diff options
Diffstat (limited to 'tosca2heat/heat-translator-0.3.0/translator/hot/translate_inputs.py')
| -rw-r--r-- | tosca2heat/heat-translator-0.3.0/translator/hot/translate_inputs.py | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/tosca2heat/heat-translator-0.3.0/translator/hot/translate_inputs.py b/tosca2heat/heat-translator-0.3.0/translator/hot/translate_inputs.py new file mode 100644 index 0000000..ea9f990 --- /dev/null +++ b/tosca2heat/heat-translator-0.3.0/translator/hot/translate_inputs.py @@ -0,0 +1,153 @@ +# +# Licensed under the Apache License, Version 2.0 (the "License"); you may +# not use this file except in compliance with the License. You may obtain +# a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# 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. + +import logging +from toscaparser.dataentity import DataEntity +from toscaparser.elements.scalarunit import ScalarUnit_Size +from toscaparser.utils.gettextutils import _ +from toscaparser.utils.validateutils import TOSCAVersionProperty +from translator.hot.syntax.hot_parameter import HotParameter + + +INPUT_CONSTRAINTS = (CONSTRAINTS, DESCRIPTION, LENGTH, RANGE, + MIN, MAX, ALLOWED_VALUES, ALLOWED_PATTERN) = \ + ('constraints', 'description', 'length', 'range', + 'min', 'max', 'allowed_values', 'allowed_pattern') + +TOSCA_CONSTRAINT_OPERATORS = (EQUAL, GREATER_THAN, GREATER_OR_EQUAL, LESS_THAN, + LESS_OR_EQUAL, IN_RANGE, VALID_VALUES, LENGTH, + MIN_LENGTH, MAX_LENGTH, PATTERN) = \ + ('equal', 'greater_than', 'greater_or_equal', + 'less_than', 'less_or_equal', 'in_range', + 'valid_values', 'length', 'min_length', + 'max_length', 'pattern') + +TOSCA_TO_HOT_CONSTRAINTS_ATTRS = {'equal': 'allowed_values', + 'greater_than': 'range', + 'greater_or_equal': 'range', + 'less_than': 'range', + 'less_or_equal': 'range', + 'in_range': 'range', + 'valid_values': 'allowed_values', + 'length': 'length', + 'min_length': 'length', + 'max_length': 'length', + 'pattern': 'allowed_pattern'} + +TOSCA_TO_HOT_INPUT_TYPES = {'string': 'string', + 'integer': 'number', + 'float': 'number', + 'boolean': 'boolean', + 'timestamp': 'string', + 'scalar-unit.size': 'number', + 'version': 'string', + 'null': 'string', + 'PortDef': 'number'} + +log = logging.getLogger('heat-translator') + + +class TranslateInputs(object): + '''Translate TOSCA Inputs to Heat Parameters.''' + + def __init__(self, inputs, parsed_params): + self.inputs = inputs + self.parsed_params = parsed_params + + def translate(self): + return self._translate_inputs() + + def _translate_inputs(self): + hot_inputs = [] + hot_default = None + for input in self.inputs: + hot_input_type = TOSCA_TO_HOT_INPUT_TYPES[input.type] + + if input.name in self.parsed_params: + hot_default = DataEntity.validate_datatype( + input.type, self.parsed_params[input.name]) + elif input.default is not None: + hot_default = DataEntity.validate_datatype(input.type, + input.default) + else: + log.warning(_("Need to specify a value " + "for input {0}").format(input.name)) + raise Exception(_("Need to specify a value " + "for input {0}").format(input.name)) + if input.type == "scalar-unit.size": + # Assumption here is to use this scalar-unit.size for size of + # cinder volume in heat templates and will be in GB. + # should add logic to support other types if needed. + input_value = hot_default + hot_default = (ScalarUnit_Size(hot_default). + get_num_from_scalar_unit('GiB')) + if hot_default == 0: + log.warning(_('Unit value should be > 0.')) + raise Exception(_( + 'Unit value should be > 0.')) + elif int(hot_default) < hot_default: + hot_default = int(hot_default) + 1 + log.warning(_("Cinder unit value should be in multiples" + " of GBs. So corrected %(input_value)s " + "to %(hot_default)s GB.") + % {'input_value': input_value, + 'hot_default': hot_default}) + if input.type == 'version': + hot_default = TOSCAVersionProperty(hot_default).get_version() + + hot_constraints = [] + if input.constraints: + for constraint in input.constraints: + constraint.validate(hot_default) + hc, hvalue = self._translate_constraints( + constraint.constraint_key, constraint.constraint_value) + hot_constraints.append({hc: hvalue}) + + hot_inputs.append(HotParameter(name=input.name, + type=hot_input_type, + description=input.description, + default=hot_default, + constraints=hot_constraints)) + return hot_inputs + + def _translate_constraints(self, name, value): + hot_constraint = TOSCA_TO_HOT_CONSTRAINTS_ATTRS[name] + + # Offset used to support less_than and greater_than. + # TODO(anyone): when parser supports float, verify this works + offset = 1 + + if name == EQUAL: + hot_value = [value] + elif name == GREATER_THAN: + hot_value = {"min": value + offset} + elif name == GREATER_OR_EQUAL: + hot_value = {"min": value} + elif name == LESS_THAN: + hot_value = {"max": value - offset} + elif name == LESS_OR_EQUAL: + hot_value = {"max": value} + elif name == IN_RANGE: + # value is list type here + min_value = min(value) + max_value = max(value) + hot_value = {"min": min_value, "max": max_value} + elif name == LENGTH: + hot_value = {"min": value, "max": value} + elif name == MIN_LENGTH: + hot_value = {"min": value} + elif name == MAX_LENGTH: + hot_value = {"max": value} + else: + hot_value = value + return hot_constraint, hot_value |