[libvirt PATCH] tools: virsh: metadata: do not report error on missing metadata

[Ján Tomko <jtomko@xxxxxxxxxx>]

Similarly to `desc` and `net-desc`, return an empty string if
there is no metadata to be returned.

https://issues.redhat.com/browse/RHEL-27172

Signed-off-by: Ján Tomko <jtomko@xxxxxxxxxx>
---
 tools/virsh-domain.c  | 10 ++++++++--
 tools/virsh-network.c | 10 ++++++++--
 2 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/tools/virsh-domain.c b/tools/virsh-domain.c
index f3da2f903f..e104aa909a 100644
--- a/tools/virsh-domain.c
+++ b/tools/virsh-domain.c
@@ -8480,8 +8480,14 @@ cmdMetadata(vshControl *ctl, const vshCmd *cmd)
         g_autofree char *data = NULL;
         /* get */
         if (!(data = virDomainGetMetadata(dom, VIR_DOMAIN_METADATA_ELEMENT,
-                                          uri, flags)))
-            return false;
+                                          uri, flags))) {
+            if (virGetLastErrorCode() == VIR_ERR_NO_DOMAIN_METADATA) {
+                virResetLastError();
+                data = g_strdup("");
+            } else {
+                return false;
+            }
+        }
 
         vshPrint(ctl, "%s\n", data);
     }
diff --git a/tools/virsh-network.c b/tools/virsh-network.c
index 6fcc7fd8ee..bcdb76ae36 100644
--- a/tools/virsh-network.c
+++ b/tools/virsh-network.c
@@ -604,8 +604,14 @@ cmdNetworkMetadata(vshControl *ctl, const vshCmd *cmd)
 
         /* get */
         if (!(data = virNetworkGetMetadata(net, VIR_NETWORK_METADATA_ELEMENT,
-                                           uri, flags)))
-            return false;
+                                           uri, flags))) {
+            if (virGetLastErrorCode() == VIR_ERR_NO_NETWORK_METADATA) {
+                virResetLastError();
+                data = g_strdup("");
+            } else {
+                return false;
+            }
+        }
 
         vshPrint(ctl, "%s\n", data);
     }
-- 
2.48.1