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virDomainDiskTranslateSourcePool: split code to setup one storage source

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Extract all the code setting up one storage source from the rest which
sets up the whole disk. This will allow us to prepare the whole backing
chain.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-02-05 12:08:54 +01:00
parent bc42d88ffd
commit 63469116cc
1 changed files with 55 additions and 57 deletions
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112
src/conf/domain_conf.c
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@ -31426,37 +31426,28 @@ virDomainDiskTranslateISCSIDirect(virStorageSourcePtr src,
}
int
virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
static int
virDomainStorageSourceTranslateSourcePool(virStorageSourcePtr src,
virConnectPtr conn)
{
virStorageVolInfo info;
g_autoptr(virStoragePoolDef) pooldef = NULL;
g_autofree char *poolxml = NULL;
g_autoptr(virConnect) conn = NULL;
g_autoptr(virStoragePool) pool = NULL;
g_autoptr(virStorageVol) vol = NULL;
if (def->src->type != VIR_STORAGE_TYPE_VOLUME)
return 0;
if (!def->src->srcpool)
return 0;
if (!(conn = virGetConnectStorage()))
return -1;
if (!(pool = virStoragePoolLookupByName(conn, def->src->srcpool->pool)))
if (!(pool = virStoragePoolLookupByName(conn, src->srcpool->pool)))
return -1;
if (virStoragePoolIsActive(pool) != 1) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("storage pool '%s' containing volume '%s' "
"is not active"),
def->src->srcpool->pool, def->src->srcpool->volume);
src->srcpool->pool, src->srcpool->volume);
return -1;
}
if (!(vol = virStorageVolLookupByName(pool, def->src->srcpool->volume)))
if (!(vol = virStorageVolLookupByName(pool, src->srcpool->volume)))
return -1;
if (virStorageVolGetInfo(vol, &info) < 0)
@ -31468,22 +31459,22 @@ virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
if (!(pooldef = virStoragePoolDefParseString(poolxml)))
return -1;
def->src->srcpool->pooltype = pooldef->type;
def->src->srcpool->voltype = info.type;
src->srcpool->pooltype = pooldef->type;
src->srcpool->voltype = info.type;
if (def->src->srcpool->mode && pooldef->type != VIR_STORAGE_POOL_ISCSI) {
if (src->srcpool->mode && pooldef->type != VIR_STORAGE_POOL_ISCSI) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("disk source mode is only valid when "
"storage pool is of iscsi type"));
return -1;
}
VIR_FREE(def->src->path);
virStorageNetHostDefFree(def->src->nhosts, def->src->hosts);
def->src->nhosts = 0;
def->src->hosts = NULL;
virStorageAuthDefFree(def->src->auth);
def->src->auth = NULL;
VIR_FREE(src->path);
virStorageNetHostDefFree(src->nhosts, src->hosts);
src->nhosts = 0;
src->hosts = NULL;
virStorageAuthDefFree(src->auth);
src->auth = NULL;
switch ((virStoragePoolType) pooldef->type) {
case VIR_STORAGE_POOL_DIR:
@ -31494,32 +31485,24 @@ virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
case VIR_STORAGE_POOL_SCSI:
case VIR_STORAGE_POOL_ZFS:
case VIR_STORAGE_POOL_VSTORAGE:
if (!(def->src->path = virStorageVolGetPath(vol)))
if (!(src->path = virStorageVolGetPath(vol)))
return -1;
if (def->startupPolicy && info.type != VIR_STORAGE_VOL_FILE) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'startupPolicy' is only valid for "
"'file' type volume"));
return -1;
}
switch (info.type) {
case VIR_STORAGE_VOL_FILE:
def->src->srcpool->actualtype = VIR_STORAGE_TYPE_FILE;
src->srcpool->actualtype = VIR_STORAGE_TYPE_FILE;
break;
case VIR_STORAGE_VOL_DIR:
def->src->srcpool->actualtype = VIR_STORAGE_TYPE_DIR;
src->srcpool->actualtype = VIR_STORAGE_TYPE_DIR;
break;
case VIR_STORAGE_VOL_BLOCK:
def->src->srcpool->actualtype = VIR_STORAGE_TYPE_BLOCK;
src->srcpool->actualtype = VIR_STORAGE_TYPE_BLOCK;
break;
case VIR_STORAGE_VOL_PLOOP:
def->src->srcpool->actualtype = VIR_STORAGE_TYPE_FILE;
src->srcpool->actualtype = VIR_STORAGE_TYPE_FILE;
break;
case VIR_STORAGE_VOL_NETWORK:
@ -31535,39 +31518,25 @@ virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
break;
case VIR_STORAGE_POOL_ISCSI_DIRECT:
if (def->startupPolicy) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'startupPolicy' is only valid for "
"'file' type volume"));
return -1;
}
if (virDomainDiskTranslateISCSIDirect(def->src, pooldef) < 0)
if (virDomainDiskTranslateISCSIDirect(src, pooldef) < 0)
return -1;
break;
case VIR_STORAGE_POOL_ISCSI:
if (def->startupPolicy) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'startupPolicy' is only valid for "
"'file' type volume"));
return -1;
}
switch (def->src->srcpool->mode) {
switch (src->srcpool->mode) {
case VIR_STORAGE_SOURCE_POOL_MODE_DEFAULT:
case VIR_STORAGE_SOURCE_POOL_MODE_LAST:
def->src->srcpool->mode = VIR_STORAGE_SOURCE_POOL_MODE_HOST;
src->srcpool->mode = VIR_STORAGE_SOURCE_POOL_MODE_HOST;
G_GNUC_FALLTHROUGH;
case VIR_STORAGE_SOURCE_POOL_MODE_HOST:
def->src->srcpool->actualtype = VIR_STORAGE_TYPE_BLOCK;
if (!(def->src->path = virStorageVolGetPath(vol)))
src->srcpool->actualtype = VIR_STORAGE_TYPE_BLOCK;
if (!(src->path = virStorageVolGetPath(vol)))
return -1;
break;
case VIR_STORAGE_SOURCE_POOL_MODE_DIRECT:
if (virDomainDiskTranslateISCSIDirect(def->src, pooldef) < 0)
if (virDomainDiskTranslateISCSIDirect(src, pooldef) < 0)
return -1;
break;
}
@ -31589,6 +31558,35 @@ virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
}
int
virDomainDiskTranslateSourcePool(virDomainDiskDefPtr def)
{
g_autoptr(virConnect) conn = NULL;
if (def->src->type != VIR_STORAGE_TYPE_VOLUME)
return 0;
if (!def->src->srcpool)
return 0;
if (!(conn = virGetConnectStorage()))
return -1;
if (virDomainStorageSourceTranslateSourcePool(def->src, conn) < 0)
return -1;
if (def->startupPolicy != 0 &&
virStorageSourceGetActualType(def->src) != VIR_STORAGE_VOL_FILE) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("'startupPolicy' is only valid for "
"'file' type volume"));
return -1;
}
return 0;
}
/**
* virDomainDiskGetDetectZeroesMode:
* @discard: disk/image sector discard setting