38 lines
826 B
Go
38 lines
826 B
Go
package redis
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import (
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"common/log"
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"context"
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"errors"
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"time"
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)
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var ReleaseLockExpire = errors.New("release redis lock expire key")
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func Acquire(ctx context.Context, key string, tag string, expiration time.Duration) (bool, error) {
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success, err := redisClient.SetNX(ctx, key, tag, expiration).Result()
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return success, err
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}
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func Release(ctx context.Context, key string, tag string) error {
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script := `
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if redis.call("GET", KEYS[1]) == ARGV[1] then
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return redis.call("DEL", KEYS[1])
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else
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return 0
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end`
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// 执行 Lua 脚本
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result, err := redisClient.Eval(ctx, script, []string{key}, tag).Result()
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if err != nil {
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return err
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}
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// 检查返回值
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if result == int64(0) {
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log.Errorf("release redis lock expire key :%v", key)
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return ReleaseLockExpire
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}
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return nil
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}
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