28 lines
839 B
Bash
28 lines
839 B
Bash
#!/bin/bash
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echo "=== Docker 网络诊断 ==="
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echo ""
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echo "1. Docker0 网桥 IP:"
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ip addr show docker0 2>/dev/null | grep -oP '(?<=inet\s)\d+(\.\d+){3}' || echo "❌ docker0 不存在"
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echo ""
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echo "2. MySQL 监听状态:"
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sudo netstat -tlnp | grep 3306 || echo "❌ MySQL 未运行或未监听 3306"
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echo ""
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echo "3. MySQL 用户权限:"
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mysql -u root -p -e "SELECT user, host FROM mysql.user WHERE user='railway';" 2>/dev/null || echo "❌ 无法查询（需要 root 密码）"
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echo ""
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echo "4. 测试从容器连接 MySQL:"
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DOCKER0_IP=$(ip addr show docker0 | grep -oP '(?<=inet\s)\d+(\.\d+){3}')
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if [ ! -z "$DOCKER0_IP" ]; then
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docker run --rm mysql:8.0 mysql -h $DOCKER0_IP -u railway -p'Railway01.' -e "SELECT 'OK' as status;" 2>&1
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else
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echo "❌ 无法获取 docker0 IP"
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fi
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echo ""
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echo "=== 诊断完成 ==="
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