//Sets any invalid fields to their default value
func PerformDefault(conf Configuration) {
err := conf.Validate()
name := reflect.ValueOf(conf).Type()
if err != nil {
if errs, ok := err.(validator.ErrorMap); ok {
for fieldName := range errs {
if strings.Contains(fieldName, ".") {
//If field Name contains a '.' than it is a subfield of a current field
continue
}
glog.V(4).Info("Invalid field searching for default ", fieldName)
if ok, err := defaults.HasDefault(conf, fieldName); ok {
value, err := defaults.SetDefault(conf, fieldName)
if err != nil {
glog.Errorf("Failed to set default of %s on %s", fieldName, name)
} else {
glog.Infof("Defaulted %v.%s to '%v'", name, fieldName, value)
}
} else {
glog.V(4).Info("No default found: ", err)
}
}
} else {
glog.Errorf("Failed to validate %s: %s", name, err)
}
}
}
func main() {
defer glog.Flush()
flag.Parse()
config, err := morgoth.LoadFromFile(*configPath)
if err != nil {
glog.Errorf("Error loading config: %v\n", err)
os.Exit(2)
}
app := morgoth.NewApp(config)
err = app.Run()
if err != nil {
glog.Errorf("Error running application: %v\n", err)
os.Exit(3)
}
}
func (self *Manager) RecordAnomalous(w *Window) {
glog.Infof("Found anomalous window: %s %s %s", w.Name, w.Tags, w.Start)
err := self.engine.RecordAnomalous(w.Copy())
if err != nil {
glog.Errorf("Error recording anomaly: %s", err)
}
}
func (self *APIServer) Start() (err error) {
self.handler = rest.ResourceHandler{
EnableStatusService: true,
}
self.handler.SetRoutes(
&rest.Route{"GET", "/status", self.status},
&rest.Route{"GET", "/stats", self.stats},
)
self.listener, err = net.Listen("tcp", fmt.Sprintf(":%d", self.port))
if err != nil {
glog.Errorf("Error binding APIServer: %s", err)
return
}
go func() {
err = http.Serve(self.listener, &self.handler)
if err != nil {
glog.Errorf("Error while APIServer was running: %s", err)
}
}()
glog.V(1).Info("APIServer running")
return
}
func (self *Manager) processQueries() {
for query := range self.queryQueue {
glog.V(2).Info("Executing query:", query)
windows, err := self.engine.GetWindows(query.query)
if err != nil {
glog.Errorf("Failed to execute query: '%s' %s", query, err)
continue
}
// Tag windows with query tags
glog.V(3).Info("Adding query tags: ", query.tags)
for _, w := range windows {
for t, v := range query.tags {
w.Tags[t] = v
}
}
self.ProcessWindows(windows)
}
}
func (self *AlertsManager) processQueries() {
for query := range self.queryQueue {
glog.V(2).Info("Executing query:", query)
windows, err := self.engine.GetWindows(query.query)
if err != nil {
glog.Errorf("Failed to execute query: '%s' %s", query, err)
continue
}
glog.Info(windows)
for _, w := range windows {
sum := 0.0
for _, point := range w.Data {
sum += point
}
glog.V(1).Info("Alert Query total ", sum)
if sum > query.threshold {
for _, n := range query.notifiers {
n.Notify(query.message, w)
}
}
}
}
}