3 # Copyright (c) 2015 All rights reserved
4 # 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
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # pylint: disable=missing-docstring
12 from functest.utils.constants import CONST
14 from snaps.openstack.tests import openstack_tests
15 from snaps.openstack.utils import neutron_utils, nova_utils
18 def get_ext_net_name(os_creds):
20 Returns the configured external network name or
21 the first retrieved external network name
22 :param: os_creds: an instance of snaps OSCreds object
25 neutron = neutron_utils.neutron_client(os_creds)
26 ext_nets = neutron_utils.get_external_networks(neutron)
27 if hasattr(CONST, 'EXTERNAL_NETWORK'):
28 extnet_config = CONST.__getattribute__('EXTERNAL_NETWORK')
29 for ext_net in ext_nets:
30 if ext_net.name == extnet_config:
32 return ext_nets[0].name if ext_nets else ""
35 def get_active_compute_cnt(os_creds):
37 Returns the number of active compute servers
38 :param: os_creds: an instance of snaps OSCreds object
39 :return: the number of active compute servers
41 nova = nova_utils.nova_client(os_creds)
42 computes = nova_utils.get_availability_zone_hosts(nova, zone_name='nova')
46 def get_credentials(proxy_settings_str=None, ssh_proxy_cmd=None):
48 Returns snaps OSCreds object instance
49 :param: proxy_settings_str: proxy settings string <host>:<port>
50 :param: ssh_proxy_cmd: the SSH proxy command for the environment
51 :return: an instance of snaps OSCreds object
54 if hasattr(CONST, 'snaps_os_creds_override'):
55 creds_override = CONST.__getattribute__(
56 'snaps_os_creds_override')
57 os_creds = openstack_tests.get_credentials(
58 os_env_file=CONST.__getattribute__('openstack_creds'),
59 proxy_settings_str=proxy_settings_str, ssh_proxy_cmd=ssh_proxy_cmd,
60 overrides=creds_override)