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virsh: New command print summary of all virtual interfaces

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Just like command "domblklist", the command extracts "type",
"source", "target", "model", and "MAC" of all virtual interfaces
from domain XML (live or persistent).
This commit is contained in:
Osier Yang 2012-01-11 20:45:31 +08:00
parent 99fbb3866c
commit 74e701f8e5
2 changed files with 107 additions and 0 deletions
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98
tools/virsh.c
View File

@ -1984,6 +1984,103 @@ cleanup:
return ret;
}
/*
* "domiflist" command
*/
static const vshCmdInfo info_domiflist[] = {
{"help", N_("list all domain virtual interfaces")},
{"desc", N_("Get the summary of virtual interfaces for a domain.")},
{NULL, NULL}
};
static const vshCmdOptDef opts_domiflist[] = {
{"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or uuid")},
{"inactive", VSH_OT_BOOL, 0,
N_("get inactive rather than running configuration")},
{NULL, 0, 0, NULL}
};
static bool
cmdDomiflist(vshControl *ctl, const vshCmd *cmd)
{
virDomainPtr dom;
bool ret = false;
unsigned int flags = 0;
char *xml = NULL;
xmlDocPtr xmldoc = NULL;
xmlXPathContextPtr ctxt = NULL;
int ninterfaces;
xmlNodePtr *interfaces = NULL;
int i;
if (vshCommandOptBool(cmd, "inactive"))
flags |= VIR_DOMAIN_XML_INACTIVE;
if (!vshConnectionUsability(ctl, ctl->conn))
return false;
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
return false;
xml = virDomainGetXMLDesc(dom, flags);
if (!xml)
goto cleanup;
xmldoc = virXMLParseStringCtxt(xml, _("(domain_definition)"), &ctxt);
if (!xmldoc)
goto cleanup;
ninterfaces = virXPathNodeSet("./devices/interface", ctxt, &interfaces);
if (ninterfaces < 0)
goto cleanup;
vshPrint(ctl, "%-10s %-10s %-10s %-11s %s\n", _("Type"), _("Source"),
_("Target"), _("Model"), _("MAC"));
vshPrint(ctl, "-------------------------------------------------------\n");
for (i = 0; i < ninterfaces; i++) {
char *type = NULL;
char *source = NULL;
char *target = NULL;
char *model = NULL;
char *mac = NULL;
ctxt->node = interfaces[i];
type = virXPathString("string(./@type)", ctxt);
source = virXPathString("string(./source/@bridge"
"|./source/@dev"
"|./source/@network"
"|./source/@name)", ctxt);
target = virXPathString("string(./target/@dev)", ctxt);
model = virXPathString("string(./model/@type)", ctxt);
mac = virXPathString("string(./mac/@address)", ctxt);
vshPrint(ctl, "%-10s %-10s %-10s %-11s %-10s\n", type,
source ? source : "-",
target ? target : "-",
model ? model : "-",
mac ? mac : "-");
VIR_FREE(type);
VIR_FREE(source);
VIR_FREE(target);
VIR_FREE(model);
VIR_FREE(mac);
}
ret = true;
cleanup:
VIR_FREE(interfaces);
virDomainFree(dom);
VIR_FREE(xml);
xmlFreeDoc(xmldoc);
xmlXPathFreeContext(ctxt);
return ret;
}
/*
* "suspend" command
*/
@ -15864,6 +15961,7 @@ static const vshCmdDef domMonitoringCmds[] = {
{"domblkstat", cmdDomblkstat, opts_domblkstat, info_domblkstat, 0},
{"domcontrol", cmdDomControl, opts_domcontrol, info_domcontrol, 0},
{"domif-getlink", cmdDomIfGetLink, opts_domif_getlink, info_domif_getlink, 0},
{"domiflist", cmdDomiflist, opts_domiflist, info_domiflist, 0},
{"domifstat", cmdDomIfstat, opts_domifstat, info_domifstat, 0},
{"dominfo", cmdDominfo, opts_dominfo, info_dominfo, 0},
{"dommemstat", cmdDomMemStat, opts_dommemstat, info_dommemstat, 0},

9
tools/virsh.pod
View File

@ -522,6 +522,15 @@ domain. Other contexts that require a block device name (such as
I<domblkinfo> or I<snapshot-create> for disk snapshots) will accept
either target or unique source names printed by this command.
=item B<domiflist> I<domain> [I<--inactive>]
Print a table showing the brief information of all virtual interfaces
associated with I<domain>. If I<--inactive> is specified, query the
virtual interfaces that will be used on the next boot, rather than those
currently in use by a running domain. Other contexts that require a MAC
address of virtual interface (such as I<detach-interface> or
I<domif-setlink>) will accept the MAC address printed by this command.
=item B<blockpull> I<domain> I<path> [I<bandwidth>]
Populate a disk from its backing image. Once all data from its backing