Resync with oslo-incubator.
This commit is contained in:
parent
aa29ab484e
commit
41f1940e49
@ -1,7 +1,7 @@
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[DEFAULT]
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# The list of modules to copy from oslo-incubator.git
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modules=excutils,install_venv_common
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modules=excutils,install_venv_common,exception,importutils,timeutils,uuidutils
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# The base module to hold the copy of openstack.common
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base=taskflow
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@ -1,19 +1,19 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Exceptions common to OpenStack projects
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@ -21,11 +21,122 @@ Exceptions common to OpenStack projects
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import logging
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from taskflow.openstack.common.gettextutils import _
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_FATAL_EXCEPTION_FORMAT_ERRORS = False
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class Error(Exception):
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def __init__(self, message=None):
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super(Error, self).__init__(message)
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class ApiError(Error):
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def __init__(self, message='Unknown', code='Unknown'):
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self.message = message
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self.code = code
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super(ApiError, self).__init__('%s: %s' % (code, message))
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class NotFound(Error):
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pass
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class UnknownScheme(Error):
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msg = "Unknown scheme '%s' found in URI"
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def __init__(self, scheme):
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msg = self.__class__.msg % scheme
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super(UnknownScheme, self).__init__(msg)
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class BadStoreUri(Error):
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msg = "The Store URI %s was malformed. Reason: %s"
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def __init__(self, uri, reason):
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msg = self.__class__.msg % (uri, reason)
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super(BadStoreUri, self).__init__(msg)
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class Duplicate(Error):
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pass
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class NotAuthorized(Error):
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pass
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class NotEmpty(Error):
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pass
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class Invalid(Error):
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pass
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class BadInputError(Exception):
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"""Error resulting from a client sending bad input to a server"""
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pass
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class MissingArgumentError(Error):
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pass
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class DatabaseMigrationError(Error):
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pass
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class ClientConnectionError(Exception):
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"""Error resulting from a client connecting to a server"""
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pass
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def wrap_exception(f):
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def _wrap(*args, **kw):
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try:
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return f(*args, **kw)
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except Exception as e:
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if not isinstance(e, Error):
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#exc_type, exc_value, exc_traceback = sys.exc_info()
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logging.exception(_('Uncaught exception'))
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#logging.error(traceback.extract_stack(exc_traceback))
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raise Error(str(e))
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raise
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_wrap.func_name = f.func_name
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return _wrap
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class OpenstackException(Exception):
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"""
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Base Exception
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To correctly use this class, inherit from it and define
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a 'message' property. That message will get printf'd
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with the keyword arguments provided to the constructor.
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"""
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message = "An unknown exception occurred"
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def __init__(self, **kwargs):
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try:
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self._error_string = self.message % kwargs
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except Exception as e:
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if _FATAL_EXCEPTION_FORMAT_ERRORS:
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raise e
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else:
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# at least get the core message out if something happened
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self._error_string = self.message
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def __str__(self):
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return self._error_string
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class MalformedRequestBody(OpenstackException):
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message = "Malformed message body: %(reason)s"
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class InvalidContentType(OpenstackException):
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message = "Invalid content type %(content_type)s"
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@ -3,17 +3,17 @@
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# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Import related utilities and helper functions.
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@ -42,10 +42,10 @@ def import_object(import_str, *args, **kwargs):
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def import_object_ns(name_space, import_str, *args, **kwargs):
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"""
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Import a class and return an instance of it, first by trying
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to find the class in a default namespace, then failing back to
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a full path if not found in the default namespace.
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"""
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Import a class and return an instance of it, first by trying
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to find the class in a default namespace, then failing back to
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a full path if not found in the default namespace.
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"""
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import_value = "%s.%s" % (name_space, import_str)
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try:
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return import_class(import_value)(*args, **kwargs)
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@ -65,4 +65,3 @@ def try_import(import_str, default=None):
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return import_module(import_str)
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except ImportError:
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return default
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@ -1,26 +1,97 @@
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# Copyright 2011 OpenStack Foundation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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Time related utilities and helper functions.
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"""
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import calendar
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import datetime
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import iso8601
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# ISO 8601 extended time format with microseconds
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_ISO8601_TIME_FORMAT_SUBSECOND = '%Y-%m-%dT%H:%M:%S.%f'
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_ISO8601_TIME_FORMAT = '%Y-%m-%dT%H:%M:%S'
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PERFECT_TIME_FORMAT = _ISO8601_TIME_FORMAT_SUBSECOND
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def isotime(at=None, subsecond=False):
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"""Stringify time in ISO 8601 format"""
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if not at:
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at = utcnow()
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st = at.strftime(_ISO8601_TIME_FORMAT
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if not subsecond
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else _ISO8601_TIME_FORMAT_SUBSECOND)
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tz = at.tzinfo.tzname(None) if at.tzinfo else 'UTC'
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st += ('Z' if tz == 'UTC' else tz)
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return st
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def parse_isotime(timestr):
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"""Parse time from ISO 8601 format"""
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try:
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return iso8601.parse_date(timestr)
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except iso8601.ParseError as e:
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raise ValueError(e.message)
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except TypeError as e:
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raise ValueError(e.message)
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def strtime(at=None, fmt=PERFECT_TIME_FORMAT):
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"""Returns formatted utcnow."""
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if not at:
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at = utcnow()
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return at.strftime(fmt)
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def parse_strtime(timestr, fmt=PERFECT_TIME_FORMAT):
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"""Turn a formatted time back into a datetime."""
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return datetime.datetime.strptime(timestr, fmt)
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def normalize_time(timestamp):
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"""Normalize time in arbitrary timezone to UTC naive object"""
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offset = timestamp.utcoffset()
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if offset is None:
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return timestamp
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return timestamp.replace(tzinfo=None) - offset
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def is_older_than(before, seconds):
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"""Return True if before is older than seconds."""
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if isinstance(before, basestring):
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before = parse_strtime(before).replace(tzinfo=None)
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return utcnow() - before > datetime.timedelta(seconds=seconds)
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def is_newer_than(after, seconds):
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"""Return True if after is newer than seconds."""
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if isinstance(after, basestring):
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after = parse_strtime(after).replace(tzinfo=None)
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return after - utcnow() > datetime.timedelta(seconds=seconds)
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def utcnow_ts():
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"""Timestamp version of our utcnow function."""
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return calendar.timegm(utcnow().timetuple())
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def utcnow():
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"""Overridable version of utils.utcnow."""
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if utcnow.override_time:
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@ -30,4 +101,86 @@ def utcnow():
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return utcnow.override_time
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return datetime.datetime.utcnow()
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def iso8601_from_timestamp(timestamp):
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"""Returns a iso8601 formated date from timestamp"""
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return isotime(datetime.datetime.utcfromtimestamp(timestamp))
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utcnow.override_time = None
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def set_time_override(override_time=datetime.datetime.utcnow()):
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"""
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Override utils.utcnow to return a constant time or a list thereof,
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one at a time.
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"""
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utcnow.override_time = override_time
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def advance_time_delta(timedelta):
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"""Advance overridden time using a datetime.timedelta."""
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assert(not utcnow.override_time is None)
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try:
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for dt in utcnow.override_time:
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dt += timedelta
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except TypeError:
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utcnow.override_time += timedelta
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def advance_time_seconds(seconds):
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"""Advance overridden time by seconds."""
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advance_time_delta(datetime.timedelta(0, seconds))
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def clear_time_override():
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"""Remove the overridden time."""
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utcnow.override_time = None
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def marshall_now(now=None):
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"""Make an rpc-safe datetime with microseconds.
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Note: tzinfo is stripped, but not required for relative times."""
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if not now:
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now = utcnow()
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return dict(day=now.day, month=now.month, year=now.year, hour=now.hour,
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minute=now.minute, second=now.second,
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microsecond=now.microsecond)
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def unmarshall_time(tyme):
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"""Unmarshall a datetime dict."""
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return datetime.datetime(day=tyme['day'],
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month=tyme['month'],
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year=tyme['year'],
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hour=tyme['hour'],
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minute=tyme['minute'],
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second=tyme['second'],
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microsecond=tyme['microsecond'])
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def delta_seconds(before, after):
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"""
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Compute the difference in seconds between two date, time, or
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datetime objects (as a float, to microsecond resolution).
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"""
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delta = after - before
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try:
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return delta.total_seconds()
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except AttributeError:
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return ((delta.days * 24 * 3600) + delta.seconds +
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float(delta.microseconds) / (10 ** 6))
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def is_soon(dt, window):
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"""
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Determines if time is going to happen in the next window seconds.
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:params dt: the time
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:params window: minimum seconds to remain to consider the time not soon
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:return: True if expiration is within the given duration
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"""
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soon = (utcnow() + datetime.timedelta(seconds=window))
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return normalize_time(dt) <= soon
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@ -3,17 +3,17 @@
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# Copyright (c) 2012 Intel Corporation.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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||||
# a copy of the License at
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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||||
# a copy of the License at
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||||
#
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||||
# http://www.apache.org/licenses/LICENSE-2.0
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# http://www.apache.org/licenses/LICENSE-2.0
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||||
#
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||||
# Unless required by applicable law or agreed to in writing, software
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||||
# 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.
|
||||
# Unless required by applicable law or agreed to in writing, software
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||||
# 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.
|
||||
|
||||
"""
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UUID related utilities and helper functions.
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@ -25,3 +25,15 @@ import uuid
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def generate_uuid():
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return str(uuid.uuid4())
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def is_uuid_like(val):
|
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"""Returns validation of a value as a UUID.
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For our purposes, a UUID is a canonical form string:
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aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa
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||||
"""
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try:
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return str(uuid.UUID(val)) == val
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except (TypeError, ValueError, AttributeError):
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return False
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|
@ -207,7 +207,8 @@ class Fedora(Distro):
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This can be removed when the fix is applied upstream.
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||||
Nova: https://bugs.launchpad.net/nova/+bug/884915
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Upstream: https://bitbucket.org/which_linden/eventlet/issue/89
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Upstream: https://bitbucket.org/eventlet/eventlet/issue/89
|
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RHEL: https://bugzilla.redhat.com/958868
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"""
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# Install "patch" program if it's not there
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@ -1,5 +1,6 @@
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# Packages needed for using this library.
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oslo.config>=1.1.0
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iso8601
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networkx
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# Only needed if celery/distributed flows used.
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celery
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