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#!/usr/bin/env python
# Copyright (c) 2015 All rights reserved
# This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
#
# http://www.apache.org/licenses/LICENSE-2.0
"""Some common utils wrapping snaps functions """
from functest.utils.constants import CONST
from snaps.openstack.tests import openstack_tests
from snaps.openstack.utils import neutron_utils, nova_utils
def get_ext_net_name(os_creds):
"""
Returns the configured external network name or
the first retrieved external network name
:param: os_creds: an instance of snaps OSCreds object
:return:
"""
neutron = neutron_utils.neutron_client(os_creds)
ext_nets = neutron_utils.get_external_networks(neutron)
if hasattr(CONST, 'EXTERNAL_NETWORK'):
extnet_config = CONST.__getattribute__('EXTERNAL_NETWORK')
for ext_net in ext_nets:
if ext_net.name == extnet_config:
return extnet_config
return ext_nets[0].name if ext_nets else ""
def get_active_compute_cnt(os_creds):
"""
Returns the number of active compute servers
:param: os_creds: an instance of snaps OSCreds object
:return: the number of active compute servers
"""
nova = nova_utils.nova_client(os_creds)
computes = nova_utils.get_availability_zone_hosts(nova, zone_name='nova')
return len(computes)
def get_credentials(proxy_settings_str=None, ssh_proxy_cmd=None):
"""
Returns snaps OSCreds object instance
:param: proxy_settings_str: proxy settings string <host>:<port>
:param: ssh_proxy_cmd: the SSH proxy command for the environment
:return: an instance of snaps OSCreds object
"""
creds_override = None
if hasattr(CONST, 'snaps_os_creds_override'):
creds_override = CONST.__getattribute__(
'snaps_os_creds_override')
os_creds = openstack_tests.get_credentials(
os_env_file=CONST.__getattribute__('env_file'),
proxy_settings_str=proxy_settings_str, ssh_proxy_cmd=ssh_proxy_cmd,
overrides=creds_override)
return os_creds
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