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Add new domblkinfo command to virsh

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virsh # domblkinfo demoguest /dev/hda2
  Capacity:       1048576000
  Allocation:     104857600
  Physical:       104857600

* tools/virsh.c: Implement domblkinfo command mapping to the
  new virDomainGetBlockInfo API
This commit is contained in:
Daniel P. Berrange 2010-04-27 20:31:58 +01:00
parent db57a7bed8
commit 7703c2c90a
2 changed files with 52 additions and 0 deletions
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48
tools/virsh.c
View File

@ -1044,6 +1044,53 @@ cmdDomMemStat(vshControl *ctl, const vshCmd *cmd)
return TRUE;
}
/*
* "domblkinfo" command
*/
static const vshCmdInfo info_domblkinfo[] = {
{"help", N_("domain block device size information")},
{"desc", N_("Get block device size info for a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domblkinfo[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
{"device", VSH_OT_DATA, VSH_OFLAG_REQ, N_("block device")},
{NULL, 0, 0, NULL}
};
static int
cmdDomblkinfo(vshControl *ctl, const vshCmd *cmd)
{
virDomainBlockInfo info;
virDomainPtr dom;
int ret = TRUE;
const char *device;
if (!vshConnectionUsability(ctl, ctl->conn, TRUE))
return FALSE;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return FALSE;
if (!(device = vshCommandOptString (cmd, "device", NULL))) {
virDomainFree(dom);
return FALSE;
}
if (virDomainGetBlockInfo(dom, device, &info, 0) < 0) {
virDomainFree(dom);
return FALSE;
}
vshPrint(ctl, "%-15s %llu\n", _("Capacity:"), info.capacity);
vshPrint(ctl, "%-15s %llu\n", _("Allocation:"), info.allocation);
vshPrint(ctl, "%-15s %llu\n", _("Physical:"), info.physical);
virDomainFree(dom);
return ret;
}
/*
* "suspend" command
*/
@ -8661,6 +8708,7 @@ static const vshCmdDef commands[] = {
{"domblkstat", cmdDomblkstat, opts_domblkstat, info_domblkstat},
{"domifstat", cmdDomIfstat, opts_domifstat, info_domifstat},
{"dommemstat", cmdDomMemStat, opts_dommemstat, info_dommemstat},
{"domblkinfo", cmdDomblkinfo, opts_domblkinfo, info_domblkinfo},
{"domxml-from-native", cmdDomXMLFromNative, opts_domxmlfromnative, info_domxmlfromnative},
{"domxml-to-native", cmdDomXMLToNative, opts_domxmltonative, info_domxmltonative},
{"dumpxml", cmdDumpXML, opts_dumpxml, info_dumpxml},

4
tools/virsh.pod
View File

@ -296,6 +296,10 @@ Get network interface stats for a running domain.
Get memory stats for a running domain.
=item B<domblkinfo> I<domain> I<block-device>
Get block device size info for a domain.
=item B<dominfo> I<domain-id>
Returns basic information about the domain.