3 # jose.lausuch@ericsson.com
4 # valentin.boucher@orange.com
5 # All rights reserved. This program and the accompanying materials
6 # are made available under the terms of the Apache License, Version 2.0
7 # which accompanies this distribution, and is available at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # pylint: disable=missing-docstring
12 from __future__ import print_function
20 LOGGER = logging.getLogger(__name__)
23 def execute_command_raise(cmd, info=False, error_msg="",
24 verbose=True, output_file=None):
25 ret = execute_command(cmd, info, error_msg, verbose, output_file)
27 raise Exception(error_msg)
30 def execute_command(cmd, info=False, error_msg="",
31 verbose=True, output_file=None):
33 error_msg = ("The command '%s' failed." % cmd)
34 msg_exec = ("Executing command: '%s'" % cmd)
39 LOGGER.debug(msg_exec)
40 popen = subprocess.Popen(
41 cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
43 ofd = open(output_file, "w")
44 for line in iter(popen.stdout.readline, b''):
48 line = line.replace('\n', '')
54 returncode = popen.wait()
57 LOGGER.error(error_msg)
62 def get_parameter_from_yaml(parameter, yfile):
64 Returns the value of a given parameter in file.yaml
65 parameter must be given in string format with dots
66 Example: general.openstack.image_name
68 with open(yfile) as yfd:
69 file_yaml = yaml.safe_load(yfd)
71 for element in parameter.split("."):
72 value = value.get(element)
74 raise ValueError("The parameter %s is not defined in"
75 " %s" % (parameter, yfile))
79 def get_nova_version(cloud):
80 """ Get Nova API microversion
84 - Nova API microversion
85 - None on operation error
87 # pylint: disable=protected-access
89 request = cloud._compute_client.request("/", "GET")
90 LOGGER.debug('cloud._compute_client.request: %s', request)
91 version = request["version"]["version"]
92 major, minor = version.split('.')
93 LOGGER.debug('nova version: %s', (int(major), int(minor)))
94 return (int(major), int(minor))
95 except Exception: # pylint: disable=broad-except
96 LOGGER.exception("Cannot detect Nova version")
100 def get_openstack_version(cloud):
101 """ Detect OpenStack version via Nova API microversion
103 It follows `MicroversionHistory
104 <https://docs.openstack.org/nova/latest/reference/api-microversion-history.html>`_.
109 - Unknown on operation error
111 version = get_nova_version(cloud)
114 if version > (2, 72):
116 elif version > (2, 65):
118 elif version > (2, 60):
120 elif version > (2, 53):
122 elif version > (2, 42):
124 elif version > (2, 38):
126 elif version > (2, 25):
128 elif version > (2, 12):
130 elif version > (2, 3):
131 osversion = "Liberty"
132 elif version >= (2, 1):
135 osversion = "Unknown"
136 LOGGER.info('Detect OpenStack version: %s', osversion)
138 except AssertionError:
139 LOGGER.exception("Cannot detect OpenStack version")
143 def convert_dict_to_ini(value):
144 "Convert dict to oslo.conf input"
145 assert isinstance(value, dict)
146 return ",".join("{}:{}".format(
147 key, val) for (key, val) in six.iteritems(value))
150 def convert_list_to_ini(value):
151 "Convert list to oslo.conf input"
152 assert isinstance(value, list)
153 return ",".join("{}".format(val) for val in value)
156 def convert_ini_to_dict(value):
157 "Convert oslo.conf input to dict"
158 assert isinstance(value, str)
160 return {k: v for k, v in (x.rsplit(':', 1) for x in value.split(','))}
165 def convert_ini_to_list(value):
166 "Convert list to oslo.conf input"
167 assert isinstance(value, str)
170 return [x for x in value.split(',')]