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virsh: pool-list: introduce --uuid for printing pool's UUID only

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This patch will introduce option --uuid.
If specified, only UUID of pools will be printed out.

Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
This commit is contained in:
Chen Hanxiao 2017-01-06 22:42:51 +08:00 committed by John Ferlan
parent 666bee3973
commit 3fe791f8c9
2 changed files with 22 additions and 2 deletions
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20
tools/virsh-pool.c
View File

@ -1060,6 +1060,10 @@ static const vshCmdOptDef opts_pool_list[] = {
.type = VSH_OT_BOOL,
.help = N_("display extended details for pools")
},
{.name = "uuid",
.type = VSH_OT_BOOL,
.help = N_("list UUID of active pools only")
},
{.name = NULL}
};
@ -1087,6 +1091,7 @@ cmdPoolList(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
const char *type = NULL;
bool details = vshCommandOptBool(cmd, "details");
bool inactive, all;
bool uuid = false;
char *outputStr = NULL;
inactive = vshCommandOptBool(cmd, "inactive");
@ -1111,9 +1116,14 @@ cmdPoolList(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
if (vshCommandOptBool(cmd, "transient"))
flags |= VIR_CONNECT_LIST_STORAGE_POOLS_TRANSIENT;
if (vshCommandOptBool(cmd, "uuid"))
uuid = true;
if (vshCommandOptStringReq(ctl, cmd, "type", &type) < 0)
return false;
VSH_EXCLUSIVE_OPTIONS("details", "uuid");
if (type) {
int poolType = -1;
char **poolTypes = NULL;
@ -1297,6 +1307,16 @@ cmdPoolList(vshControl *ctl, const vshCmd *cmd ATTRIBUTE_UNUSED)
/* Output basic info then return if --details option not selected */
if (!details) {
if (uuid) {
for (i = 0; i < list->npools; i++) {
char uuid_str[VIR_UUID_STRING_BUFLEN];
virStoragePoolGetUUIDString(list->pools[i], uuid_str);
vshPrint(ctl, "%-36s\n", uuid_str);
}
ret = true;
goto cleanup;
}
/* Output old style header */
vshPrintExtra(ctl, " %-20s %-10s %-10s\n", _("Name"), _("State"),
_("Autostart"));

4
tools/virsh.pod
View File

@ -3621,7 +3621,7 @@ of basic info are not converted to human friendly units.
=item B<pool-list> [I<--inactive>] [I<--all>]
[I<--persistent>] [I<--transient>]
[I<--autostart>] [I<--no-autostart>]
[[I<--details>] [<type>]
[[I<--details>] [I<--uuid>] [<type>]
List pool objects known to libvirt. By default, only active pools
are listed; I<--inactive> lists just the inactive pools, and I<--all>
@ -3630,7 +3630,7 @@ lists all pools.
In addition, there are several sets of filtering flags. I<--persistent> is to
list the persistent pools, I<--transient> is to list the transient pools.
I<--autostart> lists the autostarting pools, I<--no-autostart> lists the pools
with autostarting disabled.
with autostarting disabled. If I<--uuid> is specified only pool's UUIDs are printed.
You may also want to list pools with specified types using I<type>, the
pool types must be separated by comma, e.g. --type dir,disk. The valid pool