static bool
cmdVolClone(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr origpool = NULL;
virStorageVolPtr origvol = NULL, newvol = NULL;
const char *name = NULL;
char *origxml = NULL;
xmlChar *newxml = NULL;
bool ret = false;
unsigned int flags = 0;
if (!(origvol = vshCommandOptVol(ctl, cmd, "vol", "pool", NULL)))
goto cleanup;
if (vshCommandOptBool(cmd, "prealloc-metadata"))
flags |= VIR_STORAGE_VOL_CREATE_PREALLOC_METADATA;
origpool = virStoragePoolLookupByVolume(origvol);
if (!origpool) {
vshError(ctl, "%s", _("failed to get parent pool"));
goto cleanup;
}
if (vshCommandOptStringReq(ctl, cmd, "newname", &name) < 0)
goto cleanup;
origxml = virStorageVolGetXMLDesc(origvol, 0);
if (!origxml)
goto cleanup;
newxml = vshMakeCloneXML(origxml, name);
if (!newxml) {
vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
goto cleanup;
}
newvol = virStorageVolCreateXMLFrom(origpool, (char *) newxml, origvol, flags);
if (newvol != NULL) {
vshPrint(ctl, _("Vol %s cloned from %s\n"),
virStorageVolGetName(newvol), virStorageVolGetName(origvol));
} else {
vshError(ctl, _("Failed to clone vol from %s"),
virStorageVolGetName(origvol));
goto cleanup;
}
ret = true;
cleanup:
VIR_FREE(origxml);
xmlFree(newxml);
if (origvol)
virStorageVolFree(origvol);
if (newvol)
virStorageVolFree(newvol);
if (origpool)
virStoragePoolFree(origpool);
return ret;
}
static bool
cmdVolClone(vshControl *ctl, const vshCmd *cmd)
{
virStoragePoolPtr origpool = NULL;
virStorageVolPtr origvol = NULL, newvol = NULL;
const char *name = NULL;
char *origxml = NULL;
xmlChar *newxml = NULL;
bool ret = false;
if (!vshConnectionUsability(ctl, ctl->conn))
goto cleanup;
if (!(origvol = vshCommandOptVol(ctl, cmd, "vol", "pool", NULL)))
goto cleanup;
origpool = virStoragePoolLookupByVolume(origvol);
if (!origpool) {
vshError(ctl, "%s", _("failed to get parent pool"));
goto cleanup;
}
if (vshCommandOptString(cmd, "newname", &name) <= 0)
goto cleanup;
origxml = virStorageVolGetXMLDesc(origvol, 0);
if (!origxml)
goto cleanup;
newxml = makeCloneXML(origxml, name);
if (!newxml) {
vshPrint(ctl, "%s", _("Failed to allocate XML buffer"));
goto cleanup;
}
newvol = virStorageVolCreateXMLFrom(origpool, (char *) newxml, origvol, 0);
if (newvol != NULL) {
vshPrint(ctl, _("Vol %s cloned from %s\n"),
virStorageVolGetName(newvol), virStorageVolGetName(origvol));
} else {
vshError(ctl, _("Failed to clone vol from %s"),
virStorageVolGetName(origvol));
goto cleanup;
}
ret = true;
cleanup:
VIR_FREE(origxml);
xmlFree(newxml);
if (origvol)
virStorageVolFree(origvol);
if (newvol)
virStorageVolFree(newvol);
if (origpool)
virStoragePoolFree(origpool);
return ret;
}
ERL_NIF_TERM
vert_virStoragePoolLookupByVolume(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
{
VERT_RESOURCE *vp = NULL;
VERT_RESOURCE *pp = NULL;
VERT_GET_RESOURCE(0, vp, VERT_RES_STORAGEVOL);
VERT_RES_ALLOC(pp, VERT_RES_STORAGEPOOL, vp->conn);
pp->res = virStoragePoolLookupByVolume(vp->res);
if (pp->res == NULL) {
enif_release_resource(pp);
return verterr(env);
}
return vert_make_resource(env, pp, atom_storagepool);
}
virStorageVolPtr
vshCommandOptVolBy(vshControl *ctl, const vshCmd *cmd,
const char *optname,
const char *pooloptname,
const char **name, unsigned int flags)
{
virStorageVolPtr vol = NULL;
virStoragePoolPtr pool = NULL;
const char *n = NULL, *p = NULL;
virCheckFlags(VSH_BYUUID | VSH_BYNAME, NULL);
if (vshCommandOptStringReq(ctl, cmd, optname, &n) < 0)
return NULL;
if (pooloptname != NULL &&
vshCommandOptStringReq(ctl, cmd, pooloptname, &p) < 0)
return NULL;
if (p) {
if (!(pool = vshCommandOptPoolBy(ctl, cmd, pooloptname, name, flags)))
return NULL;
if (virStoragePoolIsActive(pool) != 1) {
vshError(ctl, _("pool '%s' is not active"), p);
virStoragePoolFree(pool);
return NULL;
}
}
vshDebug(ctl, VSH_ERR_DEBUG, "%s: found option <%s>: %s\n",
cmd->def->name, optname, n);
if (name)
*name = n;
/* try it by name */
if (pool && (flags & VSH_BYNAME)) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol name\n",
cmd->def->name, optname);
vol = virStorageVolLookupByName(pool, n);
}
/* try it by key */
if (!vol && (flags & VSH_BYUUID)) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol key\n",
cmd->def->name, optname);
vol = virStorageVolLookupByKey(ctl->conn, n);
}
/* try it by path */
if (!vol && (flags & VSH_BYUUID)) {
vshDebug(ctl, VSH_ERR_DEBUG, "%s: <%s> trying as vol path\n",
cmd->def->name, optname);
vol = virStorageVolLookupByPath(ctl->conn, n);
}
if (!vol) {
if (pool || !pooloptname)
vshError(ctl, _("failed to get vol '%s'"), n);
else
vshError(ctl, _("failed to get vol '%s', specifying --%s "
"might help"), n, pooloptname);
}
/* If the pool was specified, then make sure that the returned
* volume is from the given pool */
if (pool && vol) {
virStoragePoolPtr volpool = NULL;
if ((volpool = virStoragePoolLookupByVolume(vol))) {
if (STRNEQ(virStoragePoolGetName(volpool),
virStoragePoolGetName(pool))) {
vshResetLibvirtError();
vshError(ctl,
_("Requested volume '%s' is not in pool '%s'"),
n, virStoragePoolGetName(pool));
virStorageVolFree(vol);
vol = NULL;
}
virStoragePoolFree(volpool);
}
}
if (pool)
virStoragePoolFree(pool);
return vol;
}
