Enhance SpliceD logging for domain join failures

PiperOrigin-RevId: 881645770

Author: Splice Team

shared/provisioning/provisioning_windows.go

@@ -149,7 +149,7 @@ func TextData(hostname, domain string, reuse, djoinCompat bool) ([]byte, error)
 		uintptr(unsafe.Pointer(&buff)),       //_Out_opt_ LPWSTR  *pProvisionTextData
 	)
 	if r != 0 {
-		return result, errnoErr(syscall.Errno(r))
+		return result, fmt.Errorf("%v: Win32 error %d", errnoErr(syscall.Errno(r)), r)
 	}
 
 	for i := range buff {
@@ -192,7 +192,7 @@ func BinData(hostname string, domain string, reuse bool) ([]byte, error) {
 		0,                                    //_Out_opt_ LPWSTR  *pProvisionTextData
 	)
 	if r != 0 {
-		return buff[:binSize], errnoErr(syscall.Errno(r))
+		return buff[:binSize], fmt.Errorf("%v: Win32 error %d", errnoErr(syscall.Errno(r)), r)
 	}
 
 	return buff[:binSize], nil

spliced/spliced.go

@@ -198,7 +198,7 @@ func join(req *models.Request) ([]byte, error) {
 	metrics.Get("join_attempt").Increment()
 	blob, err := provisioner(wantName, conf.Domain, permitReuse(req))
 	if err != nil {
-		deck.WarningfA("Failed to join host with: %v", err).With(eventID(EvtJoinFailure)).Go()
+		deck.WarningfA("Failed to join host %s to domain %s (reuse=%t) with: %v", wantName, conf.Domain, permitReuse(req), err).With(eventID(EvtJoinFailure)).Go()
 		return nil, err
 	}