[libvirt] [PATCH 3/3] virsh: enhance snapshot-create-as

[Eric Blake]

Similar to pool-create-as.

* tools/virsh.c (cmdSnapshotCreateAs): Add --print-xml.
* tools/virsh.pod: Document it.
---
 tools/virsh.c   |    7 +++++++
 tools/virsh.pod |    6 ++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tools/virsh.c b/tools/virsh.c
index 3a59acd..97f7cf8 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -11054,6 +11054,7 @@ static const vshCmdOptDef opts_snapshot_create_as[] = {
     {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
     {"name", VSH_OT_DATA, 0, N_("name of snapshot")},
     {"description", VSH_OT_DATA, 0, N_("description of snapshot")},
+    {"print-xml", VSH_OT_BOOL, 0, N_("print XML document rather than create")},
     {NULL, 0, 0, NULL}
 };

@@ -11098,6 +11099,12 @@ cmdSnapshotCreateAs(vshControl *ctl, const vshCmd *cmd)
         goto cleanup;
     }

+    if (vshCommandOptBool(cmd, "print-xml")) {
+        vshPrint(ctl, "%s\n",  buffer);
+        ret = true;
+        goto cleanup;
+    }
+
     snapshot = virDomainSnapshotCreateXML(dom, buffer, 0);
     if (snapshot == NULL)
         goto cleanup;
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 44f2e25..567e7de 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -1402,11 +1402,13 @@ I<xmlfile>.  The only properties settable for a domain snapshot are the
 automatically filled in by libvirt.  If I<xmlfile> is completely omitted,
 then libvirt will choose a value for all fields.

-=item B<snapshot-create-as> I<domain> optional I<name> I<description>
+=item B<snapshot-create-as> I<domain> optional I<--print-xml>
+I<name> I<description>

 Create a snapshot for domain I<domain> with the given <name> and
 <description>; if either value is omitted, libvirt will choose a
-value.
+value.  If I<--print-xml> is specified, then XML appropriate for
+I<snapshot-create> is output, rather than actually creating a snapshot.

 =item B<snapshot-current> I<domain>

-- 
1.7.1