基于raft的分布式缓存demo raftCache

# raftCache 一个用来学习raft协议的demo，使用raft协议来构建一个分布式缓存，项目参考了[hraftd](https://github.com/otoolep/hraftd)。 ## 调试代码 **leader** 启动初始化节点node0 ```shell cd /cmd go run main.go -id node0 node0 ``` **follower** 加入多个follower node1 & node2 ```shell go run main.go -id node1 -haddr :11001 -raddr :12001 -join :11000 node1 go run main.go -id node2 -haddr :11002 -raddr :12002 -join :11000 node2 ``` 得到三个副本 ```shell ├── test_dbnode0 │ ├── raft-log.db │ ├── raft-stable.db │ └── snapshots ├── test_dbnode1 │ ├── raft-log.db │ ├── raft-stable.db │ └── snapshots └── test_dbnode2 ├── raft-log.db ├── raft-stable.db └── snapshots ``` ## 调试API 只能对leader节点发起**写**请求 > POST > 127.0.0.1:11000/v1/cache/key ```json { "value": "testNode0Value1" } ``` > DELETE > 127.0.0.1:11000/v1/cache/key 可以最任意一个节点发起**读**请求 > GET > 127.0.0.1:11000/v1/cache/key > 127.0.0.1:11001/v1/cache/key > 127.0.0.1:11002/v1/cache/key ```json { "key": "key", "value": { "value": "testNode0Value1" } } ```