示例#1
0
static int virStorageBackendRBDRefreshVol(virConnectPtr conn,
                                          virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                                          virStorageVolDefPtr vol)
{
    virStorageBackendRBDStatePtr ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    int ret = -1;

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (rados_ioctx_create(ptr.cluster,
        pool->def->source.name, &ptr.ioctx) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create the RBD IoCTX. Does the pool '%s' exist?"),
                       pool->def->source.name);
        goto cleanup;
    }

    if (volStorageBackendRBDRefreshVolInfo(vol, pool, ptr) < 0) {
        goto cleanup;
    }

    ret = 0;

cleanup:
    virStorageBackendRBDCloseRADOSConn(ptr);
    return ret;
}
示例#2
0
static int virStorageBackendRBDRefreshVol(virConnectPtr conn,
                                          virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                                          virStorageVolDefPtr vol)
{
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    int ret = -1;

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0) {
        goto cleanup;
    }

    if (volStorageBackendRBDRefreshVolInfo(vol, pool, &ptr) < 0) {
        goto cleanup;
    }

    ret = 0;

cleanup:
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}
示例#3
0
static int virStorageBackendRBDCreateVol(virConnectPtr conn,
        virStoragePoolObjPtr pool,
        virStorageVolDefPtr vol)
{
    virStorageBackendRBDStatePtr ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    int order = 0;
    int ret = -1;

    VIR_DEBUG("Creating RBD image %s/%s with size %llu",
              pool->def->source.name,
              vol->name, vol->capacity);

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (rados_ioctx_create(ptr.cluster,
                           pool->def->source.name,&ptr.ioctx) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create the RBD IoCTX. Does the pool '%s' exist?"),
                       pool->def->source.name);
        goto cleanup;
    }

    if (vol->target.encryption != NULL) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("storage pool does not support encrypted volumes"));
        goto cleanup;
    }

    if (rbd_create(ptr.ioctx, vol->name, vol->capacity, &order) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create volume '%s/%s'"),
                       pool->def->source.name,
                       vol->name);
        goto cleanup;
    }

    if (volStorageBackendRBDRefreshVolInfo(vol, pool, ptr) < 0) {
        goto cleanup;
    }

    ret = 0;

cleanup:
    virStorageBackendRBDCloseRADOSConn(ptr);
    return ret;
}
示例#4
0
static int virStorageBackendRBDResizeVol(virConnectPtr conn ATTRIBUTE_UNUSED,
        virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
        virStorageVolDefPtr vol,
        unsigned long long capacity,
        unsigned int flags)
{
    virStorageBackendRBDStatePtr ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    rbd_image_t image = NULL;
    int ret = -1;

    virCheckFlags(0, -1);

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (rados_ioctx_create(ptr.cluster,
                           pool->def->source.name, &ptr.ioctx) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create the RBD IoCTX. Does the pool '%s' exist?"),
                       pool->def->source.name);
        goto cleanup;
    }

    if (rbd_open(ptr.ioctx, vol->name, &image, NULL) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to open the RBD image '%s'"),
                       vol->name);
        goto cleanup;
    }

    if (rbd_resize(image, capacity) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to resize the RBD image '%s'"),
                       vol->name);
        goto cleanup;
    }

    ret = 0;

cleanup:
    if (image != NULL)
        rbd_close(image);
    virStorageBackendRBDCloseRADOSConn(ptr);
    return ret;
}
示例#5
0
static int virStorageBackendRBDResizeVol(virConnectPtr conn ATTRIBUTE_UNUSED,
                                     virStoragePoolObjPtr pool ATTRIBUTE_UNUSED,
                                     virStorageVolDefPtr vol,
                                     unsigned long long capacity,
                                     unsigned int flags)
{
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    rbd_image_t image = NULL;
    int ret = -1;
    int r = 0;

    virCheckFlags(0, -1);

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0) {
        goto cleanup;
    }

    r = rbd_open(ptr.ioctx, vol->name, &image, NULL);
    if (r < 0) {
       virReportSystemError(-r, _("failed to open the RBD image '%s'"),
                            vol->name);
       goto cleanup;
    }

    r = rbd_resize(image, capacity);
    if (r < 0) {
        virReportSystemError(-r, _("failed to resize the RBD image '%s'"),
                             vol->name);
        goto cleanup;
    }

    ret = 0;

cleanup:
    if (image != NULL)
       rbd_close(image);
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}
示例#6
0
static int virStorageBackendRBDDeleteVol(virConnectPtr conn,
        virStoragePoolObjPtr pool,
        virStorageVolDefPtr vol,
        unsigned int flags)
{
    int ret = -1;
    virStorageBackendRBDStatePtr ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;

    VIR_DEBUG("Removing RBD image %s/%s", pool->def->source.name, vol->name);

    if (flags & VIR_STORAGE_VOL_DELETE_ZEROED) {
        VIR_WARN("%s", _("This storage backend does not supported zeroed removal of volumes"));
    }

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (rados_ioctx_create(ptr.cluster,
                           pool->def->source.name, &ptr.ioctx) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create the RBD IoCTX. Does the pool '%s' exist?"),
                       pool->def->source.name);
        goto cleanup;
    }

    if (rbd_remove(ptr.ioctx, vol->name) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to remove volume '%s/%s'"),
                       pool->def->source.name,
                       vol->name);
        goto cleanup;
    }

    ret = 0;

cleanup:
    virStorageBackendRBDCloseRADOSConn(ptr);
    return ret;
}
示例#7
0
static int virStorageBackendRBDDeleteVol(virConnectPtr conn,
                                         virStoragePoolObjPtr pool,
                                         virStorageVolDefPtr vol,
                                         unsigned int flags)
{
    int ret = -1;
    int r = 0;
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;

    VIR_DEBUG("Removing RBD image %s/%s", pool->def->source.name, vol->name);

    if (flags & VIR_STORAGE_VOL_DELETE_ZEROED) {
        VIR_WARN("%s", _("This storage backend does not supported zeroed removal of volumes"));
    }

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, &pool->def->source) < 0) {
        goto cleanup;
    }

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0) {
        goto cleanup;
    }

    r = rbd_remove(ptr.ioctx, vol->name);
    if (r < 0) {
        virReportSystemError(-r, _("failed to remove volume '%s/%s'"),
                             pool->def->source.name, vol->name);
        goto cleanup;
    }

    ret = 0;

 cleanup:
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}
示例#8
0
static int virStorageBackendRBDRefreshPool(virConnectPtr conn ATTRIBUTE_UNUSED,
        virStoragePoolObjPtr pool)
{
    size_t max_size = 1024;
    int ret = -1;
    int len = -1;
    int i;
    char *name, *names = NULL;
    virStorageBackendRBDStatePtr ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (rados_ioctx_create(ptr.cluster,
                           pool->def->source.name, &ptr.ioctx) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to create the RBD IoCTX. Does the pool '%s' exist?"),
                       pool->def->source.name);
        goto cleanup;
    }

    struct rados_cluster_stat_t stat;
    if (rados_cluster_stat(ptr.cluster, &stat) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
                       _("failed to stat the RADOS cluster"));
        goto cleanup;
    }

    struct rados_pool_stat_t poolstat;
    if (rados_ioctx_pool_stat(ptr.ioctx, &poolstat) < 0) {
        virReportError(VIR_ERR_INTERNAL_ERROR,
                       _("failed to stat the RADOS pool '%s'"),
                       pool->def->source.name);
        goto cleanup;
    }

    pool->def->capacity = stat.kb * 1024;
    pool->def->available = stat.kb_avail * 1024;
    pool->def->allocation = poolstat.num_bytes;

    VIR_DEBUG("Utilization of RBD pool %s: (kb: %llu kb_avail: %llu num_bytes: %llu)",
              pool->def->source.name, (unsigned long long)stat.kb,
              (unsigned long long)stat.kb_avail,
              (unsigned long long)poolstat.num_bytes);

    while (true) {
        if (VIR_ALLOC_N(names, max_size) < 0)
            goto out_of_memory;

        len = rbd_list(ptr.ioctx, names, &max_size);
        if (len >= 0)
            break;
        if (len != -ERANGE) {
            VIR_WARN("%s", _("A problem occurred while listing RBD images"));
            goto cleanup;
        }
        VIR_FREE(names);
    }

    for (i = 0, name = names; name < names + max_size; i++) {
        virStorageVolDefPtr vol;

        if (VIR_REALLOC_N(pool->volumes.objs, pool->volumes.count + 1) < 0) {
            virStoragePoolObjClearVols(pool);
            goto out_of_memory;
        }

        if (STREQ(name, ""))
            break;

        if (VIR_ALLOC(vol) < 0)
            goto out_of_memory;

        vol->name = strdup(name);
        if (vol->name == NULL) {
            VIR_FREE(vol);
            goto out_of_memory;
        }

        name += strlen(name) + 1;

        if (volStorageBackendRBDRefreshVolInfo(vol, pool, ptr) < 0) {
            virStorageVolDefFree(vol);
            goto cleanup;
        }

        pool->volumes.objs[pool->volumes.count++] = vol;
    }

    VIR_DEBUG("Found %d images in RBD pool %s",
              pool->volumes.count, pool->def->source.name);

    ret = 0;

cleanup:
    VIR_FREE(names);
    virStorageBackendRBDCloseRADOSConn(ptr);
    return ret;

out_of_memory:
    virReportOOMError();
    goto cleanup;
}
示例#9
0
static int virStorageBackendRBDCreateImage(rados_ioctx_t io,
                                           char *name, long capacity)
{
    int order = 0;
#if LIBRBD_VERSION_CODE > 260
    uint64_t features = 3;
    uint64_t stripe_count = 1;
    uint64_t stripe_unit = 4194304;

    if (rbd_create3(io, name, capacity, features, &order,
                    stripe_count, stripe_unit) < 0) {
#else
    if (rbd_create(io, name, capacity, &order) < 0) {
#endif
        return -1;
    }

    return 0;
}

static int
virStorageBackendRBDBuildVol(virConnectPtr conn,
                             virStoragePoolObjPtr pool,
                             virStorageVolDefPtr vol,
                             unsigned int flags)
{
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;
    int ret = -1;
    int r = 0;

    VIR_DEBUG("Creating RBD image %s/%s with size %llu",
              pool->def->source.name,
              vol->name, vol->capacity);

    virCheckFlags(0, -1);

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0)
        goto cleanup;

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0)
        goto cleanup;

    if (vol->target.encryption != NULL) {
        virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
                       _("storage pool does not support encrypted volumes"));
        goto cleanup;
    }

    r = virStorageBackendRBDCreateImage(ptr.ioctx, vol->name, vol->capacity);
    if (r < 0) {
        virReportSystemError(-r, _("failed to create volume '%s/%s'"),
                             pool->def->source.name,
                             vol->name);
        goto cleanup;
    }

    if (volStorageBackendRBDRefreshVolInfo(vol, pool, &ptr) < 0)
        goto cleanup;

    ret = 0;

cleanup:
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}
示例#10
0
static int virStorageBackendRBDRefreshPool(virConnectPtr conn,
                                           virStoragePoolObjPtr pool)
{
    size_t max_size = 1024;
    int ret = -1;
    int len = -1;
    int r = 0;
    char *name, *names = NULL;
    virStorageBackendRBDState ptr;
    ptr.cluster = NULL;
    ptr.ioctx = NULL;

    if (virStorageBackendRBDOpenRADOSConn(&ptr, conn, pool) < 0) {
        goto cleanup;
    }

    if (virStorageBackendRBDOpenIoCTX(&ptr, pool) < 0) {
        goto cleanup;
    }

    struct rados_cluster_stat_t clusterstat;
    r = rados_cluster_stat(ptr.cluster, &clusterstat);
    if (r < 0) {
        virReportSystemError(-r, "%s", _("failed to stat the RADOS cluster"));
        goto cleanup;
    }

    struct rados_pool_stat_t poolstat;
    r = rados_ioctx_pool_stat(ptr.ioctx, &poolstat);
    if (r < 0) {
        virReportSystemError(-r, _("failed to stat the RADOS pool '%s'"),
                             pool->def->source.name);
        goto cleanup;
    }

    pool->def->capacity = clusterstat.kb * 1024;
    pool->def->available = clusterstat.kb_avail * 1024;
    pool->def->allocation = poolstat.num_bytes;

    VIR_DEBUG("Utilization of RBD pool %s: (kb: %llu kb_avail: %llu num_bytes: %llu)",
              pool->def->source.name, (unsigned long long)clusterstat.kb,
              (unsigned long long)clusterstat.kb_avail,
              (unsigned long long)poolstat.num_bytes);

    while (true) {
        if (VIR_ALLOC_N(names, max_size) < 0)
            goto cleanup;

        len = rbd_list(ptr.ioctx, names, &max_size);
        if (len >= 0)
            break;
        if (len != -ERANGE) {
            VIR_WARN("%s", _("A problem occurred while listing RBD images"));
            goto cleanup;
        }
        VIR_FREE(names);
    }

    for (name = names; name < names + max_size;) {
        virStorageVolDefPtr vol;

        if (VIR_REALLOC_N(pool->volumes.objs, pool->volumes.count + 1) < 0) {
            virStoragePoolObjClearVols(pool);
            goto cleanup;
        }

        if (STREQ(name, ""))
            break;

        if (VIR_ALLOC(vol) < 0)
            goto cleanup;

        if (VIR_STRDUP(vol->name, name) < 0) {
            VIR_FREE(vol);
            goto cleanup;
        }

        name += strlen(name) + 1;

        if (volStorageBackendRBDRefreshVolInfo(vol, pool, &ptr) < 0) {
            virStorageVolDefFree(vol);
            goto cleanup;
        }

        pool->volumes.objs[pool->volumes.count++] = vol;
    }

    VIR_DEBUG("Found %zu images in RBD pool %s",
              pool->volumes.count, pool->def->source.name);

    ret = 0;

cleanup:
    VIR_FREE(names);
    virStorageBackendRBDCloseRADOSConn(&ptr);
    return ret;
}