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virsh: Provide completer for detach-device-alias

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Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This commit is contained in:
Michal Privoznik 2018-06-26 12:41:34 +02:00
parent a6fbbce73e
commit 01d1b535f8
3 changed files with 53 additions and 0 deletions
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48
tools/virsh-completer.c
View File

@ -856,3 +856,51 @@ virshCellnoCompleter(vshControl *ctl,
VIR_FREE(ret);
goto cleanup;
}
char **
virshDomainDeviceAliasCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags)
{
virshControlPtr priv = ctl->privData;
xmlDocPtr xmldoc = NULL;
xmlXPathContextPtr ctxt = NULL;
int naliases;
xmlNodePtr *aliases = NULL;
size_t i;
unsigned int domainXMLFlags = 0;
char **ret = NULL;
char **tmp = NULL;
virCheckFlags(0, NULL);
if (!priv->conn || virConnectIsAlive(priv->conn) <= 0)
return NULL;
if (vshCommandOptBool(cmd, "config"))
domainXMLFlags = VIR_DOMAIN_XML_INACTIVE;
if (virshDomainGetXML(ctl, cmd, domainXMLFlags, &xmldoc, &ctxt) < 0)
goto cleanup;
naliases = virXPathNodeSet("./devices//alias/@name", ctxt, &aliases);
if (naliases < 0)
goto cleanup;
if (VIR_ALLOC_N(tmp, naliases + 1) < 0)
goto cleanup;
for (i = 0; i < naliases; i++) {
if (!(tmp[i] = virXMLNodeContentString(aliases[i])))
goto cleanup;
}
VIR_STEAL_PTR(ret, tmp);
cleanup:
VIR_FREE(aliases);
xmlFreeDoc(xmldoc);
xmlXPathFreeContext(ctxt);
virStringListFree(tmp);
return ret;
}

4
tools/virsh-completer.h
View File

@ -98,6 +98,10 @@ char ** virshNodedevEventNameCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags);
char ** virshDomainDeviceAliasCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags);
char ** virshCellnoCompleter(vshControl *ctl,
const vshCmd *cmd,
unsigned int flags);

1
tools/virsh-domain.c
View File

@ -11684,6 +11684,7 @@ static const vshCmdOptDef opts_detach_device_alias[] = {
{.name = "alias",
.type = VSH_OT_DATA,
.flags = VSH_OFLAG_REQ,
.completer = virshDomainDeviceAliasCompleter,
.help = N_("device alias")
},
VIRSH_COMMON_OPT_DOMAIN_CONFIG,