| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You 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. |
| """ |
| Provides with different tools for operations. |
| """ |
| |
| from . import operation |
| |
| |
| class NodeToolBelt(object): |
| """ |
| Node operation related tool belt |
| """ |
| def __init__(self, operation_context): |
| self._op_context = operation_context |
| |
| @property |
| def host_ip(self): |
| """ |
| The host ip of the current node |
| :return: |
| """ |
| assert isinstance(self._op_context, operation.NodeOperationContext) |
| return self._op_context.node.host.attributes.get('ip') |
| |
| |
| class RelationshipToolBelt(object): |
| """ |
| Relationship operation related tool belt |
| """ |
| def __init__(self, operation_context): |
| self._op_context = operation_context |
| |
| |
| def toolbelt(operation_context): |
| """ |
| Get a toolbelt according to the current operation executor |
| :param operation_context: |
| :return: |
| """ |
| if isinstance(operation_context, operation.NodeOperationContext): |
| return NodeToolBelt(operation_context) |
| elif isinstance(operation_context, operation.RelationshipOperationContext): |
| return RelationshipToolBelt(operation_context) |
| else: |
| raise RuntimeError("Operation context not supported") |