fcd45511d8
* 'parameters' was not consistent with 'output' for actions and workflows. Change-Id: I74cbf7db37b0908225b97a60433b7da8c3c69b05
148 lines
3.8 KiB
Python
148 lines
3.8 KiB
Python
# Copyright 2013 - Mirantis, 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 json
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import jsonschema
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import re
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import six
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from mistral import exceptions as exc
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CMD_PTRN = re.compile("^[\w\.]+[^=\s\"]*")
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PARAMS_PTRN = re.compile("([\w]+)=(\"[^=]*\"|\'[^=]*'|"
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"\{[^=]*\}|\[[^=]*\]|[\.,:\w\d\.]*)")
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class BaseSpec(object):
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# See http://json-schema.org
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_schema = {
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"type": "object",
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}
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_version = "1.0"
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def __init__(self, data):
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self._data = data
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self.validate()
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def validate(self):
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try:
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jsonschema.validate(self._data, self._schema)
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except jsonschema.ValidationError as e:
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raise exc.InvalidModelException("Invalid DSL: %s" % e)
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def _spec_property(self, prop_name, spec_cls):
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prop_val = self._data.get(prop_name)
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return spec_cls(prop_val) if prop_val else None
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def _inject_version(self, prop_names):
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for prop_name in prop_names:
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prop_data = self._data.get(prop_name)
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if isinstance(prop_data, dict):
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prop_data['version'] = self._version
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def _as_dict(self, prop_name):
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prop_val = self._data.get(prop_name)
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if not prop_val:
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return {}
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if isinstance(prop_val, dict):
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return prop_val
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elif isinstance(prop_val, list):
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result = {}
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for t in prop_val:
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result.update(t if isinstance(t, dict) else {t: ''})
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return result
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elif isinstance(prop_val, six.string_types):
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return {prop_val: ''}
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def _as_list_of_tuples(self, prop_name):
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prop_val = self._data.get(prop_name)
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if not prop_val:
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return []
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return [self._as_tuple(item) for item in prop_val]
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@staticmethod
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def _as_tuple(val):
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return val.items()[0] if isinstance(val, dict) else (val, '')
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@staticmethod
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def _parse_cmd_and_input(cmd_str):
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# TODO(rakhmerov): Try to find a way with one expression.
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cmd_matcher = CMD_PTRN.search(cmd_str)
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if not cmd_matcher:
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msg = "Invalid action/workflow task property: %s" % cmd_str
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raise exc.InvalidModelException(msg)
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cmd = cmd_matcher.group()
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params = {}
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for k, v in re.findall(PARAMS_PTRN, cmd_str):
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# Remove embracing quotes.
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if v[0] == '"' or v[0] == "'":
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v = v[1:-1]
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else:
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try:
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v = json.loads(v)
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except Exception:
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pass
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params[k] = v
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return cmd, params
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def to_dict(self):
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return self._data
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def get_version(self):
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return self._version
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class BaseSpecList(object):
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item_class = None
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_version = '1.0'
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def __init__(self, data):
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self.items = {}
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for k, v in data.iteritems():
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if k != 'version':
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v['name'] = k
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v['version'] = self._version
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self.items[k] = self.item_class(v)
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def item_keys(self):
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return self.items.keys()
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def __iter__(self):
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return self.items.itervalues()
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def __getitem__(self, name):
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return self.items.get(name)
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def __len__(self):
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return len(self.items)
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def get(self, name):
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return self.__getitem__(name)
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