55540e116e
The function copy.copy only copies reference and so if the object has dict or nested dicts, these instances can be modified by code that has reference to the original dict. Change-Id: Ib2680f09b5a5d45fd7180e95ab5fedef05664c5b Closes-Bug: #1503851
87 lines
2.7 KiB
Python
87 lines
2.7 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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# 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 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 copy
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import six
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from oslo_log import log as logging
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from mistral.db.v2 import api as db_api
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from mistral import exceptions as exc
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from mistral import utils
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LOG = logging.getLogger(__name__)
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def validate_input(definition, input, spec=None):
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input_param_names = copy.deepcopy(list((input or {}).keys()))
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missing_param_names = []
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spec_input = (spec.get_input() if spec else
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utils.get_dict_from_string(definition.input))
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for p_name, p_value in six.iteritems(spec_input):
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if p_value is utils.NotDefined and p_name not in input_param_names:
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missing_param_names.append(p_name)
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if p_name in input_param_names:
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input_param_names.remove(p_name)
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if missing_param_names or input_param_names:
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msg = 'Invalid input [name=%s, class=%s'
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msg_props = [definition.name, spec.__class__.__name__]
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if missing_param_names:
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msg += ', missing=%s'
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msg_props.append(missing_param_names)
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if input_param_names:
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msg += ', unexpected=%s'
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msg_props.append(input_param_names)
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msg += ']'
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raise exc.InputException(
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msg % tuple(msg_props)
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)
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else:
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utils.merge_dicts(input, spec_input, overwrite=False)
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def resolve_workflow_definition(parent_wf_name, parent_wf_spec_name,
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wf_spec_name):
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wf_def = None
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if parent_wf_name != parent_wf_spec_name:
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# If parent workflow belongs to a workbook then
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# check child workflow within the same workbook
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# (to be able to use short names within workbooks).
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# If it doesn't exist then use a name from spec
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# to find a workflow in DB.
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wb_name = parent_wf_name.rstrip(parent_wf_spec_name)[:-1]
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wf_full_name = "%s.%s" % (wb_name, wf_spec_name)
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wf_def = db_api.load_workflow_definition(wf_full_name)
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if not wf_def:
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wf_def = db_api.load_workflow_definition(wf_spec_name)
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if not wf_def:
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raise exc.WorkflowException(
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"Failed to find workflow [name=%s]" % wf_spec_name
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)
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return wf_def
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