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