diff options
Diffstat (limited to 'app/toscalib/utils/tosca_operate.py')
| -rw-r--r-- | app/toscalib/utils/tosca_operate.py | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/app/toscalib/utils/tosca_operate.py b/app/toscalib/utils/tosca_operate.py new file mode 100644 index 0000000..bc67310 --- /dev/null +++ b/app/toscalib/utils/tosca_operate.py @@ -0,0 +1,94 @@ +#Author: Shu Shi +#emaiL: shushi@research.att.com + + +from toscalib.templates.node import Node +import copy, logging +#from __builtin__ import False + +def _create_new_node(template, type_name, node_name = None): + db = template.db +# if db.NODE_TYPES.has_key(type_name) is False: + if type_name not in db.NODE_TYPES: + new_name = 'unknown_'+ str(template.node_index) + template.node_index = template.node_index + 1 + new_node = Node(template, new_name, None) + logging.debug( 'New node: '+ new_name+ ' added') + return new_node + + if node_name is None: + new_name = _get_basename(db.NODE_TYPES[type_name].name) + '_' + str(template.node_index) + template.node_index = template.node_index + 1 + else: + new_name = node_name + + new_node = Node(template, new_name, db.NODE_TYPES[type_name]) + + template._add_node(new_node) + + logging.debug( 'New node: '+ new_name+ ' added') + return new_node + + +def _create_new_template(template, type_name, prefix_name = None): + db = template.db + if prefix_name is None: + prefix = db.TEMPLATES[type_name].name + '_' + str(template.temp_index) + '_' + template.temp_index = template.temp_index + 1 + elif prefix_name == 'NO_PREFIX': + prefix = '' + else: + prefix = prefix_name + + new_temp = copy.deepcopy(db.TEMPLATES[type_name]) + new_temp._update_prefix(prefix) + template.inputs.update(new_temp.inputs) + template.outputs.update(new_temp.outputs) + template.node_dict.update(new_temp.node_dict) + return template + +def _assign_property_value(node, property_name, value): +# if node.properties.has_key(property_name) is False: + if property_name not in node.properties: + logging.warning( 'No property with name '+ property_name+ ' in the node '+ node.name) + return False + return node.properties[property_name]._assign(value) + +def _assign_capability_property_value(node, cap_name, prop_name, value): +# if node.capabilities.has_key(cap_name) is False: + if cap_name not in node.capabilities: + logging.warning( 'No capability with name '+ cap_name+ ' in the node '+ node.name) + return False + cap_item = node.capabilities[cap_name] +# if cap_item.properties.has_key(prop_name) is False: + if prop_name not in cap_item.properties: + logging.warning( 'No propoerty with name'+ prop_name+ ' in the node '+ node.name+ ' capability '+ cap_name) + return False + return cap_item.properties[prop_name]._assign(value) + +def _assign_requirement_value(node, requirement_name, value): + + requirement_found = False + for req in node.requirements: + if req.name == requirement_name: + requirement_found = req + break + if requirement_found is False: + logging.warning( 'No requirement with name '+ requirement_name+ ' in the node '+ node.name) + return False + if isinstance(value, Node) is False: + logging.warning( 'Node value should be passed to requirement assignment') + return False + else: + if requirement_found._verify_node(value): + requirement_found._assign(value) + else: + logging.warning( 'Invalid requirement fulfillment for node '+ node.name+ '->'+ requirement_name) + + + return True + +def _get_basename(name): + names = name.split(".") + return names[len(names)-1] +
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