35979b1e02
Adds support for packages consisting of single HOT template. Most of HOT features are supported with exception of environments, attachments and JSON parameter type. Implements: blueprint hot-packages Change-Id: I927af0e96f1613e8843ac47844e9c19fa00fdaa6
149 lines
4.8 KiB
Python
149 lines
4.8 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import itertools
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import types
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import eventlet
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import yaql.context
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import yaql.exceptions
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import murano.dsl.exceptions as exceptions
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import murano.dsl.helpers as helpers
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import murano.dsl.murano_object as murano_object
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def _resolve(name, obj):
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@yaql.context.EvalArg('this', murano_object.MuranoObject)
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@yaql.context.ContextAware()
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def invoke(context, this, *args):
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try:
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executor = helpers.get_executor(context)
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murano_class = helpers.get_type(context)
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return executor.invoke_method(name, this, context,
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murano_class, *args)
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except exceptions.NoMethodFound:
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raise yaql.exceptions.YaqlExecutionException()
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except exceptions.AmbiguousMethodName:
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raise yaql.exceptions.YaqlExecutionException()
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if not isinstance(obj, murano_object.MuranoObject):
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return None
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return invoke
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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def _id(value):
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return value.object_id
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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@yaql.context.EvalArg('type', str)
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@yaql.context.ContextAware()
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def _cast(context, value, type):
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if not '.' in type:
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murano_class = context.get_data('$?type')
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type = murano_class.namespace_resolver.resolve_name(type)
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class_loader = helpers.get_class_loader(context)
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return value.cast(class_loader.get_class(type))
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@yaql.context.EvalArg('name', str)
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@yaql.context.ContextAware()
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def _new(context, name, *args):
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murano_class = helpers.get_type(context)
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name = murano_class.namespace_resolver.resolve_name(name)
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parameters = {}
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arg_values = [t() for t in args]
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if len(arg_values) == 1 and isinstance(
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arg_values[0], types.DictionaryType):
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parameters = arg_values[0]
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elif len(arg_values) > 0:
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for p in arg_values:
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if not isinstance(p, types.TupleType) or \
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not isinstance(p[0], types.StringType):
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raise SyntaxError()
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parameters[p[0]] = p[1]
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object_store = helpers.get_object_store(context)
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class_loader = helpers.get_class_loader(context)
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new_context = yaql.context.Context(parent_context=context)
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for key, value in parameters.iteritems():
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new_context.set_data(value, key)
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return class_loader.get_class(name).new(
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None, object_store, new_context, parameters=parameters)
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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def _super(value):
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return [value.cast(type) for type in value.type.parents]
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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def _super2(value, func):
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return itertools.imap(func, _super(value))
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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def _psuper2(value, func):
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helpers.parallel_select(_super(value), func)
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@yaql.context.EvalArg('value', object)
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def _require(value):
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if value is None:
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raise ValueError()
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return value
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@yaql.context.EvalArg('obj', murano_object.MuranoObject)
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@yaql.context.EvalArg('class_name', str)
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@yaql.context.ContextAware()
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def _get_container(context, obj, class_name):
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namespace_resolver = helpers.get_type(context).namespace_resolver
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class_loader = helpers.get_class_loader(context)
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class_name = namespace_resolver.resolve_name(class_name)
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murano_class = class_loader.get_class(class_name)
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p = obj.parent
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while p is not None:
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if murano_class.is_compatible(p):
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return p
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p = p.parent
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return None
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@yaql.context.EvalArg('seconds', (int, float))
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def _sleep(seconds):
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eventlet.sleep(seconds)
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@yaql.context.EvalArg('value', murano_object.MuranoObject)
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def _type(value):
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return value.type.name
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def register(context):
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context.register_function(_resolve, '#resolve')
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context.register_function(_cast, 'cast')
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context.register_function(_new, 'new')
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context.register_function(_id, 'id')
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context.register_function(_super2, 'super')
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context.register_function(_psuper2, 'psuper')
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context.register_function(_super, 'super')
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context.register_function(_require, 'require')
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context.register_function(_get_container, 'find')
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context.register_function(_sleep, 'sleep')
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context.register_function(_type, 'type')
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