go.d whoisquery: check if exp date is empty (#17911)

1 files changed, 5 insertions, 0 deletions

diff --git a/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go b/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go
index 032f979f4c..23de81e280 100644
--- a/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go
+++ b/src/go/collectors/go.d.plugin/modules/whoisquery/provider.go
@@ -3,6 +3,7 @@
 package whoisquery
 
 import (
+	"errors"
 	"strings"
 	"time"
 
@@ -49,6 +50,10 @@ func (f *fromNet) remainingTime() (float64, error) {
 		}
 	}
 
+	if result.Domain.ExpirationDate == "" {
+		return 0, errors.New("no expiration date")
+	}
+
 	expire, err := dateparse.ParseAny(result.Domain.ExpirationDate)
 	if err != nil {
 		return 0, err