From: Peter Krempa <pkrempa@redhat.com>
Date: Fri, 10 Jan 2020 11:27:07 +0000 (+0100)
Subject: util: storage: Link to knowledge base when reporting missing image backing format
X-Git-Tag: v6.0.0-rc2~14
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=30867fb098a5f3d6704696d79bc587085a488cf8;p=thirdparty%2Flibvirt.git

util: storage: Link to knowledge base when reporting missing image backing format

Mention the knowledge base article which has tips how to fix the backing
chain to work with current libvirt.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
---

diff --git a/src/util/virstoragefile.c b/src/util/virstoragefile.c
index e46ac99219..1397f532fd 100644
--- a/src/util/virstoragefile.c
+++ b/src/util/virstoragefile.c
@@ -4979,7 +4979,8 @@ virStorageFileGetMetadataRecurse(virStorageSourcePtr src,
              */
             if (report_broken) {
                 virReportError(VIR_ERR_OPERATION_INVALID,
-                               _("format of backing image '%s' of image '%s' was not specified in the image metadata"),
+                               _("format of backing image '%s' of image '%s' was not specified in the image metadata "
+                                 "(See https://libvirt.org/kbase/backing_chains.html for troubleshooting)"),
                                src->backingStoreRaw, NULLSTR(src->path));
                 return -1;
             }