树萌芽
6b3fcc1791
Remove InfoGenie-frontend and Go .env from version control; add .env.example templates; ignore .claude local settings. Admin UI reads site gate from env only. Note: rotate secrets if repo history was ever public. Made-with: Cursor
85 lines
2.0 KiB
Go
85 lines
2.0 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"strconv"
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"strings"
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"time"
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"github.com/redis/go-redis/v9"
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)
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// 用法: go run . <host:port> [password]
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// 例: go run . 10.1.1.100:6379
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func main() {
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addr := "10.1.1.100:6379"
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pass := os.Getenv("REDIS_PASSWORD")
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if len(os.Args) >= 2 {
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addr = os.Args[1]
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}
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if len(os.Args) >= 3 {
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pass = os.Args[2]
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}
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ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
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defer cancel()
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r := redis.NewClient(&redis.Options{Addr: addr, Password: pass})
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defer r.Close()
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if err := r.Ping(ctx).Err(); err != nil {
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fmt.Fprintf(os.Stderr, "连接失败 %s: %v\n", addr, err)
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os.Exit(1)
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}
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s, err := r.Info(ctx, "keyspace").Result()
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if err != nil {
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fmt.Fprintf(os.Stderr, "INFO keyspace: %v\n", err)
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os.Exit(1)
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}
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used := make(map[int]int64)
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for _, line := range strings.Split(s, "\r\n") {
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line = strings.TrimSpace(line)
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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if !strings.HasPrefix(line, "db") {
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continue
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}
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colon := strings.IndexByte(line, ':')
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if colon <= 2 {
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continue
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}
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dbStr := line[2:colon]
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dbNum, err := strconv.Atoi(dbStr)
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if err != nil {
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continue
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}
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var keys int64
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for _, part := range strings.Split(line[colon+1:], ",") {
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part = strings.TrimSpace(part)
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if strings.HasPrefix(part, "keys=") {
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keys, _ = strconv.ParseInt(strings.TrimPrefix(part, "keys="), 10, 64)
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break
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}
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}
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used[dbNum] = keys
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}
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fmt.Printf("Redis %s — 逻辑库 key 统计(INFO keyspace)\n\n", addr)
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for i := 0; i < 16; i++ {
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k, ok := used[i]
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if !ok {
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fmt.Printf(" db%-2d : 无记录(通常为 0 个 key / 未写入过)\n", i)
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} else if k == 0 {
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fmt.Printf(" db%-2d : 0 keys\n", i)
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} else {
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fmt.Printf(" db%-2d : %d keys (已占用)\n", i, k)
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}
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}
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fmt.Println()
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fmt.Println("说明: Redis 默认 16 个逻辑库(0-15)；「无记录」一般可当空闲选用。")
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fmt.Println("若 redis.conf 里 databases=N，实际库数量可能更大，可用 redis-cli CONFIG GET databases 查看。")
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}
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