Insert all restore errors and warnings into restore log (#4743)

This allows a user inspecting the restore logs to see any
errors or warnings generated by the restore so that they
will be seen even without having to use the describe cli.

Signed-off-by: Scott Seago <sseago@redhat.com>

changelogs/unreleased/4743-sseago

@@ -0,0 +1 @@
+Insert all restore errors and warnings into restore log.

pkg/controller/restore_controller.go

@@ -486,6 +486,30 @@ func (c *restoreController) runValidatedRestore(restore *api.Restore, info backu
 	}
 	restoreWarnings, restoreErrors := c.restorer.RestoreWithResolvers(restoreReq, actionsResolver, snapshotItemResolver,
 		c.snapshotLocationLister, pluginManager)
+
+	// log errors and warnings to the restore log
+	for _, msg := range restoreErrors.Velero {
+		restoreLog.Errorf("Velero restore error: %v", msg)
+	}
+	for _, msg := range restoreErrors.Cluster {
+		restoreLog.Errorf("Cluster resource restore error: %v", msg)
+	}
+	for ns, errs := range restoreErrors.Namespaces {
+		for _, msg := range errs {
+			restoreLog.Errorf("Namespace %v, resource restore error: %v", ns, msg)
+		}
+	}
+	for _, msg := range restoreWarnings.Velero {
+		restoreLog.Warnf("Velero restore warning: %v", msg)
+	}
+	for _, msg := range restoreWarnings.Cluster {
+		restoreLog.Warnf("Cluster resource restore warning: %v", msg)
+	}
+	for ns, errs := range restoreWarnings.Namespaces {
+		for _, msg := range errs {
+			restoreLog.Warnf("Namespace %v, resource restore warning: %v", ns, msg)
+		}
+	}
 	restoreLog.Info("restore completed")
 
 	// re-instantiate the backup store because credentials could have changed since the original