feat: error metrics

xsteadfastx · Nov 22, 2021 · 5e75df2 · 5e75df2
1 parent f81754b
commit 5e75df2
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Showing 2 changed files with 20 additions and 16 deletions.
diff --git a/README.md b/README.md
@@ -116,19 +116,20 @@ You can specify a port for the iperf3 server target. If its not set, it will use
 
 ## Exposed metrics
 
-| name                                     | type  |
-| ---------------------------------------- | ----- |
-| iperf3_download_sent_bits_per_second     | gauge |
-| iperf3_download_sent_seconds             | gauge |
-| iperf3_download_sent_bytes               | gauge |
-| iperf3_download_sent_retransmits         | gauge |
-| iperf3_download_received_bits_per_second | gauge |
-| iperf3_download_received_seconds         | gauge |
-| iperf3_download_received_bytes           | gauge |
-| iperf3_upload_sent_bits_per_second       | gauge |
-| iperf3_upload_sent_seconds               | gauge |
-| iperf3_upload_sent_bytes                 | gauge |
-| iperf3_upload_sent_retransmits           | gauge |
-| iperf3_upload_received_bits_per_second   | gauge |
-| iperf3_upload_received_seconds           | gauge |
-| iperf3_upload_received_bytes             | gauge |
+| name                                     | type    |
+| ---------------------------------------- | ------- |
+| iperf3_download_sent_bits_per_second     | gauge   |
+| iperf3_download_sent_seconds             | gauge   |
+| iperf3_download_sent_bytes               | gauge   |
+| iperf3_download_sent_retransmits         | gauge   |
+| iperf3_download_received_bits_per_second | gauge   |
+| iperf3_download_received_seconds         | gauge   |
+| iperf3_download_received_bytes           | gauge   |
+| iperf3_upload_sent_bits_per_second       | gauge   |
+| iperf3_upload_sent_seconds               | gauge   |
+| iperf3_upload_sent_bytes                 | gauge   |
+| iperf3_upload_sent_retransmits           | gauge   |
+| iperf3_upload_received_bits_per_second   | gauge   |
+| iperf3_upload_received_seconds           | gauge   |
+| iperf3_upload_received_bytes             | gauge   |
+| iperf3_errors                            | counter |
diff --git a/main.go b/main.go
@@ -89,6 +89,8 @@ var (
 	uploadReceivedBytes         = metrics.NewFloatCounter("iperf3_upload_received_bytes")
 )
 
+var scrapeErrors = metrics.NewCounter("iperf3_errors")
+
 //nolint:tagliatelle
 type iperfResult struct {
 	End struct {
@@ -255,6 +257,7 @@ func probeHandler(w http.ResponseWriter, r *http.Request) {
 	// Extract port and host for target.
 	t, err := NewTarget(trgt)
 	if err != nil {
+		scrapeErrors.Inc()
 		logger.Error().Err(err).Msg("could not determine target")
 		http.Error(w, "could not determine target", http.StatusUnprocessableEntity)
 	}