49baf0311e
* Now if direct workflow graph doesn't have start tasks (ones with no inbound transitions) then an exception gets raised. * Refactoring workflow specifications: moving specification related method from direct workflow controller into workflow specification. * Implemented the mechanism of polymorphic DSL entities. At this point there's a hierarchy of specification classes to represent different types of workflow. * Specification validation logic is now explicitly split into two methods: validate_schema() and validate_semantics() where the second one is supposed to implement integrity checks and other more high-level rules that are impossible to define in JSON schema. * Other minor refactoring and style changes. Change-Id: I60937b77e39133e3b254fed574e6aec6aa402eb0
95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
# Copyright 2014 - Mirantis, Inc.
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# Copyright 2015 - StackStorm, Inc.
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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 six
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from mistral import utils
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from mistral.workbook import types
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from mistral.workbook.v2 import base
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class ActionSpec(base.BaseSpec):
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# See http://json-schema.org
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_schema = {
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"type": "object",
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"properties": {
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"base": types.NONEMPTY_STRING,
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"base-input": types.NONEMPTY_DICT,
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"input": types.UNIQUE_STRING_OR_ONE_KEY_DICT_LIST,
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"output": types.ANY_NULLABLE,
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},
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"required": ["base"],
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"additionalProperties": False
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}
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def __init__(self, data):
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super(ActionSpec, self).__init__(data)
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self._name = data['name']
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self._description = data.get('description')
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self._tags = data.get('tags', [])
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self._base = data['base']
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self._base_input = data.get('base-input', {})
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self._input = utils.get_input_dict(data.get('input', []))
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self._output = data.get('output')
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self._base, _input = self._parse_cmd_and_input(self._base)
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utils.merge_dicts(self._base_input, _input)
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def validate_schema(self):
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super(ActionSpec, self).validate_schema()
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# Validate YAQL expressions.
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inline_params = self._parse_cmd_and_input(self._data.get('base'))[1]
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self.validate_yaql_expr(inline_params)
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self.validate_yaql_expr(self._data.get('base-input', {}))
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if isinstance(self._data.get('output'), six.string_types):
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self.validate_yaql_expr(self._data.get('output'))
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def get_name(self):
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return self._name
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def get_description(self):
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return self._description
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def get_tags(self):
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return self._tags
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def get_base(self):
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return self._base
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def get_base_input(self):
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return self._base_input
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def get_input(self):
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return self._input
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def get_output(self):
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return self._output
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class ActionSpecList(base.BaseSpecList):
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item_class = ActionSpec
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class ActionListSpec(base.BaseListSpec):
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item_class = ActionSpec
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def get_actions(self):
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return self.get_items()
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