blobstore: clone-snapshot relations unit tests
Change-Id: I3f9e54774951e691378e0659dcf15cecacd77e2c Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com> Reviewed-on: https://review.gerrithub.io/405026 Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Tested-by: SPDK Automated Test System <sys_sgsw@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
This commit is contained in:
Tomasz Kulasek
Daniel Verkamp
parent
d7e065be93
commit
0893ad54c6
@ -3761,6 +3761,275 @@ blob_snapshot_rw_iov(void)
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g_blobid = 0;
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}
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/**
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* Snapshot-clones relation test
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*
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* snapshot
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* |
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* +----+----+
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* | |
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* blob clone
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* |
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* clone2
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*/
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static void
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blob_relations(void)
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{
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struct spdk_blob_store *bs;
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struct spdk_bs_dev *dev;
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struct spdk_bs_opts bs_opts;
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struct spdk_blob_opts opts;
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struct spdk_blob *blob, *snapshot, *clone, *clone2;
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spdk_blob_id blobid, cloneid, snapshotid, cloneid2;
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int rc;
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size_t count;
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spdk_blob_id ids[10];
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dev = init_dev();
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spdk_bs_opts_init(&bs_opts);
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snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
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spdk_bs_init(dev, &bs_opts, bs_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_bs != NULL);
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bs = g_bs;
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/* 1. Create blob with 10 clusters */
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spdk_blob_opts_init(&opts);
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opts.num_clusters = 10;
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spdk_bs_create_blob_ext(bs, &opts, blob_op_with_id_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
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blobid = g_blobid;
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spdk_bs_open_blob(bs, blobid, blob_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_blob != NULL);
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blob = g_blob;
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CU_ASSERT(!spdk_blob_is_read_only(blob));
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CU_ASSERT(!spdk_blob_is_snapshot(blob));
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CU_ASSERT(!spdk_blob_is_clone(blob));
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CU_ASSERT(!spdk_blob_is_thin_provisioned(blob));
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/* blob should not have underlying snapshot nor clones */
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == SPDK_BLOBID_INVALID);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, blobid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 0);
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/* 2. Create snapshot */
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spdk_bs_create_snapshot(bs, blobid, NULL, blob_op_with_id_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
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snapshotid = g_blobid;
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spdk_bs_open_blob(bs, snapshotid, blob_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_blob != NULL);
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snapshot = g_blob;
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CU_ASSERT(spdk_blob_is_read_only(snapshot));
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CU_ASSERT(spdk_blob_is_snapshot(snapshot));
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CU_ASSERT(!spdk_blob_is_clone(snapshot));
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
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/* Check if original blob is converted to the clone of snapshot */
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CU_ASSERT(!spdk_blob_is_read_only(blob));
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CU_ASSERT(!spdk_blob_is_snapshot(blob));
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CU_ASSERT(spdk_blob_is_clone(blob));
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CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 1);
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CU_ASSERT(ids[0] == blobid);
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/* 3. Create clone from snapshot */
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spdk_bs_create_clone(bs, snapshotid, NULL, blob_op_with_id_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
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cloneid = g_blobid;
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spdk_bs_open_blob(bs, cloneid, blob_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_blob != NULL);
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clone = g_blob;
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CU_ASSERT(!spdk_blob_is_read_only(clone));
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CU_ASSERT(!spdk_blob_is_snapshot(clone));
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CU_ASSERT(spdk_blob_is_clone(clone));
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CU_ASSERT(spdk_blob_is_thin_provisioned(clone));
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 0);
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/* Check if clone is on the snapshot's list */
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
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CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
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/* 4. Try to create clone from read only blob */
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/* Mark blob as read only */
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spdk_blob_set_read_only(blob);
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spdk_blob_sync_md(blob, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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/* Check if previously created blob is read only clone */
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CU_ASSERT(spdk_blob_is_read_only(blob));
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CU_ASSERT(!spdk_blob_is_snapshot(blob));
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CU_ASSERT(spdk_blob_is_clone(blob));
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CU_ASSERT(spdk_blob_is_thin_provisioned(blob));
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/* Create clone from read only blob */
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spdk_bs_create_clone(bs, blobid, NULL, blob_op_with_id_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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CU_ASSERT(g_blobid != SPDK_BLOBID_INVALID);
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cloneid2 = g_blobid;
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spdk_bs_open_blob(bs, cloneid2, blob_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_blob != NULL);
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clone2 = g_blob;
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CU_ASSERT(!spdk_blob_is_read_only(clone2));
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CU_ASSERT(!spdk_blob_is_snapshot(clone2));
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CU_ASSERT(spdk_blob_is_clone(clone2));
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CU_ASSERT(spdk_blob_is_thin_provisioned(clone2));
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, blobid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 1);
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CU_ASSERT(ids[0] == cloneid2);
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/* Close blobs */
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spdk_blob_close(clone2, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_blob_close(blob, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_blob_close(clone, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_blob_close(snapshot, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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/* Try to delete snapshot with created clones */
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spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno != 0);
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spdk_bs_unload(bs, bs_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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g_bs = NULL;
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/* Load an existing blob store */
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dev = init_dev();
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snprintf(bs_opts.bstype.bstype, sizeof(bs_opts.bstype.bstype), "TESTTYPE");
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spdk_bs_load(dev, NULL, bs_op_with_handle_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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SPDK_CU_ASSERT_FATAL(g_bs != NULL);
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bs = g_bs;
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/* NULL ids array should return number of clones in count */
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, snapshotid, NULL, &count);
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CU_ASSERT(rc == -ENOMEM);
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CU_ASSERT(count == 2);
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/* incorrect array size */
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count = 1;
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rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
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CU_ASSERT(rc == -ENOMEM);
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CU_ASSERT(count == 2);
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/* Verify structure of loaded blob store */
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/* snapshot */
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, snapshotid) == SPDK_BLOBID_INVALID);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, snapshotid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 2);
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CU_ASSERT(ids[0] == blobid || ids[1] == blobid);
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CU_ASSERT(ids[0] == cloneid || ids[1] == cloneid);
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/* blob */
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, blobid) == snapshotid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, blobid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 1);
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CU_ASSERT(ids[0] == cloneid2);
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/* clone */
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid) == snapshotid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, cloneid, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 0);
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/* clone2 */
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CU_ASSERT(spdk_blob_get_parent_snapshot(bs, cloneid2) == blobid);
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count = SPDK_COUNTOF(ids);
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rc = spdk_blob_get_clones(bs, cloneid2, ids, &count);
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CU_ASSERT(rc == 0);
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CU_ASSERT(count == 0);
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/* Try to delete all blobs */
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spdk_bs_delete_blob(bs, cloneid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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/* Try to delete snapshot with clones */
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spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno != 0);
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/* Try to delete ro blob with clones */
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spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno != 0);
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spdk_bs_delete_blob(bs, cloneid2, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_bs_delete_blob(bs, blobid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_bs_delete_blob(bs, snapshotid, blob_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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spdk_bs_unload(bs, bs_op_complete, NULL);
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CU_ASSERT(g_bserrno == 0);
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g_bs = NULL;
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}
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int main(int argc, char **argv)
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{
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CU_pSuite suite = NULL;
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@ -3819,7 +4088,8 @@ int main(int argc, char **argv)
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CU_add_test(suite, "blob_thin_prov_rw_iov", blob_thin_prov_rw_iov) == NULL ||
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CU_add_test(suite, "bs_load_iter", bs_load_iter) == NULL ||
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CU_add_test(suite, "blob_snapshot_rw", blob_snapshot_rw) == NULL ||
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CU_add_test(suite, "blob_snapshot_rw_iov", blob_snapshot_rw_iov) == NULL
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CU_add_test(suite, "blob_snapshot_rw_iov", blob_snapshot_rw_iov) == NULL ||
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CU_add_test(suite, "blob_relations", blob_relations) == NULL
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) {
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CU_cleanup_registry();
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return CU_get_error();
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