src/emuvim/api/openstack/openstack_dummies/nova_dummy_api.py

   1 from flask_restful import Resource
   2 from flask import Response, request
   3 from emuvim.api.openstack.openstack_dummies.base_openstack_dummy import BaseOpenstackDummy
   4 import logging
   5 import json
   6 import uuid
   7 from mininet.link import Link
   8
   9
  10 LOG = logging.getLogger("api.openstack.nova")
  11
  12
  13 class NovaDummyApi(BaseOpenstackDummy):
  14     def __init__(self, in_ip, in_port, compute):
  15         super(NovaDummyApi, self).__init__(in_ip, in_port)
  16         self.compute = compute
  17
  18         self.api.add_resource(NovaVersionsList, "/",
  19                               resource_class_kwargs={'api': self})
  20         self.api.add_resource(Shutdown, "/shutdown")
  21         self.api.add_resource(NovaVersionShow, "/v2.1/<id>",
  22                               resource_class_kwargs={'api': self})
  23         self.api.add_resource(NovaListServersApi, "/v2.1/<id>/servers",
  24                               resource_class_kwargs={'api': self})
  25         self.api.add_resource(NovaListServersAndPortsApi, "/v2.1/<id>/servers/andPorts",
  26                               resource_class_kwargs={'api': self})
  27         self.api.add_resource(NovaListServersDetailed, "/v2.1/<id>/servers/detail",
  28                               resource_class_kwargs={'api': self})
  29         self.api.add_resource(NovaShowServerDetails, "/v2.1/<id>/servers/<serverid>",
  30                               resource_class_kwargs={'api': self})
  31         self.api.add_resource(NovaInterfaceToServer, "/v2.1/<id>/servers/<serverid>/os-interface",
  32                               resource_class_kwargs={'api': self})
  33         self.api.add_resource(NovaShowAndDeleteInterfaceAtServer, "/v2.1/<id>/servers/<serverid>/os-interface/<port_id>",
  34                               resource_class_kwargs={'api': self})
  35         self.api.add_resource(NovaListFlavors, "/v2.1/<id>/flavors", "/v2/<id>/flavors",
  36                               resource_class_kwargs={'api': self})
  37         self.api.add_resource(NovaListFlavorsDetails, "/v2.1/<id>/flavors/detail", "/v2/<id>/flavors/detail",
  38                               resource_class_kwargs={'api': self})
  39         self.api.add_resource(NovaListFlavorById, "/v2.1/<id>/flavors/<flavorid>", "/v2/<id>/flavors/<flavorid>",
  40                               resource_class_kwargs={'api': self})
  41         self.api.add_resource(NovaListImages, "/v2.1/<id>/images",
  42                               resource_class_kwargs={'api': self})
  43         self.api.add_resource(NovaListImagesDetails, "/v2.1/<id>/images/detail",
  44                               resource_class_kwargs={'api': self})
  45         self.api.add_resource(NovaListImageById, "/v2.1/<id>/images/<imageid>",
  46                               resource_class_kwargs={'api': self})
  47         self.api.add_resource(NovaLimits, "/v2.1/<id>/limits",
  48                               resource_class_kwargs={'api': self})
  49
  50     def _start_flask(self):
  51         LOG.info("Starting %s endpoint @ http://%s:%d" % ("NovaDummyApi", self.ip, self.port))
  52         # add some flavors for good measure
  53         self.compute.add_flavor('m1.tiny', 1, 512, "MB", 1, "GB")
  54         self.compute.add_flavor('m1.nano', 1, 64, "MB", 0, "GB")
  55         self.compute.add_flavor('m1.micro', 1, 128, "MB", 0, "GB")
  56         self.compute.add_flavor('m1.small', 1, 1024, "MB", 2, "GB")
  57         if self.app is not None:
  58             self.app.before_request(self.dump_playbook)
  59             self.app.run(self.ip, self.port, debug=True, use_reloader=False)
  60
  61
  62 class Shutdown(Resource):
  63     """
  64     A get request to /shutdown will shut down this endpoint.
  65     """
  66
  67     def get(self):
  68         LOG.debug(("%s is beeing shut doen") % (__name__))
  69         func = request.environ.get('werkzeug.server.shutdown')
  70         if func is None:
  71             raise RuntimeError('Not running with the Werkzeug Server')
  72         func()
  73
  74
  75 class NovaVersionsList(Resource):
  76     def __init__(self, api):
  77         self.api = api
  78
  79     def get(self):
  80         """
  81         Lists API versions.
  82
  83         :return: Returns a json with API versions.
  84         :rtype: :class:`flask.response`
  85         """
  86         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
  87         try:
  88             resp = """
  89                 {
  90                     "versions": [
  91                         {
  92                             "id": "v2.1",
  93                             "links": [
  94                                 {
  95                                     "href": "http://%s:%d/v2.1/",
  96                                     "rel": "self"
  97                                 }
  98                             ],
  99                             "status": "CURRENT",
 100                             "version": "2.38",
 101                             "min_version": "2.1",
 102                             "updated": "2013-07-23T11:33:21Z"
 103                         }
 104                     ]
 105                 }
 106             """ % (self.api.ip, self.api.port)
 107
 108             response = Response(resp, status=200, mimetype="application/json")
 109             response.headers['Access-Control-Allow-Origin'] = '*'
 110             return response
 111
 112         except Exception as ex:
 113             LOG.exception(u"%s: Could not show list of versions." % __name__)
 114             return ex.message, 500
 115
 116
 117 class NovaVersionShow(Resource):
 118     def __init__(self, api):
 119         self.api = api
 120
 121     def get(self, id):
 122         """
 123         Returns API details.
 124
 125         :param id:
 126         :type id: ``str``
 127         :return: Returns a json with API details.
 128         :rtype: :class:`flask.response`
 129         """
 130         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 131
 132         try:
 133             resp = """
 134             {
 135                 "version": {
 136                     "id": "v2.1",
 137                     "links": [
 138                         {
 139                             "href": "http://%s:%d/v2.1/",
 140                             "rel": "self"
 141                         },
 142                         {
 143                             "href": "http://docs.openstack.org/",
 144                             "rel": "describedby",
 145                             "type": "text/html"
 146                         }
 147                     ],
 148                     "media-types": [
 149                         {
 150                             "base": "application/json",
 151                             "type": "application/vnd.openstack.compute+json;version=2.1"
 152                         }
 153                     ],
 154                     "status": "CURRENT",
 155                     "version": "2.38",
 156                     "min_version": "2.1",
 157                     "updated": "2013-07-23T11:33:21Z"
 158                 }
 159             }
 160             """ % (self.api.ip, self.api.port)
 161
 162             response = Response(resp, status=200, mimetype="application/json")
 163             response.headers['Access-Control-Allow-Origin'] = '*'
 164             return response
 165
 166         except Exception as ex:
 167             LOG.exception(u"%s: Could not show list of versions." % __name__)
 168             return ex.message, 500
 169
 170
 171 class NovaListServersApi(Resource):
 172     def __init__(self, api):
 173         self.api = api
 174
 175     def get(self, id):
 176         """
 177         Creates a list with all running servers and their detailed information.
 178
 179         :param id: Used to create a individual link to quarry further information.
 180         :type id: ``str``
 181         :return: Returns a json response with a dictionary that contains the server information.
 182         :rtype: :class:`flask.response`
 183         """
 184         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 185
 186         try:
 187             resp = dict()
 188             resp['servers'] = list()
 189             for server in self.api.compute.computeUnits.values():
 190                 s = server.create_server_dict(self.api.compute)
 191                 s['links'] = [{'href': "http://%s:%d/v2.1/%s/servers/%s" % (self.api.ip,
 192                                                                             self.api.port,
 193                                                                             id,
 194                                                                             server.id)}]
 195
 196                 resp['servers'].append(s)
 197
 198             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 199             response.headers['Access-Control-Allow-Origin'] = '*'
 200             return response
 201
 202         except Exception as ex:
 203             LOG.exception(u"%s: Could not retrieve the list of servers." % __name__)
 204             return ex.message, 500
 205
 206     def post(self, id):
 207         """
 208         Creates a server instance.
 209
 210         :param id: tenant id, we ignore this most of the time
 211         :type id: ``str``
 212         :return: Returns a flask response, with detailed information about the just created server.
 213         :rtype: :class:`flask.response`
 214         """
 215         LOG.debug("API CALL: %s POST" % str(self.__class__.__name__))
 216         try:
 217             server_dict = json.loads(request.data)['server']
 218             networks = server_dict.get('networks', None)
 219             name = str(self.api.compute.dc.label) + "_man_" + server_dict["name"][0:12]
 220
 221             if self.api.compute.find_server_by_name_or_id(name) is not None:
 222                 return Response("Server with name %s already exists." % name, status=409)
 223             # TODO: not finished!
 224             resp = dict()
 225
 226             server = self.api.compute.create_server(name)
 227             server.full_name = str(self.api.compute.dc.label) + "_man_" + server_dict["name"]
 228             server.template_name = server_dict["name"]
 229
 230             for flavor in self.api.compute.flavors.values():
 231                 if flavor.id == server_dict.get('flavorRef', ''):
 232                     server.flavor = flavor.name
 233             for image in self.api.compute.images.values():
 234                 if image.id in server_dict['imageRef']:
 235                     server.image = image.name
 236
 237             if networks is not None:
 238                 for net in networks:
 239                     port = self.api.compute.find_port_by_name_or_id(net.get('port', ""))
 240                     if port is not None:
 241                         server.port_names.append(port.name)
 242                     else:
 243                         return Response("Currently only networking by port is supported.", status=400)
 244
 245             self.api.compute._start_compute(server)
 246
 247             response = NovaShowServerDetails(self.api).get(id, server.id)
 248             response.headers['Access-Control-Allow-Origin'] = '*'
 249             return response
 250
 251         except Exception as ex:
 252             LOG.exception(u"%s: Could not create the server." % __name__)
 253             return ex.message, 500
 254
 255
 256 class NovaListServersAndPortsApi(Resource):
 257     def __init__(self, api):
 258         self.api = api
 259
 260     def get(self, id):
 261         """
 262         Creates a list with all running servers and their detailed information. This function also presents all
 263         port information of each server.
 264
 265         :param id: Used to create a individual link to quarry further information.
 266         :type id: ``str``
 267         :return: Returns a json response with a dictionary that contains the server information.
 268         :rtype: :class:`flask.response`
 269         """
 270         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 271
 272         try:
 273             resp = dict()
 274             resp['servers'] = list()
 275             for server in self.api.compute.computeUnits.values():
 276                 s = server.create_server_dict(self.api.compute)
 277                 s['links'] = [{'href': "http://%s:%d/v2.1/%s/servers/%s" % (self.api.ip,
 278                                                                             self.api.port,
 279                                                                             id,
 280                                                                             server.id)}]
 281
 282                 s['ports'] = list()
 283                 for port_name in server.port_names:
 284                     port = self.api.compute.find_port_by_name_or_id(port_name)
 285                     if port is None:
 286                         continue
 287
 288                     tmp = port.create_port_dict(self.api.compute)
 289                     tmp['intf_name'] = port.intf_name
 290                     s['ports'].append(tmp)
 291
 292                 resp['servers'].append(s)
 293
 294             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 295             response.headers['Access-Control-Allow-Origin'] = '*'
 296             return response
 297
 298         except Exception as ex:
 299             LOG.exception(u"%s: Could not retrieve the list of servers." % __name__)
 300             return ex.message, 500
 301
 302
 303 class NovaListServersDetailed(Resource):
 304     def __init__(self, api):
 305         self.api = api
 306
 307     def get(self, id):
 308         """
 309         As List Servers, it lists all running servers and their details but furthermore it also states the
 310         used flavor and the server image.
 311
 312         :param id: tenant id, used for the 'href' link.
 313         :type id: ``str``
 314         :return: Returns a flask response, with detailed information aboit the servers and their flavor and image.
 315         :rtype: :class:`flask.response`
 316         """
 317         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 318
 319         try:
 320             resp = {"servers": list()}
 321             for server in self.api.compute.computeUnits.values():
 322                 s = server.create_server_dict(self.api.compute)
 323                 s['links'] = [{'href': "http://%s:%d/v2.1/%s/servers/%s" % (self.api.ip,
 324                                                                             self.api.port,
 325                                                                             id,
 326                                                                             server.id)}]
 327                 flavor = self.api.compute.flavors[server.flavor]
 328                 s['flavor'] = {
 329                     "id": flavor.id,
 330                     "links": [
 331                         {
 332                             "href": "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 333                                                                          self.api.port,
 334                                                                          id,
 335                                                                          flavor.id),
 336                             "rel": "bookmark"
 337                         }
 338                     ]
 339                 }
 340                 image = self.api.compute.images[server.image]
 341                 s['image'] = {
 342                     "id": image.id,
 343                     "links": [
 344                         {
 345                             "href": "http://%s:%d/v2.1/%s/images/%s" % (self.api.ip,
 346                                                                         self.api.port,
 347                                                                         id,
 348                                                                         image.id),
 349                             "rel": "bookmark"
 350                         }
 351                     ]
 352                 }
 353
 354                 resp['servers'].append(s)
 355
 356             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 357             response.headers['Access-Control-Allow-Origin'] = '*'
 358             return response
 359
 360         except Exception as ex:
 361             LOG.exception(u"%s: Could not retrieve the list of servers." % __name__)
 362             return ex.message, 500
 363
 364
 365 class NovaListFlavors(Resource):
 366     def __init__(self, api):
 367         self.api = api
 368
 369     def get(self, id):
 370         """
 371         Lists all available flavors.
 372
 373         :param id: tenant id, used for the 'href' link
 374         :type id: ``str``
 375         :return: Returns a flask response with a list of all flavors.
 376         :rtype: :class:`flask.response`
 377         """
 378         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 379         try:
 380             resp = dict()
 381             resp['flavors'] = list()
 382             for flavor in self.api.compute.flavors.values():
 383                 f = flavor.__dict__.copy()
 384                 f['id'] = flavor.id
 385                 f['name'] = flavor.name
 386                 f['links'] = [{'href': "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 387                                                                             self.api.port,
 388                                                                             id,
 389                                                                             flavor.id)}]
 390                 resp['flavors'].append(f)
 391
 392             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 393             response.headers['Access-Control-Allow-Origin'] = '*'
 394             return response
 395
 396         except Exception as ex:
 397             LOG.exception(u"%s: Could not retrieve the list of servers." % __name__)
 398             return ex.message, 500
 399
 400     def post(self, id):
 401         LOG.debug("API CALL: %s POST" % str(self.__class__.__name__))
 402         data = json.loads(request.data).get("flavor")
 403         LOG.warning("Create Flavor: %s" % str(data))
 404         # add to internal dict
 405         f = self.api.compute.add_flavor(
 406             data.get("name"),
 407             data.get("vcpus"),
 408             data.get("ram"), "MB",
 409             data.get("disk"), "GB")
 410         # create response based on incoming data
 411         data["id"] = f.id
 412         data["links"] = [{'href': "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 413                                                                        self.api.port,
 414                                                                        id,
 415                                                                        f.id)}]
 416         resp = {"flavor": data}
 417         return Response(json.dumps(resp), status=200, mimetype="application/json")
 418
 419
 420 class NovaListFlavorsDetails(Resource):
 421     def __init__(self, api):
 422         self.api = api
 423
 424     def get(self, id):
 425         """
 426         Lists all flavors with additional information like ram and disk space.
 427
 428         :param id: tenant id, used for the 'href' link
 429         :type id: ``str``
 430         :return: Returns a flask response with a list of all flavors with additional information.
 431         :rtype: :class:`flask.response`
 432         """
 433         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 434         try:
 435             resp = dict()
 436             resp['flavors'] = list()
 437             for flavor in self.api.compute.flavors.values():
 438                 # use the class dict. it should work fine
 439                 # but use a copy so we don't modifiy the original
 440                 f = flavor.__dict__.copy()
 441                 # add additional expected stuff stay openstack compatible
 442                 f['links'] = [{'href': "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 443                                                                             self.api.port,
 444                                                                             id,
 445                                                                             flavor.id)}]
 446                 f['OS-FLV-DISABLED:disabled'] = False
 447                 f['OS-FLV-EXT-DATA:ephemeral'] = 0
 448                 f['os-flavor-access:is_public'] = True
 449                 f['ram'] = flavor.memory
 450                 f['vcpus'] = flavor.cpu
 451                 f['swap'] = 0
 452                 f['disk'] = flavor.storage
 453                 f['rxtx_factor'] = 1.0
 454                 resp['flavors'].append(f)
 455
 456             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 457             response.headers['Access-Control-Allow-Origin'] = '*'
 458             return response
 459
 460         except Exception as ex:
 461             LOG.exception(u"%s: Could not retrieve the list of servers." % __name__)
 462             return ex.message, 500
 463
 464     def post(self, id):
 465         LOG.debug("API CALL: %s POST" % str(self.__class__.__name__))
 466         data = json.loads(request.data).get("flavor")
 467         LOG.warning("Create Flavor: %s" % str(data))
 468         # add to internal dict
 469         f = self.api.compute.add_flavor(
 470             data.get("name"),
 471             data.get("vcpus"),
 472             data.get("ram"), "MB",
 473             data.get("disk"), "GB")
 474         # create response based on incoming data
 475         data["id"] = f.id
 476         data["links"] = [{'href': "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 477                                                                        self.api.port,
 478                                                                        id,
 479                                                                        f.id)}]
 480         resp = {"flavor": data}
 481         return Response(json.dumps(resp), status=200, mimetype="application/json")
 482
 483
 484 class NovaListFlavorById(Resource):
 485     def __init__(self, api):
 486         self.api = api
 487
 488     def get(self, id, flavorid):
 489         """
 490         Returns details about one flavor.
 491
 492         :param id: tenant id, used for the 'href' link
 493         :type id: ``str``
 494         :param flavorid: Represents the flavor.
 495         :type flavorid: ``str``
 496         :return: Returns a flask response with detailed information about the flavor.
 497         :rtype: :class:`flask.response`
 498         """
 499         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 500         try:
 501             resp = dict()
 502             resp['flavor'] = dict()
 503             flavor = self.api.compute.flavors.get(flavorid, None)
 504             if flavor is None:
 505                 for f in self.api.compute.flavors.values():
 506                     if f.id == flavorid:
 507                         flavor = f
 508                         break
 509             resp['flavor']['id'] = flavor.id
 510             resp['flavor']['name'] = flavor.name
 511             resp['flavor']['links'] = [{'href': "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 512                                                                                      self.api.port,
 513                                                                                      id,
 514                                                                                      flavor.id)}]
 515             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 516             response.headers['Access-Control-Allow-Origin'] = '*'
 517             return response
 518
 519         except Exception as ex:
 520             LOG.exception(u"%s: Could not retrieve flavor with id %s" % (__name__, flavorid))
 521             return ex.message, 500
 522
 523     def delete(self, id, flavorid):
 524         """
 525         Removes the given flavor.
 526         Does not really remove anything from the machine, just fakes an OK.
 527         """
 528         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 529         return Response("{}", status=204, mimetype="application/json")
 530
 531
 532 class NovaListImages(Resource):
 533     def __init__(self, api):
 534         self.api = api
 535
 536     def get(self, id):
 537         """
 538         Creates a list of all usable images.
 539
 540         :param id: tenant id, used for the 'href' link
 541         :type id: ``str``
 542         :return: Returns a flask response with a list of available images.
 543         :rtype: :class:`flask.response`
 544         """
 545         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 546         try:
 547             resp = dict()
 548             resp['images'] = list()
 549             for image in self.api.compute.images.values():
 550                 f = dict()
 551                 f['id'] = image.id
 552                 f['name'] = str(image.name).replace(":latest", "")
 553                 f['links'] = [{'href': "http://%s:%d/v2.1/%s/images/%s" % (self.api.ip,
 554                                                                            self.api.port,
 555                                                                            id,
 556                                                                            image.id)}]
 557                 resp['images'].append(f)
 558             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 559             response.headers['Access-Control-Allow-Origin'] = '*'
 560             return response
 561
 562         except Exception as ex:
 563             LOG.exception(u"%s: Could not retrieve the list of images." % __name__)
 564             return ex.message, 500
 565
 566
 567 class NovaListImagesDetails(Resource):
 568     def __init__(self, api):
 569         self.api = api
 570
 571     def get(self, id):
 572         """
 573         As List Images but with additional metadata.
 574
 575         :param id: tenant id, used for the 'href' link
 576         :type id: ``str``
 577         :return: Returns a flask response with a list of images and their metadata.
 578         :rtype: :class:`flask.response`
 579         """
 580         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 581         try:
 582             resp = dict()
 583             resp['images'] = list()
 584             for image in self.api.compute.images.values():
 585                 # use the class dict. it should work fine
 586                 # but use a copy so we don't modifiy the original
 587                 f = image.__dict__.copy()
 588                 # add additional expected stuff stay openstack compatible
 589                 f['name'] = str(image.name).replace(":latest", "")
 590                 f['links'] = [{'href': "http://%s:%d/v2.1/%s/images/%s" % (self.api.ip,
 591                                                                            self.api.port,
 592                                                                            id,
 593                                                                            image.id)}]
 594                 f['metadata'] = {
 595                     "architecture": "x86_64",
 596                     "auto_disk_config": "True",
 597                     "kernel_id": "nokernel",
 598                     "ramdisk_id": "nokernel"
 599                 }
 600                 resp['images'].append(f)
 601
 602             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 603             response.headers['Access-Control-Allow-Origin'] = '*'
 604             return response
 605
 606         except Exception as ex:
 607             LOG.exception(u"%s: Could not retrieve the list of images." % __name__)
 608             return ex.message, 500
 609
 610
 611 class NovaListImageById(Resource):
 612     def __init__(self, api):
 613         self.api = api
 614
 615     def get(self, id, imageid):
 616         """
 617         Gets an image by id from the emulator with openstack nova compliant return values.
 618
 619         :param id: tenantid, we ignore this most of the time
 620         :type id: ``str``
 621         :param imageid: id of the image. If it is 1 the dummy CREATE-IMAGE is returned
 622         :type imageid: ``str``
 623         :return: Returns a flask response with the information about one image.
 624         :rtype: :class:`flask.response`
 625         """
 626         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 627         try:
 628             resp = dict()
 629             i = resp['image'] = dict()
 630             for image in self.api.compute.images.values():
 631                 if image.id == imageid or image.name == imageid:
 632                     i['id'] = image.id
 633                     i['name'] = image.name
 634
 635                     return Response(json.dumps(resp), status=200, mimetype="application/json")
 636
 637             response = Response("Image with id or name %s does not exists." % imageid, status=404)
 638             response.headers['Access-Control-Allow-Origin'] = '*'
 639             return response
 640
 641         except Exception as ex:
 642             LOG.exception(u"%s: Could not retrieve image with id %s." % (__name__, imageid))
 643             return ex.message, 500
 644
 645     def delete(self, id, imageid):
 646         """
 647         Removes the given image.
 648         Does not really remove anything from the machine, just fakes an OK.
 649         """
 650         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 651         return Response("{}", status=204, mimetype="application/json")
 652
 653
 654 class NovaShowServerDetails(Resource):
 655     def __init__(self, api):
 656         self.api = api
 657
 658     def get(self, id, serverid):
 659         """
 660         Returns detailed information about the specified server.
 661
 662         :param id: tenant id, used for the 'href' link
 663         :type id: ``str``
 664         :param serverid: Specifies the requested server.
 665         :type serverid: ``str``
 666         :return: Returns a flask response with details about the server.
 667         :rtype: :class:`flask.response`
 668         """
 669         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 670         try:
 671             server = self.api.compute.find_server_by_name_or_id(serverid)
 672             if server is None:
 673                 return Response("Server with id or name %s does not exists." % serverid, status=404)
 674             s = server.create_server_dict()
 675             s['links'] = [{'href': "http://%s:%d/v2.1/%s/servers/%s" % (self.api.ip,
 676                                                                         self.api.port,
 677                                                                         id,
 678                                                                         server.id)}]
 679
 680             flavor = self.api.compute.flavors[server.flavor]
 681             s['flavor'] = {
 682                 "id": flavor.id,
 683                 "links": [
 684                     {
 685                         "href": "http://%s:%d/v2.1/%s/flavors/%s" % (self.api.ip,
 686                                                                      self.api.port,
 687                                                                      id,
 688                                                                      flavor.id),
 689                         "rel": "bookmark"
 690                     }
 691                 ]
 692             }
 693             image = self.api.compute.images[server.image]
 694             s['image'] = {
 695                 "id": image.id,
 696                 "links": [
 697                     {
 698                         "href": "http://%s:%d/v2.1/%s/images/%s" % (self.api.ip,
 699                                                                     self.api.port,
 700                                                                     id,
 701                                                                     image.id),
 702                         "rel": "bookmark"
 703                     }
 704                 ]
 705             }
 706
 707             response = Response(json.dumps({'server': s}), status=200, mimetype="application/json")
 708             response.headers['Access-Control-Allow-Origin'] = '*'
 709             return response
 710
 711         except Exception as ex:
 712             LOG.exception(u"%s: Could not retrieve the server details." % __name__)
 713             return ex.message, 500
 714
 715     def delete(self, id, serverid):
 716         """
 717         Delete a server instance.
 718
 719         :param id: tenant id, we ignore this most of the time
 720         :type id: ``str``
 721         :param serverid: The UUID of the server
 722         :type serverid: ``str``
 723         :return: Returns 200 if everything is fine.
 724         :rtype: :class:`flask.response`
 725         """
 726         LOG.debug("API CALL: %s POST" % str(self.__class__.__name__))
 727         try:
 728             server = self.api.compute.find_server_by_name_or_id(serverid)
 729             if server is None:
 730                 return Response('Could not find server.', status=404, mimetype="application/json")
 731
 732             self.api.compute.stop_compute(server)
 733
 734             response = Response('Server deleted.', status=204, mimetype="application/json")
 735             response.headers['Access-Control-Allow-Origin'] = '*'
 736             return response
 737
 738         except Exception as ex:
 739             LOG.exception(u"%s: Could not create the server." % __name__)
 740             return ex.message, 500
 741
 742
 743 class NovaInterfaceToServer(Resource):
 744     def __init__(self, api):
 745         self.api = api
 746
 747     def post(self, id, serverid):
 748         """
 749         Add an interface to the specified server.
 750
 751         :param id: tenant id, we ignore this most of the time
 752         :type id: ``str``
 753         :param serverid: Specifies the server.
 754         :type serverid: ``str``
 755         :return: Returns a flask response with information about the attached interface.
 756         :rtype: :class:`flask.response`
 757         """
 758         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 759         try:
 760             server = self.api.compute.find_server_by_name_or_id(serverid)
 761             if server is None:
 762                 return Response("Server with id or name %s does not exists." % serverid, status=404)
 763
 764             if server.emulator_compute is None:
 765                 LOG.error("The targeted container does not exist.")
 766                 return Response("The targeted container of %s does not exist." % serverid, status=404)
 767             data = json.loads(request.data).get("interfaceAttachment")
 768             resp = dict()
 769             port = data.get("port_id", None)
 770             net = data.get("net_id", None)
 771             dc = self.api.compute.dc
 772             network_dict = dict()
 773             network = None
 774
 775             if net is not None and port is not None:
 776                 port = self.api.compute.find_port_by_name_or_id(port)
 777                 network = self.api.compute.find_network_by_name_or_id(net)
 778                 network_dict['id'] = port.intf_name
 779                 network_dict['ip'] = port.ip_address
 780                 network_dict[network_dict['id']] = network.name
 781             elif net is not None:
 782                 network = self.api.compute.find_network_by_name_or_id(net)
 783                 if network is None:
 784                     return Response("Network with id or name %s does not exists." % net, status=404)
 785                 port = self.api.compute.create_port("port:cp%s:fl:%s" %
 786                                                     (len(self.api.compute.ports), str(uuid.uuid4())))
 787
 788                 port.net_name = network.name
 789                 port.ip_address = network.get_new_ip_address(port.name)
 790                 network_dict['id'] = port.intf_name
 791                 network_dict['ip'] = port.ip_address
 792                 network_dict[network_dict['id']] = network.name
 793             elif port is not None:
 794                 port = self.api.compute.find_port_by_name_or_id(port)
 795                 network_dict['id'] = port.intf_name
 796                 network_dict['ip'] = port.ip_address
 797                 network = self.api.compute.find_network_by_name_or_id(port.net_name)
 798                 network_dict[network_dict['id']] = network.name
 799             else:
 800                 raise Exception("You can only attach interfaces by port or network at the moment")
 801
 802             if network == self.api.manage.floating_network:
 803                 dc.net.addLink(server.emulator_compute, self.api.manage.floating_switch,
 804                                params1=network_dict, cls=Link, intfName1=port.intf_name)
 805             else:
 806                 dc.net.addLink(server.emulator_compute, dc.switch,
 807                                params1=network_dict, cls=Link, intfName1=port.intf_name)
 808             resp["port_state"] = "ACTIVE"
 809             resp["port_id"] = port.id
 810             resp["net_id"] = self.api.compute.find_network_by_name_or_id(port.net_name).id
 811             resp["mac_addr"] = port.mac_address
 812             resp["fixed_ips"] = list()
 813             fixed_ips = dict()
 814             fixed_ips["ip_address"] = port.ip_address
 815             fixed_ips["subnet_id"] = network.subnet_name
 816             resp["fixed_ips"].append(fixed_ips)
 817             response = Response(json.dumps({"interfaceAttachment": resp}), status=202, mimetype="application/json")
 818             response.headers['Access-Control-Allow-Origin'] = '*'
 819             return response
 820
 821         except Exception as ex:
 822             LOG.exception(u"%s: Could not add interface to the server." % __name__)
 823             return ex.message, 500
 824
 825
 826 class NovaShowAndDeleteInterfaceAtServer(Resource):
 827     def __init__(self, api):
 828         self.api = api
 829
 830     def delete(self, id, serverid, port_id):
 831         """
 832         Deletes an existing interface.
 833
 834         :param id: tenant id, we ignore this most of the time
 835         :type id: ``str``
 836         :param serverid: Specifies the server, where the interface will be deleted.
 837         :type serverid: ``str``
 838         :param port_id: Specifies the port of the interface.
 839         :type port_id: ``str``
 840         :return: Returns a flask response with 202 if everything worked out. Otherwise it will return 404 and an
 841          error message.
 842         :rtype: :class:`flask.response`
 843         """
 844         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 845         try:
 846             server = self.api.compute.find_server_by_name_or_id(serverid)
 847             if server is None:
 848                 return Response("Server with id or name %s does not exists." % serverid, status=404)
 849             port = self.api.compute.find_port_by_name_or_id(port_id)
 850             if port is None:
 851                 return Response("Port with id or name %s does not exists." % port_id, status=404)
 852
 853             for link in self.api.compute.dc.net.links:
 854                 if str(link.intf1) == port.intf_name and \
 855                                 str(link.intf1.ip) == port.ip_address.split('/')[0]:
 856                     self.api.compute.dc.net.removeLink(link)
 857                     break
 858
 859             response = Response("", status=202, mimetype="application/json")
 860             response.headers['Access-Control-Allow-Origin'] = '*'
 861             return response
 862
 863         except Exception as ex:
 864             LOG.exception(u"%s: Could not detach interface from the server." % __name__)
 865             return ex.message, 500
 866
 867
 868 class NovaLimits(Resource):
 869     def __init__(self, api):
 870         self.api = api
 871
 872     def get(self, id):
 873         """
 874         Returns the resource limits of the emulated cloud.
 875         https://developer.openstack.org/api-ref/compute/?expanded=show-rate-and-absolute-limits-detail#limits-limits
 876
 877         TODO: For now we only return fixed limits, not based on the real deployment.
 878
 879         :param id: tenant id, used for the 'href' link
 880         :type id: ``str``
 881         :return: Returns the resource limits.
 882         :rtype: :class:`flask.response`
 883         """
 884         LOG.debug("API CALL: %s GET" % str(self.__class__.__name__))
 885         try:
 886             resp = {
 887                 "limits": {
 888                     "absolute": {
 889                         "maxImageMeta": 12800,
 890                         "maxPersonality": 500,
 891                         "maxPersonalitySize": 1024000,
 892                         "maxSecurityGroupRules": 2000,
 893                         "maxSecurityGroups": 1000,
 894                         "maxServerMeta": 12800,
 895                         "maxTotalCores": 2000,
 896                         "maxTotalFloatingIps": 1000,
 897                         "maxTotalInstances": 1000,
 898                         "maxTotalKeypairs": 1000,
 899                         "maxTotalRAMSize": 5120000,
 900                         "maxServerGroups": 1000,
 901                         "maxServerGroupMembers": 1000,
 902                         "totalCoresUsed": 0,
 903                         "totalInstancesUsed": 0,
 904                         "totalRAMUsed": 0,
 905                         "totalSecurityGroupsUsed": 0,
 906                         "totalFloatingIpsUsed": 0,
 907                         "totalServerGroupsUsed": 0
 908                     },
 909                     "rate": []
 910                 }
 911             }
 912             response = Response(json.dumps(resp), status=200, mimetype="application/json")
 913             response.headers['Access-Control-Allow-Origin'] = '*'
 914             return response
 915
 916         except Exception as ex:
 917             LOG.exception(u"%s: Could not retrieve the list of images." % __name__)
 918             return ex.message, 500