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
18 LOGGER = logging.getLogger(__name__)
21 def execute_command_raise(cmd, info=False, error_msg="",
22 verbose=True, output_file=None):
23 ret = execute_command(cmd, info, error_msg, verbose, output_file)
25 raise Exception(error_msg)
28 def execute_command(cmd, info=False, error_msg="",
29 verbose=True, output_file=None):
31 error_msg = ("The command '%s' failed." % cmd)
32 msg_exec = ("Executing command: '%s'" % cmd)
37 LOGGER.debug(msg_exec)
38 popen = subprocess.Popen(
39 cmd, shell=True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
41 ofd = open(output_file, "w")
42 for line in iter(popen.stdout.readline, b''):
46 line = line.replace('\n', '')
52 returncode = popen.wait()
55 LOGGER.error(error_msg)
60 def get_parameter_from_yaml(parameter, yfile):
62 Returns the value of a given parameter in file.yaml
63 parameter must be given in string format with dots
64 Example: general.openstack.image_name
66 with open(yfile) as yfd:
67 file_yaml = yaml.safe_load(yfd)
69 for element in parameter.split("."):
70 value = value.get(element)
72 raise ValueError("The parameter %s is not defined in"
73 " %s" % (parameter, yfile))
77 def get_nova_version(cloud):
78 """ Get Nova API microversion
82 - Nova API microversion
83 - None on operation error
85 # pylint: disable=protected-access
87 request = cloud._compute_client.request("/", "GET")
88 LOGGER.debug('cloud._compute_client.request: %s', request)
89 version = request["version"]["version"]
90 major, minor = version.split('.')
91 LOGGER.debug('nova version: %s', (int(major), int(minor)))
92 return (int(major), int(minor))
93 except Exception: # pylint: disable=broad-except
94 LOGGER.exception("Cannot detect Nova version")
98 def get_openstack_version(cloud):
99 """ Detect OpenStack version via Nova API microversion
101 It follows `MicroversionHistory
102 <https://docs.openstack.org/nova/latest/reference/api-microversion-history.html>`_.
107 - Unknown on operation error
109 version = get_nova_version(cloud)
112 if version > (2, 65):
114 elif version > (2, 60):
116 elif version > (2, 53):
118 elif version > (2, 42):
120 elif version > (2, 38):
122 elif version > (2, 25):
124 elif version > (2, 12):
126 elif version > (2, 3):
127 osversion = "Liberty"
128 elif version >= (2, 1):
131 osversion = "Unknown"
132 LOGGER.info('Detect OpenStack version: %s', osversion)
134 except AssertionError:
135 LOGGER.exception("Cannot detect OpenStack version")