RO-VIM-openvim/osm_rovim_openvim/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 from osm_ro import vimconn
  31 import requests
  32 import json
  33 import yaml
  34 import logging
  35 import math
  36 from osm_ro.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.parse 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
 327 class vimconnector(vimconn.vimconnector):
 328     def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None,
 329                  log_level="DEBUG", config={}, persistent_info={}):
 330         vimconn.vimconnector.__init__(self, uuid, name, tenant_id, tenant_name, url, url_admin, user, passwd, log_level, config)
 331         self.tenant = None
 332         self.headers_req = {'content-type': 'application/json'}
 333         self.logger = logging.getLogger('openmano.vim.openvim')
 334         self.persistent_info = persistent_info
 335         if tenant_id:
 336             self.tenant = tenant_id
 337
 338     def __setitem__(self,index, value):
 339         '''Set individuals parameters
 340         Throw TypeError, KeyError
 341         '''
 342         if index=='tenant_id':
 343             self.tenant = value
 344         elif index=='tenant_name':
 345             self.tenant = None
 346         vimconn.vimconnector.__setitem__(self,index, value)
 347
 348     def _get_my_tenant(self):
 349         '''Obtain uuid of my tenant from name
 350         '''
 351         if self.tenant:
 352             return self.tenant
 353
 354         url = self.url+'/tenants?name='+ quote(self.tenant_name)
 355         self.logger.info("Getting VIM tenant_id GET %s", url)
 356         vim_response = requests.get(url, headers = self.headers_req)
 357         self._check_http_request_response(vim_response)
 358         try:
 359             tenant_list = vim_response.json()["tenants"]
 360             if len(tenant_list) == 0:
 361                 raise vimconn.vimconnNotFoundException("No tenant found for name '{}'".format(self.tenant_name))
 362             elif len(tenant_list) > 1:
 363                 raise vimconn.vimconnConflictException ("More that one tenant found for name '{}'".format(self.tenant_name))
 364             self.tenant = tenant_list[0]["id"]
 365             return self.tenant
 366         except Exception as e:
 367             raise vimconn.vimconnUnexpectedResponse("Get VIM tenant {} '{}'".format(type(e).__name__, str(e)))
 368
 369     def _format_jsonerror(self,http_response):
 370         #DEPRECATED, to delete in the future
 371         try:
 372             data = http_response.json()
 373             return data["error"]["description"]
 374         except:
 375             return http_response.text
 376
 377     def _format_in(self, http_response, schema):
 378         #DEPRECATED, to delete in the future
 379         try:
 380             client_data = http_response.json()
 381             js_v(client_data, schema)
 382             #print "Input data: ", str(client_data)
 383             return True, client_data
 384         except js_e.ValidationError as exc:
 385             print("validate_in error, jsonschema exception ", exc.message, "at", exc.path)
 386             return False, ("validate_in error, jsonschema exception ", exc.message, "at", exc.path)
 387
 388     def _remove_extra_items(self, data, schema):
 389         deleted=[]
 390         if type(data) is tuple or type(data) is list:
 391             for d in data:
 392                 a= self._remove_extra_items(d, schema['items'])
 393                 if a is not None: deleted.append(a)
 394         elif type(data) is dict:
 395             to_delete = []
 396             for k in data.keys():
 397                 if 'properties' not in schema or k not in schema['properties'].keys():
 398                     to_delete.append(k)
 399                     deleted.append(k)
 400                 else:
 401                     a = self._remove_extra_items(data[k], schema['properties'][k])
 402                     if a is not None:  deleted.append({k:a})
 403             for k in to_delete:
 404                 del data[k]
 405         if len(deleted) == 0: return None
 406         elif len(deleted) == 1: return deleted[0]
 407         else: return deleted
 408
 409     def _format_request_exception(self, request_exception):
 410         '''Transform a request exception into a vimconn exception'''
 411         if isinstance(request_exception, js_e.ValidationError):
 412             raise vimconn.vimconnUnexpectedResponse("jsonschema exception '{}' at '{}'".format(request_exception.message, request_exception.path))
 413         elif isinstance(request_exception, requests.exceptions.HTTPError):
 414             raise vimconn.vimconnUnexpectedResponse(type(request_exception).__name__ + ": " + str(request_exception))
 415         else:
 416             raise vimconn.vimconnConnectionException(type(request_exception).__name__ + ": " + str(request_exception))
 417
 418     def _check_http_request_response(self, request_response):
 419         '''Raise a vimconn exception if the response is not Ok'''
 420         if request_response.status_code >= 200 and  request_response.status_code < 300:
 421             return
 422         if request_response.status_code == vimconn.HTTP_Unauthorized:
 423             raise vimconn.vimconnAuthException(request_response.text)
 424         elif request_response.status_code == vimconn.HTTP_Not_Found:
 425             raise vimconn.vimconnNotFoundException(request_response.text)
 426         elif request_response.status_code == vimconn.HTTP_Conflict:
 427             raise vimconn.vimconnConflictException(request_response.text)
 428         else:
 429             raise vimconn.vimconnUnexpectedResponse("VIM HTTP_response {}, {}".format(request_response.status_code, str(request_response.text)))
 430
 431     def new_tenant(self,tenant_name,tenant_description):
 432         '''Adds a new tenant to VIM with this name and description, returns the tenant identifier'''
 433         #print "VIMConnector: Adding a new tenant to VIM"
 434         payload_dict = {"tenant": {"name":tenant_name,"description": tenant_description, "enabled": True}}
 435         payload_req = json.dumps(payload_dict)
 436         try:
 437             url = self.url_admin+'/tenants'
 438             self.logger.info("Adding a new tenant %s", url)
 439             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 440             self._check_http_request_response(vim_response)
 441             self.logger.debug(vim_response.text)
 442             #print json.dumps(vim_response.json(), indent=4)
 443             response = vim_response.json()
 444             js_v(response, new_tenant_response_schema)
 445             #r = self._remove_extra_items(response, new_tenant_response_schema)
 446             #if r is not None:
 447             #    self.logger.warn("Warning: remove extra items %s", str(r))
 448             tenant_id = response['tenant']['id']
 449             return tenant_id
 450         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 451             self._format_request_exception(e)
 452
 453     def delete_tenant(self,tenant_id):
 454         '''Delete a tenant from VIM. Returns the old tenant identifier'''
 455         try:
 456             url = self.url_admin+'/tenants/'+tenant_id
 457             self.logger.info("Delete a tenant DELETE %s", url)
 458             vim_response = requests.delete(url, headers = self.headers_req)
 459             self._check_http_request_response(vim_response)
 460             self.logger.debug(vim_response.text)
 461             #print json.dumps(vim_response.json(), indent=4)
 462             return tenant_id
 463         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 464             self._format_request_exception(e)
 465
 466     def get_tenant_list(self, filter_dict={}):
 467         '''Obtain tenants of VIM
 468         filter_dict can contain the following keys:
 469             name: filter by tenant name
 470             id: filter by tenant uuid/id
 471             <other VIM specific>
 472         Returns the tenant list of dictionaries: [{'name':'<name>, 'id':'<id>, ...}, ...]
 473         '''
 474         filterquery=[]
 475         filterquery_text=''
 476         for k,v in filter_dict.items():
 477             filterquery.append(str(k)+'='+str(v))
 478         if len(filterquery)>0:
 479             filterquery_text='?'+ '&'.join(filterquery)
 480         try:
 481             url = self.url+'/tenants'+filterquery_text
 482             self.logger.info("get_tenant_list GET %s", url)
 483             vim_response = requests.get(url, headers = self.headers_req)
 484             self._check_http_request_response(vim_response)
 485             self.logger.debug(vim_response.text)
 486             #print json.dumps(vim_response.json(), indent=4)
 487             return vim_response.json()["tenants"]
 488         except requests.exceptions.RequestException as e:
 489             self._format_request_exception(e)
 490
 491     def new_network(self,net_name, net_type, ip_profile=None, shared=False, vlan=None): #, **vim_specific):
 492         """Adds a tenant network to VIM
 493         Params:
 494             'net_name': name of the network
 495             'net_type': one of:
 496                 'bridge': overlay isolated network
 497                 'data':   underlay E-LAN network for Passthrough and SRIOV interfaces
 498                 'ptp':    underlay E-LINE network for Passthrough and SRIOV interfaces.
 499             'ip_profile': is a dict containing the IP parameters of the network
 500                 'ip_version': can be "IPv4" or "IPv6" (Currently only IPv4 is implemented)
 501                 'subnet_address': ip_prefix_schema, that is X.X.X.X/Y
 502                 'gateway_address': (Optional) ip_schema, that is X.X.X.X
 503                 'dns_address': (Optional) comma separated list of ip_schema, e.g. X.X.X.X[,X,X,X,X]
 504                 'dhcp_enabled': True or False
 505                 'dhcp_start_address': ip_schema, first IP to grant
 506                 'dhcp_count': number of IPs to grant.
 507             'shared': if this network can be seen/use by other tenants/organization
 508             'vlan': in case of a data or ptp net_type, the intended vlan tag to be used for the network
 509         Returns a tuple with the network identifier and created_items, or raises an exception on error
 510             created_items can be None or a dictionary where this method can include key-values that will be passed to
 511             the method delete_network. Can be used to store created segments, created l2gw connections, etc.
 512             Format is vimconnector dependent, but do not use nested dictionaries and a value of None should be the same
 513             as not present.
 514         """
 515         try:
 516             created_items = {}
 517             self._get_my_tenant()
 518             if net_type=="bridge":
 519                 net_type="bridge_data"
 520             payload_req = {"name": net_name, "type": net_type, "tenant_id": self.tenant, "shared": shared}
 521             if vlan:
 522                 payload_req["provider:vlan"] = vlan
 523             # payload_req.update(vim_specific)
 524             url = self.url+'/networks'
 525             self.logger.info("Adding a new network POST: %s  DATA: %s", url, str(payload_req))
 526             vim_response = requests.post(url, headers = self.headers_req, data=json.dumps({"network": payload_req}) )
 527             self._check_http_request_response(vim_response)
 528             self.logger.debug(vim_response.text)
 529             #print json.dumps(vim_response.json(), indent=4)
 530             response = vim_response.json()
 531             js_v(response, new_network_response_schema)
 532             #r = self._remove_extra_items(response, new_network_response_schema)
 533             #if r is not None:
 534             #    self.logger.warn("Warning: remove extra items %s", str(r))
 535             network_id = response['network']['id']
 536             return network_id, created_items
 537         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 538             self._format_request_exception(e)
 539
 540     def get_network_list(self, filter_dict={}):
 541         '''Obtain tenant networks of VIM
 542         Filter_dict can be:
 543             name: network name
 544             id: network uuid
 545             public: boolean
 546             tenant_id: tenant
 547             admin_state_up: boolean
 548             status: 'ACTIVE'
 549         Returns the network list of dictionaries
 550         '''
 551         try:
 552             if 'tenant_id' not in filter_dict:
 553                 filter_dict["tenant_id"] = self._get_my_tenant()
 554             elif not filter_dict["tenant_id"]:
 555                 del filter_dict["tenant_id"]
 556             filterquery=[]
 557             filterquery_text=''
 558             for k,v in filter_dict.items():
 559                 filterquery.append(str(k)+'='+str(v))
 560             if len(filterquery)>0:
 561                 filterquery_text='?'+ '&'.join(filterquery)
 562             url = self.url+'/networks'+filterquery_text
 563             self.logger.info("Getting network list GET %s", url)
 564             vim_response = requests.get(url, headers = self.headers_req)
 565             self._check_http_request_response(vim_response)
 566             self.logger.debug(vim_response.text)
 567             #print json.dumps(vim_response.json(), indent=4)
 568             response = vim_response.json()
 569             return response['networks']
 570         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 571             self._format_request_exception(e)
 572
 573     def get_network(self, net_id):
 574         '''Obtain network details of network id'''
 575         try:
 576             url = self.url+'/networks/'+net_id
 577             self.logger.info("Getting network GET %s", url)
 578             vim_response = requests.get(url, headers = self.headers_req)
 579             self._check_http_request_response(vim_response)
 580             self.logger.debug(vim_response.text)
 581             #print json.dumps(vim_response.json(), indent=4)
 582             response = vim_response.json()
 583             return response['network']
 584         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 585             self._format_request_exception(e)
 586
 587     def delete_network(self, net_id, created_items=None):
 588         """
 589         Removes a tenant network from VIM and its associated elements
 590         :param net_id: VIM identifier of the network, provided by method new_network
 591         :param created_items: dictionary with extra items to be deleted. provided by method new_network
 592         Returns the network identifier or raises an exception upon error or when network is not found
 593         """
 594         try:
 595             self._get_my_tenant()
 596             url = self.url+'/networks/'+net_id
 597             self.logger.info("Deleting VIM network DELETE %s", url)
 598             vim_response = requests.delete(url, headers=self.headers_req)
 599             self._check_http_request_response(vim_response)
 600             #self.logger.debug(vim_response.text)
 601             #print json.dumps(vim_response.json(), indent=4)
 602             return net_id
 603         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 604             self._format_request_exception(e)
 605
 606     def get_flavor(self, flavor_id):
 607         '''Obtain flavor details from the  VIM'''
 608         try:
 609             self._get_my_tenant()
 610             url = self.url+'/'+self.tenant+'/flavors/'+flavor_id
 611             self.logger.info("Getting flavor GET %s", url)
 612             vim_response = requests.get(url, headers = self.headers_req)
 613             self._check_http_request_response(vim_response)
 614             self.logger.debug(vim_response.text)
 615             #print json.dumps(vim_response.json(), indent=4)
 616             response = vim_response.json()
 617             js_v(response, get_flavor_response_schema)
 618             r = self._remove_extra_items(response, get_flavor_response_schema)
 619             if r is not None:
 620                 self.logger.warn("Warning: remove extra items %s", str(r))
 621             return response['flavor']
 622         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 623             self._format_request_exception(e)
 624
 625     def new_flavor(self, flavor_data):
 626         '''Adds a tenant flavor to VIM'''
 627         '''Returns the flavor identifier'''
 628         try:
 629             new_flavor_dict = flavor_data.copy()
 630             for device in new_flavor_dict.get('extended', {}).get('devices', ()):
 631                 if 'image name' in device:
 632                     del device['image name']
 633                 if 'name' in device:
 634                     del device['name']
 635             numas = new_flavor_dict.get('extended', {}).get('numas')
 636             if numas:
 637                 numa = numas[0]
 638                 # translate memory, cpus to EPA
 639                 if "cores" not in numa and "threads" not in numa and "paired-threads" not in numa:
 640                     numa["paired-threads"] = new_flavor_dict["vcpus"]
 641                 if "memory" not in numa:
 642                     numa["memory"] = int(math.ceil(new_flavor_dict["ram"] / 1024.0))
 643                 for iface in numa.get("interfaces", ()):
 644                     if not iface.get("bandwidth"):
 645                         iface["bandwidth"] = "1 Mbps"
 646
 647             new_flavor_dict["name"] = flavor_data["name"][:64]
 648             self._get_my_tenant()
 649             payload_req = json.dumps({'flavor': new_flavor_dict})
 650             url = self.url+'/'+self.tenant+'/flavors'
 651             self.logger.info("Adding a new VIM flavor POST %s", url)
 652             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 653             self._check_http_request_response(vim_response)
 654             self.logger.debug(vim_response.text)
 655             #print json.dumps(vim_response.json(), indent=4)
 656             response = vim_response.json()
 657             js_v(response, new_flavor_response_schema)
 658             r = self._remove_extra_items(response, new_flavor_response_schema)
 659             if r is not None:
 660                 self.logger.warn("Warning: remove extra items %s", str(r))
 661             flavor_id = response['flavor']['id']
 662             return flavor_id
 663         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 664             self._format_request_exception(e)
 665
 666     def delete_flavor(self,flavor_id):
 667         '''Deletes a tenant flavor from VIM'''
 668         '''Returns the old flavor_id'''
 669         try:
 670             self._get_my_tenant()
 671             url = self.url+'/'+self.tenant+'/flavors/'+flavor_id
 672             self.logger.info("Deleting VIM flavor DELETE %s", url)
 673             vim_response = requests.delete(url, headers=self.headers_req)
 674             self._check_http_request_response(vim_response)
 675             #self.logger.debug(vim_response.text)
 676             #print json.dumps(vim_response.json(), indent=4)
 677             return flavor_id
 678         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 679             self._format_request_exception(e)
 680
 681     def get_image(self, image_id):
 682         '''Obtain image details from the  VIM'''
 683         try:
 684             self._get_my_tenant()
 685             url = self.url+'/'+self.tenant+'/images/'+image_id
 686             self.logger.info("Getting image GET %s", url)
 687             vim_response = requests.get(url, headers = self.headers_req)
 688             self._check_http_request_response(vim_response)
 689             self.logger.debug(vim_response.text)
 690             #print json.dumps(vim_response.json(), indent=4)
 691             response = vim_response.json()
 692             js_v(response, get_image_response_schema)
 693             r = self._remove_extra_items(response, get_image_response_schema)
 694             if r is not None:
 695                 self.logger.warn("Warning: remove extra items %s", str(r))
 696             return response['image']
 697         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 698             self._format_request_exception(e)
 699
 700     def new_image(self,image_dict):
 701         ''' Adds a tenant image to VIM, returns image_id'''
 702         try:
 703             self._get_my_tenant()
 704             new_image_dict={'name': image_dict['name'][:64]}
 705             if image_dict.get('description'):
 706                 new_image_dict['description'] = image_dict['description']
 707             if image_dict.get('metadata'):
 708                 new_image_dict['metadata'] = yaml.load(image_dict['metadata'], Loader=yaml.SafeLoader)
 709             if image_dict.get('location'):
 710                 new_image_dict['path'] = image_dict['location']
 711             payload_req = json.dumps({"image":new_image_dict})
 712             url=self.url + '/' + self.tenant + '/images'
 713             self.logger.info("Adding a new VIM image POST %s", url)
 714             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 715             self._check_http_request_response(vim_response)
 716             self.logger.debug(vim_response.text)
 717             #print json.dumps(vim_response.json(), indent=4)
 718             response = vim_response.json()
 719             js_v(response, new_image_response_schema)
 720             r = self._remove_extra_items(response, new_image_response_schema)
 721             if r is not None:
 722                 self.logger.warn("Warning: remove extra items %s", str(r))
 723             image_id = response['image']['id']
 724             return image_id
 725         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 726             self._format_request_exception(e)
 727
 728     def delete_image(self, image_id):
 729         '''Deletes a tenant image from VIM'''
 730         '''Returns the deleted image_id'''
 731         try:
 732             self._get_my_tenant()
 733             url = self.url + '/'+ self.tenant +'/images/'+image_id
 734             self.logger.info("Deleting VIM image DELETE %s", url)
 735             vim_response = requests.delete(url, headers=self.headers_req)
 736             self._check_http_request_response(vim_response)
 737             #self.logger.debug(vim_response.text)
 738             #print json.dumps(vim_response.json(), indent=4)
 739             return image_id
 740         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 741             self._format_request_exception(e)
 742
 743     def get_image_id_from_path(self, path):
 744         '''Get the image id from image path in the VIM database. Returns the image_id'''
 745         try:
 746             self._get_my_tenant()
 747             url=self.url + '/' + self.tenant + '/images?path='+quote(path)
 748             self.logger.info("Getting images GET %s", url)
 749             vim_response = requests.get(url)
 750             self._check_http_request_response(vim_response)
 751             self.logger.debug(vim_response.text)
 752             #print json.dumps(vim_response.json(), indent=4)
 753             response = vim_response.json()
 754             js_v(response, get_images_response_schema)
 755             #r = self._remove_extra_items(response, get_images_response_schema)
 756             #if r is not None:
 757             #    self.logger.warn("Warning: remove extra items %s", str(r))
 758             if len(response['images'])==0:
 759                 raise vimconn.vimconnNotFoundException("Image not found at VIM with path '{}'".format(path))
 760             elif len(response['images'])>1:
 761                 raise vimconn.vimconnConflictException("More than one image found at VIM with path '{}'".format(path))
 762             return response['images'][0]['id']
 763         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 764             self._format_request_exception(e)
 765
 766     def get_image_list(self, filter_dict={}):
 767         '''Obtain tenant images from VIM
 768         Filter_dict can be:
 769             name: image name
 770             id: image uuid
 771             checksum: image checksum
 772             location: image path
 773         Returns the image list of dictionaries:
 774             [{<the fields at Filter_dict plus some VIM specific>}, ...]
 775             List can be empty
 776         '''
 777         try:
 778             self._get_my_tenant()
 779             filterquery=[]
 780             filterquery_text=''
 781             for k,v in filter_dict.items():
 782                 filterquery.append(str(k)+'='+str(v))
 783             if len(filterquery)>0:
 784                 filterquery_text='?'+ '&'.join(filterquery)
 785             url = self.url+'/'+self.tenant+'/images'+filterquery_text
 786             self.logger.info("Getting image list GET %s", url)
 787             vim_response = requests.get(url, headers = self.headers_req)
 788             self._check_http_request_response(vim_response)
 789             self.logger.debug(vim_response.text)
 790             #print json.dumps(vim_response.json(), indent=4)
 791             response = vim_response.json()
 792             return response['images']
 793         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 794             self._format_request_exception(e)
 795
 796     def new_vminstancefromJSON(self, vm_data):
 797         '''Adds a VM instance to VIM'''
 798         '''Returns the instance identifier'''
 799         try:
 800             self._get_my_tenant()
 801         except Exception as e:
 802             return -vimconn.HTTP_Not_Found, str(e)
 803         print("VIMConnector: Adding a new VM instance from JSON to VIM")
 804         payload_req = vm_data
 805         try:
 806             vim_response = requests.post(self.url+'/'+self.tenant+'/servers', headers = self.headers_req, data=payload_req)
 807         except requests.exceptions.RequestException as e:
 808             print( "new_vminstancefromJSON Exception: ", e.args)
 809             return -vimconn.HTTP_Not_Found, str(e.args[0])
 810         # print vim_response
 811         #print vim_response.status_code
 812         if vim_response.status_code == 200:
 813             #print vim_response.json()
 814             #print json.dumps(vim_response.json(), indent=4)
 815             res,http_content = self._format_in(vim_response, new_image_response_schema)
 816             #print http_content
 817             if res:
 818                 r = self._remove_extra_items(http_content, new_image_response_schema)
 819                 if r is not None: print("Warning: remove extra items ", r)
 820                 #print http_content
 821                 vminstance_id = http_content['server']['id']
 822                 print( "Tenant image id: ",vminstance_id)
 823                 return vim_response.status_code,vminstance_id
 824             else: return -vimconn.HTTP_Bad_Request,http_content
 825         else:
 826             #print vim_response.text
 827             jsonerror = self._format_jsonerror(vim_response)
 828             text = 'Error in VIM "{}": not possible to add new vm instance. HTTP Response: {}. Error: {}'.format(
 829                 self.url, vim_response.status_code, jsonerror)
 830             #print text
 831             return -vim_response.status_code,text
 832
 833     def new_vminstance(self, name, description, start, image_id, flavor_id, net_list, cloud_config=None, disk_list=None,
 834                        availability_zone_index=None, availability_zone_list=None):
 835         """Adds a VM instance to VIM
 836         Params:
 837             start: indicates if VM must start or boot in pause mode. Ignored
 838             image_id,flavor_id: image and flavor uuid
 839             net_list: list of interfaces, each one is a dictionary with:
 840                 name:
 841                 net_id: network uuid to connect
 842                 vpci: virtual vcpi to assign
 843                 model: interface model, virtio, e1000, ...
 844                 mac_address:
 845                 use: 'data', 'bridge',  'mgmt'
 846                 type: 'virtual', 'PCI-PASSTHROUGH'('PF'), 'SR-IOV'('VF'), 'VFnotShared'
 847                 vim_id: filled/added by this function
 848                 #TODO ip, security groups
 849         Returns a tuple with the instance identifier and created_items or raises an exception on error
 850             created_items can be None or a dictionary where this method can include key-values that will be passed to
 851             the method delete_vminstance and action_vminstance. Can be used to store created ports, volumes, etc.
 852             Format is vimconnector dependent, but do not use nested dictionaries and a value of None should be the same
 853             as not present.
 854         """
 855         self.logger.debug("new_vminstance input: image='%s' flavor='%s' nics='%s'", image_id, flavor_id, str(net_list))
 856         try:
 857             self._get_my_tenant()
 858 #            net_list = []
 859 #            for k,v in net_dict.items():
 860 #                print k,v
 861 #                net_list.append('{"name":"' + k + '", "uuid":"' + v + '"}')
 862 #            net_list_string = ', '.join(net_list)
 863             virtio_net_list=[]
 864             for net in net_list:
 865                 if not net.get("net_id"):
 866                     continue
 867                 net_dict = {'uuid': net["net_id"]}
 868                 if net.get("type"):
 869                     if net["type"] == "SR-IOV":
 870                         net_dict["type"] = "VF"
 871                     elif net["type"] == "PCI-PASSTHROUGH":
 872                         net_dict["type"] = "PF"
 873                     else:
 874                         net_dict["type"] = net["type"]
 875                 if net.get("name"):
 876                     net_dict["name"] = net["name"]
 877                 if net.get("vpci"):
 878                     net_dict["vpci"] = net["vpci"]
 879                 if net.get("model"):
 880                     if net["model"] == "VIRTIO" or net["model"] == "paravirt":
 881                         net_dict["model"] = "virtio"
 882                     else:
 883                         net_dict["model"] = net["model"]
 884                 if net.get("mac_address"):
 885                     net_dict["mac_address"] = net["mac_address"]
 886                 if net.get("ip_address"):
 887                     net_dict["ip_address"] = net["ip_address"]
 888                 virtio_net_list.append(net_dict)
 889             payload_dict={  "name":        name[:64],
 890                             "description": description,
 891                             "imageRef":    image_id,
 892                             "flavorRef":   flavor_id,
 893                             "networks": virtio_net_list
 894                         }
 895             if start != None:
 896                 payload_dict["start"] = start
 897             payload_req = json.dumps({"server": payload_dict})
 898             url = self.url+'/'+self.tenant+'/servers'
 899             self.logger.info("Adding a new vm POST %s DATA %s", url, payload_req)
 900             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
 901             self._check_http_request_response(vim_response)
 902             self.logger.debug(vim_response.text)
 903             #print json.dumps(vim_response.json(), indent=4)
 904             response = vim_response.json()
 905             js_v(response, new_vminstance_response_schema)
 906             #r = self._remove_extra_items(response, new_vminstance_response_schema)
 907             #if r is not None:
 908             #    self.logger.warn("Warning: remove extra items %s", str(r))
 909             vminstance_id = response['server']['id']
 910
 911             #connect data plane interfaces to network
 912             for net in net_list:
 913                 if net["type"]=="virtual":
 914                     if not net.get("net_id"):
 915                         continue
 916                     for iface in response['server']['networks']:
 917                         if "name" in net:
 918                             if net["name"]==iface["name"]:
 919                                 net["vim_id"] = iface['iface_id']
 920                                 break
 921                         elif "net_id" in net:
 922                             if net["net_id"]==iface["net_id"]:
 923                                 net["vim_id"] = iface['iface_id']
 924                                 break
 925                 else: #dataplane
 926                     for numa in response['server'].get('extended',{}).get('numas',() ):
 927                         for iface in numa.get('interfaces',() ):
 928                             if net['name'] == iface['name']:
 929                                 net['vim_id'] = iface['iface_id']
 930                                 #Code bellow is not needed, current openvim connect dataplane interfaces
 931                                 #if net.get("net_id"):
 932                                 ##connect dataplane interface
 933                                 #    result, port_id = self.connect_port_network(iface['iface_id'], net["net_id"])
 934                                 #    if result < 0:
 935                                 #        error_text = "Error attaching port %s to network %s: %s." % (iface['iface_id'], net["net_id"], port_id)
 936                                 #        print "new_vminstance: " + error_text
 937                                 #        self.delete_vminstance(vminstance_id)
 938                                 #        return result, error_text
 939                                 break
 940
 941             return vminstance_id, None
 942         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 943             self._format_request_exception(e)
 944
 945     def get_vminstance(self, vm_id):
 946         '''Returns the VM instance information from VIM'''
 947         try:
 948             self._get_my_tenant()
 949             url = self.url+'/'+self.tenant+'/servers/'+vm_id
 950             self.logger.info("Getting vm GET %s", url)
 951             vim_response = requests.get(url, headers = self.headers_req)
 952             vim_response = requests.get(url, headers = self.headers_req)
 953             self._check_http_request_response(vim_response)
 954             self.logger.debug(vim_response.text)
 955             #print json.dumps(vim_response.json(), indent=4)
 956             response = vim_response.json()
 957             js_v(response, new_vminstance_response_schema)
 958             #r = self._remove_extra_items(response, new_vminstance_response_schema)
 959             #if r is not None:
 960             #    self.logger.warn("Warning: remove extra items %s", str(r))
 961             return response['server']
 962         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 963             self._format_request_exception(e)
 964
 965     def delete_vminstance(self, vm_id, created_items=None):
 966         '''Removes a VM instance from VIM, returns the deleted vm_id'''
 967         try:
 968             self._get_my_tenant()
 969             url = self.url+'/'+self.tenant+'/servers/'+vm_id
 970             self.logger.info("Deleting VIM vm DELETE %s", url)
 971             vim_response = requests.delete(url, headers=self.headers_req)
 972             self._check_http_request_response(vim_response)
 973             #self.logger.debug(vim_response.text)
 974             #print json.dumps(vim_response.json(), indent=4)
 975             return vm_id
 976         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
 977             self._format_request_exception(e)
 978
 979     def refresh_vms_status(self, vm_list):
 980         '''Refreshes the status of the virtual machines'''
 981         try:
 982             self._get_my_tenant()
 983         except requests.exceptions.RequestException as e:
 984             self._format_request_exception(e)
 985         vm_dict={}
 986         for vm_id in vm_list:
 987             vm={}
 988             #print "VIMConnector refresh_tenant_vms and nets: Getting tenant VM instance information from VIM"
 989             try:
 990                 url = self.url + '/' + self.tenant + '/servers/' + vm_id
 991                 self.logger.info("Getting vm GET %s", url)
 992                 vim_response = requests.get(url, headers = self.headers_req)
 993                 self._check_http_request_response(vim_response)
 994                 response = vim_response.json()
 995                 js_v(response, new_vminstance_response_schema)
 996                 if response['server']['status'] in vmStatus2manoFormat:
 997                     vm['status'] = vmStatus2manoFormat[ response['server']['status']  ]
 998                 else:
 999                     vm['status'] = "OTHER"
1000                     vm['error_msg'] = "VIM status reported " + response['server']['status']
1001                 if response['server'].get('last_error'):
1002                     vm['error_msg'] = response['server']['last_error']
1003                 vm["vim_info"] = yaml.safe_dump(response['server'])
1004                 #get interfaces info
1005                 try:
1006                     management_ip = False
1007                     url2 = self.url + '/ports?device_id=' + quote(vm_id)
1008                     self.logger.info("Getting PORTS GET %s", url2)
1009                     vim_response2 = requests.get(url2, headers = self.headers_req)
1010                     self._check_http_request_response(vim_response2)
1011                     client_data = vim_response2.json()
1012                     if isinstance(client_data.get("ports"), list):
1013                         vm["interfaces"]=[]
1014                     for port in client_data.get("ports"):
1015                         interface={}
1016                         interface['vim_info'] = yaml.safe_dump(port)
1017                         interface["mac_address"] = port.get("mac_address")
1018                         interface["vim_net_id"] = port.get("network_id")
1019                         interface["vim_interface_id"] = port["id"]
1020                         interface["ip_address"] = port.get("ip_address")
1021                         if interface["ip_address"]:
1022                             management_ip = True
1023                         if interface["ip_address"] == "0.0.0.0":
1024                             interface["ip_address"] = None
1025                         vm["interfaces"].append(interface)
1026
1027                 except Exception as e:
1028                     self.logger.error("refresh_vms_and_nets. Port get %s: %s", type(e).__name__, str(e))
1029
1030                 if vm['status'] == "ACTIVE" and not management_ip:
1031                     vm['status'] = "ACTIVE:NoMgmtIP"
1032
1033             except vimconn.vimconnNotFoundException as e:
1034                 self.logger.error("Exception getting vm status: %s", str(e))
1035                 vm['status'] = "DELETED"
1036                 vm['error_msg'] = str(e)
1037             except (requests.exceptions.RequestException, js_e.ValidationError, vimconn.vimconnException) as e:
1038                 self.logger.error("Exception getting vm status: %s", str(e))
1039                 vm['status'] = "VIM_ERROR"
1040                 vm['error_msg'] = str(e)
1041             vm_dict[vm_id] = vm
1042         return vm_dict
1043
1044     def refresh_nets_status(self, net_list):
1045         '''Get the status of the networks
1046            Params: the list of network identifiers
1047            Returns a dictionary with:
1048                 net_id:         #VIM id of this network
1049                     status:     #Mandatory. Text with one of:
1050                                 #  DELETED (not found at vim)
1051                                 #  VIM_ERROR (Cannot connect to VIM, VIM response error, ...)
1052                                 #  OTHER (Vim reported other status not understood)
1053                                 #  ERROR (VIM indicates an ERROR status)
1054                                 #  ACTIVE, INACTIVE, DOWN (admin down),
1055                                 #  BUILD (on building process)
1056                                 #
1057                     error_msg:  #Text with VIM error message, if any. Or the VIM connection ERROR
1058                     vim_info:   #Text with plain information obtained from vim (yaml.safe_dump)
1059
1060         '''
1061         try:
1062             self._get_my_tenant()
1063         except requests.exceptions.RequestException as e:
1064             self._format_request_exception(e)
1065
1066         net_dict={}
1067         for net_id in net_list:
1068             net = {}
1069             #print "VIMConnector refresh_tenant_vms_and_nets: Getting tenant network from VIM (tenant: " + str(self.tenant) + "): "
1070             try:
1071                 net_vim = self.get_network(net_id)
1072                 if net_vim['status'] in netStatus2manoFormat:
1073                     net["status"] = netStatus2manoFormat[ net_vim['status'] ]
1074                 else:
1075                     net["status"] = "OTHER"
1076                     net["error_msg"] = "VIM status reported " + net_vim['status']
1077
1078                 if net["status"] == "ACTIVE" and not net_vim['admin_state_up']:
1079                     net["status"] = "DOWN"
1080                 if net_vim.get('last_error'):
1081                     net['error_msg'] = net_vim['last_error']
1082                 net["vim_info"] = yaml.safe_dump(net_vim)
1083             except vimconn.vimconnNotFoundException as e:
1084                 self.logger.error("Exception getting net status: %s", str(e))
1085                 net['status'] = "DELETED"
1086                 net['error_msg'] = str(e)
1087             except (requests.exceptions.RequestException, js_e.ValidationError, vimconn.vimconnException) as e:
1088                 self.logger.error("Exception getting net status: %s", str(e))
1089                 net['status'] = "VIM_ERROR"
1090                 net['error_msg'] = str(e)
1091             net_dict[net_id] = net
1092         return net_dict
1093
1094     def action_vminstance(self, vm_id, action_dict, created_items={}):
1095         '''Send and action over a VM instance from VIM'''
1096         '''Returns the status'''
1097         try:
1098             self._get_my_tenant()
1099             if "console" in action_dict:
1100                 raise vimconn.vimconnException("getting console is not available at openvim", http_code=vimconn.HTTP_Service_Unavailable)
1101             url = self.url+'/'+self.tenant+'/servers/'+vm_id+"/action"
1102             self.logger.info("Action over VM instance POST %s", url)
1103             vim_response = requests.post(url, headers = self.headers_req, data=json.dumps(action_dict) )
1104             self._check_http_request_response(vim_response)
1105             return None
1106         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
1107             self._format_request_exception(e)
1108
1109 #NOT USED METHODS in current version
1110
1111     def host_vim2gui(self, host, server_dict):
1112         '''Transform host dictionary from VIM format to GUI format,
1113         and append to the server_dict
1114         '''
1115         if type(server_dict) is not dict:
1116             print( 'vimconnector.host_vim2gui() ERROR, param server_dict must be a dictionary')
1117             return
1118         RAD={}
1119         occupation={}
1120         for numa in host['host']['numas']:
1121             RAD_item={}
1122             occupation_item={}
1123             #memory
1124             RAD_item['memory']={'size': str(numa['memory'])+'GB', 'eligible': str(numa['hugepages'])+'GB'}
1125             occupation_item['memory']= str(numa['hugepages_consumed'])+'GB'
1126             #cpus
1127             RAD_item['cpus']={}
1128             RAD_item['cpus']['cores'] = []
1129             RAD_item['cpus']['eligible_cores'] = []
1130             occupation_item['cores']=[]
1131             for _ in range(0, len(numa['cores']) // 2):
1132                 RAD_item['cpus']['cores'].append( [] )
1133             for core in numa['cores']:
1134                 RAD_item['cpus']['cores'][core['core_id']].append(core['thread_id'])
1135                 if not 'status' in core: RAD_item['cpus']['eligible_cores'].append(core['thread_id'])
1136                 if 'instance_id' in core: occupation_item['cores'].append(core['thread_id'])
1137             #ports
1138             RAD_item['ports']={}
1139             occupation_item['ports']={}
1140             for iface in numa['interfaces']:
1141                 RAD_item['ports'][ iface['pci'] ] = 'speed:'+str(iface['Mbps'])+'M'
1142                 occupation_item['ports'][ iface['pci'] ] = { 'occupied': str(100*iface['Mbps_consumed'] // iface['Mbps']) + "%" }
1143
1144             RAD[ numa['numa_socket'] ] = RAD_item
1145             occupation[ numa['numa_socket'] ] = occupation_item
1146         server_dict[ host['host']['name'] ] = {'RAD':RAD, 'occupation':occupation}
1147
1148     def get_hosts_info(self):
1149         '''Get the information of deployed hosts
1150         Returns the hosts content'''
1151     #obtain hosts list
1152         url=self.url+'/hosts'
1153         try:
1154             vim_response = requests.get(url)
1155         except requests.exceptions.RequestException as e:
1156             print( "get_hosts_info Exception: ", e.args)
1157             return -vimconn.HTTP_Not_Found, str(e.args[0])
1158         print("vim get", url, "response:",  vim_response.status_code, vim_response.json())
1159         #print vim_response.status_code
1160         #print json.dumps(vim_response.json(), indent=4)
1161         if vim_response.status_code != 200:
1162             # TODO: get error
1163             print('vimconnector.get_hosts_info error getting host list {} {}'.format(vim_response.status_code, vim_response.json()))
1164             return -vim_response.status_code, "Error getting host list"
1165
1166         res,hosts = self._format_in(vim_response, get_hosts_response_schema)
1167
1168         if res==False:
1169             print("vimconnector.get_hosts_info error parsing GET HOSTS vim response", hosts)
1170             return vimconn.HTTP_Internal_Server_Error, hosts
1171     #obtain hosts details
1172         hosts_dict={}
1173         for host in hosts['hosts']:
1174             url=self.url+'/hosts/'+host['id']
1175             try:
1176                 vim_response = requests.get(url)
1177             except requests.exceptions.RequestException as e:
1178                 print( "get_hosts_info Exception: ", e.args)
1179                 return -vimconn.HTTP_Not_Found, str(e.args[0])
1180             print("vim get", url, "response:",  vim_response.status_code, vim_response.json())
1181             if vim_response.status_code != 200:
1182                 print('vimconnector.get_hosts_info error getting detailed host {} {}'.format(vim_response.status_code, vim_response.json()))
1183                 continue
1184             res,host_detail = self._format_in(vim_response, get_host_detail_response_schema)
1185             if res==False:
1186                 print ("vimconnector.get_hosts_info error parsing GET HOSTS/{} vim response {}".format(host['id']), host_detail)
1187                 continue
1188             #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
1189             self.host_vim2gui(host_detail, hosts_dict)
1190         return 200, hosts_dict
1191
1192     def get_hosts(self, vim_tenant):
1193         '''Get the hosts and deployed instances
1194         Returns the hosts content'''
1195     #obtain hosts list
1196         url=self.url+'/hosts'
1197         try:
1198             vim_response = requests.get(url)
1199         except requests.exceptions.RequestException as e:
1200             print("get_hosts Exception: ", e.args)
1201             return -vimconn.HTTP_Not_Found, str(e.args[0])
1202         print("vim get", url, "response:",  vim_response.status_code, vim_response.json())
1203         #print vim_response.status_code
1204         #print json.dumps(vim_response.json(), indent=4)
1205         if vim_response.status_code != 200:
1206             #TODO: get error
1207             print('vimconnector.get_hosts error getting host list {} {}'.format(vim_response.status_code, vim_response.json()))
1208             return -vim_response.status_code, "Error getting host list"
1209
1210         res,hosts = self._format_in(vim_response, get_hosts_response_schema)
1211
1212         if res==False:
1213             print("vimconnector.get_host error parsing GET HOSTS vim response", hosts)
1214             return vimconn.HTTP_Internal_Server_Error, hosts
1215     #obtain instances from hosts
1216         for host in hosts['hosts']:
1217             url=self.url+'/' + vim_tenant + '/servers?hostId='+host['id']
1218             try:
1219                 vim_response = requests.get(url)
1220             except requests.exceptions.RequestException as e:
1221                 print("get_hosts Exception: ", e.args)
1222                 return -vimconn.HTTP_Not_Found, str(e.args[0])
1223             print("vim get", url, "response:",  vim_response.status_code, vim_response.json())
1224             if vim_response.status_code != 200:
1225                 print('vimconnector.get_hosts error getting instances at host {} {}'.format(vim_response.status_code, vim_response.json()))
1226                 continue
1227             res,servers = self._format_in(vim_response, get_server_response_schema)
1228             if res==False:
1229                 print("vimconnector.get_host error parsing GET SERVERS/{} vim response {}".format(host['id']), servers)
1230                 continue
1231             #print 'host id '+host['id'], json.dumps(host_detail, indent=4)
1232             host['instances'] = servers['servers']
1233         return 200, hosts['hosts']
1234
1235     def get_processor_rankings(self):
1236         '''Get the processor rankings in the VIM database'''
1237         url=self.url+'/processor_ranking'
1238         try:
1239             vim_response = requests.get(url)
1240         except requests.exceptions.RequestException as e:
1241             print("get_processor_rankings Exception: ", e.args)
1242             return -vimconn.HTTP_Not_Found, str(e.args[0])
1243         print("vim get", url, "response:", vim_response.status_code, vim_response.json())
1244         #print vim_response.status_code
1245         #print json.dumps(vim_response.json(), indent=4)
1246         if vim_response.status_code != 200:
1247             #TODO: get error
1248             print('vimconnector.get_processor_rankings error getting processor rankings {} {}'.format(vim_response.status_code, vim_response.json()))
1249             return -vim_response.status_code, "Error getting processor rankings"
1250
1251         res,rankings = self._format_in(vim_response, get_processor_rankings_response_schema)
1252         return res, rankings['rankings']
1253
1254     def new_host(self, host_data):
1255         '''Adds a new host to VIM'''
1256         '''Returns status code of the VIM response'''
1257         payload_req = host_data
1258         try:
1259             url = self.url_admin+'/hosts'
1260             self.logger.info("Adding a new host POST %s", url)
1261             vim_response = requests.post(url, headers = self.headers_req, data=payload_req)
1262             self._check_http_request_response(vim_response)
1263             self.logger.debug(vim_response.text)
1264             #print json.dumps(vim_response.json(), indent=4)
1265             response = vim_response.json()
1266             js_v(response, new_host_response_schema)
1267             r = self._remove_extra_items(response, new_host_response_schema)
1268             if r is not None:
1269                 self.logger.warn("Warning: remove extra items %s", str(r))
1270             host_id = response['host']['id']
1271             return host_id
1272         except (requests.exceptions.RequestException, js_e.ValidationError) as e:
1273             self._format_request_exception(e)
1274
1275     def new_external_port(self, port_data):
1276         '''Adds a external port to VIM'''
1277         '''Returns the port identifier'''
1278         #TODO change to logging exception code policies
1279         print( "VIMConnector: Adding a new external port")
1280         payload_req = port_data
1281         try:
1282             vim_response = requests.post(self.url_admin+'/ports', headers = self.headers_req, data=payload_req)
1283         except requests.exceptions.RequestException as e:
1284             self.logger.error("new_external_port Exception: ", str(e))
1285             return -vimconn.HTTP_Not_Found, str(e.args[0])
1286         print( vim_response)
1287         #print vim_response.status_code
1288         if vim_response.status_code == 200:
1289         #print vim_response.json()
1290         #print json.dumps(vim_response.json(), indent=4)
1291             res, http_content = self._format_in(vim_response, new_port_response_schema)
1292         #print http_content
1293             if res:
1294                 r = self._remove_extra_items(http_content, new_port_response_schema)
1295                 if r is not None: print("Warning: remove extra items ", r)
1296                 #print http_content
1297                 port_id = http_content['port']['id']
1298                 print("Port id: ",port_id)
1299                 return vim_response.status_code,port_id
1300             else: return -vimconn.HTTP_Bad_Request,http_content
1301         else:
1302             #print vim_response.text
1303             jsonerror = self._format_jsonerror(vim_response)
1304             text = 'Error in VIM "{}": not possible to add new external port. HTTP Response: {}. Error: {}'.format(
1305                 self.url_admin, vim_response.status_code, jsonerror)
1306             #print text
1307             return -vim_response.status_code,text
1308
1309     def new_external_network(self,net_name,net_type):
1310         '''Adds a external network to VIM (shared)'''
1311         '''Returns the network identifier'''
1312         #TODO change to logging exception code policies
1313         print("VIMConnector: Adding external shared network to VIM (type " + net_type + "): "+ net_name)
1314
1315         payload_req = '{"network":{"name": "' + net_name + '","shared":true,"type": "' + net_type + '"}}'
1316         try:
1317             vim_response = requests.post(self.url+'/networks', headers = self.headers_req, data=payload_req)
1318         except requests.exceptions.RequestException as e:
1319             self.logger.error( "new_external_network Exception: ", e.args)
1320             return -vimconn.HTTP_Not_Found, str(e.args[0])
1321         print(vim_response)
1322         #print vim_response.status_code
1323         if vim_response.status_code == 200:
1324             #print vim_response.json()
1325             #print json.dumps(vim_response.json(), indent=4)
1326             res,http_content = self._format_in(vim_response, new_network_response_schema)
1327             #print http_content
1328             if res:
1329                 r = self._remove_extra_items(http_content, new_network_response_schema)
1330                 if r is not None: print("Warning: remove extra items ", r)
1331                 #print http_content
1332                 network_id = http_content['network']['id']
1333                 print( "Network id: ",network_id)
1334                 return vim_response.status_code,network_id
1335             else: return -vimconn.HTTP_Bad_Request,http_content
1336         else:
1337             #print vim_response.text
1338             jsonerror = self._format_jsonerror(vim_response)
1339             text = 'Error in VIM "{}": not possible to add new external network. HTTP Response: {}. Error: {}'.format(
1340                 self.url, vim_response.status_code, jsonerror)
1341             #print text
1342             return -vim_response.status_code,text
1343
1344     def connect_port_network(self, port_id, network_id, admin=False):
1345         '''Connects a external port to a network'''
1346         '''Returns status code of the VIM response'''
1347         #TODO change to logging exception code policies
1348         print("VIMConnector: Connecting external port to network")
1349
1350         payload_req = '{"port":{"network_id":"' + network_id + '"}}'
1351         if admin:
1352             if self.url_admin==None:
1353                 return -vimconn.HTTP_Unauthorized, "datacenter cannot contain  admin URL"
1354             url= self.url_admin
1355         else:
1356             url= self.url
1357         try:
1358             vim_response = requests.put(url +'/ports/'+port_id, headers = self.headers_req, data=payload_req)
1359         except requests.exceptions.RequestException as e:
1360             print("connect_port_network Exception: ", e.args)
1361             return -vimconn.HTTP_Not_Found, str(e.args[0])
1362         print(vim_response)
1363         #print vim_response.status_code
1364         if vim_response.status_code == 200:
1365             #print vim_response.json()
1366             #print json.dumps(vim_response.json(), indent=4)
1367             res,http_content = self._format_in(vim_response, new_port_response_schema)
1368             #print http_content
1369             if res:
1370                 r = self._remove_extra_items(http_content, new_port_response_schema)
1371                 if r is not None: print("Warning: remove extra items ", r)
1372                 #print http_content
1373                 port_id = http_content['port']['id']
1374                 print("Port id: ",port_id)
1375                 return vim_response.status_code,port_id
1376             else: return -vimconn.HTTP_Bad_Request,http_content
1377         else:
1378             print(vim_response.text)
1379             jsonerror = self._format_jsonerror(vim_response)
1380             text = 'Error in VIM "{}": not possible to connect external port to network. HTTP Response: {}.' \
1381                    ' Error: {}'.format(self.url_admin, vim_response.status_code, jsonerror)
1382             print(text)
1383             return -vim_response.status_code,text
1384
1385