virsh: Teach vol-create-as to --print-xml

We have the same argument to many other commands that produce an
XML based on what user typed. But unfortunately vol-create-as
was missing it. Maybe nobody had needed it yet. Well, I did
just now.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-02-10 16:48:15 +01:00
parent bb0b8e5d67
commit 64e66d8ed6
2 changed files with 17 additions and 6 deletions

View File

@ -195,6 +195,10 @@ static const vshCmdOptDef opts_vol_create_as[] = {
.type = VSH_OT_BOOL,
.help = N_("preallocate metadata (for qcow2 instead of full allocation)")
},
{.name = "print-xml",
.type = VSH_OT_BOOL,
.help = N_("print XML document, but don't define/create")
},
{.name = NULL}
};
@ -213,6 +217,7 @@ cmdVolCreateAs(vshControl *ctl, const vshCmd *cmd)
virStoragePoolPtr pool;
virStorageVolPtr vol = NULL;
char *xml = NULL;
bool printXML = vshCommandOptBool(cmd, "print-xml");
const char *name, *capacityStr = NULL, *allocationStr = NULL, *format = NULL;
const char *snapshotStrVol = NULL, *snapshotStrFormat = NULL;
unsigned long long capacity, allocation = 0;
@ -337,12 +342,16 @@ cmdVolCreateAs(vshControl *ctl, const vshCmd *cmd)
}
xml = virBufferContentAndReset(&buf);
if (!(vol = virStorageVolCreateXML(pool, xml, flags))) {
vshError(ctl, _("Failed to create vol %s"), name);
goto cleanup;
if (printXML) {
vshPrint(ctl, "%s", xml);
} else {
if (!(vol = virStorageVolCreateXML(pool, xml, flags))) {
vshError(ctl, _("Failed to create vol %s"), name);
goto cleanup;
}
vshPrint(ctl, _("Vol %s created\n"), name);
}
vshPrint(ctl, _("Vol %s created\n"), name);
ret = true;
cleanup:

View File

@ -3427,9 +3427,11 @@ If this is not possible, the copy fails.
=item B<vol-create-as> I<pool-or-uuid> I<name> I<capacity>
[I<--allocation> I<size>] [I<--format> I<string>] [I<--backing-vol>
I<vol-name-or-key-or-path>] [I<--backing-vol-format> I<string>]
[I<--prealloc-metadata>]
[I<--prealloc-metadata>] [I<--print-xml>]
Create a volume from a set of arguments.
Create a volume from a set of arguments unless I<--print-xml> is specified, in
which case just the XML of the volume object is printed out without any actual
object creation.
I<pool-or-uuid> is the name or UUID of the storage pool to create the volume
in.
I<name> is the name of the new volume. For a disk pool, this must match the