this function
 817                 #TODO ip, security groups
 818         Returns a tuple with the instance identifier and created_items or raises an exception on error
 819             created_items can be None or a dictionary where this method can include key-values that will be passed to
 820             the method delete_vminstance and action_vminstance. Can be used to store created ports, volumes, etc.
 821             Format is vimconnector dependent, but do not use nested dictionaries and a value of None should be the same
 822             as not present.
 823         """
 824         self.logger.debug("new_vminstance input: image='%s' flavor='%s' nics='%s'", image_id, flavor_id, str(net_list))
 825         try:
 826             self._get_my_tenant()
 827 #            net_list = []
 828 #            for k,v in net_dict.items():
 829 #                print k,v
 830 #                net_list.append('{"name":"' + k + '", "uuid":"' + v + '"}')
 831 #            net_list_string = ', '.join(net_list)
 832             virtio_net_list=[]
 833             for net in net_list:
 834                 if not net.get("net_id"):
 835                     continue
 836                 net_dict = {'uuid': net["net_id"]}
 837                 if net.get("type"):
 838                     if net["type"] == "SR-IOV":
 839                         net_dict["type"] = "VF"
 840                     elif net["type"] == "PCI-PASSTHROUGH":
 841                         net_dict["type"] = "PF"
 842                     else:
 843                         net_dict["type"] = net["type"]
 844                 if net.get("name"):
 845                     net_dict["name"] = net["name"]
 846                 if net.get("vpci"):
 847                     net_dict["vpci"] = net["vpci"]
 848                 if net.get("model"):
 849                     if net["model"] == "VIRTIO":
 850                         net_dict["model"] = "virtio"
 851                     else:
 852                         net_dict["model"] = net["model"]
 853                 if net.get("mac_address"):
 854                     net_dict["mac_address"] = net["mac_address"]
 855                 if net.get("ip_address"):
 856                     net_dict["ip_address"] = net["ip_address"]
 857                 virtio_net_list.append(net_dict)
 858             payload_dict={  "name":        name[:64],
 859                             "description": description,
 860                             "imageRef":    image_id,
 861                             "flavorRef":   flavor_id,
 862                             "networks": virtio_net_list
 863                         }
 864             if start != None:
 865                 payload_dict["start"] = start
 866             payload_req = json.dumps({"server": payload_dict})
 867             url = self.url+'/'+self.tenant+'/servers'
 868             self.logger.info("Adding a new vm POST %s DATA %s", url, payload_req)
 869             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 870             self._check_http_request_response(vim_response)
 871             self.logger.debug(vim_response.text)
 872             #print json.dumps(vim_response.json(), indent=4)
 873             response = vim_response.json()
 874             js_v(response, new_vminstance_response_schema)
 875             #r = self._remove_extra_items(response, new_vminstance_response_schema)
 876             #if r is not None:
 877             #    self.logger.warn("Warning: remove extra items %s", str(r))
 878             vminstance_id = response['server']['id']
 879
 880             #connect data plane interfaces to network
 881             for net in net_list:
 882                 if net["type"]=="virtual":
 883                     if not net.get("net_id"):
 884                         continue
 885                     for iface in response['server']['networks']:
 886                         if "name" in net:
 887                             if net["name"]==iface["name"]:
 888                                 net["vim_id"] = iface['iface_id']
 889                                 break
 890                         elif "net_id" in net:
 891                             if net["net_id"]==iface["net_id"]:
 892                                 net["vim_id"] = iface['iface_id']
 893                                 break
 894                 else: #dataplane
 895                     for numa in response['server'].get('extended',{}).get('numas',() ):
 896                         for iface in numa.get('interfaces',() ):
 897                             if net['name'] == iface['name']:
 898                                 net['vim_id'] = iface['iface_id']
 899                                 #Code bellow is not needed, current openvim connect dataplane interfaces
 900                                 #if net.get("net_id"):
 901                                 ##connect dataplane interface
 902                                 #    result, port_id = self.connect_port_network(iface['iface_id'], net["net_id"])
 903                                 #    if result < 0:
 904                                 #        error_text = "Error attaching port %s to network %s: %s." % (iface['iface_id'], net["net_id"], port_id)
 905                                 #        print "new_vminstance: " + error_text
 906                                 #        self.delete_vminstance(vminstance_id)
 907                                 #        return result, error_text
 908                                 break
 909
 910             return vminstance_id, None
 911         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 912             self._format_request_exception(e)
 913
 914     def get_vminstance(self, vm_id):
 915         '''Returns the VM instance information from VIM'''
 916         try:
 917             self._get_my_tenant()
 918             url = self.url+'/'+self.tenant+'/servers/'+vm_id
 919             self.logger.info("Getting vm GET %s", url)
 920             vim_response = requests.get(url, headers = self.headers_req)
 921             vim_response = requests.get(url, headers = self.headers_req)
 922             self._check_http_request_response(vim_response)
 923             self.logger.debug(vim_response.text)
 924             #print json.dumps(vim_response.json(), indent=4)
 925             response = vim_response.json()
 926             js_v(response, new_vminstance_response_schema)
 927             #r = self._remove_extra_items(response, new_vminstance_response_schema)
 928             #if r is not None:
 929             #    self.logger.warn("Warning: remove extra items %s", str(r))
 930             return response['server']
 931         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 932             self._format_request_exception(e)
 933
 934     def delete_vminstance(self, vm_id, created_items=None):
 935         '''Removes a VM instance from VIM, returns the deleted vm_id'''
 936         try:
 937             self._get_my_tenant()
 938             url = self.url+'/'+self.tenant+'/servers/'+vm_id
 939             self.logger.info("Deleting VIM vm DELETE %s", url)
 940             vim_response = requests.delete(url, headers=self.headers_req)
 941             self._check_http_request_response(vim_response)
 942             #self.logger.debug(vim_response.text)
 943             #print json.dumps(vim_response.json(), indent=4)
 944             return vm_id
 945         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 946             self._format_request_exception(e)
 947
 948     def refresh_vms_status(self, vm_list):
 949         '''Refreshes the status of the virtual machines'''
 950         try:
 951             self._get_my_tenant()
 952         except requests.exceptions.RequestException as e:
 953             self._format_request_exception(e)
 954         vm_dict={}
 955         for vm_id in vm_list:
 956             vm={}
 957             #print "VIMConnector refresh_tenant_vms and nets: Getting tenant VM instance information from VIM"
 958             try:
 959                 url = self.url + '/' + self.tenant + '/servers/' + vm_id
 960                 self.logger.info("Getting vm GET %s", url)
 961                 vim_response = requests.get(url, headers = self.headers_req)
 962                 self._check_http_request_response(vim_response)
 963                 response = vim_response.json()
 964                 js_v(response, new_vminstance_response_schema)
 965                 if response['server']['status'] in vmStatus2manoFormat:
 966                     vm['status'] = vmStatus2manoFormat[ response['server']['status']  ]
 967                 else:
 968                     vm['status'] = "OTHER"
 969                     vm['error_msg'] = "VIM status reported " + response['server']['status']
 970                 if response['server'].get('last_error'):
 971                     vm['error_msg'] = response['server']['last_error']
 972                 vm["vim_info"] = yaml.safe_dump(response['server'])
 973                 #get interfaces info
 974                 try:
 975                     management_ip = False
 976                     url2 = self.url + '/ports?device_id=' + quote(vm_id)
 977                     self.logger.info("Getting PORTS GET %s", url2)
 978                     vim_response2 = requests.get(url2, headers = self.headers_req)
 979                     self._check_http_request_response(vim_response2)
 980                     client_data = vim_response2.json()
 981                     if isinstance(client_data.get("ports"), list):
 982                         vm["interfaces"]=[]
 983                     for port in client_data.get("ports"):
 984                         interface={}
 985                         interface['vim_info'] = yaml.safe_dump(port)
 986                         interface["mac_address"] = port.get("mac_address")
 987                         interface["vim_net_id"] = port.get("network_id")
 988                         interface["vim_interface_id"] = port["id"]
 989                         interface["ip_address"] = port.get("ip_address")
 990                         if interface["ip_address"]:
 991                             management_ip = True
 992                         if interface["ip_address"] == "0.0.0.0":
 993                             interface["ip_address"] = None
 994                         vm["interfaces"].append(interface)
 995
 996                 except Exception as e:
 997                     self.logger.error("refresh_vms_and_nets. Port get %s: %s", type(e).__name__, str(e))
 998
 999                 if vm['status'] == "ACTIVE" and not management_ip:
1000                     vm['status'] = "ACTIVE:NoMgmtIP"
1001
1002             except vimconn.vimconnNotFoundException as e:
1003                 self.logger.error("Exception getting vm status: %s", str(e))
1004                 vm['status'] = "DELETED"
1005                 vm['error_msg'] = str(e)
1006             except (requests.exceptions.RequestException, js_e.ValidationError, vimconn.vimconnException) as e:
1007                 self.logger.error("Exception getting vm status: %s", str(e))
1008                 vm['status'] = "VIM_ERROR"
1009                 vm['error_msg'] = str(e)
1010             vm_dict[vm_id] = vm
1011         return vm_dict
1012
1013     def refresh_nets_status(self, net_list):
1014         '''Get the status of the networks
1015            Params: the list of network identifiers
1016            Returns a dictionary with:
1017                 net_id:         #VIM id of this network
1018                     status:     #Mandatory. Text with one of:
1019                                 #  DELETED (not found at vim)
1020                                 #  VIM_ERROR (Cannot connect to VIM, VIM response error, ...)
1021                                 #  OTHER (Vim reported other status not understood)
1022                                 #  ERROR (VIM indicates an ERROR status)
1023                                 #  ACTIVE, INACTIVE, DOWN (admin down),
1024                                 #  BUILD (on building process)
1025                                 #
1026                     error_msg:  #Text with VIM error message, if any. Or the VIM connection ERROR
1027                     vim_info:   #Text with plain information obtained from vim (yaml.safe_dump)
1028
1029         '''
1030         try:
1031             self._get_my_tenant()
1032         except requests.exceptions.RequestException as e:
1033             self._format_request_exception(e)
1034
1035         net_dict={}
1036         for net_id in net_list:
1037             net = {}
1038             #print "VIMConnector refresh_tenant_vms_and_nets: Getting tenant network from VIM (tenant: " + str(self.tenant) + "): "
1039             try:
1040                 net_vim = self.get_network(net_id)
1041                 if net_vim['status'] in netStatus2manoFormat:
1042                     net["status"] = netStatus2manoFormat[ net_vim['status'] ]
1043                 else:
1044                     net["status"] = "OTHER"
1045                     net["error_msg"] = "VIM status reported " + net_vim['status']
1046
1047                 if net["status"] == "ACTIVE" and not net_vim['admin_state_up']:
1048                     net["status"] = "DOWN"
1049                 if net_vim.get('last_error'):
1050                     net['error_msg'] = net_vim['last_error']
1051                 net["vim_info"] = yaml.safe_dump(net_vim)
1052             except vimconn.vimconnNotFoundException as e:
1053                 self.logger.error("Exception getting net status: %s", str(e))
1054                 net['status'] = "DELETED"
1055                 net['error_msg'] = str(e)
1056             except (requests.exceptions.RequestException, js_e.ValidationError, vimconn.vimconnException) as e:
1057                 self.logger.error("Exception getting net status: %s", str(e))
1058                 net['status'] = "VIM_ERROR"
1059                 net['error_msg'] = str(e)
1060             net_dict[net_id] = net
1061         return net_dict
1062
1063     def action_vminstance(self, vm_id, action_dict, created_items={}):
1064         '''Send and action over a VM instance from VIM'''
1065         '''Returns the status'''
1066         try:
1067             self._get_my_tenant()
1068             if "console" in action_dict:
1069                 raise vimconn.vimconnException("getting console is not available at openvim", http_code=vimconn.HTTP_Service_Unavailable)
1070             url = self.url+'/'+self.tenant+'/servers/'+vm_id+"/action"
1071             self.logger.info("Action over VM instance POST %s", url)
1072             vim_response = requests.post(url, headers = self.headers_req, data=json.dumps(action_dict) )
1073             self._check_http_request_response(vim_response)
1074             return None
1075         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
1076             self._format_request_exception(e)
1077
1078 #NOT USED METHODS in current version
1079
1080     def host_vim2gui(self, host, server_dict):
1081         '''Transform host dictionary from VIM format to GUI format,
1082         and append to the server_dict
1083         '''
1084         if type(server_dict) is not dict:
1085             print 'vimconnector.host_vim2gui() ERROR, param server_dict must be a dictionary'
1086             return
1087         RAD={}
1088         occupation={}
1089         for numa in host['host']['numas']:
1090             RAD_item={}
1091             occupation_item={}
1092             #memory
1093             RAD_item['memory']={'size': str(numa['memory'])+'GB', 'eligible': str(numa['hugepages'])+'GB'}
1094             occupation_item['memory']= str(numa['hugepages_consumed'])+'GB'
1095             #cpus
1096             RAD_item['cpus']={}
1097             RAD_item['cpus']['cores'] = []
1098             RAD_item['cpus']['eligible_cores'] = []
1099             occupation_item['cores']=[]
1100             for _ in range(0, len(numa['cores']) / 2):
1101                 RAD_item['cpus']['cores'].append( [] )
1102             for core in numa['cores']:
1103                 RAD_item['cpus']['cores'][core['core_id']].append(core['thread_id'])
1104                 if not 'status' in core: RAD_item['cpus']['eligible_cores'].append(core['thread_id'])
1105                 if 'instance_id' in core: occupation_item['cores'].append(core['thread_id'])
1106             #ports
1107             RAD_item['ports']={}
1108             occupation_item['ports']={}
1109             for iface in numa['interfaces']:
1110                 RAD_item['ports'][ iface['pci'] ] = 'speed:'+str(iface['Mbps'])+'M'
1111                 occupation_item['ports'][ iface['pci'] ] = { 'occupied': str(100*iface['Mbps_consumed'] / iface['Mbps']) + "%" }
1112
1113             RAD[ numa['numa_socket'] ] = RAD_item
1114             occupation[ numa['numa_socket'] ] = occupation_item
1115         server_dict[ host['host']['name'] ] = {'RAD':RAD, 'occupation':occupation}
1116
1117     def get_hosts_info(self):
1118         '''Get the information of deployed hosts
1119         Returns the hosts content'''
1120     #obtain hosts list
1121         url=self.url+'/hosts'
1122         try:
1123             vim_response = requests.get(url)
1124         except requests.exceptions.RequestException as e:
1125             print "get_hosts_info Exception: ", e.args
1126             return -vimconn.HTTP_Not_Found, str(e.args[0])
1127         print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
1128         #print vim_response.status_code
1129         #print json.dumps(vim_response.json(), indent=4)
1130         if vim_response.status_code != 200:
1131             #TODO: get error
1132             print 'vimconnector.get_hosts_info error getting host list %d %s' %(vim_response.status_code, vim_response.json())
1133             return -vim_response.status_code, "Error getting host list"
1134
1135         res,hosts = self._format_in(vim_response, get_hosts_response_schema)
1136
1137         if res==False:
1138             print "vimconnector.get_hosts_info error parsing GET HOSTS vim response", hosts
1139             return vimconn.HTTP_Internal_Server_Error, hosts
1140     #obtain hosts details
1141         hosts_dict={}
1142         for host in hosts['hosts']:
1143             url=self.url+'/hosts/'+host['id']
1144             try:
1145                 vim_response = requests.get(url)
1146             except requests.exceptions.RequestException as e:
1147                 print "get_hosts_info Exception: ", e.args
1148                 return -vimconn.HTTP_Not_Found, str(e.args[0])
1149             print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
1150             if vim_response.status_code != 200:
1151                 print 'vimconnector.get_hosts_info error getting detailed host %d %s' %(vim_response.status_code, vim_response.json())
1152                 continue
1153             res,host_detail = self._format_in(vim_response, get_host_detail_response_schema)
1154             if res==False:
1155                 print "vimconnector.get_hosts_info error parsing GET HOSTS/%s vim response" % host['id'], host_detail
1156                 continue
1157             #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
1158             self.host_vim2gui(host_detail, hosts_dict)
1159         return 200, hosts_dict
1160
1161     def get_hosts(self, vim_tenant):
1162         '''Get the hosts and deployed instances
1163         Returns the hosts content'''
1164     #obtain hosts list
1165         url=self.url+'/hosts'
1166         try:
1167             vim_response = requests.get(url)
1168         except requests.exceptions.RequestException as e:
1169             print "get_hosts Exception: ", e.args
1170             return -vimconn.HTTP_Not_Found, str(e.args[0])
1171         print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
1172         #print vim_response.status_code
1173         #print json.dumps(vim_response.json(), indent=4)
1174         if vim_response.status_code != 200:
1175             #TODO: get error
1176             print 'vimconnector.get_hosts error getting host list %d %s' %(vim_response.status_code, vim_response.json())
1177             return -vim_response.status_code, "Error getting host list"
1178
1179         res,hosts = self._format_in(vim_response, get_hosts_response_schema)
1180
1181         if res==False:
1182             print "vimconnector.get_host error parsing GET HOSTS vim response", hosts
1183             return vimconn.HTTP_Internal_Server_Error, hosts
1184     #obtain instances from hosts
1185         for host in hosts['hosts']:
1186             url=self.url+'/' + vim_tenant + '/servers?hostId='+host['id']
1187             try:
1188                 vim_response = requests.get(url)
1189             except requests.exceptions.RequestException as e:
1190                 print "get_hosts Exception: ", e.args
1191                 return -vimconn.HTTP_Not_Found, str(e.args[0])
1192             print "vim get", url, "response:",  vim_response.status_code, vim_response.json()
1193             if vim_response.status_code != 200:
1194                 print 'vimconnector.get_hosts error getting instances at host %d %s' %(vim_response.status_code, vim_response.json())
1195                 continue
1196             res,servers = self._format_in(vim_response, get_server_response_schema)
1197             if res==False:
1198                 print "vimconnector.get_host error parsing GET SERVERS/%s vim response" % host['id'], servers
1199                 continue
1200             #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
1201             host['instances'] = servers['servers']
1202         return 200, hosts['hosts']
1203
1204     def get_processor_rankings(self):
1205         '''Get the processor rankings in the VIM database'''
1206         url=self.url+'/processor_ranking'
1207         try:
1208             vim_response = requests.get(url)
1209         except requests.exceptions.RequestException as e:
1210             print "get_processor_rankings Exception: ", e.args
1211             return -vimconn.HTTP_Not_Found, str(e.args[0])
1212         print "vim get", url, "response:", vim_response.status_code, vim_response.json()
1213         #print vim_response.status_code
1214         #print json.dumps(vim_response.json(), indent=4)
1215         if vim_response.status_code != 200:
1216             #TODO: get error
1217             print 'vimconnector.get_processor_rankings error getting processor rankings %d %s' %(vim_response.status_code, vim_response.json())
1218             return -vim_response.status_code, "Error getting processor rankings"
1219
1220         res,rankings = self._format_in(vim_response, get_processor_rankings_response_schema)
1221         return res, rankings['rankings']
1222
1223     def new_host(self, host_data):
1224         '''Adds a new host to VIM'''
1225         '''Returns status code of the VIM response'''
1226         payload_req = host_data
1227         try:
1228             url = self.url_admin+'/hosts'
1229             self.logger.info("Adding a new host POST %s", url)
1230             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
1231             self._check_http_request_response(vim_response)
1232             self.logger.debug(vim_response.text)
1233             #print json.dumps(vim_response.json(), indent=4)
1234             response = vim_response.json()
1235             js_v(response, new_host_response_schema)
1236             r = self._remove_extra_items(response, new_host_response_schema)
1237             if r is not None:
1238                 self.logger.warn("Warning: remove extra items %s", str(r))
1239             host_id = response['host']['id']
1240             return host_id
1241         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
1242             self._format_request_exception(e)
1243
1244     def new_external_port(self, port_data):
1245         '''Adds a external port to VIM'''
1246         '''Returns the port identifier'''
1247         #TODO change to logging exception code policies
1248         print "VIMConnector: Adding a new external port"
1249         payload_req = port_data
1250         try:
1251             vim_response = requests.post(self.url_admin+'/ports', headers = self.headers_req, data=payload_req)
1252         except requests.exceptions.RequestException as e:
1253             self.logger.error("new_external_port Exception: ", str(e))
1254             return -vimconn.HTTP_Not_Found, str(e.args[0])
1255         print vim_response
1256         #print vim_response.status_code
1257         if vim_response.status_code == 200:
1258         #print vim_response.json()
1259         #print json.dumps(vim_response.json(), indent=4)
1260             res, http_content = self._format_in(vim_response, new_port_response_schema)
1261         #print http_content
1262             if res:
1263                 r = self._remove_extra_items(http_content, new_port_response_schema)
1264                 if r is not None: print "Warning: remove extra items ", r
1265                 #print http_content
1266                 port_id = http_content['port']['id']
1267                 print "Port id: ",port_id
1268                 return vim_response.status_code,port_id
1269             else: return -vimconn.HTTP_Bad_Request,http_content
1270         else:
1271             #print vim_response.text
1272             jsonerror = self._format_jsonerror(vim_response)
1273             text = 'Error in VIM "%s": not possible to add new external port. HTTP Response: %d. Error: %s' % (self.url_admin, vim_response.status_code, jsonerror)
1274             #print text
1275             return -vim_response.status_code,text
1276
1277     def new_external_network(self,net_name,net_type):
1278         '''Adds a external network to VIM (shared)'''
1279         '''Returns the network identifier'''
1280         #TODO change to logging exception code policies
1281         print "VIMConnector: Adding external shared network to VIM (type " + net_type + "): "+ net_name
1282
1283         payload_req = '{"network":{"name": "' + net_name + '","shared":true,"type": "' + net_type + '"}}'
1284         try:
1285             vim_response = requests.post(self.url+'/networks', headers = self.headers_req, data=payload_req)
1286         except requests.exceptions.RequestException as e:
1287             self.logger.error( "new_external_network Exception: ", e.args)
1288             return -vimconn.HTTP_Not_Found, str(e.args[0])
1289         print vim_response
1290         #print vim_response.status_code
1291         if vim_response.status_code == 200:
1292             #print vim_response.json()
1293             #print json.dumps(vim_response.json(), indent=4)
1294             res,http_content = self._format_in(vim_response, new_network_response_schema)
1295             #print http_content
1296             if res:
1297                 r = self._remove_extra_items(http_content, new_network_response_schema)
1298                 if r is not None: print "Warning: remove extra items ", r
1299                 #print http_content
1300                 network_id = http_content['network']['id']
1301                 print "Network id: ",network_id
1302                 return vim_response.status_code,network_id
1303             else: return -vimconn.HTTP_Bad_Request,http_content
1304         else:
1305             #print vim_response.text
1306             jsonerror = self._format_jsonerror(vim_response)
1307             text = 'Error in VIM "%s": not possible to add new external network. HTTP Response: %d. Error: %s' % (self.url, vim_response.status_code, jsonerror)
1308             #print text
1309             return -vim_response.status_code,text
1310
1311     def connect_port_network(self, port_id, network_id, admin=False):
1312         '''Connects a external port to a network'''
1313         '''Returns status code of the VIM response'''
1314         #TODO change to logging exception code policies
1315         print "VIMConnector: Connecting external port to network"
1316
1317         payload_req = '{"port":{"network_id":"' + network_id + '"}}'
1318         if admin:
1319             if self.url_admin==None:
1320                 return -vimconn.HTTP_Unauthorized, "datacenter cannot contain  admin URL"
1321             url= self.url_admin
1322         else:
1323             url= self.url
1324         try:
1325             vim_response = requests.put(url +'/ports/'+port_id, headers = self.headers_req, data=payload_req)
1326         except requests.exceptions.RequestException as e:
1327             print "connect_port_network Exception: ", e.args
1328             return -vimconn.HTTP_Not_Found, str(e.args[0])
1329         print vim_response
1330         #print vim_response.status_code
1331         if vim_response.status_code == 200:
1332             #print vim_response.json()
1333             #print json.dumps(vim_response.json(), indent=4)
1334             res,http_content = self._format_in(vim_response, new_port_response_schema)
1335             #print http_content
1336             if res:
1337                 r = self._remove_extra_items(http_content, new_port_response_schema)
1338                 if r is not None: print "Warning: remove extra items ", r
1339                 #print http_content
1340                 port_id = http_content['port']['id']
1341                 print "Port id: ",port_id
1342                 return vim_response.status_code,port_id
1343             else: return -vimconn.HTTP_Bad_Request,http_content
1344         else:
1345             print vim_response.text
1346             jsonerror = self._format_jsonerror(vim_response)
1347             text = 'Error in VIM "%s": not possible to connect external port to network. HTTP Response: %d. Error: %s' % (self.url_admin, vim_response.status_code, jsonerror)
1348             print text
1349             return -vim_response.status_code,text
1350
1351