64 lines
1.9 KiB
Bash
Executable File
64 lines
1.9 KiB
Bash
Executable File
#!/bin/bash
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echo "🚀 Consul 集群演示脚本"
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# 检查 Consul 集群状态
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check_cluster() {
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echo "📊 检查集群状态..."
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for node in consul1 consul2 consul3; do
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echo "检查节点: $node"
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curl -s http://$node:8500/v1/status/leader 2>/dev/null && echo " - Leader: $(curl -s http://$node:8500/v1/status/leader 2>/dev/null)" || echo " - 节点不可达"
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curl -s http://$node:8500/v1/status/peers 2>/dev/null && echo " - 集群节点: $(curl -s http://$node:8500/v1/status/peers 2>/dev/null)" || echo " - 无法获取集群信息"
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echo ""
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done
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}
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# 测试配置读写
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test_config() {
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echo "🔧 测试配置读写..."
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# 写入配置到不同节点
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echo "写入配置到 consul1..."
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curl -X PUT http://consul1:8500/v1/kv/test/config "value-from-consul1" 2>/dev/null
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echo "从 consul2 读取配置..."
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value=$(curl -s http://consul2:8500/v1/kv/test/config?raw 2>/dev/null)
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echo "读取到的值: $value"
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echo "从 consul3 读取配置..."
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value=$(curl -s http://consul3:8500/v1/kv/test/config?raw 2>/dev/null)
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echo "读取到的值: $value"
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}
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# 模拟故障转移
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simulate_failure() {
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echo "💥 模拟 Leader 故障..."
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# 获取当前 Leader
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leader=$(curl -s http://consul1:8500/v1/status/leader 2>/dev/null | tr -d '"')
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echo "当前 Leader: $leader"
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# 这里只是演示，实际环境中你可以停止 Leader 节点
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echo "在实际环境中，你可以："
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echo "docker stop consul-leader-container"
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echo "然后观察其他节点自动选举新 Leader"
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}
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case "$1" in
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"status")
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check_cluster
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;;
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"test")
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test_config
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;;
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"failure")
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simulate_failure
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;;
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*)
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echo "用法: $0 {status|test|failure}"
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echo " status - 检查集群状态"
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echo " test - 测试配置同步"
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echo " failure - 模拟故障转移"
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;;
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esac |