//UpdateService updates only the given service from actual configuration
func UpdateService(old model.Service) error {
//Do not start a new check while updating by claiming it.
old.Claim()
for _, new := range loader.FindServices() {
if new.Identifier == old.Identifier {
new.CopyAttributes(&old)
//push new service to Services map
model.Services.Set(old.Identifier, new)
log.Warning("Reloaded", new.Identifier, "from", old.Identifier)
return nil
}
}
return errors.New("Service not found.")
}
func SpawnCheck(service *model.Service) int {
args := service.Command
args = strings.Replace(args, "$HOST$", service.Host, -1)
args = strings.Replace(args, "$TIMEOUT$", strconv.Itoa(service.Timeout), -1)
status, output, rtime := CheckService(service.Timeout, args)
service.Output = output
if status != 0 { //It's going down
oldHealth := service.Health
service.ThresholdCounter++
if oldHealth == -1 { //cold check, now its down
service.Health = health.WARNING //set warning state
}
if oldHealth == 0 {
service.Health = health.WARNING //(re)set warning state
}
if oldHealth == health.WARNING && service.ThresholdCounter >= service.Threshold {
service.Health = health.CRITICAL //Service is down
action.Handle(*service) //Ready for action
}
} else {
oldHealth := service.Health
service.Health = health.OK
service.ThresholdCounter = 0
if oldHealth == health.CRITICAL {
action.Handle(*service)
}
}
service.Release()
service.RTime = rtime
service.LastCheck = time.Now()
model.Services.Set(service.Identifier, *service)
return status
}