int
connect_to_cluster(rados_t *pcluster)
{
int r;
r = rados_create(pcluster, NULL);
if (r < 0) {
simple_err("Could not create cluster handle", r);
return r;
}
rados_conf_parse_env(*pcluster, NULL);
r = rados_conf_read_file(*pcluster, rbd_options.ceph_config);
if (r < 0) {
simple_err("Error reading Ceph config file", r);
goto failed_shutdown;
}
r = rados_connect(*pcluster);
if (r < 0) {
simple_err("Error connecting to cluster", r);
goto failed_shutdown;
}
return 0;
failed_shutdown:
rados_shutdown(*pcluster);
return r;
}
static tgtadm_err bs_rbd_init(struct scsi_lu *lu)
{
tgtadm_err ret = TGTADM_UNKNOWN_ERR;
int rados_ret;
struct bs_thread_info *info = BS_THREAD_I(lu);
rados_ret = rados_create(&cluster, NULL);
if (rados_ret < 0) {
eprintf("bs_rbd_init: rados_create: %d\n", rados_ret);
return ret;
}
/* read config from environment and then default files */
rados_ret = rados_conf_parse_env(cluster, NULL);
if (rados_ret < 0) {
eprintf("bs_rbd_init: rados_conf_parse_env: %d\n", rados_ret);
goto fail;
}
rados_ret = rados_conf_read_file(cluster, NULL);
if (rados_ret < 0) {
eprintf("bs_rbd_init: rados_conf_read_file: %d\n", rados_ret);
goto fail;
}
rados_ret = rados_connect(cluster);
if (rados_ret < 0) {
eprintf("bs_rbd_init: rados_connect: %d\n", rados_ret);
goto fail;
}
ret = bs_thread_open(info, bs_rbd_request, nr_iothreads);
if (ret == TGTADM_SUCCESS)
return ret;
fail:
rados_shutdown(&cluster);
return ret;
}
int
create_image()
{
int r;
int order = 0;
r = rados_create(&cluster, NULL);
if (r < 0) {
simple_err("Could not create cluster handle", r);
return r;
}
rados_conf_parse_env(cluster, NULL);
r = rados_conf_read_file(cluster, NULL);
if (r < 0) {
simple_err("Error reading ceph config file", r);
goto failed_shutdown;
}
r = rados_connect(cluster);
if (r < 0) {
simple_err("Error connecting to cluster", r);
goto failed_shutdown;
}
r = krbd_create_from_context(rados_cct(cluster), &krbd);
if (r < 0) {
simple_err("Could not create libkrbd handle", r);
goto failed_shutdown;
}
r = rados_pool_create(cluster, pool);
if (r < 0 && r != -EEXIST) {
simple_err("Error creating pool", r);
goto failed_krbd;
}
r = rados_ioctx_create(cluster, pool, &ioctx);
if (r < 0) {
simple_err("Error creating ioctx", r);
goto failed_krbd;
}
if (clone_calls) {
r = rbd_create2(ioctx, iname, 0, RBD_FEATURE_LAYERING, &order);
} else {
r = rbd_create(ioctx, iname, 0, &order);
}
if (r < 0) {
simple_err("Error creating image", r);
goto failed_open;
}
return 0;
failed_open:
rados_ioctx_destroy(ioctx);
failed_krbd:
krbd_destroy(krbd);
failed_shutdown:
rados_shutdown(cluster);
return r;
}
int
create_image()
{
int r;
rados_t cluster;
int order = 0;
r = rados_create(&cluster, NULL);
if (r < 0) {
simple_err("Could not create cluster handle", r);
return r;
}
rados_conf_parse_env(cluster, NULL);
r = rados_conf_read_file(cluster, NULL);
if (r < 0) {
simple_err("Error reading ceph config file", r);
goto failed_shutdown;
}
r = rados_connect(cluster);
if (r < 0) {
simple_err("Error connecting to cluster", r);
goto failed_shutdown;
}
r = rados_pool_create(cluster, pool);
if (r < 0 && r != -EEXIST) {
simple_err("Error creating pool", r);
goto failed_shutdown;
}
r = rados_ioctx_create(cluster, pool, &ioctx);
if (r < 0) {
simple_err("Error creating ioctx", r);
goto failed_shutdown;
}
r = rbd_create(ioctx, iname, 0, &order);
if (r < 0) {
simple_err("Error creating image", r);
goto failed_open;
}
return 0;
failed_open:
rados_ioctx_destroy(ioctx);
failed_shutdown:
rados_shutdown(cluster);
return r;
}