81 lines
2.3 KiB
Bash
81 lines
2.3 KiB
Bash
#!/bin/bash
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# Redis主从复制配置脚本
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# 用途：配置Redis主从复制
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set -e
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MASTER_IP="172.16.0.67"
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SLAVE_IP="172.16.0.68"
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REDIS_PASSWORD="Hzdyjs@123456"
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echo "=========================================="
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echo "Redis主从复制配置脚本"
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echo "=========================================="
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# 检查当前机器IP
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CURRENT_IP=$(hostname -I | awk '{print $1}')
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echo "当前机器IP: $CURRENT_IP"
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if [ "$CURRENT_IP" = "$MASTER_IP" ]; then
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echo "配置主节点 (Master)..."
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# 1. 配置主节点redis.conf
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REDIS_CONF="/etc/redis.conf"
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if [ ! -f "$REDIS_CONF" ]; then
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REDIS_CONF="/etc/redis/redis.conf"
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fi
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# 备份原配置
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cp "$REDIS_CONF" "${REDIS_CONF}.backup.$(date +%Y%m%d_%H%M%S)"
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# 修改配置
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sed -i "s/^# bind 127.0.0.1/bind 0.0.0.0/" "$REDIS_CONF"
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sed -i "s/^# requirepass.*/requirepass $REDIS_PASSWORD/" "$REDIS_CONF"
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sed -i "s/^# masterauth.*/masterauth $REDIS_PASSWORD/" "$REDIS_CONF"
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# 2. 重启Redis
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systemctl restart redis
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sleep 3
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echo "主节点配置完成！"
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elif [ "$CURRENT_IP" = "$SLAVE_IP" ]; then
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echo "配置从节点 (Slave)..."
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# 1. 配置从节点redis.conf
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REDIS_CONF="/etc/redis.conf"
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if [ ! -f "$REDIS_CONF" ]; then
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REDIS_CONF="/etc/redis/redis.conf"
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fi
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# 备份原配置
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cp "$REDIS_CONF" "${REDIS_CONF}.backup.$(date +%Y%m%d_%H%M%S)"
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# 修改配置
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sed -i "s/^# bind 127.0.0.1/bind 0.0.0.0/" "$REDIS_CONF"
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sed -i "s/^# requirepass.*/requirepass $REDIS_PASSWORD/" "$REDIS_CONF"
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sed -i "s/^# replicaof.*/replicaof $MASTER_IP 6379/" "$REDIS_CONF"
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sed -i "s/^# masterauth.*/masterauth $REDIS_PASSWORD/" "$REDIS_CONF"
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# 2. 重启Redis
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systemctl restart redis
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sleep 3
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# 3. 验证主从状态
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echo "验证主从复制状态..."
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redis-cli -a "$REDIS_PASSWORD" INFO replication | grep -E "role|master_host|master_port|master_link_status"
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echo "从节点配置完成！"
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else
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echo "错误：当前机器IP ($CURRENT_IP) 不在配置范围内"
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exit 1
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fi
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echo "=========================================="
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echo "使用以下命令测试主从复制："
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echo "主节点: redis-cli -a $REDIS_PASSWORD set test_key 'test_value'"
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echo "从节点: redis-cli -a $REDIS_PASSWORD get test_key"
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echo "=========================================="
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