process:username: metric for errors

Signed-off-by: Djalal Harouni <[email protected]>
cilium · Jun 20, 2024 · 65688a6 · 65688a6
1 parent a306aa4
commit 65688a6
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/docs/content/en/docs/reference/metrics.md b/docs/content/en/docs/reference/metrics.md
diff --git a/pkg/metrics/errormetrics/errormetrics.go b/pkg/metrics/errormetrics/errormetrics.go
@@ -28,6 +28,8 @@ const (
 	HandlerError
 	// An event finalizer on Process failed
 	EventFinalizeProcessInfoFailed
+	// Failed to resolve Process uid to username
+	ProcessMetadataUsernameFailed
 )
 
 var errorTypeLabelValues = map[ErrorType]string{
@@ -38,6 +40,7 @@ var errorTypeLabelValues = map[ErrorType]string{
 	EventMissingProcessInfo:        "event_missing_process_info",
 	HandlerError:                   "handler_error",
 	EventFinalizeProcessInfoFailed: "event_finalize_process_info_failed",
+	ProcessMetadataUsernameFailed:  "process_metadata_username_failed",
 }
 
 func (e ErrorType) String() string {

diff --git a/pkg/sensors/exec/userinfo/userinfo.go b/pkg/sensors/exec/userinfo/userinfo.go
@@ -8,6 +8,7 @@ import (
 
 	"github.com/cilium/tetragon/pkg/api/processapi"
 	"github.com/cilium/tetragon/pkg/grpc/exec"
+	"github.com/cilium/tetragon/pkg/metrics/errormetrics"
 	"github.com/cilium/tetragon/pkg/option"
 	"github.com/cilium/tetragon/pkg/reader/namespace"
 	"github.com/cilium/tetragon/pkg/reader/userdb"
@@ -37,6 +38,7 @@ func MsgToExecveAccountUnix(m *exec.MsgExecveEventUnix) error {
 	if option.Config.UsernameMetadata == int(option.USERNAME_METADATA_UNIX) {
 		username, err := getAccountUnix(m.Unix.Process.UID, &m.Unix.Msg.Namespaces)
 		if err != nil {
+			errormetrics.ErrorTotalInc(errormetrics.ProcessMetadataUsernameFailed)
 			return err
 		}