1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
# yardstick comment: this is a modified copy of rally/rally/common/utils.py
import os
import sys
import yaml
import errno
import subprocess
import logging
from oslo_utils import importutils
from keystoneauth1 import identity
from keystoneauth1 import session
from neutronclient.v2_0 import client
import yardstick
logger = logging.getLogger(__name__)
logger.setLevel(logging.DEBUG)
# Decorator for cli-args
def cliargs(*args, **kwargs):
def _decorator(func):
func.__dict__.setdefault('arguments', []).insert(0, (args, kwargs))
return func
return _decorator
def itersubclasses(cls, _seen=None):
"""Generator over all subclasses of a given class in depth first order."""
if not isinstance(cls, type):
raise TypeError("itersubclasses must be called with "
"new-style classes, not %.100r" % cls)
_seen = _seen or set()
try:
subs = cls.__subclasses__()
except TypeError: # fails only when cls is type
subs = cls.__subclasses__(cls)
for sub in subs:
if sub not in _seen:
_seen.add(sub)
yield sub
for sub in itersubclasses(sub, _seen):
yield sub
def try_append_module(name, modules):
if name not in modules:
modules[name] = importutils.import_module(name)
def import_modules_from_package(package):
"""Import modules from package and append into sys.modules
:param: package - Full package name. For example: rally.deploy.engines
"""
path = [os.path.dirname(yardstick.__file__), ".."] + package.split(".")
path = os.path.join(*path)
for root, dirs, files in os.walk(path):
for filename in files:
if filename.startswith("__") or not filename.endswith(".py"):
continue
new_package = ".".join(root.split(os.sep)).split("....")[1]
module_name = "%s.%s" % (new_package, filename[:-3])
try_append_module(module_name, sys.modules)
def get_para_from_yaml(file_path, args):
def func(a, b):
if a is None:
return None
return a.get(b)
if os.path.exists(file_path):
with open(file_path) as f:
value = yaml.safe_load(f)
value = reduce(func, args.split('.'), value)
if value is None:
print 'parameter not found'
return None
return value
else:
print 'file not exist'
return None
def makedirs(d):
try:
os.makedirs(d)
except OSError as e:
if e.errno != errno.EEXIST:
raise
def execute_command(cmd):
exec_msg = "Executing command: '%s'" % cmd
logger.debug(exec_msg)
output = subprocess.check_output(cmd.split()).split(os.linesep)
return output
def source_env(env_file):
p = subprocess.Popen(". %s; env" % env_file, stdout=subprocess.PIPE,
shell=True)
output = p.communicate()[0]
env = dict((line.split('=', 1) for line in output.splitlines()))
os.environ.update(env)
return env
def get_openstack_session():
auth = identity.Password(auth_url=os.environ.get('OS_AUTH_URL'),
username=os.environ.get('OS_USERNAME'),
password=os.environ.get('OS_PASSWORD'),
tenant_name=os.environ.get('OS_TENANT_NAME'))
return session.Session(auth=auth)
def get_neutron_client():
sess = get_openstack_session()
neutron_client = client.Client(session=sess)
return neutron_client
|
