incorporating review comments

irictl-machine/cmd/irictl-machine/irictlmachine/get/event/event.go

@@ -17,16 +17,16 @@ import (
 	ctrl "sigs.k8s.io/controller-runtime"
 )
 
+const DefaultDuration = 60 * time.Minute
+
 type Options struct {
-	Labels         map[string]string
-	EventsFromTime string
-	EventsToTime   string
+	Labels   map[string]string
+	Duration string
 }
 
 func (o *Options) AddFlags(fs *pflag.FlagSet) {
 	fs.StringToStringVarP(&o.Labels, "labels", "l", o.Labels, "Labels to filter the events by.")
-	fs.StringVarP(&o.EventsFromTime, "eventsFromTime", "f", o.EventsFromTime, fmt.Sprintf("Events From Time to filter the events by. In the format of %s", time.DateTime))
-	fs.StringVarP(&o.EventsToTime, "eventsToTime", "t", o.EventsToTime, fmt.Sprintf("Events To Time to filter the events by. In the format of %s", time.DateTime))
+	fs.StringVarP(&o.Duration, "duration", "d", o.Duration, "Duration to filter the events by.")
 }
 
 func Command(streams clicommon.Streams, clientFactory common.Factory) *cobra.Command {
@@ -73,24 +73,20 @@ func Run(
 	render renderer.Renderer,
 	opts Options,
 ) error {
-	var filter *iri.EventFilter = &iri.EventFilter{}
+	var filter *iri.EventFilter = &iri.EventFilter{
+		EventsFromTime: time.Now().Add(-1 * DefaultDuration).Unix(),
+		EventsToTime:   time.Now().Unix(),
+	}
 	if opts.Labels != nil {
 		filter.LabelSelector = opts.Labels
 	}
-	if opts.EventsFromTime != "" {
-		fromDate, err := time.Parse(time.DateTime, opts.EventsFromTime)
-		if err != nil {
-			return fmt.Errorf("error parsing eventsFromTime: %w", err)
-		}
-		filter.EventsFromTime = fromDate.Unix()
-	}
 
-	if opts.EventsToTime != "" {
-		toDate, err := time.Parse(time.DateTime, opts.EventsToTime)
+	if opts.Duration != "" {
+		duration, err := time.ParseDuration(opts.Duration)
 		if err != nil {
-			return fmt.Errorf("error parsing eventsToTime: %w", err)
+			return fmt.Errorf("error parsing Duration: %w", err)
 		}
-		filter.EventsToTime = toDate.Unix()
+		filter.EventsFromTime = time.Now().Add(-1 * duration).Unix()
 	}
 
 	res, err := client.ListEvents(ctx, &iri.ListEventsRequest{Filter: filter})