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Change circle interval to crontab expression.

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This commit is contained in:
MikoyChinese 2022-01-11 18:15:43 +08:00
parent 3a916886e8
commit 9af8bb8c18
2 changed files with 29 additions and 8 deletions
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34
model/rule.go
View File

@ -5,6 +5,7 @@ import (
"time"
"gorm.io/gorm"
"github.com/gorhill/cronexpr"
)
const (
@ -24,7 +25,7 @@ type Rule struct {
Min float64 `json:"min,omitempty"` // 最小阈值 (百分比、字节 kb ÷ 1024)
Max float64 `json:"max,omitempty"` // 最大阈值 (百分比、字节 kb ÷ 1024)
CycleStart time.Time `json:"cycle_start,omitempty"` // 流量统计的开始时间
CycleInterval uint64 `json:"cycle_interval,omitempty"` // 流量统计周期
CycleInterval string `json:"cycle_interval,omitempty"` // crontab 表达式
Duration uint64 `json:"duration,omitempty"` // 持续时间 (秒)
Cover uint64 `json:"cover,omitempty"` // 覆盖范围 RuleCoverAll/IgnoreAll
Ignore map[uint64]bool `json:"ignore,omitempty"` // 覆盖范围的排除
@ -88,21 +89,21 @@ func (u *Rule) Snapshot(cycleTransferStats *CycleTransferStats, server *Server,
}
case "transfer_in_cycle":
src = float64(server.State.NetInTransfer - uint64(server.PrevHourlyTransferIn))
if u.CycleInterval != 1 {
if u.CycleInterval != nil {
var res NResult
db.Model(&Transfer{}).Select("SUM(`in`) AS n").Where("created_at > ? AND server_id = ?", u.GetTransferDurationStart(), server.ID).Scan(&res)
src += float64(res.N)
}
case "transfer_out_cycle":
src = float64(server.State.NetOutTransfer - uint64(server.PrevHourlyTransferOut))
if u.CycleInterval != 1 {
if u.CycleInterval != nil {
var res NResult
db.Model(&Transfer{}).Select("SUM(`out`) AS n").Where("created_at > ? AND server_id = ?", u.GetTransferDurationStart(), server.ID).Scan(&res)
src += float64(res.N)
}
case "transfer_all_cycle":
src = float64(server.State.NetOutTransfer - uint64(server.PrevHourlyTransferOut) + server.State.NetInTransfer - uint64(server.PrevHourlyTransferIn))
if u.CycleInterval != 1 {
if u.CycleInterval != nil {
var res NResult
db.Model(&Transfer{}).Select("SUM(`in`+`out`) AS n").Where("created_at > ? AND server_id = ?", u.GetTransferDurationStart(), server.ID).Scan(&res)
src += float64(res.N)
@ -146,7 +147,7 @@ func (u *Rule) Snapshot(cycleTransferStats *CycleTransferStats, server *Server,
cycleTransferStats.NextUpdate[server.ID] = u.NextTransferAt[server.ID]
// 自动更新周期流量展示起止时间
cycleTransferStats.From = u.GetTransferDurationStart()
cycleTransferStats.To = cycleTransferStats.From.Add(time.Hour * time.Duration(u.CycleInterval))
cycleTransferStats.To = u.GetTransferDurationEnd()
}
if u.Type == "offline" && float64(time.Now().Unix())-src > 6 {
@ -163,6 +164,25 @@ func (rule Rule) IsTransferDurationRule() bool {
}
func (rule Rule) GetTransferDurationStart() time.Time {
interval := 3600 * int64(rule.CycleInterval)
return time.Unix(rule.CycleStart.Unix()+(time.Now().Unix()-rule.CycleStart.Unix())/interval*interval, 0)
expr := cronexpr.MustParse(rule.CycleInterval)
durationStart := rule.CycleInterval
nextTime := expr.Next(rule.CycleStart)
for nextTime.Before(time.Now()) {
durationStart = nextTime
nextTime = expr.Next(rule.CycleStart)
}
// TODO: catch the err from parse String and Next function.
return time.Unix(durationStart.Unix, 0)
}
func (rule Rule) GetTransferDurationEnd() time.Time {
expr := cronexpr.MustParse(rule.CycleInterval)
durationStart := rule.CycleInterval
nextTime := expr.Next(rule.CycleStart)
for nextTime.Before(time.Now()) {
durationStart = nextTime
nextTime = expr.Next(rule.CycleStart)
}
// TODO: catch the err from parse String and Next function.
return time.Unix(nextTime.Unix, 0)
}

3
service/dao/alertsentinel.go
View File

@ -38,10 +38,11 @@ func addCycleTransferStatsInfo(alert *model.AlertRule) {
}
if AlertsCycleTransferStatsStore[alert.ID] == nil {
from := alert.Rules[j].GetTransferDurationStart()
to := alert.Rules[j].GetTransferDurationEnd()
AlertsCycleTransferStatsStore[alert.ID] = &model.CycleTransferStats{
Name: alert.Name,
From: from,
To: from.Add(time.Hour * time.Duration(alert.Rules[j].CycleInterval)),
To: to,
Max: uint64(alert.Rules[j].Max),
Min: uint64(alert.Rules[j].Min),
ServerName: make(map[uint64]string),