Remove rspamd history values from redis database after x hours

history-clean.go

package main

import (
	"encoding/json"
	"os"
	"time"

	"github.com/mediocregopher/radix.v2/redis"
)

func main() {
	const dataset string = "rs_historyHOSTNAME"
	const hours int = 24
	var j interface{}
	var r *redis.Resp
	client, err := redis.Dial("unix", "/var/run/redis/redis.sock")

	if err != nil {
		panic(err)
	}
	for {
		r = client.Cmd("lindex", dataset, "-1")
		if r.Err != nil {
			panic(r.Err)
		}

		b, err := r.Bytes()
		err = json.Unmarshal(b, &j)

		if err != nil {
			os.Exit(1)
		}

		j_ta := j.(map[string]interface{})
		timestamp_int := (int64)(j_ta["unix_time"].(float64))

		mailtime := time.Unix(timestamp_int, 0).Add(time.Duration(hours) * time.Hour)

		if mailtime.Before(time.Now()) {
			if client.Cmd("RPOP", dataset).Err != nil {
				os.Exit(3)
			}
		} else {
			break
		}
	}
}