yardstick/common/openstack_utils.py

   1 ##############################################################################
   2 # Copyright (c) 2016 Huawei Technologies Co.,Ltd and others.
   3 #
   4 # All rights reserved. This program and the accompanying materials
   5 # are made available under the terms of the Apache License, Version 2.0
   6 # which accompanies this distribution, and is available at
   7 # http://www.apache.org/licenses/LICENSE-2.0
   8 ##############################################################################
   9
  10 import os
  11 import time
  12 import sys
  13 import logging
  14
  15 from keystoneauth1 import loading
  16 from keystoneauth1 import session
  17 import shade
  18 from shade import exc
  19
  20 from cinderclient import client as cinderclient
  21 from novaclient import client as novaclient
  22 from glanceclient import client as glanceclient
  23 from neutronclient.neutron import client as neutronclient
  24
  25
  26 log = logging.getLogger(__name__)
  27
  28 DEFAULT_HEAT_API_VERSION = '1'
  29 DEFAULT_API_VERSION = '2'
  30
  31
  32 # *********************************************
  33 #   CREDENTIALS
  34 # *********************************************
  35 def get_credentials():
  36     """Returns a creds dictionary filled with parsed from env
  37
  38     Keystone API version used is 3; v2 was deprecated in 2014 (Icehouse). Along
  39     with this deprecation, environment variable 'OS_TENANT_NAME' is replaced by
  40     'OS_PROJECT_NAME'.
  41     """
  42     creds = {'username': os.environ.get('OS_USERNAME'),
  43              'password': os.environ.get('OS_PASSWORD'),
  44              'auth_url': os.environ.get('OS_AUTH_URL'),
  45              'project_name': os.environ.get('OS_PROJECT_NAME')
  46              }
  47
  48     if os.getenv('OS_USER_DOMAIN_NAME'):
  49         creds['user_domain_name'] = os.getenv('OS_USER_DOMAIN_NAME')
  50     if os.getenv('OS_PROJECT_DOMAIN_NAME'):
  51         creds['project_domain_name'] = os.getenv('OS_PROJECT_DOMAIN_NAME')
  52
  53     return creds
  54
  55
  56 def get_session_auth():
  57     loader = loading.get_plugin_loader('password')
  58     creds = get_credentials()
  59     auth = loader.load_from_options(**creds)
  60     return auth
  61
  62
  63 def get_session():
  64     auth = get_session_auth()
  65     try:
  66         cacert = os.environ['OS_CACERT']
  67     except KeyError:
  68         return session.Session(auth=auth)
  69     else:
  70         insecure = os.getenv('OS_INSECURE', '').lower() == 'true'
  71         cacert = False if insecure else cacert
  72         return session.Session(auth=auth, verify=cacert)
  73
  74
  75 def get_endpoint(service_type, endpoint_type='publicURL'):
  76     auth = get_session_auth()
  77     # for multi-region, we need to specify region
  78     # when finding the endpoint
  79     return get_session().get_endpoint(auth=auth,
  80                                       service_type=service_type,
  81                                       endpoint_type=endpoint_type,
  82                                       region_name=os.environ.get(
  83                                           "OS_REGION_NAME"))
  84
  85
  86 # *********************************************
  87 #   CLIENTS
  88 # *********************************************
  89 def get_heat_api_version():     # pragma: no cover
  90     try:
  91         api_version = os.environ['HEAT_API_VERSION']
  92     except KeyError:
  93         return DEFAULT_HEAT_API_VERSION
  94     else:
  95         log.info("HEAT_API_VERSION is set in env as '%s'", api_version)
  96         return api_version
  97
  98
  99 def get_cinder_client_version():      # pragma: no cover
 100     try:
 101         api_version = os.environ['OS_VOLUME_API_VERSION']
 102     except KeyError:
 103         return DEFAULT_API_VERSION
 104     else:
 105         log.info("OS_VOLUME_API_VERSION is set in env as '%s'", api_version)
 106         return api_version
 107
 108
 109 def get_cinder_client():      # pragma: no cover
 110     sess = get_session()
 111     return cinderclient.Client(get_cinder_client_version(), session=sess)
 112
 113
 114 def get_nova_client_version():      # pragma: no cover
 115     try:
 116         api_version = os.environ['OS_COMPUTE_API_VERSION']
 117     except KeyError:
 118         return DEFAULT_API_VERSION
 119     else:
 120         log.info("OS_COMPUTE_API_VERSION is set in env as '%s'", api_version)
 121         return api_version
 122
 123
 124 def get_nova_client():      # pragma: no cover
 125     sess = get_session()
 126     return novaclient.Client(get_nova_client_version(), session=sess)
 127
 128
 129 def get_neutron_client_version():   # pragma: no cover
 130     try:
 131         api_version = os.environ['OS_NETWORK_API_VERSION']
 132     except KeyError:
 133         return DEFAULT_API_VERSION
 134     else:
 135         log.info("OS_NETWORK_API_VERSION is set in env as '%s'", api_version)
 136         return api_version
 137
 138
 139 def get_neutron_client():   # pragma: no cover
 140     sess = get_session()
 141     return neutronclient.Client(get_neutron_client_version(), session=sess)
 142
 143
 144 def get_glance_client_version():    # pragma: no cover
 145     try:
 146         api_version = os.environ['OS_IMAGE_API_VERSION']
 147     except KeyError:
 148         return DEFAULT_API_VERSION
 149     else:
 150         log.info("OS_IMAGE_API_VERSION is set in env as '%s'", api_version)
 151         return api_version
 152
 153
 154 def get_glance_client():    # pragma: no cover
 155     sess = get_session()
 156     return glanceclient.Client(get_glance_client_version(), session=sess)
 157
 158
 159 def get_shade_client():
 160     return shade.openstack_cloud()
 161
 162
 163 # *********************************************
 164 #   NOVA
 165 # *********************************************
 166 def get_instances(nova_client):
 167     try:
 168         return nova_client.servers.list(search_opts={'all_tenants': 1})
 169     except Exception:  # pylint: disable=broad-except
 170         log.exception("Error [get_instances(nova_client)]")
 171
 172
 173 def get_instance_status(nova_client, instance):     # pragma: no cover
 174     try:
 175         return nova_client.servers.get(instance.id).status
 176     except Exception:  # pylint: disable=broad-except
 177         log.exception("Error [get_instance_status(nova_client)]")
 178
 179
 180 def get_instance_by_name(nova_client, instance_name):   # pragma: no cover
 181     try:
 182         return nova_client.servers.find(name=instance_name)
 183     except Exception:  # pylint: disable=broad-except
 184         log.exception("Error [get_instance_by_name(nova_client, '%s')]",
 185                       instance_name)
 186
 187
 188 def get_aggregates(nova_client):    # pragma: no cover
 189     try:
 190         return nova_client.aggregates.list()
 191     except Exception:  # pylint: disable=broad-except
 192         log.exception("Error [get_aggregates(nova_client)]")
 193
 194
 195 def get_availability_zones(nova_client):    # pragma: no cover
 196     try:
 197         return nova_client.availability_zones.list()
 198     except Exception:  # pylint: disable=broad-except
 199         log.exception("Error [get_availability_zones(nova_client)]")
 200
 201
 202 def get_availability_zone_names(nova_client):   # pragma: no cover
 203     try:
 204         return [az.zoneName for az in get_availability_zones(nova_client)]
 205     except Exception:  # pylint: disable=broad-except
 206         log.exception("Error [get_availability_zone_names(nova_client)]")
 207
 208
 209 def create_aggregate(nova_client, aggregate_name, av_zone):  # pragma: no cover
 210     try:
 211         nova_client.aggregates.create(aggregate_name, av_zone)
 212     except Exception:  # pylint: disable=broad-except
 213         log.exception("Error [create_aggregate(nova_client, %s, %s)]",
 214                       aggregate_name, av_zone)
 215         return False
 216     else:
 217         return True
 218
 219
 220 def get_aggregate_id(nova_client, aggregate_name):      # pragma: no cover
 221     try:
 222         aggregates = get_aggregates(nova_client)
 223         _id = next((ag.id for ag in aggregates if ag.name == aggregate_name))
 224     except Exception:  # pylint: disable=broad-except
 225         log.exception("Error [get_aggregate_id(nova_client, %s)]",
 226                       aggregate_name)
 227     else:
 228         return _id
 229
 230
 231 def add_host_to_aggregate(nova_client, aggregate_name,
 232                           compute_host):    # pragma: no cover
 233     try:
 234         aggregate_id = get_aggregate_id(nova_client, aggregate_name)
 235         nova_client.aggregates.add_host(aggregate_id, compute_host)
 236     except Exception:  # pylint: disable=broad-except
 237         log.exception("Error [add_host_to_aggregate(nova_client, %s, %s)]",
 238                       aggregate_name, compute_host)
 239         return False
 240     else:
 241         return True
 242
 243
 244 def create_aggregate_with_host(nova_client, aggregate_name, av_zone,
 245                                compute_host):    # pragma: no cover
 246     try:
 247         create_aggregate(nova_client, aggregate_name, av_zone)
 248         add_host_to_aggregate(nova_client, aggregate_name, compute_host)
 249     except Exception:  # pylint: disable=broad-except
 250         log.exception("Error [create_aggregate_with_host("
 251                       "nova_client, %s, %s, %s)]",
 252                       aggregate_name, av_zone, compute_host)
 253         return False
 254     else:
 255         return True
 256
 257
 258 def create_keypair(name, key_path=None):    # pragma: no cover
 259     try:
 260         with open(key_path) as fpubkey:
 261             keypair = get_nova_client().keypairs.create(
 262                 name=name, public_key=fpubkey.read())
 263             return keypair
 264     except Exception:  # pylint: disable=broad-except
 265         log.exception("Error [create_keypair(nova_client)]")
 266
 267
 268 def create_instance(json_body):    # pragma: no cover
 269     try:
 270         return get_nova_client().servers.create(**json_body)
 271     except Exception:  # pylint: disable=broad-except
 272         log.exception("Error create instance failed")
 273         return None
 274
 275
 276 def create_instance_and_wait_for_active(json_body):    # pragma: no cover
 277     SLEEP = 3
 278     VM_BOOT_TIMEOUT = 180
 279     nova_client = get_nova_client()
 280     instance = create_instance(json_body)
 281     for _ in range(int(VM_BOOT_TIMEOUT / SLEEP)):
 282         status = get_instance_status(nova_client, instance)
 283         if status.lower() == "active":
 284             return instance
 285         elif status.lower() == "error":
 286             log.error("The instance went to ERROR status.")
 287             return None
 288         time.sleep(SLEEP)
 289     log.error("Timeout booting the instance.")
 290     return None
 291
 292
 293 def attach_server_volume(server_id, volume_id,
 294                          device=None):    # pragma: no cover
 295     try:
 296         get_nova_client().volumes.create_server_volume(server_id,
 297                                                        volume_id, device)
 298     except Exception:  # pylint: disable=broad-except
 299         log.exception("Error [attach_server_volume(nova_client, '%s', '%s')]",
 300                       server_id, volume_id)
 301         return False
 302     else:
 303         return True
 304
 305
 306 def delete_instance(nova_client, instance_id):      # pragma: no cover
 307     try:
 308         nova_client.servers.force_delete(instance_id)
 309     except Exception:  # pylint: disable=broad-except
 310         log.exception("Error [delete_instance(nova_client, '%s')]",
 311                       instance_id)
 312         return False
 313     else:
 314         return True
 315
 316
 317 def remove_host_from_aggregate(nova_client, aggregate_name,
 318                                compute_host):  # pragma: no cover
 319     try:
 320         aggregate_id = get_aggregate_id(nova_client, aggregate_name)
 321         nova_client.aggregates.remove_host(aggregate_id, compute_host)
 322     except Exception:  # pylint: disable=broad-except
 323         log.exception("Error remove_host_from_aggregate(nova_client, %s, %s)",
 324                       aggregate_name, compute_host)
 325         return False
 326     else:
 327         return True
 328
 329
 330 def remove_hosts_from_aggregate(nova_client,
 331                                 aggregate_name):   # pragma: no cover
 332     aggregate_id = get_aggregate_id(nova_client, aggregate_name)
 333     hosts = nova_client.aggregates.get(aggregate_id).hosts
 334     assert(
 335         all(remove_host_from_aggregate(nova_client, aggregate_name, host)
 336             for host in hosts))
 337
 338
 339 def delete_aggregate(nova_client, aggregate_name):  # pragma: no cover
 340     try:
 341         remove_hosts_from_aggregate(nova_client, aggregate_name)
 342         nova_client.aggregates.delete(aggregate_name)
 343     except Exception:  # pylint: disable=broad-except
 344         log.exception("Error [delete_aggregate(nova_client, %s)]",
 345                       aggregate_name)
 346         return False
 347     else:
 348         return True
 349
 350
 351 def get_server_by_name(name):   # pragma: no cover
 352     try:
 353         return get_nova_client().servers.list(search_opts={'name': name})[0]
 354     except IndexError:
 355         log.exception('Failed to get nova client')
 356         raise
 357
 358
 359 def create_flavor(name, ram, vcpus, disk, **kwargs):   # pragma: no cover
 360     try:
 361         return get_nova_client().flavors.create(name, ram, vcpus,
 362                                                 disk, **kwargs)
 363     except Exception:  # pylint: disable=broad-except
 364         log.exception("Error [create_flavor(nova_client, %s, %s, %s, %s, %s)]",
 365                       name, ram, disk, vcpus, kwargs['is_public'])
 366         return None
 367
 368
 369 def get_image_by_name(name):    # pragma: no cover
 370     images = get_nova_client().images.list()
 371     try:
 372         return next((a for a in images if a.name == name))
 373     except StopIteration:
 374         log.exception('No image matched')
 375
 376
 377 def get_flavor_id(nova_client, flavor_name):    # pragma: no cover
 378     flavors = nova_client.flavors.list(detailed=True)
 379     flavor_id = ''
 380     for f in flavors:
 381         if f.name == flavor_name:
 382             flavor_id = f.id
 383             break
 384     return flavor_id
 385
 386
 387 def get_flavor_by_name(name):   # pragma: no cover
 388     flavors = get_nova_client().flavors.list()
 389     try:
 390         return next((a for a in flavors if a.name == name))
 391     except StopIteration:
 392         log.exception('No flavor matched')
 393
 394
 395 def check_status(status, name, iterations, interval):   # pragma: no cover
 396     for _ in range(iterations):
 397         try:
 398             server = get_server_by_name(name)
 399         except IndexError:
 400             log.error('Cannot found %s server', name)
 401             raise
 402
 403         if server.status == status:
 404             return True
 405
 406         time.sleep(interval)
 407     return False
 408
 409
 410 def delete_flavor(flavor_id):    # pragma: no cover
 411     try:
 412         get_nova_client().flavors.delete(flavor_id)
 413     except Exception:  # pylint: disable=broad-except
 414         log.exception("Error [delete_flavor(nova_client, %s)]", flavor_id)
 415         return False
 416     else:
 417         return True
 418
 419
 420 def delete_keypair(nova_client, key):     # pragma: no cover
 421     try:
 422         nova_client.keypairs.delete(key=key)
 423         return True
 424     except Exception:  # pylint: disable=broad-except
 425         log.exception("Error [delete_keypair(nova_client)]")
 426         return False
 427
 428
 429 # *********************************************
 430 #   NEUTRON
 431 # *********************************************
 432 def get_network_id(shade_client, network_name):
 433     networks = shade_client.list_networks({'name': network_name})
 434     if networks:
 435         return networks[0]['id']
 436
 437
 438 def create_neutron_net(shade_client, network_name, shared=False,
 439                        admin_state_up=True, external=False, provider=None,
 440                        project_id=None):
 441     """Create a neutron network.
 442
 443     :param network_name:(string) name of the network being created.
 444     :param shared:(bool) whether the network is shared.
 445     :param admin_state_up:(bool) set the network administrative state.
 446     :param external:(bool) whether this network is externally accessible.
 447     :param provider:(dict) a dict of network provider options.
 448     :param project_id:(string) specify the project ID this network
 449                       will be created on (admin-only).
 450     :returns:(string) the network id.
 451     """
 452     try:
 453         networks = shade_client.create_network(
 454             name=network_name, shared=shared, admin_state_up=admin_state_up,
 455             external=external, provider=provider, project_id=project_id)
 456         return networks['id']
 457     except exc.OpenStackCloudException as o_exc:
 458         log.error("Error [create_neutron_net(shade_client)]."
 459                   "Exception message, '%s'", o_exc.orig_message)
 460         return None
 461
 462
 463 def delete_neutron_net(shade_client, network_id):
 464     try:
 465         return shade_client.delete_network(network_id)
 466     except exc.OpenStackCloudException:
 467         log.error("Error [delete_neutron_net(shade_client, '%s')]", network_id)
 468         return False
 469
 470
 471 def create_neutron_subnet(shade_client, network_name_or_id, cidr=None,
 472                           ip_version=4, enable_dhcp=False, subnet_name=None,
 473                           tenant_id=None, allocation_pools=None,
 474                           gateway_ip=None, disable_gateway_ip=False,
 475                           dns_nameservers=None, host_routes=None,
 476                           ipv6_ra_mode=None, ipv6_address_mode=None,
 477                           use_default_subnetpool=False):
 478     """Create a subnet on a specified network.
 479
 480     :param network_name_or_id:(string) the unique name or ID of the
 481                               attached network. If a non-unique name is
 482                               supplied, an exception is raised.
 483     :param cidr:(string) the CIDR.
 484     :param ip_version:(int) the IP version.
 485     :param enable_dhcp:(bool) whether DHCP is enable.
 486     :param subnet_name:(string) the name of the subnet.
 487     :param tenant_id:(string) the ID of the tenant who owns the network.
 488     :param allocation_pools: A list of dictionaries of the start and end
 489                             addresses for the allocation pools.
 490     :param gateway_ip:(string) the gateway IP address.
 491     :param disable_gateway_ip:(bool) whether gateway IP address is enabled.
 492     :param dns_nameservers: A list of DNS name servers for the subnet.
 493     :param host_routes: A list of host route dictionaries for the subnet.
 494     :param ipv6_ra_mode:(string) IPv6 Router Advertisement mode.
 495                         Valid values are: 'dhcpv6-stateful',
 496                         'dhcpv6-stateless', or 'slaac'.
 497     :param ipv6_address_mode:(string) IPv6 address mode.
 498                              Valid values are: 'dhcpv6-stateful',
 499                              'dhcpv6-stateless', or 'slaac'.
 500     :param use_default_subnetpool:(bool) use the default subnetpool for
 501                                   ``ip_version`` to obtain a CIDR. It is
 502                                   required to pass ``None`` to the ``cidr``
 503                                   argument when enabling this option.
 504     :returns:(string) the subnet id.
 505     """
 506     try:
 507         subnet = shade_client.create_subnet(
 508             network_name_or_id, cidr=cidr, ip_version=ip_version,
 509             enable_dhcp=enable_dhcp, subnet_name=subnet_name,
 510             tenant_id=tenant_id, allocation_pools=allocation_pools,
 511             gateway_ip=gateway_ip, disable_gateway_ip=disable_gateway_ip,
 512             dns_nameservers=dns_nameservers, host_routes=host_routes,
 513             ipv6_ra_mode=ipv6_ra_mode, ipv6_address_mode=ipv6_address_mode,
 514             use_default_subnetpool=use_default_subnetpool)
 515         return subnet['id']
 516     except exc.OpenStackCloudException as o_exc:
 517         log.error("Error [create_neutron_subnet(shade_client)]. "
 518                   "Exception message: %s", o_exc.orig_message)
 519         return None
 520
 521
 522 def create_neutron_router(neutron_client, json_body):      # pragma: no cover
 523     try:
 524         router = neutron_client.create_router(json_body)
 525         return router['router']['id']
 526     except Exception:  # pylint: disable=broad-except
 527         log.error("Error [create_neutron_router(neutron_client)]")
 528         raise Exception("operation error")
 529
 530
 531 def delete_neutron_router(shade_client, router_id):
 532     try:
 533         return shade_client.delete_router(router_id)
 534     except exc.OpenStackCloudException as o_exc:
 535         log.error("Error [delete_neutron_router(shade_client, '%s')]. "
 536                   "Exception message: %s", router_id, o_exc.orig_message)
 537         return False
 538
 539
 540 def remove_gateway_router(neutron_client, router_id):      # pragma: no cover
 541     try:
 542         neutron_client.remove_gateway_router(router_id)
 543         return True
 544     except Exception:  # pylint: disable=broad-except
 545         log.error("Error [remove_gateway_router(neutron_client, '%s')]",
 546                   router_id)
 547         return False
 548
 549
 550 def remove_interface_router(neutron_client, router_id, subnet_id,
 551                             **json_body):      # pragma: no cover
 552     json_body.update({"subnet_id": subnet_id})
 553     try:
 554         neutron_client.remove_interface_router(router=router_id,
 555                                                body=json_body)
 556         return True
 557     except Exception:  # pylint: disable=broad-except
 558         log.error("Error [remove_interface_router(neutron_client, '%s', "
 559                   "'%s')]", router_id, subnet_id)
 560         return False
 561
 562
 563 def create_floating_ip(neutron_client, extnet_id):      # pragma: no cover
 564     props = {'floating_network_id': extnet_id}
 565     try:
 566         ip_json = neutron_client.create_floatingip({'floatingip': props})
 567         fip_addr = ip_json['floatingip']['floating_ip_address']
 568         fip_id = ip_json['floatingip']['id']
 569     except Exception:  # pylint: disable=broad-except
 570         log.error("Error [create_floating_ip(neutron_client)]")
 571         return None
 572     return {'fip_addr': fip_addr, 'fip_id': fip_id}
 573
 574
 575 def delete_floating_ip(nova_client, floatingip_id):      # pragma: no cover
 576     try:
 577         nova_client.floating_ips.delete(floatingip_id)
 578         return True
 579     except Exception:  # pylint: disable=broad-except
 580         log.error("Error [delete_floating_ip(nova_client, '%s')]",
 581                   floatingip_id)
 582         return False
 583
 584
 585 def get_security_groups(neutron_client):      # pragma: no cover
 586     try:
 587         security_groups = neutron_client.list_security_groups()[
 588             'security_groups']
 589         return security_groups
 590     except Exception:  # pylint: disable=broad-except
 591         log.error("Error [get_security_groups(neutron_client)]")
 592         return None
 593
 594
 595 def get_security_group_id(neutron_client, sg_name):      # pragma: no cover
 596     security_groups = get_security_groups(neutron_client)
 597     id = ''
 598     for sg in security_groups:
 599         if sg['name'] == sg_name:
 600             id = sg['id']
 601             break
 602     return id
 603
 604
 605 def create_security_group(neutron_client, sg_name,
 606                           sg_description):      # pragma: no cover
 607     json_body = {'security_group': {'name': sg_name,
 608                                     'description': sg_description}}
 609     try:
 610         secgroup = neutron_client.create_security_group(json_body)
 611         return secgroup['security_group']
 612     except Exception:  # pylint: disable=broad-except
 613         log.error("Error [create_security_group(neutron_client, '%s', "
 614                   "'%s')]", sg_name, sg_description)
 615         return None
 616
 617
 618 def create_secgroup_rule(neutron_client, sg_id, direction, protocol,
 619                          port_range_min=None, port_range_max=None,
 620                          **json_body):      # pragma: no cover
 621     # We create a security group in 2 steps
 622     # 1 - we check the format and set the json body accordingly
 623     # 2 - we call neturon client to create the security group
 624
 625     # Format check
 626     json_body.update({'security_group_rule': {'direction': direction,
 627                      'security_group_id': sg_id, 'protocol': protocol}})
 628     # parameters may be
 629     # - both None => we do nothing
 630     # - both Not None => we add them to the json description
 631     # but one cannot be None is the other is not None
 632     if (port_range_min is not None and port_range_max is not None):
 633         # add port_range in json description
 634         json_body['security_group_rule']['port_range_min'] = port_range_min
 635         json_body['security_group_rule']['port_range_max'] = port_range_max
 636         log.debug("Security_group format set (port range included)")
 637     else:
 638         # either both port range are set to None => do nothing
 639         # or one is set but not the other => log it and return False
 640         if port_range_min is None and port_range_max is None:
 641             log.debug("Security_group format set (no port range mentioned)")
 642         else:
 643             log.error("Bad security group format."
 644                       "One of the port range is not properly set:"
 645                       "range min: %s, range max: %s", port_range_min,
 646                       port_range_max)
 647             return False
 648
 649     # Create security group using neutron client
 650     try:
 651         neutron_client.create_security_group_rule(json_body)
 652         return True
 653     except Exception:  # pylint: disable=broad-except
 654         log.exception("Impossible to create_security_group_rule,"
 655                       "security group rule probably already exists")
 656         return False
 657
 658
 659 def create_security_group_full(neutron_client, sg_name,
 660                                sg_description):      # pragma: no cover
 661     sg_id = get_security_group_id(neutron_client, sg_name)
 662     if sg_id != '':
 663         log.info("Using existing security group '%s'...", sg_name)
 664     else:
 665         log.info("Creating security group  '%s'...", sg_name)
 666         SECGROUP = create_security_group(neutron_client,
 667                                          sg_name,
 668                                          sg_description)
 669         if not SECGROUP:
 670             log.error("Failed to create the security group...")
 671             return None
 672
 673         sg_id = SECGROUP['id']
 674
 675         log.debug("Security group '%s' with ID=%s created successfully.",
 676                   SECGROUP['name'], sg_id)
 677
 678         log.debug("Adding ICMP rules in security group '%s'...", sg_name)
 679         if not create_secgroup_rule(neutron_client, sg_id,
 680                                     'ingress', 'icmp'):
 681             log.error("Failed to create the security group rule...")
 682             return None
 683
 684         log.debug("Adding SSH rules in security group '%s'...", sg_name)
 685         if not create_secgroup_rule(
 686                 neutron_client, sg_id, 'ingress', 'tcp', '22', '22'):
 687             log.error("Failed to create the security group rule...")
 688             return None
 689
 690         if not create_secgroup_rule(
 691                 neutron_client, sg_id, 'egress', 'tcp', '22', '22'):
 692             log.error("Failed to create the security group rule...")
 693             return None
 694     return sg_id
 695
 696
 697 # *********************************************
 698 #   GLANCE
 699 # *********************************************
 700 def get_image_id(glance_client, image_name):    # pragma: no cover
 701     images = glance_client.images.list()
 702     return next((i.id for i in images if i.name == image_name), None)
 703
 704
 705 def create_image(glance_client, image_name, file_path, disk_format,
 706                  container_format, min_disk, min_ram, protected, tag,
 707                  public, **kwargs):    # pragma: no cover
 708     if not os.path.isfile(file_path):
 709         log.error("Error: file %s does not exist.", file_path)
 710         return None
 711     try:
 712         image_id = get_image_id(glance_client, image_name)
 713         if image_id is not None:
 714             log.info("Image %s already exists.", image_name)
 715         else:
 716             log.info("Creating image '%s' from '%s'...", image_name, file_path)
 717
 718             image = glance_client.images.create(
 719                 name=image_name, visibility=public, disk_format=disk_format,
 720                 container_format=container_format, min_disk=min_disk,
 721                 min_ram=min_ram, tags=tag, protected=protected, **kwargs)
 722             image_id = image.id
 723             with open(file_path) as image_data:
 724                 glance_client.images.upload(image_id, image_data)
 725         return image_id
 726     except Exception:  # pylint: disable=broad-except
 727         log.error(
 728             "Error [create_glance_image(glance_client, '%s', '%s', '%s')]",
 729             image_name, file_path, public)
 730         return None
 731
 732
 733 def delete_image(glance_client, image_id):    # pragma: no cover
 734     try:
 735         glance_client.images.delete(image_id)
 736
 737     except Exception:  # pylint: disable=broad-except
 738         log.exception("Error [delete_flavor(glance_client, %s)]", image_id)
 739         return False
 740     else:
 741         return True
 742
 743
 744 # *********************************************
 745 #   CINDER
 746 # *********************************************
 747 def get_volume_id(volume_name):    # pragma: no cover
 748     volumes = get_cinder_client().volumes.list()
 749     return next((v.id for v in volumes if v.name == volume_name), None)
 750
 751
 752 def create_volume(cinder_client, volume_name, volume_size,
 753                   volume_image=False):    # pragma: no cover
 754     try:
 755         if volume_image:
 756             volume = cinder_client.volumes.create(name=volume_name,
 757                                                   size=volume_size,
 758                                                   imageRef=volume_image)
 759         else:
 760             volume = cinder_client.volumes.create(name=volume_name,
 761                                                   size=volume_size)
 762         return volume
 763     except Exception:  # pylint: disable=broad-except
 764         log.exception("Error [create_volume(cinder_client, %s)]",
 765                       (volume_name, volume_size))
 766         return None
 767
 768
 769 def delete_volume(cinder_client, volume_id,
 770                   forced=False):      # pragma: no cover
 771     try:
 772         if forced:
 773             try:
 774                 cinder_client.volumes.detach(volume_id)
 775             except Exception:  # pylint: disable=broad-except
 776                 log.error(sys.exc_info()[0])
 777             cinder_client.volumes.force_delete(volume_id)
 778         else:
 779             while True:
 780                 volume = get_cinder_client().volumes.get(volume_id)
 781                 if volume.status.lower() == 'available':
 782                     break
 783             cinder_client.volumes.delete(volume_id)
 784         return True
 785     except Exception:  # pylint: disable=broad-except
 786         log.exception("Error [delete_volume(cinder_client, '%s')]", volume_id)
 787         return False
 788
 789
 790 def detach_volume(server_id, volume_id):      # pragma: no cover
 791     try:
 792         get_nova_client().volumes.delete_server_volume(server_id, volume_id)
 793         return True
 794     except Exception:  # pylint: disable=broad-except
 795         log.exception("Error [detach_server_volume(nova_client, '%s', '%s')]",
 796                       server_id, volume_id)
 797         return False