def get_config_values(config_path, section, default='default'):
"""
Parse ini config file and return a dict of values.
The provided section overrides any values in default section.
"""
values = {}
if not os.path.isfile(config_path):
raise IpaUtilsException(
'Config file not found: %s' % config_path
)
config = configparser.ConfigParser()
try:
config.read(config_path)
except Exception:
raise IpaUtilsException(
'Config file format invalid.'
)
try:
values.update(config.items(default))
except Exception:
pass
try:
values.update(config.items(section))
except Exception:
pass
return values
def update_history_log(history_log,
clear=False,
description=None,
test_log=None):
"""
Update the history log file with item.
If clear flag is provided the log file is deleted.
"""
if not test_log and not clear:
raise IpaUtilsException('A test log or clear flag must be provided.')
if clear:
with ignored(OSError):
os.remove(history_log)
else:
history_dir = os.path.dirname(history_log)
if not os.path.isdir(history_dir):
try:
os.makedirs(history_dir)
except OSError as error:
raise IpaUtilsException('Unable to create directory: %s' %
error)
with open(history_log, 'a+') as f:
# Using append mode creates file if it does not exist
if description:
description = '"%s"' % description
out = '{} {}'.format(test_log, description or '')
f.write(out.strip() + '\n')
def get_test_files(test_dirs):
"""
Walk all test dirs and find all tests and test descriptions.
Returns:
A tuple containing a dict mapping test names to full path
and a dict mapping test descriptions to full path.
Raises:
IpaUtilsException: If there are multiple test files or
test descriptions with the same name. Or, if there is a
name overlap with a test file and test description.
"""
tests = {}
descriptions = {}
for test_dir in test_dirs:
if not os.path.exists(test_dir):
continue
for root, dirs, files in os.walk(test_dir):
test_files = fnmatch.filter(files, 'test_*.py')
description_files = fnmatch.filter(files, 'test_*.yaml')
for test_file in test_files:
path = os.path.join(root, test_file)
name, ext = test_file.split('.')
if name not in tests:
tests[name] = path
else:
raise IpaUtilsException(
'Duplicate test file name found: %s, %s'
% (path, tests.get(name))
)
for description_file in description_files:
path = os.path.join(root, description_file)
name, ext = description_file.split('.')
if name in tests:
raise IpaUtilsException(
'Test description name matches test file: %s, %s'
% (path, tests.get(name))
)
elif name not in descriptions:
descriptions[name] = path
else:
raise IpaUtilsException(
'Duplicate test description file name found: %s, %s'
% (path, descriptions.get(name))
)
return tests, descriptions
def expand_test_files(test_dirs, names):
"""
Expand the list of test files and test descriptions.
The list is split on sync points and duplicates in
each set are removed.
Returns:
List of test files split into sets by sync points.
Raises:
IpaUtilsException: If names is not a list.
"""
if not isinstance(names, list):
raise IpaUtilsException(
'Names must be a list containing test names'
' and/or test descriptions.'
)
tests, descriptions = get_test_files(test_dirs)
expanded_names = []
for name in names:
if name in descriptions:
expanded_names += get_tests_from_description(
name,
descriptions
)
else:
expanded_names.append(name)
return parse_sync_points(expanded_names, tests)
def generate_public_ssh_key(ssh_private_key_file):
"""Generate SSH public key from private key file."""
try:
with open(ssh_private_key_file, "rb") as key_file:
key = key_file.read()
except FileNotFoundError:
raise IpaUtilsException('SSH private key file: %s cannot be found.' %
ssh_private_key_file)
try:
private_key = serialization.load_pem_private_key(
key, password=None, backend=default_backend())
except ValueError:
raise IpaUtilsException(
'SSH private key file: %s is not a valid key file.' %
ssh_private_key_file)
return private_key.public_key().public_bytes(
serialization.Encoding.OpenSSH, serialization.PublicFormat.OpenSSH)
def put_file(client, source_file, destination_file):
"""
Copy file to instance using Paramiko client connection.
"""
try:
sftp_client = client.open_sftp()
sftp_client.put(source_file, destination_file)
except Exception as error:
raise IpaUtilsException(
'Error copying file to instance: {0}.'.format(error))
finally:
with ignored(Exception):
sftp_client.close()
def get_yaml_config(config_path):
"""
Load yaml config file and return dictionary.
Todo:
* This will need refactoring similar to the test search.
"""
config_path = os.path.expanduser(config_path)
if not os.path.isfile(config_path):
raise IpaUtilsException('Config file not found: %s' % config_path)
with open(config_path, 'r') as f:
config = yaml.safe_load(f)
return config
def get_public_ssh_key(ssh_private_key_file):
"""Get SSH public key from private key file."""
pub_key = ssh_private_key_file + '.pub'
try:
with open(pub_key, "rb") as key_file:
key = key_file.read()
except FileNotFoundError:
raise IpaUtilsException(
'SSH public key file: {key_path} cannot be found.'.format(
key_path=pub_key
)
)
return key
def get_tests_from_description(name,
descriptions,
parsed=None):
"""
Recursively collect all tests in test description.
Args:
name (str): Yaml test description file name.
descriptions (dict): Dict of test description name
(key) and absolute file paths
(value).
parsed (list): List of description paths which have
already been parsed to prevent infinte
recursion.
Returns:
A list of expanded test files.
"""
tests = []
if not parsed:
parsed = []
description = descriptions.get(name, None)
if not description:
raise IpaUtilsException(
'Test description file with name: %s cannot be located.'
% name
)
if description in parsed:
return tests
parsed.append(description)
test_data = get_yaml_config(description)
if 'tests' in test_data:
tests += test_data.get('tests')
if 'include' in test_data:
for description_name in test_data.get('include'):
tests += get_tests_from_description(
description_name,
descriptions,
parsed
)
return tests
def find_test_file(name, tests):
"""
Find test file by name, given a list of tests.
If a specific test case is appended to test
name, split the case and append to path.
Raises:
IpaUtilsException: If test file not found.
"""
try:
test_name, test_case = name.split('::', 1)
except ValueError:
test_name, test_case = name, None
path = tests.get(test_name, None)
if not path:
raise IpaUtilsException('Test file with name: %s cannot be found.' %
test_name)
if test_case:
path = ''.join([path, '::', test_case])
return path
