b350bfe6ba
Port and modify the quota management code mostly from Cinder, for Cinder has implemented for hierarchy multi-tenancy quota management The code is modified as following: 1. combine the Nova quota resources 2. add AllQuotaEngine and QuotaSetOperation 3. not implemented the volume_type, user based quota management 4. not process is_force 5. update and add test use cases to reflect the new added code and resources The quota management and control in Tricircle is described in the design doc: https://docs.google.com/document/d/18kZZ1snMOCD9IQvUKI5NVDzSASpw-QKj7l2zNqMEd3g/ BP: https://blueprints.launchpad.net/tricircle/+spec/implement-stateless Change-Id: I636d21b5bd7e51949f1431d642dac49321496fbd Signed-off-by: Chaoyi Huang <joehuang@huawei.com>
84 lines
2.5 KiB
Python
84 lines
2.5 KiB
Python
# Copyright 2015 Huawei Technologies Co., Ltd.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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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#
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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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import six
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from tricircle.common.i18n import _
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def get_import_path(cls):
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return cls.__module__ + "." + cls.__name__
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def get_ag_name(pod_name):
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return 'ag_%s' % pod_name
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def get_az_name(pod_name):
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return 'az_%s' % pod_name
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def get_node_name(pod_name):
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return "cascade_%s" % pod_name
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def validate_required_fields_set(body, fields):
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for field in fields:
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if field not in body:
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return False
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return True
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TRUE_STRINGS = ('1', 't', 'true', 'on', 'y', 'yes')
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FALSE_STRINGS = ('0', 'f', 'false', 'off', 'n', 'no')
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def is_valid_boolstr(val):
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"""Check if the provided string is a valid bool string or not."""
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val = str(val).lower()
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return (val in TRUE_STRINGS) or (val in FALSE_STRINGS)
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def bool_from_string(subject, strict=False, default=False):
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"""Interpret a string as a boolean.
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A case-insensitive match is performed such that strings matching 't',
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'true', 'on', 'y', 'yes', or '1' are considered True and, when
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`strict=False`, anything else returns the value specified by 'default'.
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Useful for JSON-decoded stuff and config file parsing.
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If `strict=True`, unrecognized values, including None, will raise a
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ValueError which is useful when parsing values passed in from an API call.
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Strings yielding False are 'f', 'false', 'off', 'n', 'no', or '0'.
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"""
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if not isinstance(subject, six.string_types):
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subject = six.text_type(subject)
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lowered = subject.strip().lower()
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if lowered in TRUE_STRINGS:
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return True
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elif lowered in FALSE_STRINGS:
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return False
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elif strict:
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acceptable = ', '.join(
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"'%s'" % s for s in sorted(TRUE_STRINGS + FALSE_STRINGS))
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msg = _("Unrecognized value '%(val)s', acceptable values are:"
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" %(acceptable)s") % {'val': subject,
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'acceptable': acceptable}
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raise ValueError(msg)
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else:
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return default
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