Python3交互redis cluster

安装

pip install redis-py-cluster

示例代码

# pip install redis-py-cluster
from rediscluster import *

"""
redis 集群信息：
Using 3 masters:
192.168.196.131:7000
192.168.196.129:7003
192.168.196.131:7001
Adding replica 192.168.196.129:7004 to 192.168.196.131:7000
Adding replica 192.168.196.131:7002 to 192.168.196.129:7003
Adding replica 192.168.196.129:7005 to 192.168.196.131:7001
"""

if __name__ == '__main__':
    try:
        # 构建所有的节点，Redis会使⽤CRC16算法，将键和值写到某个节点上
        startup_nodes = [
            {'host': '192.168.196.131', 'port': '7000'},
            {'host': '192.168.196.129', 'port': '7003'},
            {'host': '192.168.196.131', 'port': '7001'},
        ]
        # 构建StrictRedisCluster对象
        src = StrictRedisCluster(startup_nodes=startup_nodes, decode_responses=True)
        # 设置键为key1、值为test-hello-world的数据
        result = src.set('key1', 'test-hello-world')
        print(result)
        # 获取键为name
        name = src.get('key1')
        print(name)
    except Exception as e:
        print(e)

运行如下：

封装类方法

# pip install redis-py-cluster
from rediscluster import *

"""
redis 集群信息：
Using 3 masters:
192.168.196.131:7000
192.168.196.129:7003
192.168.196.131:7001
Adding replica 192.168.196.129:7004 to 192.168.196.131:7000
Adding replica 192.168.196.131:7002 to 192.168.196.129:7003
Adding replica 192.168.196.129:7005 to 192.168.196.131:7001
"""

class redisClusterHelper():
    def __init__(self,startup_nodes):
        try:
            # 构建StrictRedisCluster对象
            self.src = StrictRedisCluster(startup_nodes=startup_nodes, decode_responses=True)
        except Exception as e:
            print(e)

    def set_key(self,key,value):
        return self.src.set(key, value)

    def get_key(self,key):
        return self.src.get(key)

if __name__ == '__main__':

    # 设置redis cluster集群的master节点
    startup_nodes = [
        {'host': '192.168.196.131', 'port': '7000'},
        {'host': '192.168.196.129', 'port': '7003'},
        {'host': '192.168.196.131', 'port': '7001'},
    ]

    # 创建redis cluster的连接
    rch = redisClusterHelper(startup_nodes)

    # 设置key值
    rch.set_key("test2","hello2")

    # 获取key值
    print(rch.get_key('test2'))

运行如下：