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d4f7850d5b
The sheepdog project is unmaintained, with last commit in 2018 and numerous unanswered issues reported. Remove the libvirt storage driver support for it to follow the removal of the client support in qemu. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Ján Tomko <jtomko@redhat.com>
192 lines
5.4 KiB
C
192 lines
5.4 KiB
C
/*
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* storage_backend.c: internal storage driver backend contract
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*
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* Copyright (C) 2007-2016 Red Hat, Inc.
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* Copyright (C) 2007-2008 Daniel P. Berrange
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include <config.h>
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#include <sys/stat.h>
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#include "virerror.h"
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#include "internal.h"
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#include "storage_backend.h"
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#include "virlog.h"
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#include "virmodule.h"
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#include "virfile.h"
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#include "configmake.h"
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#if WITH_STORAGE_LVM
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# include "storage_backend_logical.h"
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#endif
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#if WITH_STORAGE_ISCSI
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# include "storage_backend_iscsi.h"
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#endif
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#if WITH_STORAGE_ISCSI_DIRECT
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# include "storage_backend_iscsi_direct.h"
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#endif
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#if WITH_STORAGE_SCSI
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# include "storage_backend_scsi.h"
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#endif
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#if WITH_STORAGE_MPATH
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# include "storage_backend_mpath.h"
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#endif
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#if WITH_STORAGE_DISK
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# include "storage_backend_disk.h"
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#endif
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#if WITH_STORAGE_DIR
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# include "storage_backend_fs.h"
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#endif
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#if WITH_STORAGE_RBD
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# include "storage_backend_rbd.h"
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#endif
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#if WITH_STORAGE_GLUSTER
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# include "storage_backend_gluster.h"
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#endif
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#if WITH_STORAGE_ZFS
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# include "storage_backend_zfs.h"
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#endif
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#if WITH_STORAGE_VSTORAGE
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# include "storage_backend_vstorage.h"
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#endif
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#define VIR_FROM_THIS VIR_FROM_STORAGE
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VIR_LOG_INIT("storage.storage_backend");
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#define VIR_STORAGE_BACKENDS_MAX 20
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static virStorageBackend *virStorageBackends[VIR_STORAGE_BACKENDS_MAX];
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static size_t virStorageBackendsCount;
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#define STORAGE_BACKEND_MODULE_DIR LIBDIR "/libvirt/storage-backend"
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static int
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virStorageDriverLoadBackendModule(const char *name,
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const char *regfunc,
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bool forceload)
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{
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g_autofree char *modfile = NULL;
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if (!(modfile = virFileFindResourceFull(name,
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"libvirt_storage_backend_",
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VIR_FILE_MODULE_EXT,
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abs_top_builddir "/src",
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STORAGE_BACKEND_MODULE_DIR,
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"LIBVIRT_STORAGE_BACKEND_DIR")))
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return -1;
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return virModuleLoad(modfile, regfunc, forceload);
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}
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#define VIR_STORAGE_BACKEND_REGISTER(func, module) \
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if (virStorageDriverLoadBackendModule(module, #func, allbackends) < 0) \
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return -1
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int
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virStorageBackendDriversRegister(bool allbackends G_GNUC_UNUSED)
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{
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#if WITH_STORAGE_DIR || WITH_STORAGE_FS
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendFsRegister, "fs");
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#endif
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#if WITH_STORAGE_LVM
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendLogicalRegister, "logical");
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#endif
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#if WITH_STORAGE_ISCSI
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendISCSIRegister, "iscsi");
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#endif
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#if WITH_STORAGE_ISCSI_DIRECT
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendISCSIDirectRegister, "iscsi-direct");
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#endif
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#if WITH_STORAGE_SCSI
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendSCSIRegister, "scsi");
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#endif
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#if WITH_STORAGE_MPATH
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendMpathRegister, "mpath");
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#endif
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#if WITH_STORAGE_DISK
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendDiskRegister, "disk");
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#endif
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#if WITH_STORAGE_RBD
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendRBDRegister, "rbd");
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#endif
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#if WITH_STORAGE_GLUSTER
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendGlusterRegister, "gluster");
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#endif
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#if WITH_STORAGE_ZFS
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendZFSRegister, "zfs");
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#endif
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#if WITH_STORAGE_VSTORAGE
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VIR_STORAGE_BACKEND_REGISTER(virStorageBackendVstorageRegister, "vstorage");
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#endif
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return 0;
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}
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#undef VIR_STORAGE_BACKEND_REGISTER
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int
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virStorageBackendRegister(virStorageBackend *backend)
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{
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VIR_DEBUG("Registering storage backend '%s'",
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virStoragePoolTypeToString(backend->type));
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if (virStorageBackendsCount >= VIR_STORAGE_BACKENDS_MAX) {
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("Too many drivers, cannot register storage backend '%s'"),
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virStoragePoolTypeToString(backend->type));
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return -1;
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}
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virStorageBackends[virStorageBackendsCount] = backend;
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virStorageBackendsCount++;
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return 0;
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}
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virStorageBackend *
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virStorageBackendForType(int type)
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{
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size_t i;
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for (i = 0; i < virStorageBackendsCount; i++)
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if (virStorageBackends[i]->type == type)
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return virStorageBackends[i];
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virReportError(VIR_ERR_INTERNAL_ERROR,
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_("missing backend for pool type %d (%s)"),
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type, NULLSTR(virStoragePoolTypeToString(type)));
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return NULL;
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}
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virCaps *
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virStorageBackendGetCapabilities(void)
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{
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virCaps *caps;
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size_t i;
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if (!(caps = virCapabilitiesNew(VIR_ARCH_NONE, false, false)))
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return NULL;
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for (i = 0; i < virStorageBackendsCount; i++)
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virCapabilitiesAddStoragePool(caps, virStorageBackends[i]->type);
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return caps;
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}
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