static int
parallelsStorageVolDelete(virStorageVolPtr vol, unsigned int flags)
{
parallelsConnPtr privconn = vol->conn->privateData;
virStoragePoolObjPtr privpool;
virStorageVolDefPtr privvol;
int ret = -1;
virCheckFlags(0, -1);
parallelsDriverLock(privconn);
privpool = virStoragePoolObjFindByName(&privconn->pools, vol->pool);
parallelsDriverUnlock(privconn);
if (privpool == NULL) {
parallelsPoolNotFoundError(vol->pool);
goto cleanup;
}
privvol = virStorageVolDefFindByName(privpool, vol->name);
if (privvol == NULL) {
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching name '%s'"), vol->name);
goto cleanup;
}
if (!virStoragePoolObjIsActive(privpool)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("storage pool '%s' is not active"), vol->pool);
goto cleanup;
}
if (parallelsStorageVolDefRemove(privpool, privvol))
goto cleanup;
ret = 0;
cleanup:
if (privpool)
virStoragePoolObjUnlock(privpool);
return ret;
}
static int
parallelsStorageVolGetInfo(virStorageVolPtr vol, virStorageVolInfoPtr info)
{
parallelsConnPtr privconn = vol->conn->privateData;
virStoragePoolObjPtr privpool;
virStorageVolDefPtr privvol;
int ret = -1;
parallelsDriverLock(privconn);
privpool = virStoragePoolObjFindByName(&privconn->pools, vol->pool);
parallelsDriverUnlock(privconn);
if (privpool == NULL) {
parallelsPoolNotFoundError(vol->pool);
goto cleanup;
}
privvol = virStorageVolDefFindByName(privpool, vol->name);
if (privvol == NULL) {
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching name '%s'"), vol->name);
goto cleanup;
}
if (!virStoragePoolObjIsActive(privpool)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("storage pool '%s' is not active"), vol->pool);
goto cleanup;
}
memset(info, 0, sizeof(*info));
info->type = parallelsStorageVolTypeForPool(privpool->def->type);
info->capacity = privvol->target.capacity;
info->allocation = privvol->target.allocation;
ret = 0;
cleanup:
if (privpool)
virStoragePoolObjUnlock(privpool);
return ret;
}
static virStorageVolPtr
parallelsStorageVolLookupByName(virStoragePoolPtr pool,
const char *name)
{
parallelsConnPtr privconn = pool->conn->privateData;
virStoragePoolObjPtr privpool;
virStorageVolDefPtr privvol;
virStorageVolPtr ret = NULL;
parallelsDriverLock(privconn);
privpool = virStoragePoolObjFindByName(&privconn->pools, pool->name);
parallelsDriverUnlock(privconn);
if (privpool == NULL) {
parallelsPoolNotFoundError(pool->name);
goto cleanup;
}
if (!virStoragePoolObjIsActive(privpool)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("storage pool '%s' is not active"), pool->name);
goto cleanup;
}
privvol = virStorageVolDefFindByName(privpool, name);
if (!privvol) {
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching name '%s'"), name);
goto cleanup;
}
ret = virGetStorageVol(pool->conn, privpool->def->name,
privvol->name, privvol->key,
NULL, NULL);
cleanup:
if (privpool)
virStoragePoolObjUnlock(privpool);
return ret;
}
static char *
parallelsStorageVolGetPath(virStorageVolPtr vol)
{
parallelsConnPtr privconn = vol->conn->privateData;
virStoragePoolObjPtr privpool;
virStorageVolDefPtr privvol;
char *ret = NULL;
parallelsDriverLock(privconn);
privpool = virStoragePoolObjFindByName(&privconn->pools, vol->pool);
parallelsDriverUnlock(privconn);
if (privpool == NULL) {
parallelsPoolNotFoundError(vol->pool);
goto cleanup;
}
privvol = virStorageVolDefFindByName(privpool, vol->name);
if (privvol == NULL) {
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching name '%s'"), vol->name);
goto cleanup;
}
if (!virStoragePoolObjIsActive(privpool)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("storage pool '%s' is not active"), vol->pool);
goto cleanup;
}
ignore_value(VIR_STRDUP(ret, privvol->target.path));
cleanup:
if (privpool)
virStoragePoolObjUnlock(privpool);
return ret;
}
static int
virStorageBackendLogicalMakeVol(virStoragePoolObjPtr pool,
char **const groups,
void *data)
{
virStorageVolDefPtr vol = NULL;
bool is_new_vol = false;
unsigned long long offset, size, length;
const char *regex_unit = "(\\S+)\\((\\S+)\\)";
char *regex = NULL;
regex_t *reg = NULL;
regmatch_t *vars = NULL;
char *p = NULL;
size_t i;
int err, nextents, nvars, ret = -1;
const char *attrs = groups[9];
/* Skip inactive volume */
if (attrs[4] != 'a')
return 0;
/*
* Skip thin pools(t). These show up in normal lvs output
* but do not have a corresponding /dev/$vg/$lv device that
* is created by udev. This breaks assumptions in later code.
*/
if (attrs[0] == 't')
return 0;
/* See if we're only looking for a specific volume */
if (data != NULL) {
vol = data;
if (STRNEQ(vol->name, groups[0]))
return 0;
}
/* Or filling in more data on an existing volume */
if (vol == NULL)
vol = virStorageVolDefFindByName(pool, groups[0]);
/* Or a completely new volume */
if (vol == NULL) {
if (VIR_ALLOC(vol) < 0)
return -1;
is_new_vol = true;
vol->type = VIR_STORAGE_VOL_BLOCK;
if (VIR_STRDUP(vol->name, groups[0]) < 0)
goto cleanup;
if (VIR_REALLOC_N(pool->volumes.objs,
pool->volumes.count + 1))
goto cleanup;
}
if (vol->target.path == NULL) {
if (virAsprintf(&vol->target.path, "%s/%s",
pool->def->target.path, vol->name) < 0)
goto cleanup;
}
/* Skips the backingStore of lv created with "--virtualsize",
* its original device "/dev/$vgname/$lvname_vorigin" is
* just for lvm internal use, one should never use it.
*
* (lvs outputs "[$lvname_vorigin] for field "origin" if the
* lv is created with "--virtualsize").
*/
if (groups[1] && !STREQ(groups[1], "") && (groups[1][0] != '[')) {
if (virAsprintf(&vol->backingStore.path, "%s/%s",
pool->def->target.path, groups[1]) < 0)
goto cleanup;
vol->backingStore.format = VIR_STORAGE_POOL_LOGICAL_LVM2;
}
if (!vol->key && VIR_STRDUP(vol->key, groups[2]) < 0)
goto cleanup;
if (virStorageBackendUpdateVolInfo(vol, 1) < 0)
goto cleanup;
nextents = 1;
if (STREQ(groups[4], VIR_STORAGE_VOL_LOGICAL_SEGTYPE_STRIPED)) {
if (virStrToLong_i(groups[5], NULL, 10, &nextents) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed volume extent stripes value"));
goto cleanup;
}
}
/* Finally fill in extents information */
if (VIR_REALLOC_N(vol->source.extents,
vol->source.nextent + nextents) < 0)
goto cleanup;
if (virStrToLong_ull(groups[6], NULL, 10, &length) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume extent length value"));
goto cleanup;
}
if (virStrToLong_ull(groups[7], NULL, 10, &size) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume extent size value"));
goto cleanup;
}
if (virStrToLong_ull(groups[8], NULL, 10, &vol->allocation) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume allocation value"));
goto cleanup;
}
/* Now parse the "devices" field separately */
if (VIR_STRDUP(regex, regex_unit) < 0)
goto cleanup;
for (i = 1; i < nextents; i++) {
if (VIR_REALLOC_N(regex, strlen(regex) + strlen(regex_unit) + 2) < 0)
goto cleanup;
/* "," is the separator of "devices" field */
strcat(regex, ",");
strncat(regex, regex_unit, strlen(regex_unit));
}
if (VIR_ALLOC(reg) < 0)
goto cleanup;
/* Each extent has a "path:offset" pair, and vars[0] will
* be the whole matched string.
*/
nvars = (nextents * 2) + 1;
if (VIR_ALLOC_N(vars, nvars) < 0)
goto cleanup;
err = regcomp(reg, regex, REG_EXTENDED);
if (err != 0) {
char error[100];
regerror(err, reg, error, sizeof(error));
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Failed to compile regex %s"),
error);
goto cleanup;
}
err = regexec(reg, groups[3], nvars, vars, 0);
regfree(reg);
if (err != 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed volume extent devices value"));
goto cleanup;
}
p = groups[3];
/* vars[0] is skipped */
for (i = 0; i < nextents; i++) {
size_t j;
int len;
char *offset_str = NULL;
j = (i * 2) + 1;
len = vars[j].rm_eo - vars[j].rm_so;
p[vars[j].rm_eo] = '\0';
if (VIR_STRNDUP(vol->source.extents[vol->source.nextent].path,
p + vars[j].rm_so, len) < 0)
goto cleanup;
len = vars[j + 1].rm_eo - vars[j + 1].rm_so;
if (VIR_STRNDUP(offset_str, p + vars[j + 1].rm_so, len) < 0)
goto cleanup;
if (virStrToLong_ull(offset_str, NULL, 10, &offset) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
_("malformed volume extent offset value"));
VIR_FREE(offset_str);
goto cleanup;
}
VIR_FREE(offset_str);
vol->source.extents[vol->source.nextent].start = offset * size;
vol->source.extents[vol->source.nextent].end = (offset * size) + length;
vol->source.nextent++;
}
if (is_new_vol)
pool->volumes.objs[pool->volumes.count++] = vol;
ret = 0;
cleanup:
VIR_FREE(regex);
VIR_FREE(reg);
VIR_FREE(vars);
if (is_new_vol && (ret == -1))
virStorageVolDefFree(vol);
return ret;
}
static int
virStorageBackendLogicalMakeVol(virStoragePoolObjPtr pool,
char **const groups,
void *data)
{
virStorageVolDefPtr vol = NULL;
unsigned long long offset, size, length;
/* See if we're only looking for a specific volume */
if (data != NULL) {
vol = data;
if (STRNEQ(vol->name, groups[0]))
return 0;
}
/* Or filling in more data on an existing volume */
if (vol == NULL)
vol = virStorageVolDefFindByName(pool, groups[0]);
/* Or a completely new volume */
if (vol == NULL) {
if (VIR_ALLOC(vol) < 0) {
virReportOOMError();
return -1;
}
vol->type = VIR_STORAGE_VOL_BLOCK;
if ((vol->name = strdup(groups[0])) == NULL) {
virReportOOMError();
virStorageVolDefFree(vol);
return -1;
}
if (VIR_REALLOC_N(pool->volumes.objs,
pool->volumes.count + 1)) {
virReportOOMError();
virStorageVolDefFree(vol);
return -1;
}
pool->volumes.objs[pool->volumes.count++] = vol;
}
if (vol->target.path == NULL) {
if (virAsprintf(&vol->target.path, "%s/%s",
pool->def->target.path, vol->name) < 0) {
virReportOOMError();
virStorageVolDefFree(vol);
return -1;
}
}
if (groups[1] && !STREQ(groups[1], "")) {
if (virAsprintf(&vol->backingStore.path, "%s/%s",
pool->def->target.path, groups[1]) < 0) {
virReportOOMError();
virStorageVolDefFree(vol);
return -1;
}
vol->backingStore.format = VIR_STORAGE_POOL_LOGICAL_LVM2;
}
if (vol->key == NULL &&
(vol->key = strdup(groups[2])) == NULL) {
virReportOOMError();
return -1;
}
if (virStorageBackendUpdateVolInfo(vol, 1) < 0)
return -1;
/* Finally fill in extents information */
if (VIR_REALLOC_N(vol->source.extents,
vol->source.nextent + 1) < 0) {
virReportOOMError();
return -1;
}
if ((vol->source.extents[vol->source.nextent].path =
strdup(groups[3])) == NULL) {
virReportOOMError();
return -1;
}
if (virStrToLong_ull(groups[4], NULL, 10, &offset) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume extent offset value"));
return -1;
}
if (virStrToLong_ull(groups[5], NULL, 10, &length) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume extent length value"));
return -1;
}
if (virStrToLong_ull(groups[6], NULL, 10, &size) < 0) {
virStorageReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volume extent size value"));
return -1;
}
vol->source.extents[vol->source.nextent].start = offset * size;
vol->source.extents[vol->source.nextent].end = (offset * size) + length;
vol->source.nextent++;
return 0;
}
static int
virStorageBackendZFSParseVol(virStoragePoolObjPtr pool,
virStorageVolDefPtr vol,
const char *volume_string)
{
int ret = -1;
char **tokens;
size_t count;
char **name_tokens = NULL;
char *vol_name;
bool is_new_vol = false;
virStorageVolDefPtr volume = NULL;
if (!(tokens = virStringSplitCount(volume_string, "\t", 0, &count)))
return -1;
if (count != 2)
goto cleanup;
if (!(name_tokens = virStringSplit(tokens[0], "/", 2)))
goto cleanup;
vol_name = name_tokens[1];
if (vol == NULL)
volume = virStorageVolDefFindByName(pool, vol_name);
else
volume = vol;
if (volume == NULL) {
if (VIR_ALLOC(volume) < 0)
goto cleanup;
is_new_vol = true;
volume->type = VIR_STORAGE_VOL_BLOCK;
if (VIR_STRDUP(volume->name, vol_name) < 0)
goto cleanup;
}
if (!volume->key && VIR_STRDUP(volume->key, tokens[0]) < 0)
goto cleanup;
if (volume->target.path == NULL) {
if (virAsprintf(&volume->target.path, "%s/%s",
pool->def->target.path, volume->name) < 0)
goto cleanup;
}
if (virStrToLong_ull(tokens[1], NULL, 10, &volume->target.capacity) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
"%s", _("malformed volsize reported"));
goto cleanup;
}
if (is_new_vol &&
VIR_APPEND_ELEMENT(pool->volumes.objs,
pool->volumes.count,
volume) < 0)
goto cleanup;
ret = 0;
cleanup:
virStringFreeList(tokens);
virStringFreeList(name_tokens);
if (is_new_vol)
virStorageVolDefFree(volume);
return ret;
}
static virStorageVolPtr
parallelsStorageVolCreateXMLFrom(virStoragePoolPtr pool,
const char *xmldesc,
virStorageVolPtr clonevol,
unsigned int flags)
{
parallelsConnPtr privconn = pool->conn->privateData;
virStoragePoolObjPtr privpool;
virStorageVolDefPtr privvol = NULL, origvol = NULL;
virStorageVolPtr ret = NULL;
virCheckFlags(0, NULL);
parallelsDriverLock(privconn);
privpool = virStoragePoolObjFindByName(&privconn->pools, pool->name);
parallelsDriverUnlock(privconn);
if (privpool == NULL) {
parallelsPoolNotFoundError(pool->name);
goto cleanup;
}
if (!virStoragePoolObjIsActive(privpool)) {
virReportError(VIR_ERR_OPERATION_INVALID,
_("storage pool '%s' is not active"), pool->name);
goto cleanup;
}
privvol = virStorageVolDefParseString(privpool->def, xmldesc);
if (privvol == NULL)
goto cleanup;
if (virStorageVolDefFindByName(privpool, privvol->name)) {
virReportError(VIR_ERR_OPERATION_FAILED,
"%s", _("storage vol already exists"));
goto cleanup;
}
origvol = virStorageVolDefFindByName(privpool, clonevol->name);
if (!origvol) {
virReportError(VIR_ERR_NO_STORAGE_VOL,
_("no storage vol with matching name '%s'"),
clonevol->name);
goto cleanup;
}
/* Make sure enough space */
if ((privpool->def->allocation + privvol->target.allocation) >
privpool->def->capacity) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Not enough free space in pool for volume '%s'"),
privvol->name);
goto cleanup;
}
privpool->def->available = (privpool->def->capacity -
privpool->def->allocation);
if (virAsprintf(&privvol->target.path, "%s/%s",
privpool->def->target.path, privvol->name) == -1)
goto cleanup;
if (VIR_STRDUP(privvol->key, privvol->target.path) < 0)
goto cleanup;
privpool->def->allocation += privvol->target.allocation;
privpool->def->available = (privpool->def->capacity -
privpool->def->allocation);
if (VIR_APPEND_ELEMENT_COPY(privpool->volumes.objs,
privpool->volumes.count, privvol) < 0)
goto cleanup;
ret = virGetStorageVol(pool->conn, privpool->def->name,
privvol->name, privvol->key,
NULL, NULL);
privvol = NULL;
cleanup:
virStorageVolDefFree(privvol);
if (privpool)
virStoragePoolObjUnlock(privpool);
return ret;
}
static virStorageVolDefPtr
parallelsStorageVolDefineXML(virStoragePoolObjPtr pool,
const char *xmldesc,
const char *xmlfile, bool is_new)
{
virStorageVolDefPtr privvol = NULL;
virStorageVolDefPtr ret = NULL;
char *xml_path = NULL;
if (xmlfile)
privvol = virStorageVolDefParseFile(pool->def, xmlfile);
else
privvol = virStorageVolDefParseString(pool->def, xmldesc);
if (privvol == NULL)
goto cleanup;
if (virStorageVolDefFindByName(pool, privvol->name)) {
virReportError(VIR_ERR_OPERATION_FAILED,
"%s", _("storage vol already exists"));
goto cleanup;
}
if (is_new) {
/* Make sure enough space */
if ((pool->def->allocation + privvol->target.allocation) >
pool->def->capacity) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("Not enough free space in pool for volume '%s'"),
privvol->name);
goto cleanup;
}
}
if (virAsprintf(&privvol->target.path, "%s/%s",
pool->def->target.path, privvol->name) < 0)
goto cleanup;
if (VIR_STRDUP(privvol->key, privvol->target.path) < 0)
goto cleanup;
if (is_new) {
xml_path = parallelsAddFileExt(privvol->target.path, ".xml");
if (!xml_path)
goto cleanup;
if (virXMLSaveFile(xml_path, NULL, "volume-create", xmldesc)) {
virReportError(VIR_ERR_OPERATION_FAILED, "%s",
_("Can't create file with volume description"));
goto cleanup;
}
pool->def->allocation += privvol->target.allocation;
pool->def->available = (pool->def->capacity -
pool->def->allocation);
}
if (VIR_APPEND_ELEMENT_COPY(pool->volumes.objs,
pool->volumes.count, privvol) < 0)
goto cleanup;
ret = privvol;
privvol = NULL;
cleanup:
virStorageVolDefFree(privvol);
VIR_FREE(xml_path);
return ret;
}
