func dbMon(mc *MgoCmd, req *cmdproto.MgoRequest) {
atomic.StoreInt32(&mc.dbMonState, 1)
stop := false
pingCount := 5
errCount := 0
var err error
ticker := time.NewTicker(time.Second * 2)
defer func() {
ticker.Stop()
atomic.StoreInt32(&mc.dbMonState, 0)
}()
dialInfo := &mgo.DialInfo{Addrs: mc.MgoAddrs, Timeout: (10 * time.Second)}
mgoSession, err := mgo.DialWithInfo(dialInfo)
mgoSession.SetSocketTimeout(time.Second * 10)
addrs, _ := net.InterfaceAddrs()
if err != nil {
cmdlog.EPrintln(err.Error())
cmds.SendMail("mongod", fmt.Sprintf("[%s]---%+v---mongod ping failed, please notice!", time.Now().UTC().String(), addrs))
return
}
for {
select {
case <-ticker.C:
for i := 0; i < pingCount; i++ {
err = mgoSession.Ping()
if err != nil {
cmdlog.EPrintln(err.Error())
errCount++
}
}
if errCount == pingCount {
for i := 0; i < 5; i++ {
cmds.SendMail("mongod", fmt.Sprintf("[%s]---%+v---mongod ping failed, please notice!", time.Now().UTC().String(), addrs))
}
errCount = 0
stop = true
}
}
if stop == true {
break
}
}
}
func diskMon(sc *SystemCmd) {
ticker := time.NewTicker(time.Second * 10)
atomic.StoreInt32(&sc.diskMonState, 1)
defer func() {
ticker.Stop()
atomic.StoreInt32(&sc.diskMonState, 0)
}()
stop := false
addrs, _ := net.InterfaceAddrs()
for {
select {
case <-ticker.C:
diskInfo := cmds.DiskUsage("/")
diskLeft := int(float64(diskInfo.Free) / float64(diskInfo.All) * 100)
if diskLeft < sc.DiskLeftNotify {
for i := 0; i < 5; i++ {
cmds.SendMail("Disk Usage", fmt.Sprintf("[%s]---(%+v)---Disk left %d%%, please clear mongo data!", time.Now().UTC().String(), addrs, diskLeft))
}
stop = true
}
}
if stop == true {
break
}
}
return
}