/* * storage_conf.c: config handling for storage driver * * Copyright (C) 2006-2014 Red Hat, Inc. * Copyright (C) 2006-2008 Daniel P. Berrange * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. If not, see * . * * Author: Daniel P. Berrange */ #include #include #include #include #include #include #include #include #include #include #include "virerror.h" #include "datatypes.h" #include "storage_conf.h" #include "virstoragefile.h" #include "virxml.h" #include "viruuid.h" #include "virbuffer.h" #include "viralloc.h" #include "virfile.h" #include "virstring.h" #include "virlog.h" #define VIR_FROM_THIS VIR_FROM_STORAGE VIR_LOG_INIT("conf.storage_conf"); VIR_ENUM_IMPL(virStorageVol, VIR_STORAGE_VOL_LAST, "file", "block", "dir", "network", "netdir") VIR_ENUM_IMPL(virStoragePool, VIR_STORAGE_POOL_LAST, "dir", "fs", "netfs", "logical", "disk", "iscsi", "scsi", "mpath", "rbd", "sheepdog", "gluster", "zfs") VIR_ENUM_IMPL(virStoragePoolFormatFileSystem, VIR_STORAGE_POOL_FS_LAST, "auto", "ext2", "ext3", "ext4", "ufs", "iso9660", "udf", "gfs", "gfs2", "vfat", "hfs+", "xfs", "ocfs2") VIR_ENUM_IMPL(virStoragePoolFormatFileSystemNet, VIR_STORAGE_POOL_NETFS_LAST, "auto", "nfs", "glusterfs", "cifs") VIR_ENUM_IMPL(virStoragePoolFormatDisk, VIR_STORAGE_POOL_DISK_LAST, "unknown", "dos", "dvh", "gpt", "mac", "bsd", "pc98", "sun", "lvm2") VIR_ENUM_IMPL(virStoragePoolFormatLogical, VIR_STORAGE_POOL_LOGICAL_LAST, "unknown", "lvm2") VIR_ENUM_IMPL(virStorageVolFormatDisk, VIR_STORAGE_VOL_DISK_LAST, "none", "linux", "fat16", "fat32", "linux-swap", "linux-lvm", "linux-raid", "extended") VIR_ENUM_IMPL(virStoragePartedFs, VIR_STORAGE_PARTED_FS_TYPE_LAST, "ext2", "ext2", "fat16", "fat32", "linux-swap", "ext2", "ext2", "extended") VIR_ENUM_IMPL(virStoragePoolSourceAdapter, VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_LAST, "default", "scsi_host", "fc_host") typedef const char *(*virStorageVolFormatToString)(int format); typedef int (*virStorageVolFormatFromString)(const char *format); typedef const char *(*virStoragePoolFormatToString)(int format); typedef int (*virStoragePoolFormatFromString)(const char *format); typedef struct _virStorageVolOptions virStorageVolOptions; typedef virStorageVolOptions *virStorageVolOptionsPtr; struct _virStorageVolOptions { int defaultFormat; virStorageVolFormatToString formatToString; virStorageVolFormatFromString formatFromString; }; /* Flags to indicate mandatory components in the pool source */ enum { VIR_STORAGE_POOL_SOURCE_HOST = (1 << 0), VIR_STORAGE_POOL_SOURCE_DEVICE = (1 << 1), VIR_STORAGE_POOL_SOURCE_DIR = (1 << 2), VIR_STORAGE_POOL_SOURCE_ADAPTER = (1 << 3), VIR_STORAGE_POOL_SOURCE_NAME = (1 << 4), VIR_STORAGE_POOL_SOURCE_INITIATOR_IQN = (1 << 5), VIR_STORAGE_POOL_SOURCE_NETWORK = (1 << 6), }; typedef struct _virStoragePoolOptions virStoragePoolOptions; typedef virStoragePoolOptions *virStoragePoolOptionsPtr; struct _virStoragePoolOptions { unsigned int flags; int defaultFormat; virStoragePoolFormatToString formatToString; virStoragePoolFormatFromString formatFromString; }; typedef struct _virStoragePoolTypeInfo virStoragePoolTypeInfo; typedef virStoragePoolTypeInfo *virStoragePoolTypeInfoPtr; struct _virStoragePoolTypeInfo { int poolType; virStoragePoolOptions poolOptions; virStorageVolOptions volOptions; }; static int virStorageVolumeFormatFromString(const char *format) { int ret = virStorageFileFormatTypeFromString(format); if (ret == VIR_STORAGE_FILE_NONE) return -1; return ret; } static virStoragePoolTypeInfo poolTypeInfo[] = { {.poolType = VIR_STORAGE_POOL_LOGICAL, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_NAME | VIR_STORAGE_POOL_SOURCE_DEVICE), .defaultFormat = VIR_STORAGE_POOL_LOGICAL_LVM2, .formatFromString = virStoragePoolFormatLogicalTypeFromString, .formatToString = virStoragePoolFormatLogicalTypeToString, }, }, {.poolType = VIR_STORAGE_POOL_DIR, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatFromString = virStorageVolumeFormatFromString, .formatToString = virStorageFileFormatTypeToString, }, }, {.poolType = VIR_STORAGE_POOL_FS, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_DEVICE), .defaultFormat = VIR_STORAGE_POOL_FS_AUTO, .formatFromString = virStoragePoolFormatFileSystemTypeFromString, .formatToString = virStoragePoolFormatFileSystemTypeToString, }, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatFromString = virStorageVolumeFormatFromString, .formatToString = virStorageFileFormatTypeToString, }, }, {.poolType = VIR_STORAGE_POOL_NETFS, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_HOST | VIR_STORAGE_POOL_SOURCE_DIR), .defaultFormat = VIR_STORAGE_POOL_NETFS_AUTO, .formatFromString = virStoragePoolFormatFileSystemNetTypeFromString, .formatToString = virStoragePoolFormatFileSystemNetTypeToString, }, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatFromString = virStorageVolumeFormatFromString, .formatToString = virStorageFileFormatTypeToString, }, }, {.poolType = VIR_STORAGE_POOL_ISCSI, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_HOST | VIR_STORAGE_POOL_SOURCE_DEVICE | VIR_STORAGE_POOL_SOURCE_INITIATOR_IQN), }, .volOptions = { .formatToString = virStoragePoolFormatDiskTypeToString, } }, {.poolType = VIR_STORAGE_POOL_SCSI, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_ADAPTER), }, .volOptions = { .formatToString = virStoragePoolFormatDiskTypeToString, } }, {.poolType = VIR_STORAGE_POOL_RBD, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_HOST | VIR_STORAGE_POOL_SOURCE_NETWORK | VIR_STORAGE_POOL_SOURCE_NAME), }, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatToString = virStoragePoolFormatDiskTypeToString, } }, {.poolType = VIR_STORAGE_POOL_SHEEPDOG, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_HOST | VIR_STORAGE_POOL_SOURCE_NETWORK | VIR_STORAGE_POOL_SOURCE_NAME), }, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatToString = virStoragePoolFormatDiskTypeToString, } }, {.poolType = VIR_STORAGE_POOL_GLUSTER, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_HOST | VIR_STORAGE_POOL_SOURCE_NETWORK | VIR_STORAGE_POOL_SOURCE_NAME | VIR_STORAGE_POOL_SOURCE_DIR), }, .volOptions = { .defaultFormat = VIR_STORAGE_FILE_RAW, .formatToString = virStorageFileFormatTypeToString, .formatFromString = virStorageVolumeFormatFromString, } }, {.poolType = VIR_STORAGE_POOL_MPATH, .volOptions = { .formatToString = virStoragePoolFormatDiskTypeToString, } }, {.poolType = VIR_STORAGE_POOL_DISK, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_DEVICE), .defaultFormat = VIR_STORAGE_POOL_DISK_UNKNOWN, .formatFromString = virStoragePoolFormatDiskTypeFromString, .formatToString = virStoragePoolFormatDiskTypeToString, }, .volOptions = { .defaultFormat = VIR_STORAGE_VOL_DISK_NONE, .formatFromString = virStorageVolFormatDiskTypeFromString, .formatToString = virStorageVolFormatDiskTypeToString, }, }, {.poolType = VIR_STORAGE_POOL_ZFS, .poolOptions = { .flags = (VIR_STORAGE_POOL_SOURCE_NAME | VIR_STORAGE_POOL_SOURCE_DEVICE), .defaultFormat = VIR_STORAGE_FILE_RAW, }, }, }; static virStoragePoolTypeInfoPtr virStoragePoolTypeInfoLookup(int type) { size_t i; for (i = 0; i < ARRAY_CARDINALITY(poolTypeInfo); i++) if (poolTypeInfo[i].poolType == type) return &poolTypeInfo[i]; virReportError(VIR_ERR_INTERNAL_ERROR, _("missing backend for pool type %d"), type); return NULL; } static virStoragePoolOptionsPtr virStoragePoolOptionsForPoolType(int type) { virStoragePoolTypeInfoPtr backend = virStoragePoolTypeInfoLookup(type); if (backend == NULL) return NULL; return &backend->poolOptions; } static virStorageVolOptionsPtr virStorageVolOptionsForPoolType(int type) { virStoragePoolTypeInfoPtr backend = virStoragePoolTypeInfoLookup(type); if (backend == NULL) return NULL; return &backend->volOptions; } void virStorageVolDefFree(virStorageVolDefPtr def) { size_t i; if (!def) return; VIR_FREE(def->name); VIR_FREE(def->key); for (i = 0; i < def->source.nextent; i++) VIR_FREE(def->source.extents[i].path); VIR_FREE(def->source.extents); virStorageSourceClear(&def->target); VIR_FREE(def); } static void virStoragePoolSourceAdapterClear(virStoragePoolSourceAdapterPtr adapter) { if (adapter->type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { VIR_FREE(adapter->data.fchost.wwnn); VIR_FREE(adapter->data.fchost.wwpn); VIR_FREE(adapter->data.fchost.parent); } else if (adapter->type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { VIR_FREE(adapter->data.scsi_host.name); } } void virStoragePoolSourceDeviceClear(virStoragePoolSourceDevicePtr dev) { VIR_FREE(dev->freeExtents); VIR_FREE(dev->path); } void virStoragePoolSourceClear(virStoragePoolSourcePtr source) { size_t i; if (!source) return; for (i = 0; i < source->nhost; i++) VIR_FREE(source->hosts[i].name); VIR_FREE(source->hosts); for (i = 0; i < source->ndevice; i++) virStoragePoolSourceDeviceClear(&source->devices[i]); VIR_FREE(source->devices); VIR_FREE(source->dir); VIR_FREE(source->name); virStoragePoolSourceAdapterClear(&source->adapter); VIR_FREE(source->initiator.iqn); virStorageAuthDefFree(source->auth); VIR_FREE(source->vendor); VIR_FREE(source->product); } void virStoragePoolSourceFree(virStoragePoolSourcePtr source) { virStoragePoolSourceClear(source); VIR_FREE(source); } void virStoragePoolDefFree(virStoragePoolDefPtr def) { if (!def) return; VIR_FREE(def->name); virStoragePoolSourceClear(&def->source); VIR_FREE(def->target.path); VIR_FREE(def->target.perms.label); VIR_FREE(def); } void virStoragePoolObjFree(virStoragePoolObjPtr obj) { if (!obj) return; virStoragePoolObjClearVols(obj); virStoragePoolDefFree(obj->def); virStoragePoolDefFree(obj->newDef); VIR_FREE(obj->configFile); VIR_FREE(obj->autostartLink); virMutexDestroy(&obj->lock); VIR_FREE(obj); } void virStoragePoolObjListFree(virStoragePoolObjListPtr pools) { size_t i; for (i = 0; i < pools->count; i++) virStoragePoolObjFree(pools->objs[i]); VIR_FREE(pools->objs); pools->count = 0; } void virStoragePoolObjRemove(virStoragePoolObjListPtr pools, virStoragePoolObjPtr pool) { size_t i; virStoragePoolObjUnlock(pool); for (i = 0; i < pools->count; i++) { virStoragePoolObjLock(pools->objs[i]); if (pools->objs[i] == pool) { virStoragePoolObjUnlock(pools->objs[i]); virStoragePoolObjFree(pools->objs[i]); VIR_DELETE_ELEMENT(pools->objs, i, pools->count); break; } virStoragePoolObjUnlock(pools->objs[i]); } } static int virStoragePoolDefParseSource(xmlXPathContextPtr ctxt, virStoragePoolSourcePtr source, int pool_type, xmlNodePtr node) { int ret = -1; xmlNodePtr relnode, authnode, *nodeset = NULL; int nsource; size_t i; virStoragePoolOptionsPtr options; virStorageAuthDefPtr authdef = NULL; char *name = NULL; char *port = NULL; char *adapter_type = NULL; char *managed = NULL; int n; relnode = ctxt->node; ctxt->node = node; if ((options = virStoragePoolOptionsForPoolType(pool_type)) == NULL) goto cleanup; source->name = virXPathString("string(./name)", ctxt); if (pool_type == VIR_STORAGE_POOL_RBD && source->name == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("element 'name' is mandatory for RBD pool")); goto cleanup; } if (options->formatFromString) { char *format = virXPathString("string(./format/@type)", ctxt); if (format == NULL) source->format = options->defaultFormat; else source->format = options->formatFromString(format); if (source->format < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown pool format type %s"), format); VIR_FREE(format); goto cleanup; } VIR_FREE(format); } if ((n = virXPathNodeSet("./host", ctxt, &nodeset)) < 0) goto cleanup; if (n) { if (VIR_ALLOC_N(source->hosts, n) < 0) goto cleanup; source->nhost = n; for (i = 0; i < source->nhost; i++) { name = virXMLPropString(nodeset[i], "name"); if (name == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool host name")); goto cleanup; } source->hosts[i].name = name; port = virXMLPropString(nodeset[i], "port"); if (port) { if (virStrToLong_i(port, NULL, 10, &source->hosts[i].port) < 0) { virReportError(VIR_ERR_XML_ERROR, _("Invalid port number: %s"), port); goto cleanup; } } } } VIR_FREE(nodeset); source->initiator.iqn = virXPathString("string(./initiator/iqn/@name)", ctxt); nsource = virXPathNodeSet("./device", ctxt, &nodeset); if (nsource < 0) goto cleanup; for (i = 0; i < nsource; i++) { virStoragePoolSourceDevice dev = { .path = NULL }; dev.path = virXMLPropString(nodeset[i], "path"); if (dev.path == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool source device path")); goto cleanup; } if (VIR_APPEND_ELEMENT(source->devices, source->ndevice, dev) < 0) { virStoragePoolSourceDeviceClear(&dev); goto cleanup; } } source->dir = virXPathString("string(./dir/@path)", ctxt); /* In gluster, a missing dir defaults to "/" */ if (!source->dir && pool_type == VIR_STORAGE_POOL_GLUSTER && VIR_STRDUP(source->dir, "/") < 0) goto cleanup; if ((adapter_type = virXPathString("string(./adapter/@type)", ctxt))) { if ((source->adapter.type = virStoragePoolSourceAdapterTypeFromString(adapter_type)) <= 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("Unknown pool adapter type '%s'"), adapter_type); goto cleanup; } if (source->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { source->adapter.data.fchost.parent = virXPathString("string(./adapter/@parent)", ctxt); managed = virXPathString("string(./adapter/@managed)", ctxt); if (managed) { source->adapter.data.fchost.managed = virTristateBoolTypeFromString(managed); if (source->adapter.data.fchost.managed < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown fc_host managed setting '%s'"), managed); goto cleanup; } } source->adapter.data.fchost.wwnn = virXPathString("string(./adapter/@wwnn)", ctxt); source->adapter.data.fchost.wwpn = virXPathString("string(./adapter/@wwpn)", ctxt); } else if (source->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { source->adapter.data.scsi_host.name = virXPathString("string(./adapter/@name)", ctxt); if (virXPathNode("./adapter/parentaddr", ctxt)) { xmlNodePtr addrnode = virXPathNode("./adapter/parentaddr/address", ctxt); virDevicePCIAddressPtr addr = &source->adapter.data.scsi_host.parentaddr; if (!addrnode) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Missing scsi_host PCI address element")); goto cleanup; } source->adapter.data.scsi_host.has_parent = true; if (virDevicePCIAddressParseXML(addrnode, addr) < 0) goto cleanup; if ((virXPathInt("string(./adapter/parentaddr/@unique_id)", ctxt, &source->adapter.data.scsi_host.unique_id) < 0) || (source->adapter.data.scsi_host.unique_id < 0)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Missing or invalid scsi adapter " "'unique_id' value")); goto cleanup; } } } } else { char *wwnn = NULL; char *wwpn = NULL; char *parent = NULL; /* "type" was not specified in the XML, so we must verify that * "wwnn", "wwpn", "parent", or "parentaddr" are also not in the * XML. If any are found, then we cannot just use "name" alone". */ wwnn = virXPathString("string(./adapter/@wwnn)", ctxt); wwpn = virXPathString("string(./adapter/@wwpn)", ctxt); parent = virXPathString("string(./adapter/@parent)", ctxt); if (wwnn || wwpn || parent) { VIR_FREE(wwnn); VIR_FREE(wwpn); VIR_FREE(parent); virReportError(VIR_ERR_XML_ERROR, "%s", _("Use of 'wwnn', 'wwpn', and 'parent' attributes " "requires use of the adapter 'type'")); goto cleanup; } if (virXPathNode("./adapter/parentaddr", ctxt)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Use of 'parent' element requires use " "of the adapter 'type'")); goto cleanup; } /* To keep back-compat, 'type' is not required to specify * for scsi_host adapter. */ if ((source->adapter.data.scsi_host.name = virXPathString("string(./adapter/@name)", ctxt))) source->adapter.type = VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST; } if ((authnode = virXPathNode("./auth", ctxt))) { if (!(authdef = virStorageAuthDefParse(node->doc, authnode))) goto cleanup; if (authdef->authType == VIR_STORAGE_AUTH_TYPE_NONE) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", _("storage pool missing auth type")); goto cleanup; } source->auth = authdef; authdef = NULL; } source->vendor = virXPathString("string(./vendor/@name)", ctxt); source->product = virXPathString("string(./product/@name)", ctxt); ret = 0; cleanup: ctxt->node = relnode; VIR_FREE(port); VIR_FREE(nodeset); VIR_FREE(adapter_type); VIR_FREE(managed); virStorageAuthDefFree(authdef); return ret; } virStoragePoolSourcePtr virStoragePoolDefParseSourceString(const char *srcSpec, int pool_type) { xmlDocPtr doc = NULL; xmlNodePtr node = NULL; xmlXPathContextPtr xpath_ctxt = NULL; virStoragePoolSourcePtr def = NULL, ret = NULL; if (!(doc = virXMLParseStringCtxt(srcSpec, _("(storage_source_specification)"), &xpath_ctxt))) goto cleanup; if (VIR_ALLOC(def) < 0) goto cleanup; if (!(node = virXPathNode("/source", xpath_ctxt))) { virReportError(VIR_ERR_XML_ERROR, "%s", _("root element was not source")); goto cleanup; } if (virStoragePoolDefParseSource(xpath_ctxt, def, pool_type, node) < 0) goto cleanup; ret = def; def = NULL; cleanup: virStoragePoolSourceFree(def); xmlFreeDoc(doc); xmlXPathFreeContext(xpath_ctxt); return ret; } static int virStorageDefParsePerms(xmlXPathContextPtr ctxt, virStoragePermsPtr perms, const char *permxpath) { char *mode; long long val; int ret = -1; xmlNodePtr relnode; xmlNodePtr node; node = virXPathNode(permxpath, ctxt); if (node == NULL) { /* Set default values if there is not element */ perms->mode = (mode_t) -1; perms->uid = (uid_t) -1; perms->gid = (gid_t) -1; perms->label = NULL; return 0; } relnode = ctxt->node; ctxt->node = node; if ((mode = virXPathString("string(./mode)", ctxt))) { int tmp; if (virStrToLong_i(mode, NULL, 8, &tmp) < 0 || (tmp & ~0777)) { VIR_FREE(mode); virReportError(VIR_ERR_XML_ERROR, "%s", _("malformed octal mode")); goto error; } perms->mode = tmp; VIR_FREE(mode); } else { perms->mode = (mode_t) -1; } if (virXPathNode("./owner", ctxt) == NULL) { perms->uid = (uid_t) -1; } else { /* We previously could output -1, so continue to parse it */ if (virXPathLongLong("number(./owner)", ctxt, &val) < 0 || ((uid_t)val != val && val != -1)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("malformed owner element")); goto error; } perms->uid = val; } if (virXPathNode("./group", ctxt) == NULL) { perms->gid = (gid_t) -1; } else { /* We previously could output -1, so continue to parse it */ if (virXPathLongLong("number(./group)", ctxt, &val) < 0 || ((gid_t) val != val && val != -1)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("malformed group element")); goto error; } perms->gid = val; } /* NB, we're ignoring missing labels here - they'll simply inherit */ perms->label = virXPathString("string(./label)", ctxt); ret = 0; error: ctxt->node = relnode; return ret; } static virStoragePoolDefPtr virStoragePoolDefParseXML(xmlXPathContextPtr ctxt) { virStoragePoolOptionsPtr options; virStoragePoolDefPtr ret; xmlNodePtr source_node; char *type = NULL; char *uuid = NULL; char *target_path = NULL; if (VIR_ALLOC(ret) < 0) return NULL; type = virXPathString("string(./@type)", ctxt); if (type == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("storage pool missing type attribute")); goto error; } if ((ret->type = virStoragePoolTypeFromString(type)) < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown storage pool type %s"), type); goto error; } if ((options = virStoragePoolOptionsForPoolType(ret->type)) == NULL) goto error; source_node = virXPathNode("./source", ctxt); if (source_node) { if (virStoragePoolDefParseSource(ctxt, &ret->source, ret->type, source_node) < 0) goto error; } ret->name = virXPathString("string(./name)", ctxt); if (ret->name == NULL && options->flags & VIR_STORAGE_POOL_SOURCE_NAME) ret->name = ret->source.name; if (ret->name == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing pool source name element")); goto error; } uuid = virXPathString("string(./uuid)", ctxt); if (uuid == NULL) { if (virUUIDGenerate(ret->uuid) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unable to generate uuid")); goto error; } } else { if (virUUIDParse(uuid, ret->uuid) < 0) { virReportError(VIR_ERR_XML_ERROR, "%s", _("malformed uuid element")); goto error; } } if (options->flags & VIR_STORAGE_POOL_SOURCE_HOST) { if (!ret->source.nhost) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool source host name")); goto error; } } if (options->flags & VIR_STORAGE_POOL_SOURCE_DIR) { if (!ret->source.dir) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool source path")); goto error; } } if (options->flags & VIR_STORAGE_POOL_SOURCE_NAME) { if (ret->source.name == NULL) { /* source name defaults to pool name */ if (VIR_STRDUP(ret->source.name, ret->name) < 0) goto error; } } if (options->flags & VIR_STORAGE_POOL_SOURCE_ADAPTER) { if (!ret->source.adapter.type) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool source adapter")); goto error; } if (ret->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { if (!ret->source.adapter.data.fchost.wwnn || !ret->source.adapter.data.fchost.wwpn) { virReportError(VIR_ERR_XML_ERROR, "%s", _("'wwnn' and 'wwpn' must be specified for adapter " "type 'fchost'")); goto error; } if (!virValidateWWN(ret->source.adapter.data.fchost.wwnn) || !virValidateWWN(ret->source.adapter.data.fchost.wwpn)) goto error; } else if (ret->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { if (!ret->source.adapter.data.scsi_host.name && !ret->source.adapter.data.scsi_host.has_parent) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Either 'name' or 'parent' must be specified " "for the 'scsi_host' adapter")); goto error; } if (ret->source.adapter.data.scsi_host.name && ret->source.adapter.data.scsi_host.has_parent) { virReportError(VIR_ERR_XML_ERROR, "%s", _("Both 'name' and 'parent' cannot be specified " "for the 'scsi_host' adapter")); goto error; } } } /* If DEVICE is the only source type, then its required */ if (options->flags == VIR_STORAGE_POOL_SOURCE_DEVICE) { if (!ret->source.ndevice) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool source device name")); goto error; } } /* When we are working with a virtual disk we can skip the target * path and permissions */ if (!(options->flags & VIR_STORAGE_POOL_SOURCE_NETWORK)) { if (ret->type == VIR_STORAGE_POOL_LOGICAL) { if (virAsprintf(&target_path, "/dev/%s", ret->source.name) < 0) goto error; } else if (ret->type == VIR_STORAGE_POOL_ZFS) { if (virAsprintf(&target_path, "/dev/zvol/%s", ret->source.name) < 0) goto error; } else { target_path = virXPathString("string(./target/path)", ctxt); if (!target_path) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing storage pool target path")); goto error; } } ret->target.path = virFileSanitizePath(target_path); if (!ret->target.path) goto error; if (virStorageDefParsePerms(ctxt, &ret->target.perms, "./target/permissions") < 0) goto error; } cleanup: VIR_FREE(uuid); VIR_FREE(type); VIR_FREE(target_path); return ret; error: virStoragePoolDefFree(ret); ret = NULL; goto cleanup; } virStoragePoolDefPtr virStoragePoolDefParseNode(xmlDocPtr xml, xmlNodePtr root) { xmlXPathContextPtr ctxt = NULL; virStoragePoolDefPtr def = NULL; if (!xmlStrEqual(root->name, BAD_CAST "pool")) { virReportError(VIR_ERR_XML_ERROR, _("unexpected root element <%s>, " "expecting "), root->name); goto cleanup; } ctxt = xmlXPathNewContext(xml); if (ctxt == NULL) { virReportOOMError(); goto cleanup; } ctxt->node = root; def = virStoragePoolDefParseXML(ctxt); cleanup: xmlXPathFreeContext(ctxt); return def; } static virStoragePoolDefPtr virStoragePoolDefParse(const char *xmlStr, const char *filename) { virStoragePoolDefPtr ret = NULL; xmlDocPtr xml; if ((xml = virXMLParse(filename, xmlStr, _("(storage_pool_definition)")))) { ret = virStoragePoolDefParseNode(xml, xmlDocGetRootElement(xml)); xmlFreeDoc(xml); } return ret; } virStoragePoolDefPtr virStoragePoolDefParseString(const char *xmlStr) { return virStoragePoolDefParse(xmlStr, NULL); } virStoragePoolDefPtr virStoragePoolDefParseFile(const char *filename) { return virStoragePoolDefParse(NULL, filename); } static int virStoragePoolSourceFormat(virBufferPtr buf, virStoragePoolOptionsPtr options, virStoragePoolSourcePtr src) { size_t i, j; virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); if ((options->flags & VIR_STORAGE_POOL_SOURCE_HOST) && src->nhost) { for (i = 0; i < src->nhost; i++) { virBufferEscapeString(buf, "hosts[i].name); if (src->hosts[i].port) virBufferAsprintf(buf, " port='%d'", src->hosts[i].port); virBufferAddLit(buf, "/>\n"); } } if ((options->flags & VIR_STORAGE_POOL_SOURCE_DEVICE) && src->ndevice) { for (i = 0; i < src->ndevice; i++) { if (src->devices[i].nfreeExtent) { virBufferEscapeString(buf, "\n", src->devices[i].path); virBufferAdjustIndent(buf, 2); for (j = 0; j < src->devices[i].nfreeExtent; j++) { virBufferAsprintf(buf, "\n", src->devices[i].freeExtents[j].start, src->devices[i].freeExtents[j].end); } virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } else { virBufferEscapeString(buf, "\n", src->devices[i].path); } } } if (options->flags & VIR_STORAGE_POOL_SOURCE_DIR) virBufferEscapeString(buf, "\n", src->dir); if ((options->flags & VIR_STORAGE_POOL_SOURCE_ADAPTER)) { if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST || src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) virBufferAsprintf(buf, "adapter.type)); if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { virBufferEscapeString(buf, " parent='%s'", src->adapter.data.fchost.parent); if (src->adapter.data.fchost.managed) virBufferAsprintf(buf, " managed='%s'", virTristateBoolTypeToString(src->adapter.data.fchost.managed)); virBufferAsprintf(buf, " wwnn='%s' wwpn='%s'/>\n", src->adapter.data.fchost.wwnn, src->adapter.data.fchost.wwpn); } else if (src->adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { if (src->adapter.data.scsi_host.name) { virBufferAsprintf(buf, " name='%s'/>\n", src->adapter.data.scsi_host.name); } else { virDevicePCIAddress addr; virBufferAddLit(buf, ">\n"); virBufferAdjustIndent(buf, 2); virBufferAsprintf(buf, "\n", src->adapter.data.scsi_host.unique_id); virBufferAdjustIndent(buf, 2); addr = src->adapter.data.scsi_host.parentaddr; ignore_value(virDevicePCIAddressFormat(buf, addr, false)); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } } } if (options->flags & VIR_STORAGE_POOL_SOURCE_NAME) virBufferEscapeString(buf, "%s\n", src->name); if ((options->flags & VIR_STORAGE_POOL_SOURCE_INITIATOR_IQN) && src->initiator.iqn) { virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); virBufferEscapeString(buf, "\n", src->initiator.iqn); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } if (options->formatToString) { const char *format = (options->formatToString)(src->format); if (!format) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown pool format number %d"), src->format); return -1; } virBufferAsprintf(buf, "\n", format); } if (src->auth) { if (virStorageAuthDefFormat(buf, src->auth) < 0) return -1; } virBufferEscapeString(buf, "\n", src->vendor); virBufferEscapeString(buf, "\n", src->product); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); return 0; } static int virStoragePoolDefFormatBuf(virBufferPtr buf, virStoragePoolDefPtr def) { virStoragePoolOptionsPtr options; char uuid[VIR_UUID_STRING_BUFLEN]; const char *type; options = virStoragePoolOptionsForPoolType(def->type); if (options == NULL) return -1; type = virStoragePoolTypeToString(def->type); if (!type) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected pool type")); return -1; } virBufferAsprintf(buf, "\n", type); virBufferAdjustIndent(buf, 2); virBufferEscapeString(buf, "%s\n", def->name); virUUIDFormat(def->uuid, uuid); virBufferAsprintf(buf, "%s\n", uuid); virBufferAsprintf(buf, "%llu\n", def->capacity); virBufferAsprintf(buf, "%llu\n", def->allocation); virBufferAsprintf(buf, "%llu\n", def->available); if (virStoragePoolSourceFormat(buf, options, &def->source) < 0) return -1; /* RBD, Sheepdog, and Gluster devices are not local block devs nor * files, so they don't have a target */ if (def->type != VIR_STORAGE_POOL_RBD && def->type != VIR_STORAGE_POOL_SHEEPDOG && def->type != VIR_STORAGE_POOL_GLUSTER) { virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); virBufferEscapeString(buf, "%s\n", def->target.path); virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); if (def->target.perms.mode != (mode_t) -1) virBufferAsprintf(buf, "0%o\n", def->target.perms.mode); if (def->target.perms.uid != (uid_t) -1) virBufferAsprintf(buf, "%d\n", (int) def->target.perms.uid); if (def->target.perms.gid != (gid_t) -1) virBufferAsprintf(buf, "%d\n", (int) def->target.perms.gid); virBufferEscapeString(buf, "\n", def->target.perms.label); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); return 0; } char * virStoragePoolDefFormat(virStoragePoolDefPtr def) { virBuffer buf = VIR_BUFFER_INITIALIZER; if (virStoragePoolDefFormatBuf(&buf, def) < 0) goto error; if (virBufferCheckError(&buf) < 0) goto error; return virBufferContentAndReset(&buf); error: virBufferFreeAndReset(&buf); return NULL; } static int virStorageSize(const char *unit, const char *val, unsigned long long *ret) { if (virStrToLong_ull(val, NULL, 10, ret) < 0) { virReportError(VIR_ERR_XML_ERROR, "%s", _("malformed capacity element")); return -1; } /* off_t is signed, so you cannot create a file larger than 2**63 * bytes in the first place. */ if (virScaleInteger(ret, unit, 1, LLONG_MAX) < 0) return -1; return 0; } static virStorageVolDefPtr virStorageVolDefParseXML(virStoragePoolDefPtr pool, xmlXPathContextPtr ctxt, unsigned int flags) { virStorageVolDefPtr ret; virStorageVolOptionsPtr options; char *type = NULL; char *allocation = NULL; char *capacity = NULL; char *unit = NULL; char *backingStore = NULL; xmlNodePtr node; xmlNodePtr *nodes = NULL; size_t i; int n; virCheckFlags(VIR_VOL_XML_PARSE_NO_CAPACITY | VIR_VOL_XML_PARSE_OPT_CAPACITY, NULL); options = virStorageVolOptionsForPoolType(pool->type); if (options == NULL) return NULL; if (VIR_ALLOC(ret) < 0) return NULL; ret->name = virXPathString("string(./name)", ctxt); if (ret->name == NULL) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing volume name element")); goto error; } /* Normally generated by pool refresh, but useful for unit tests */ ret->key = virXPathString("string(./key)", ctxt); /* Technically overridden by pool refresh, but useful for unit tests */ type = virXPathString("string(./@type)", ctxt); if (type) { if ((ret->type = virStorageVolTypeFromString(type)) < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown volume type '%s'"), type); goto error; } } if ((backingStore = virXPathString("string(./backingStore/path)", ctxt))) { if (VIR_ALLOC(ret->target.backingStore) < 0) goto error; ret->target.backingStore->path = backingStore; backingStore = NULL; if (options->formatFromString) { char *format = virXPathString("string(./backingStore/format/@type)", ctxt); if (format == NULL) ret->target.backingStore->format = options->defaultFormat; else ret->target.backingStore->format = (options->formatFromString)(format); if (ret->target.backingStore->format < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown volume format type %s"), format); VIR_FREE(format); goto error; } VIR_FREE(format); } if (VIR_ALLOC(ret->target.backingStore->perms) < 0) goto error; if (virStorageDefParsePerms(ctxt, ret->target.backingStore->perms, "./backingStore/permissions") < 0) goto error; } capacity = virXPathString("string(./capacity)", ctxt); unit = virXPathString("string(./capacity/@unit)", ctxt); if (capacity) { if (virStorageSize(unit, capacity, &ret->target.capacity) < 0) goto error; } else if (!(flags & VIR_VOL_XML_PARSE_NO_CAPACITY) && !((flags & VIR_VOL_XML_PARSE_OPT_CAPACITY) && ret->target.backingStore)) { virReportError(VIR_ERR_XML_ERROR, "%s", _("missing capacity element")); goto error; } VIR_FREE(unit); allocation = virXPathString("string(./allocation)", ctxt); if (allocation) { unit = virXPathString("string(./allocation/@unit)", ctxt); if (virStorageSize(unit, allocation, &ret->target.allocation) < 0) goto error; } else { ret->target.allocation = ret->target.capacity; } ret->target.path = virXPathString("string(./target/path)", ctxt); if (options->formatFromString) { char *format = virXPathString("string(./target/format/@type)", ctxt); if (format == NULL) ret->target.format = options->defaultFormat; else ret->target.format = (options->formatFromString)(format); if (ret->target.format < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unknown volume format type %s"), format); VIR_FREE(format); goto error; } VIR_FREE(format); } if (VIR_ALLOC(ret->target.perms) < 0) goto error; if (virStorageDefParsePerms(ctxt, ret->target.perms, "./target/permissions") < 0) goto error; node = virXPathNode("./target/encryption", ctxt); if (node != NULL) { ret->target.encryption = virStorageEncryptionParseNode(ctxt->doc, node); if (ret->target.encryption == NULL) goto error; } ret->target.compat = virXPathString("string(./target/compat)", ctxt); if (virStorageFileCheckCompat(ret->target.compat) < 0) goto error; if (virXPathNode("./target/nocow", ctxt)) ret->target.nocow = true; if (virXPathNode("./target/features", ctxt)) { if ((n = virXPathNodeSet("./target/features/*", ctxt, &nodes)) < 0) goto error; if (!ret->target.compat && VIR_STRDUP(ret->target.compat, "1.1") < 0) goto error; if (!(ret->target.features = virBitmapNew(VIR_STORAGE_FILE_FEATURE_LAST))) goto error; for (i = 0; i < n; i++) { int f = virStorageFileFeatureTypeFromString((const char*)nodes[i]->name); if (f < 0) { virReportError(VIR_ERR_CONFIG_UNSUPPORTED, _("unsupported feature %s"), (const char*)nodes[i]->name); goto error; } ignore_value(virBitmapSetBit(ret->target.features, f)); } VIR_FREE(nodes); } cleanup: VIR_FREE(nodes); VIR_FREE(allocation); VIR_FREE(capacity); VIR_FREE(unit); VIR_FREE(type); VIR_FREE(backingStore); return ret; error: virStorageVolDefFree(ret); ret = NULL; goto cleanup; } virStorageVolDefPtr virStorageVolDefParseNode(virStoragePoolDefPtr pool, xmlDocPtr xml, xmlNodePtr root, unsigned int flags) { xmlXPathContextPtr ctxt = NULL; virStorageVolDefPtr def = NULL; if (!xmlStrEqual(root->name, BAD_CAST "volume")) { virReportError(VIR_ERR_XML_ERROR, _("unexpected root element <%s>, " "expecting "), root->name); goto cleanup; } ctxt = xmlXPathNewContext(xml); if (ctxt == NULL) { virReportOOMError(); goto cleanup; } ctxt->node = root; def = virStorageVolDefParseXML(pool, ctxt, flags); cleanup: xmlXPathFreeContext(ctxt); return def; } static virStorageVolDefPtr virStorageVolDefParse(virStoragePoolDefPtr pool, const char *xmlStr, const char *filename, unsigned int flags) { virStorageVolDefPtr ret = NULL; xmlDocPtr xml; if ((xml = virXMLParse(filename, xmlStr, _("(storage_volume_definition)")))) { ret = virStorageVolDefParseNode(pool, xml, xmlDocGetRootElement(xml), flags); xmlFreeDoc(xml); } return ret; } virStorageVolDefPtr virStorageVolDefParseString(virStoragePoolDefPtr pool, const char *xmlStr, unsigned int flags) { return virStorageVolDefParse(pool, xmlStr, NULL, flags); } virStorageVolDefPtr virStorageVolDefParseFile(virStoragePoolDefPtr pool, const char *filename, unsigned int flags) { return virStorageVolDefParse(pool, NULL, filename, flags); } static void virStorageVolTimestampFormat(virBufferPtr buf, const char *name, struct timespec *ts) { if (ts->tv_nsec < 0) return; virBufferAsprintf(buf, "<%s>%llu", name, (unsigned long long) ts->tv_sec); if (ts->tv_nsec) virBufferAsprintf(buf, ".%09ld", ts->tv_nsec); virBufferAsprintf(buf, "\n", name); } static int virStorageVolTargetDefFormat(virStorageVolOptionsPtr options, virBufferPtr buf, virStorageSourcePtr def, const char *type) { virBufferAsprintf(buf, "<%s>\n", type); virBufferAdjustIndent(buf, 2); virBufferEscapeString(buf, "%s\n", def->path); if (options->formatToString) { const char *format = (options->formatToString)(def->format); if (!format) { virReportError(VIR_ERR_INTERNAL_ERROR, _("unknown volume format number %d"), def->format); return -1; } virBufferAsprintf(buf, "\n", format); } if (def->perms) { virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); if (def->perms->mode != (mode_t) -1) virBufferAsprintf(buf, "0%o\n", def->perms->mode); if (def->perms->uid != (uid_t) -1) virBufferAsprintf(buf, "%d\n", (int) def->perms->uid); if (def->perms->gid != (gid_t) -1) virBufferAsprintf(buf, "%d\n", (int) def->perms->gid); virBufferEscapeString(buf, "\n", def->perms->label); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } if (def->timestamps) { virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); virStorageVolTimestampFormat(buf, "atime", &def->timestamps->atime); virStorageVolTimestampFormat(buf, "mtime", &def->timestamps->mtime); virStorageVolTimestampFormat(buf, "ctime", &def->timestamps->ctime); virStorageVolTimestampFormat(buf, "btime", &def->timestamps->btime); virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } if (def->encryption && virStorageEncryptionFormat(buf, def->encryption) < 0) return -1; virBufferEscapeString(buf, "%s\n", def->compat); if (def->features) { size_t i; bool empty = virBitmapIsAllClear(def->features); if (empty) { virBufferAddLit(buf, "\n"); } else { virBufferAddLit(buf, "\n"); virBufferAdjustIndent(buf, 2); } for (i = 0; i < VIR_STORAGE_FILE_FEATURE_LAST; i++) { if (virBitmapIsBitSet(def->features, i)) virBufferAsprintf(buf, "<%s/>\n", virStorageFileFeatureTypeToString(i)); } if (!empty) { virBufferAdjustIndent(buf, -2); virBufferAddLit(buf, "\n"); } } virBufferAdjustIndent(buf, -2); virBufferAsprintf(buf, "\n", type); return 0; } char * virStorageVolDefFormat(virStoragePoolDefPtr pool, virStorageVolDefPtr def) { virStorageVolOptionsPtr options; virBuffer buf = VIR_BUFFER_INITIALIZER; options = virStorageVolOptionsForPoolType(pool->type); if (options == NULL) return NULL; virBufferAsprintf(&buf, "\n", virStorageVolTypeToString(def->type)); virBufferAdjustIndent(&buf, 2); virBufferEscapeString(&buf, "%s\n", def->name); virBufferEscapeString(&buf, "%s\n", def->key); virBufferAddLit(&buf, "\n"); virBufferAdjustIndent(&buf, 2); if (def->source.nextent) { size_t i; const char *thispath = NULL; for (i = 0; i < def->source.nextent; i++) { if (thispath == NULL || STRNEQ(thispath, def->source.extents[i].path)) { if (thispath != NULL) virBufferAddLit(&buf, "\n"); virBufferEscapeString(&buf, "\n", def->source.extents[i].path); } virBufferAdjustIndent(&buf, 2); virBufferAsprintf(&buf, "\n", def->source.extents[i].start, def->source.extents[i].end); virBufferAdjustIndent(&buf, -2); thispath = def->source.extents[i].path; } if (thispath != NULL) virBufferAddLit(&buf, "\n"); } virBufferAdjustIndent(&buf, -2); virBufferAddLit(&buf, "\n"); virBufferAsprintf(&buf, "%llu\n", def->target.capacity); virBufferAsprintf(&buf, "%llu\n", def->target.allocation); if (virStorageVolTargetDefFormat(options, &buf, &def->target, "target") < 0) goto cleanup; if (def->target.backingStore && virStorageVolTargetDefFormat(options, &buf, def->target.backingStore, "backingStore") < 0) goto cleanup; virBufferAdjustIndent(&buf, -2); virBufferAddLit(&buf, "\n"); if (virBufferCheckError(&buf) < 0) goto cleanup; return virBufferContentAndReset(&buf); cleanup: virBufferFreeAndReset(&buf); return NULL; } virStoragePoolObjPtr virStoragePoolObjFindByUUID(virStoragePoolObjListPtr pools, const unsigned char *uuid) { size_t i; for (i = 0; i < pools->count; i++) { virStoragePoolObjLock(pools->objs[i]); if (!memcmp(pools->objs[i]->def->uuid, uuid, VIR_UUID_BUFLEN)) return pools->objs[i]; virStoragePoolObjUnlock(pools->objs[i]); } return NULL; } virStoragePoolObjPtr virStoragePoolObjFindByName(virStoragePoolObjListPtr pools, const char *name) { size_t i; for (i = 0; i < pools->count; i++) { virStoragePoolObjLock(pools->objs[i]); if (STREQ(pools->objs[i]->def->name, name)) return pools->objs[i]; virStoragePoolObjUnlock(pools->objs[i]); } return NULL; } virStoragePoolObjPtr virStoragePoolSourceFindDuplicateDevices(virStoragePoolObjPtr pool, virStoragePoolDefPtr def) { size_t i, j; for (i = 0; i < pool->def->source.ndevice; i++) { for (j = 0; j < def->source.ndevice; j++) { if (STREQ(pool->def->source.devices[i].path, def->source.devices[j].path)) return pool; } } return NULL; } void virStoragePoolObjClearVols(virStoragePoolObjPtr pool) { size_t i; for (i = 0; i < pool->volumes.count; i++) virStorageVolDefFree(pool->volumes.objs[i]); VIR_FREE(pool->volumes.objs); pool->volumes.count = 0; } virStorageVolDefPtr virStorageVolDefFindByKey(virStoragePoolObjPtr pool, const char *key) { size_t i; for (i = 0; i < pool->volumes.count; i++) if (STREQ(pool->volumes.objs[i]->key, key)) return pool->volumes.objs[i]; return NULL; } virStorageVolDefPtr virStorageVolDefFindByPath(virStoragePoolObjPtr pool, const char *path) { size_t i; for (i = 0; i < pool->volumes.count; i++) if (STREQ(pool->volumes.objs[i]->target.path, path)) return pool->volumes.objs[i]; return NULL; } virStorageVolDefPtr virStorageVolDefFindByName(virStoragePoolObjPtr pool, const char *name) { size_t i; for (i = 0; i < pool->volumes.count; i++) if (STREQ(pool->volumes.objs[i]->name, name)) return pool->volumes.objs[i]; return NULL; } virStoragePoolObjPtr virStoragePoolObjAssignDef(virStoragePoolObjListPtr pools, virStoragePoolDefPtr def) { virStoragePoolObjPtr pool; if ((pool = virStoragePoolObjFindByName(pools, def->name))) { if (!virStoragePoolObjIsActive(pool)) { virStoragePoolDefFree(pool->def); pool->def = def; } else { virStoragePoolDefFree(pool->newDef); pool->newDef = def; } return pool; } if (VIR_ALLOC(pool) < 0) return NULL; if (virMutexInit(&pool->lock) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("cannot initialize mutex")); VIR_FREE(pool); return NULL; } virStoragePoolObjLock(pool); pool->active = 0; if (VIR_APPEND_ELEMENT_COPY(pools->objs, pools->count, pool) < 0) { virStoragePoolObjUnlock(pool); virStoragePoolObjFree(pool); return NULL; } pool->def = def; return pool; } static virStoragePoolObjPtr virStoragePoolObjLoad(virStoragePoolObjListPtr pools, const char *file, const char *path, const char *autostartLink) { virStoragePoolDefPtr def; virStoragePoolObjPtr pool; if (!(def = virStoragePoolDefParseFile(path))) return NULL; if (!virFileMatchesNameSuffix(file, def->name, ".xml")) { virReportError(VIR_ERR_XML_ERROR, _("Storage pool config filename '%s' does " "not match pool name '%s'"), path, def->name); virStoragePoolDefFree(def); return NULL; } if (!(pool = virStoragePoolObjAssignDef(pools, def))) { virStoragePoolDefFree(def); return NULL; } VIR_FREE(pool->configFile); /* for driver reload */ if (VIR_STRDUP(pool->configFile, path) < 0) { virStoragePoolDefFree(def); return NULL; } VIR_FREE(pool->autostartLink); /* for driver reload */ if (VIR_STRDUP(pool->autostartLink, autostartLink) < 0) { virStoragePoolDefFree(def); return NULL; } pool->autostart = virFileLinkPointsTo(pool->autostartLink, pool->configFile); return pool; } virStoragePoolObjPtr virStoragePoolLoadState(virStoragePoolObjListPtr pools, const char *stateDir, const char *name) { char *stateFile = NULL; virStoragePoolDefPtr def = NULL; virStoragePoolObjPtr pool = NULL; xmlDocPtr xml = NULL; xmlXPathContextPtr ctxt = NULL; xmlNodePtr node = NULL; if (!(stateFile = virFileBuildPath(stateDir, name, ".xml"))) goto error; if (!(xml = virXMLParseCtxt(stateFile, NULL, _("(pool state)"), &ctxt))) goto error; if (!(node = virXPathNode("//pool", ctxt))) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("Could not find any 'pool' element in state file")); goto error; } ctxt->node = node; if (!(def = virStoragePoolDefParseXML(ctxt))) goto error; if (!STREQ(name, def->name)) { virReportError(VIR_ERR_INTERNAL_ERROR, _("Storage pool state file '%s' does not match " "pool name '%s'"), stateFile, def->name); goto error; } /* create the object */ if (!(pool = virStoragePoolObjAssignDef(pools, def))) goto error; /* XXX: future handling of some additional useful status data, * for now, if a status file for a pool exists, the pool will be marked * as active */ pool->active = 1; cleanup: VIR_FREE(stateFile); xmlFree(xml); xmlXPathFreeContext(ctxt); return pool; error: virStoragePoolDefFree(def); goto cleanup; } int virStoragePoolLoadAllState(virStoragePoolObjListPtr pools, const char *stateDir) { DIR *dir; struct dirent *entry; int ret = -1; if (!(dir = opendir(stateDir))) { if (errno == ENOENT) return 0; virReportSystemError(errno, _("Failed to open dir '%s'"), stateDir); return -1; } while ((ret = virDirRead(dir, &entry, stateDir)) > 0) { virStoragePoolObjPtr pool; if (entry->d_name[0] == '.') continue; if (!virFileStripSuffix(entry->d_name, ".xml")) continue; if (!(pool = virStoragePoolLoadState(pools, stateDir, entry->d_name))) continue; virStoragePoolObjUnlock(pool); } closedir(dir); return ret; } int virStoragePoolLoadAllConfigs(virStoragePoolObjListPtr pools, const char *configDir, const char *autostartDir) { DIR *dir; struct dirent *entry; int ret; if (!(dir = opendir(configDir))) { if (errno == ENOENT) return 0; virReportSystemError(errno, _("Failed to open dir '%s'"), configDir); return -1; } while ((ret = virDirRead(dir, &entry, configDir)) > 0) { char *path; char *autostartLink; virStoragePoolObjPtr pool; if (entry->d_name[0] == '.') continue; if (!virFileHasSuffix(entry->d_name, ".xml")) continue; if (!(path = virFileBuildPath(configDir, entry->d_name, NULL))) continue; if (!(autostartLink = virFileBuildPath(autostartDir, entry->d_name, NULL))) { VIR_FREE(path); continue; } pool = virStoragePoolObjLoad(pools, entry->d_name, path, autostartLink); if (pool) virStoragePoolObjUnlock(pool); VIR_FREE(path); VIR_FREE(autostartLink); } closedir(dir); return ret; } static int virStoragePoolSaveXML(const char *path, virStoragePoolDefPtr def, const char *xml) { char uuidstr[VIR_UUID_STRING_BUFLEN]; int ret = -1; virUUIDFormat(def->uuid, uuidstr); ret = virXMLSaveFile(path, virXMLPickShellSafeComment(def->name, uuidstr), "pool-edit", xml); return ret; } int virStoragePoolSaveState(const char *stateFile, virStoragePoolDefPtr def) { virBuffer buf = VIR_BUFFER_INITIALIZER; int ret = -1; char *xml; virBufferAddLit(&buf, "\n"); virBufferAdjustIndent(&buf, 2); if (virStoragePoolDefFormatBuf(&buf, def) < 0) goto error; virBufferAdjustIndent(&buf, -2); virBufferAddLit(&buf, "\n"); if (virBufferCheckError(&buf) < 0) goto error; if (!(xml = virBufferContentAndReset(&buf))) goto error; if (virStoragePoolSaveXML(stateFile, def, xml)) goto error; ret = 0; error: VIR_FREE(xml); return ret; } int virStoragePoolSaveConfig(const char *configFile, virStoragePoolDefPtr def) { char *xml; int ret = -1; if (!(xml = virStoragePoolDefFormat(def))) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("failed to generate XML")); return -1; } if (virStoragePoolSaveXML(configFile, def, xml)) goto cleanup; ret = 0; cleanup: VIR_FREE(xml); return ret; } int virStoragePoolObjSaveDef(virStorageDriverStatePtr driver, virStoragePoolObjPtr pool, virStoragePoolDefPtr def) { if (!pool->configFile) { if (virFileMakePath(driver->configDir) < 0) { virReportSystemError(errno, _("cannot create config directory %s"), driver->configDir); return -1; } if (!(pool->configFile = virFileBuildPath(driver->configDir, def->name, ".xml"))) { return -1; } if (!(pool->autostartLink = virFileBuildPath(driver->autostartDir, def->name, ".xml"))) { VIR_FREE(pool->configFile); return -1; } } return virStoragePoolSaveConfig(pool->configFile, def); } int virStoragePoolObjDeleteDef(virStoragePoolObjPtr pool) { if (!pool->configFile) { virReportError(VIR_ERR_INTERNAL_ERROR, _("no config file for %s"), pool->def->name); return -1; } if (unlink(pool->configFile) < 0) { virReportError(VIR_ERR_INTERNAL_ERROR, _("cannot remove config for %s"), pool->def->name); return -1; } return 0; } virStoragePoolSourcePtr virStoragePoolSourceListNewSource(virStoragePoolSourceListPtr list) { virStoragePoolSourcePtr source; if (VIR_REALLOC_N(list->sources, list->nsources + 1) < 0) return NULL; source = &list->sources[list->nsources++]; memset(source, 0, sizeof(*source)); return source; } char * virStoragePoolSourceListFormat(virStoragePoolSourceListPtr def) { virStoragePoolOptionsPtr options; virBuffer buf = VIR_BUFFER_INITIALIZER; const char *type; size_t i; options = virStoragePoolOptionsForPoolType(def->type); if (options == NULL) return NULL; type = virStoragePoolTypeToString(def->type); if (!type) { virReportError(VIR_ERR_INTERNAL_ERROR, "%s", _("unexpected pool type")); goto cleanup; } virBufferAddLit(&buf, "\n"); virBufferAdjustIndent(&buf, 2); for (i = 0; i < def->nsources; i++) virStoragePoolSourceFormat(&buf, options, &def->sources[i]); virBufferAdjustIndent(&buf, -2); virBufferAddLit(&buf, "\n"); if (virBufferCheckError(&buf) < 0) goto cleanup; return virBufferContentAndReset(&buf); cleanup: virBufferFreeAndReset(&buf); return NULL; } /* * virStoragePoolObjIsDuplicate: * @doms : virStoragePoolObjListPtr to search * @def : virStoragePoolDefPtr definition of pool to lookup * @check_active: If true, ensure that pool is not active * * Returns: -1 on error * 0 if pool is new * 1 if pool is a duplicate */ int virStoragePoolObjIsDuplicate(virStoragePoolObjListPtr pools, virStoragePoolDefPtr def, unsigned int check_active) { int ret = -1; virStoragePoolObjPtr pool = NULL; /* See if a Pool with matching UUID already exists */ pool = virStoragePoolObjFindByUUID(pools, def->uuid); if (pool) { /* UUID matches, but if names don't match, refuse it */ if (STRNEQ(pool->def->name, def->name)) { char uuidstr[VIR_UUID_STRING_BUFLEN]; virUUIDFormat(pool->def->uuid, uuidstr); virReportError(VIR_ERR_OPERATION_FAILED, _("pool '%s' is already defined with uuid %s"), pool->def->name, uuidstr); goto cleanup; } if (check_active) { /* UUID & name match, but if Pool is already active, refuse it */ if (virStoragePoolObjIsActive(pool)) { virReportError(VIR_ERR_OPERATION_INVALID, _("pool is already active as '%s'"), pool->def->name); goto cleanup; } } ret = 1; } else { /* UUID does not match, but if a name matches, refuse it */ pool = virStoragePoolObjFindByName(pools, def->name); if (pool) { char uuidstr[VIR_UUID_STRING_BUFLEN]; virUUIDFormat(pool->def->uuid, uuidstr); virReportError(VIR_ERR_OPERATION_FAILED, _("pool '%s' already exists with uuid %s"), def->name, uuidstr); goto cleanup; } ret = 0; } cleanup: if (pool) virStoragePoolObjUnlock(pool); return ret; } /* * virStoragePoolGetVhbaSCSIHostParent: * * Using the Node Device Driver, find the host# name found via wwnn/wwpn * lookup in the fc_host sysfs tree (e.g. virGetFCHostNameByWWN) to get * the parent 'scsi_host#'. * * @conn: Connection pointer (must be non-NULL on entry) * @name: Pointer a string from a virGetFCHostNameByWWN (e.g., "host#") * * Returns a "scsi_host#" string of the parent of the vHBA */ char * virStoragePoolGetVhbaSCSIHostParent(virConnectPtr conn, const char *name) { char *nodedev_name = NULL; virNodeDevicePtr device = NULL; char *xml = NULL; virNodeDeviceDefPtr def = NULL; char *vhba_parent = NULL; VIR_DEBUG("conn=%p, name=%s", conn, name); /* We get passed "host#" from the return from virGetFCHostNameByWWN, * so we need to adjust that to what the nodedev lookup expects */ if (virAsprintf(&nodedev_name, "scsi_%s", name) < 0) goto cleanup; /* Compare the scsi_host for the name with the provided parent * if not the same, then fail */ if (!(device = virNodeDeviceLookupByName(conn, nodedev_name))) { virReportError(VIR_ERR_XML_ERROR, _("Cannot find '%s' in node device database"), nodedev_name); goto cleanup; } if (!(xml = virNodeDeviceGetXMLDesc(device, 0))) goto cleanup; if (!(def = virNodeDeviceDefParseString(xml, EXISTING_DEVICE, NULL))) goto cleanup; /* The caller checks whether the returned value is NULL or not * before continuing */ ignore_value(VIR_STRDUP(vhba_parent, def->parent)); cleanup: VIR_FREE(nodedev_name); virNodeDeviceDefFree(def); VIR_FREE(xml); virObjectUnref(device); return vhba_parent; } static int getSCSIHostNumber(virStoragePoolSourceAdapter adapter, unsigned int *hostnum) { int ret = -1; unsigned int num; char *name = NULL; if (adapter.data.scsi_host.has_parent) { virDevicePCIAddress addr = adapter.data.scsi_host.parentaddr; unsigned int unique_id = adapter.data.scsi_host.unique_id; if (!(name = virGetSCSIHostNameByParentaddr(addr.domain, addr.bus, addr.slot, addr.function, unique_id))) goto cleanup; if (virGetSCSIHostNumber(name, &num) < 0) goto cleanup; } else { if (virGetSCSIHostNumber(adapter.data.scsi_host.name, &num) < 0) goto cleanup; } *hostnum = num; ret = 0; cleanup: VIR_FREE(name); return ret; } /* * matchFCHostToSCSIHost: * * @conn: Connection pointer * @fc_adapter: fc_host adapter (either def or pool->def) * @scsi_hostnum: Already determined "scsi_pool" hostnum * * Returns true/false whether there is a match between the incoming * fc_adapter host# and the scsi_host host# */ static bool matchFCHostToSCSIHost(virConnectPtr conn, virStoragePoolSourceAdapter fc_adapter, unsigned int scsi_hostnum) { char *name = NULL; char *parent_name = NULL; unsigned int fc_hostnum; /* If we have a parent defined, get it's hostnum, and compare to the * scsi_hostnum. If they are the same, then we have a match */ if (fc_adapter.data.fchost.parent && virGetSCSIHostNumber(fc_adapter.data.fchost.parent, &fc_hostnum) == 0 && scsi_hostnum == fc_hostnum) return true; /* If we find an fc_adapter name, then either libvirt created a vHBA * for this fc_host or a 'virsh nodedev-create' generated a vHBA. */ if ((name = virGetFCHostNameByWWN(NULL, fc_adapter.data.fchost.wwnn, fc_adapter.data.fchost.wwpn))) { /* Get the scsi_hostN for the vHBA in order to see if it * matches our scsi_hostnum */ if (virGetSCSIHostNumber(name, &fc_hostnum) == 0 && scsi_hostnum == fc_hostnum) { VIR_FREE(name); return true; } /* We weren't provided a parent, so we have to query the node * device driver in order to ascertain the parent of the vHBA. * If the parent fc_hostnum is the same as the scsi_hostnum, we * have a match. */ if (conn && !fc_adapter.data.fchost.parent) { parent_name = virStoragePoolGetVhbaSCSIHostParent(conn, name); if (parent_name) { if (virGetSCSIHostNumber(parent_name, &fc_hostnum) == 0 && scsi_hostnum == fc_hostnum) { VIR_FREE(parent_name); VIR_FREE(name); return true; } VIR_FREE(parent_name); } else { /* Throw away the error and fall through */ virResetLastError(); VIR_DEBUG("Could not determine parent vHBA"); } } VIR_FREE(name); } /* NB: Lack of a name means that this vHBA hasn't yet been created, * which means our scsi_host cannot be using the vHBA. Furthermore, * lack of a provided parent means libvirt is going to choose the * "best" fc_host capable adapter based on availabilty. That could * conflict with an existing scsi_host definition, but there's no * way to know that now. */ return false; } static bool matchSCSIAdapterParent(virStoragePoolObjPtr pool, virStoragePoolDefPtr def) { virDevicePCIAddressPtr pooladdr = &pool->def->source.adapter.data.scsi_host.parentaddr; virDevicePCIAddressPtr defaddr = &def->source.adapter.data.scsi_host.parentaddr; int pool_unique_id = pool->def->source.adapter.data.scsi_host.unique_id; int def_unique_id = def->source.adapter.data.scsi_host.unique_id; if (pooladdr->domain == defaddr->domain && pooladdr->bus == defaddr->bus && pooladdr->slot == defaddr->slot && pooladdr->function == defaddr->function && pool_unique_id == def_unique_id) { return true; } return false; } static bool virStoragePoolSourceMatchSingleHost(virStoragePoolSourcePtr poolsrc, virStoragePoolSourcePtr defsrc) { if (poolsrc->nhost != 1 && defsrc->nhost != 1) return false; if (defsrc->hosts[0].port && poolsrc->hosts[0].port != defsrc->hosts[0].port) return false; return STREQ(poolsrc->hosts[0].name, defsrc->hosts[0].name); } static bool virStoragePoolSourceISCSIMatch(virStoragePoolObjPtr matchpool, virStoragePoolDefPtr def) { virStoragePoolSourcePtr poolsrc = &matchpool->def->source; virStoragePoolSourcePtr defsrc = &def->source; /* NB: Do not check the source host name */ if (STRNEQ_NULLABLE(poolsrc->initiator.iqn, defsrc->initiator.iqn)) return false; return true; } int virStoragePoolSourceFindDuplicate(virConnectPtr conn, virStoragePoolObjListPtr pools, virStoragePoolDefPtr def) { size_t i; int ret = 1; virStoragePoolObjPtr pool = NULL; virStoragePoolObjPtr matchpool = NULL; /* Check the pool list for duplicate underlying storage */ for (i = 0; i < pools->count; i++) { pool = pools->objs[i]; if (def->type != pool->def->type) continue; /* Don't mach against ourself if re-defining existing pool ! */ if (STREQ(pool->def->name, def->name)) continue; virStoragePoolObjLock(pool); switch ((virStoragePoolType)pool->def->type) { case VIR_STORAGE_POOL_DIR: if (STREQ(pool->def->target.path, def->target.path)) matchpool = pool; break; case VIR_STORAGE_POOL_NETFS: case VIR_STORAGE_POOL_GLUSTER: if (STREQ(pool->def->source.dir, def->source.dir) && virStoragePoolSourceMatchSingleHost(&pool->def->source, &def->source)) matchpool = pool; break; case VIR_STORAGE_POOL_SCSI: if (pool->def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST && def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { if (STREQ(pool->def->source.adapter.data.fchost.wwnn, def->source.adapter.data.fchost.wwnn) && STREQ(pool->def->source.adapter.data.fchost.wwpn, def->source.adapter.data.fchost.wwpn)) matchpool = pool; } else if (pool->def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST && def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { unsigned int pool_hostnum, def_hostnum; if (pool->def->source.adapter.data.scsi_host.has_parent && def->source.adapter.data.scsi_host.has_parent && matchSCSIAdapterParent(pool, def)) { matchpool = pool; break; } if (getSCSIHostNumber(pool->def->source.adapter, &pool_hostnum) < 0 || getSCSIHostNumber(def->source.adapter, &def_hostnum) < 0) break; if (pool_hostnum == def_hostnum) matchpool = pool; } else if (pool->def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST && def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST) { unsigned int scsi_hostnum; /* Get the scsi_hostN for the scsi_host source adapter def */ if (getSCSIHostNumber(def->source.adapter, &scsi_hostnum) < 0) break; if (matchFCHostToSCSIHost(conn, pool->def->source.adapter, scsi_hostnum)) { matchpool = pool; break; } } else if (pool->def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_SCSI_HOST && def->source.adapter.type == VIR_STORAGE_POOL_SOURCE_ADAPTER_TYPE_FC_HOST) { unsigned int scsi_hostnum; if (getSCSIHostNumber(pool->def->source.adapter, &scsi_hostnum) < 0) break; if (matchFCHostToSCSIHost(conn, def->source.adapter, scsi_hostnum)) { matchpool = pool; break; } } break; case VIR_STORAGE_POOL_ISCSI: matchpool = virStoragePoolSourceFindDuplicateDevices(pool, def); if (matchpool) { if (!virStoragePoolSourceISCSIMatch(matchpool, def)) matchpool = NULL; } break; case VIR_STORAGE_POOL_FS: case VIR_STORAGE_POOL_LOGICAL: case VIR_STORAGE_POOL_DISK: case VIR_STORAGE_POOL_ZFS: matchpool = virStoragePoolSourceFindDuplicateDevices(pool, def); break; case VIR_STORAGE_POOL_SHEEPDOG: if (virStoragePoolSourceMatchSingleHost(&pool->def->source, &def->source)) matchpool = pool; break; case VIR_STORAGE_POOL_MPATH: case VIR_STORAGE_POOL_RBD: case VIR_STORAGE_POOL_LAST: break; } virStoragePoolObjUnlock(pool); if (matchpool) break; } if (matchpool) { virReportError(VIR_ERR_OPERATION_FAILED, _("Storage source conflict with pool: '%s'"), matchpool->def->name); ret = -1; } return ret; } void virStoragePoolObjLock(virStoragePoolObjPtr obj) { virMutexLock(&obj->lock); } void virStoragePoolObjUnlock(virStoragePoolObjPtr obj) { virMutexUnlock(&obj->lock); } #define MATCH(FLAG) (flags & (FLAG)) static bool virStoragePoolMatch(virStoragePoolObjPtr poolobj, unsigned int flags) { /* filter by active state */ if (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_ACTIVE) && !((MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_ACTIVE) && virStoragePoolObjIsActive(poolobj)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_INACTIVE) && !virStoragePoolObjIsActive(poolobj)))) return false; /* filter by persistence */ if (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_PERSISTENT) && !((MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_PERSISTENT) && poolobj->configFile) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_TRANSIENT) && !poolobj->configFile))) return false; /* filter by autostart option */ if (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_AUTOSTART) && !((MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_AUTOSTART) && poolobj->autostart) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_NO_AUTOSTART) && !poolobj->autostart))) return false; /* filter by pool type */ if (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_FILTERS_POOL_TYPE)) { if (!((MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_DIR) && (poolobj->def->type == VIR_STORAGE_POOL_DIR)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_FS) && (poolobj->def->type == VIR_STORAGE_POOL_FS)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_NETFS) && (poolobj->def->type == VIR_STORAGE_POOL_NETFS)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_LOGICAL) && (poolobj->def->type == VIR_STORAGE_POOL_LOGICAL)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_DISK) && (poolobj->def->type == VIR_STORAGE_POOL_DISK)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_ISCSI) && (poolobj->def->type == VIR_STORAGE_POOL_ISCSI)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_SCSI) && (poolobj->def->type == VIR_STORAGE_POOL_SCSI)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_MPATH) && (poolobj->def->type == VIR_STORAGE_POOL_MPATH)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_RBD) && (poolobj->def->type == VIR_STORAGE_POOL_RBD)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_SHEEPDOG) && (poolobj->def->type == VIR_STORAGE_POOL_SHEEPDOG)) || (MATCH(VIR_CONNECT_LIST_STORAGE_POOLS_GLUSTER) && (poolobj->def->type == VIR_STORAGE_POOL_GLUSTER)))) return false; } return true; } #undef MATCH int virStoragePoolObjListExport(virConnectPtr conn, virStoragePoolObjList poolobjs, virStoragePoolPtr **pools, virStoragePoolObjListFilter filter, unsigned int flags) { virStoragePoolPtr *tmp_pools = NULL; virStoragePoolPtr pool = NULL; int npools = 0; int ret = -1; size_t i; if (pools && VIR_ALLOC_N(tmp_pools, poolobjs.count + 1) < 0) goto cleanup; for (i = 0; i < poolobjs.count; i++) { virStoragePoolObjPtr poolobj = poolobjs.objs[i]; virStoragePoolObjLock(poolobj); if ((!filter || filter(conn, poolobj->def)) && virStoragePoolMatch(poolobj, flags)) { if (pools) { if (!(pool = virGetStoragePool(conn, poolobj->def->name, poolobj->def->uuid, NULL, NULL))) { virStoragePoolObjUnlock(poolobj); goto cleanup; } tmp_pools[npools] = pool; } npools++; } virStoragePoolObjUnlock(poolobj); } if (tmp_pools) { /* trim the array to the final size */ ignore_value(VIR_REALLOC_N(tmp_pools, npools + 1)); *pools = tmp_pools; tmp_pools = NULL; } ret = npools; cleanup: if (tmp_pools) { for (i = 0; i < npools; i++) virObjectUnref(tmp_pools[i]); } VIR_FREE(tmp_pools); return ret; }