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1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include "cls/rbd/cls_rbd_types.h" | |
5 | #include "test/librbd/test_fixture.h" | |
6 | #include "test/librbd/test_support.h" | |
7 | #include "include/rbd/librbd.h" | |
8 | #include "librbd/ExclusiveLock.h" | |
9 | #include "librbd/ImageState.h" | |
10 | #include "librbd/ImageWatcher.h" | |
11 | #include "librbd/internal.h" | |
12 | #include "librbd/ObjectMap.h" | |
13 | #include "librbd/Operations.h" | |
14 | #include "librbd/api/DiffIterate.h" | |
15 | #include "librbd/io/AioCompletion.h" | |
16 | #include "librbd/io/ImageRequest.h" | |
17 | #include "librbd/io/ImageRequestWQ.h" | |
18 | #include "osdc/Striper.h" | |
19 | #include <boost/scope_exit.hpp> | |
d2e6a577 | 20 | #include <boost/algorithm/string/predicate.hpp> |
7c673cae FG |
21 | #include <boost/assign/list_of.hpp> |
22 | #include <utility> | |
23 | #include <vector> | |
24 | ||
25 | void register_test_internal() { | |
26 | } | |
27 | ||
28 | class TestInternal : public TestFixture { | |
29 | public: | |
30 | ||
31 | TestInternal() {} | |
32 | ||
33 | typedef std::vector<std::pair<std::string, bool> > Snaps; | |
34 | ||
35 | void TearDown() override { | |
36 | unlock_image(); | |
37 | for (Snaps::iterator iter = m_snaps.begin(); iter != m_snaps.end(); ++iter) { | |
38 | librbd::ImageCtx *ictx; | |
39 | EXPECT_EQ(0, open_image(m_image_name, &ictx)); | |
40 | if (iter->second) { | |
41 | EXPECT_EQ(0, | |
42 | ictx->operations->snap_unprotect(cls::rbd::UserSnapshotNamespace(), | |
43 | iter->first.c_str())); | |
44 | } | |
45 | EXPECT_EQ(0, | |
46 | ictx->operations->snap_remove(cls::rbd::UserSnapshotNamespace(), | |
47 | iter->first.c_str())); | |
48 | } | |
49 | ||
50 | TestFixture::TearDown(); | |
51 | } | |
52 | ||
53 | int create_snapshot(const char *snap_name, bool snap_protect) { | |
54 | librbd::ImageCtx *ictx; | |
55 | int r = open_image(m_image_name, &ictx); | |
56 | if (r < 0) { | |
57 | return r; | |
58 | } | |
59 | ||
60 | r = snap_create(*ictx, snap_name); | |
61 | if (r < 0) { | |
62 | return r; | |
63 | } | |
64 | ||
65 | m_snaps.push_back(std::make_pair(snap_name, snap_protect)); | |
66 | if (snap_protect) { | |
67 | r = ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(), snap_name); | |
68 | if (r < 0) { | |
69 | return r; | |
70 | } | |
71 | } | |
72 | close_image(ictx); | |
73 | return 0; | |
74 | } | |
75 | ||
76 | Snaps m_snaps; | |
77 | }; | |
78 | ||
79 | class DummyContext : public Context { | |
80 | public: | |
81 | void finish(int r) override { | |
82 | } | |
83 | }; | |
84 | ||
85 | void generate_random_iomap(librbd::Image &image, int num_objects, int object_size, | |
86 | int max_count, map<uint64_t, uint64_t> &iomap) | |
87 | { | |
88 | uint64_t stripe_unit, stripe_count; | |
89 | ||
90 | stripe_unit = image.get_stripe_unit(); | |
91 | stripe_count = image.get_stripe_count(); | |
92 | ||
93 | while (max_count-- > 0) { | |
94 | // generate random image offset based on base random object | |
95 | // number and object offset and then map that back to an | |
96 | // object number based on stripe unit and count. | |
97 | uint64_t ono = rand() % num_objects; | |
98 | uint64_t offset = rand() % (object_size - TEST_IO_SIZE); | |
99 | uint64_t imageoff = (ono * object_size) + offset; | |
100 | ||
101 | file_layout_t layout; | |
102 | layout.object_size = object_size; | |
103 | layout.stripe_unit = stripe_unit; | |
104 | layout.stripe_count = stripe_count; | |
105 | ||
106 | vector<ObjectExtent> ex; | |
107 | Striper::file_to_extents(g_ceph_context, 1, &layout, imageoff, TEST_IO_SIZE, 0, ex); | |
108 | ||
109 | // lets not worry if IO spans multiple extents (>1 object). in such | |
110 | // as case we would perform the write multiple times to the same | |
111 | // offset, but we record all objects that would be generated with | |
112 | // this IO. TODO: fix this if such a need is required by your | |
113 | // test. | |
114 | vector<ObjectExtent>::iterator it; | |
115 | map<uint64_t, uint64_t> curr_iomap; | |
116 | for (it = ex.begin(); it != ex.end(); ++it) { | |
117 | if (iomap.find((*it).objectno) != iomap.end()) { | |
118 | break; | |
119 | } | |
120 | ||
121 | curr_iomap.insert(make_pair((*it).objectno, imageoff)); | |
122 | } | |
123 | ||
124 | if (it == ex.end()) { | |
125 | iomap.insert(curr_iomap.begin(), curr_iomap.end()); | |
126 | } | |
127 | } | |
128 | } | |
129 | ||
130 | TEST_F(TestInternal, OpenByID) { | |
131 | REQUIRE_FORMAT_V2(); | |
132 | ||
133 | librbd::ImageCtx *ictx; | |
134 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
135 | std::string id = ictx->id; | |
136 | close_image(ictx); | |
137 | ||
138 | ictx = new librbd::ImageCtx("", id, nullptr, m_ioctx, true); | |
139 | ASSERT_EQ(0, ictx->state->open(false)); | |
140 | ASSERT_EQ(ictx->name, m_image_name); | |
141 | close_image(ictx); | |
142 | } | |
143 | ||
144 | TEST_F(TestInternal, IsExclusiveLockOwner) { | |
145 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
146 | ||
147 | librbd::ImageCtx *ictx; | |
148 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
149 | ||
150 | bool is_owner; | |
151 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
152 | ASSERT_FALSE(is_owner); | |
153 | ||
154 | C_SaferCond ctx; | |
155 | { | |
156 | RWLock::WLocker l(ictx->owner_lock); | |
157 | ictx->exclusive_lock->try_acquire_lock(&ctx); | |
158 | } | |
159 | ASSERT_EQ(0, ctx.wait()); | |
160 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
161 | ASSERT_TRUE(is_owner); | |
162 | } | |
163 | ||
164 | TEST_F(TestInternal, ResizeLocksImage) { | |
165 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
166 | ||
167 | librbd::ImageCtx *ictx; | |
168 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
169 | ||
170 | librbd::NoOpProgressContext no_op; | |
171 | ASSERT_EQ(0, ictx->operations->resize(m_image_size >> 1, true, no_op)); | |
172 | ||
173 | bool is_owner; | |
174 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
175 | ASSERT_TRUE(is_owner); | |
176 | } | |
177 | ||
178 | TEST_F(TestInternal, ResizeFailsToLockImage) { | |
179 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
180 | ||
181 | librbd::ImageCtx *ictx; | |
182 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
183 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, "manually locked")); | |
184 | ||
185 | librbd::NoOpProgressContext no_op; | |
186 | ASSERT_EQ(-EROFS, ictx->operations->resize(m_image_size >> 1, true, no_op)); | |
187 | } | |
188 | ||
189 | TEST_F(TestInternal, SnapCreateLocksImage) { | |
190 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
191 | ||
192 | librbd::ImageCtx *ictx; | |
193 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
194 | ||
195 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
196 | BOOST_SCOPE_EXIT( (ictx) ) { | |
197 | ASSERT_EQ(0, | |
198 | ictx->operations->snap_remove(cls::rbd::UserSnapshotNamespace(), | |
199 | "snap1")); | |
200 | } BOOST_SCOPE_EXIT_END; | |
201 | ||
202 | bool is_owner; | |
203 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
204 | ASSERT_TRUE(is_owner); | |
205 | } | |
206 | ||
207 | TEST_F(TestInternal, SnapCreateFailsToLockImage) { | |
208 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
209 | ||
210 | librbd::ImageCtx *ictx; | |
211 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
212 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, "manually locked")); | |
213 | ||
214 | ASSERT_EQ(-EROFS, snap_create(*ictx, "snap1")); | |
215 | } | |
216 | ||
217 | TEST_F(TestInternal, SnapRollbackLocksImage) { | |
218 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
219 | ||
220 | ASSERT_EQ(0, create_snapshot("snap1", false)); | |
221 | ||
222 | librbd::ImageCtx *ictx; | |
223 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
224 | ||
225 | librbd::NoOpProgressContext no_op; | |
226 | ASSERT_EQ(0, ictx->operations->snap_rollback(cls::rbd::UserSnapshotNamespace(), | |
227 | "snap1", | |
228 | no_op)); | |
229 | ||
230 | bool is_owner; | |
231 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
232 | ASSERT_TRUE(is_owner); | |
233 | } | |
234 | ||
235 | TEST_F(TestInternal, SnapRollbackFailsToLockImage) { | |
236 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
237 | ||
238 | ||
239 | ASSERT_EQ(0, create_snapshot("snap1", false)); | |
240 | ||
241 | librbd::ImageCtx *ictx; | |
242 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
243 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, "manually locked")); | |
244 | ||
245 | librbd::NoOpProgressContext no_op; | |
246 | ASSERT_EQ(-EROFS, | |
247 | ictx->operations->snap_rollback(cls::rbd::UserSnapshotNamespace(), | |
248 | "snap1", | |
249 | no_op)); | |
250 | } | |
251 | ||
252 | TEST_F(TestInternal, SnapSetReleasesLock) { | |
253 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
254 | ||
255 | ASSERT_EQ(0, create_snapshot("snap1", false)); | |
256 | ||
257 | librbd::ImageCtx *ictx; | |
258 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
259 | ASSERT_EQ(0, librbd::snap_set(ictx, cls::rbd::UserSnapshotNamespace(), "snap1")); | |
260 | ||
261 | bool is_owner; | |
262 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
263 | ASSERT_FALSE(is_owner); | |
264 | } | |
265 | ||
266 | TEST_F(TestInternal, FlattenLocksImage) { | |
267 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK | RBD_FEATURE_LAYERING); | |
268 | ||
269 | ASSERT_EQ(0, create_snapshot("snap1", true)); | |
270 | ||
271 | librbd::ImageCtx *ictx; | |
272 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
273 | ||
274 | uint64_t features; | |
275 | ASSERT_EQ(0, librbd::get_features(ictx, &features)); | |
276 | ||
277 | std::string clone_name = get_temp_image_name(); | |
278 | int order = ictx->order; | |
279 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
280 | clone_name.c_str(), features, &order, 0, 0)); | |
281 | ||
282 | librbd::ImageCtx *ictx2; | |
283 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
284 | ||
285 | librbd::NoOpProgressContext no_op; | |
286 | ASSERT_EQ(0, ictx2->operations->flatten(no_op)); | |
287 | ||
288 | bool is_owner; | |
289 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx2, &is_owner)); | |
290 | ASSERT_TRUE(is_owner); | |
291 | } | |
292 | ||
293 | TEST_F(TestInternal, FlattenFailsToLockImage) { | |
294 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK | RBD_FEATURE_LAYERING); | |
295 | ||
296 | ASSERT_EQ(0, create_snapshot("snap1", true)); | |
297 | ||
298 | librbd::ImageCtx *ictx; | |
299 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
300 | ||
301 | uint64_t features; | |
302 | ASSERT_EQ(0, librbd::get_features(ictx, &features)); | |
303 | ||
304 | std::string clone_name = get_temp_image_name(); | |
305 | int order = ictx->order; | |
306 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
307 | clone_name.c_str(), features, &order, 0, 0)); | |
308 | ||
309 | TestInternal *parent = this; | |
310 | librbd::ImageCtx *ictx2 = NULL; | |
311 | BOOST_SCOPE_EXIT( (&m_ioctx) (clone_name) (parent) (&ictx2) ) { | |
312 | if (ictx2 != NULL) { | |
313 | parent->close_image(ictx2); | |
314 | parent->unlock_image(); | |
315 | } | |
316 | librbd::NoOpProgressContext no_op; | |
317 | ASSERT_EQ(0, librbd::remove(m_ioctx, clone_name, "", no_op)); | |
318 | } BOOST_SCOPE_EXIT_END; | |
319 | ||
320 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
321 | ASSERT_EQ(0, lock_image(*ictx2, LOCK_EXCLUSIVE, "manually locked")); | |
322 | ||
323 | librbd::NoOpProgressContext no_op; | |
324 | ASSERT_EQ(-EROFS, ictx2->operations->flatten(no_op)); | |
325 | } | |
326 | ||
327 | TEST_F(TestInternal, AioWriteRequestsLock) { | |
328 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
329 | ||
330 | librbd::ImageCtx *ictx; | |
331 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
332 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, "manually locked")); | |
333 | ||
334 | std::string buffer(256, '1'); | |
335 | Context *ctx = new DummyContext(); | |
336 | auto c = librbd::io::AioCompletion::create(ctx); | |
337 | c->get(); | |
338 | ||
339 | bufferlist bl; | |
340 | bl.append(buffer); | |
341 | ictx->io_work_queue->aio_write(c, 0, buffer.size(), std::move(bl), 0); | |
342 | ||
343 | bool is_owner; | |
344 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
345 | ASSERT_FALSE(is_owner); | |
346 | ASSERT_FALSE(c->is_complete()); | |
347 | ||
348 | unlock_image(); | |
349 | ASSERT_EQ(0, c->wait_for_complete()); | |
350 | c->put(); | |
351 | } | |
352 | ||
353 | TEST_F(TestInternal, AioDiscardRequestsLock) { | |
354 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
355 | ||
356 | librbd::ImageCtx *ictx; | |
357 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
358 | ASSERT_EQ(0, lock_image(*ictx, LOCK_EXCLUSIVE, "manually locked")); | |
359 | ||
360 | Context *ctx = new DummyContext(); | |
361 | auto c = librbd::io::AioCompletion::create(ctx); | |
362 | c->get(); | |
363 | ictx->io_work_queue->aio_discard(c, 0, 256, false); | |
364 | ||
365 | bool is_owner; | |
366 | ASSERT_EQ(0, librbd::is_exclusive_lock_owner(ictx, &is_owner)); | |
367 | ASSERT_FALSE(is_owner); | |
368 | ASSERT_FALSE(c->is_complete()); | |
369 | ||
370 | unlock_image(); | |
371 | ASSERT_EQ(0, c->wait_for_complete()); | |
372 | c->put(); | |
373 | } | |
374 | ||
375 | TEST_F(TestInternal, CancelAsyncResize) { | |
376 | REQUIRE_FEATURE(RBD_FEATURE_EXCLUSIVE_LOCK); | |
377 | ||
378 | librbd::ImageCtx *ictx; | |
379 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
380 | ||
381 | C_SaferCond ctx; | |
382 | { | |
383 | RWLock::WLocker l(ictx->owner_lock); | |
384 | ictx->exclusive_lock->try_acquire_lock(&ctx); | |
385 | } | |
386 | ||
387 | ASSERT_EQ(0, ctx.wait()); | |
388 | { | |
389 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
390 | ASSERT_TRUE(ictx->exclusive_lock->is_lock_owner()); | |
391 | } | |
392 | ||
393 | uint64_t size; | |
394 | ASSERT_EQ(0, librbd::get_size(ictx, &size)); | |
395 | ||
396 | uint32_t attempts = 0; | |
397 | while (attempts++ < 20 && size > 0) { | |
398 | C_SaferCond ctx; | |
399 | librbd::NoOpProgressContext prog_ctx; | |
400 | ||
401 | size -= MIN(size, 1<<18); | |
402 | { | |
403 | RWLock::RLocker l(ictx->owner_lock); | |
404 | ictx->operations->execute_resize(size, true, prog_ctx, &ctx, 0); | |
405 | } | |
406 | ||
407 | // try to interrupt the in-progress resize | |
408 | ictx->cancel_async_requests(); | |
409 | ||
410 | int r = ctx.wait(); | |
411 | if (r == -ERESTART) { | |
412 | std::cout << "detected canceled async request" << std::endl; | |
413 | break; | |
414 | } | |
415 | ASSERT_EQ(0, r); | |
416 | } | |
417 | } | |
418 | ||
419 | TEST_F(TestInternal, MultipleResize) { | |
420 | librbd::ImageCtx *ictx; | |
421 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
422 | ||
423 | if (ictx->exclusive_lock != nullptr) { | |
424 | C_SaferCond ctx; | |
425 | { | |
426 | RWLock::WLocker l(ictx->owner_lock); | |
427 | ictx->exclusive_lock->try_acquire_lock(&ctx); | |
428 | } | |
429 | ||
430 | RWLock::RLocker owner_locker(ictx->owner_lock); | |
431 | ASSERT_EQ(0, ctx.wait()); | |
432 | ASSERT_TRUE(ictx->exclusive_lock->is_lock_owner()); | |
433 | } | |
434 | ||
435 | uint64_t size; | |
436 | ASSERT_EQ(0, librbd::get_size(ictx, &size)); | |
437 | uint64_t original_size = size; | |
438 | ||
439 | std::vector<C_SaferCond*> contexts; | |
440 | ||
441 | uint32_t attempts = 0; | |
442 | librbd::NoOpProgressContext prog_ctx; | |
443 | while (size > 0) { | |
444 | uint64_t new_size = original_size; | |
445 | if (attempts++ % 2 == 0) { | |
446 | size -= MIN(size, 1<<18); | |
447 | new_size = size; | |
448 | } | |
449 | ||
450 | RWLock::RLocker l(ictx->owner_lock); | |
451 | contexts.push_back(new C_SaferCond()); | |
452 | ictx->operations->execute_resize(new_size, true, prog_ctx, contexts.back(), 0); | |
453 | } | |
454 | ||
455 | for (uint32_t i = 0; i < contexts.size(); ++i) { | |
456 | ASSERT_EQ(0, contexts[i]->wait()); | |
457 | delete contexts[i]; | |
458 | } | |
459 | ||
460 | ASSERT_EQ(0, librbd::get_size(ictx, &size)); | |
461 | ASSERT_EQ(0U, size); | |
462 | } | |
463 | ||
464 | TEST_F(TestInternal, Metadata) { | |
465 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
466 | ||
467 | map<string, bool> test_confs = boost::assign::map_list_of( | |
468 | "aaaaaaa", false)( | |
469 | "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", false)( | |
470 | "cccccccccccccc", false); | |
471 | map<string, bool>::iterator it = test_confs.begin(); | |
472 | int r; | |
473 | librbd::ImageCtx *ictx; | |
474 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
475 | ||
476 | r = ictx->operations->metadata_set(it->first, "value1"); | |
477 | ASSERT_EQ(0, r); | |
478 | ++it; | |
479 | r = ictx->operations->metadata_set(it->first, "value2"); | |
480 | ASSERT_EQ(0, r); | |
481 | ++it; | |
482 | r = ictx->operations->metadata_set(it->first, "value3"); | |
483 | ASSERT_EQ(0, r); | |
484 | r = ictx->operations->metadata_set("abcd", "value4"); | |
485 | ASSERT_EQ(0, r); | |
486 | r = ictx->operations->metadata_set("xyz", "value5"); | |
487 | ASSERT_EQ(0, r); | |
488 | map<string, bufferlist> pairs; | |
489 | r = librbd::metadata_list(ictx, "", 0, &pairs); | |
490 | ASSERT_EQ(0, r); | |
491 | ASSERT_EQ(5u, pairs.size()); | |
492 | r = ictx->operations->metadata_remove("abcd"); | |
493 | ASSERT_EQ(0, r); | |
494 | r = ictx->operations->metadata_remove("xyz"); | |
495 | ASSERT_EQ(0, r); | |
496 | pairs.clear(); | |
497 | r = librbd::metadata_list(ictx, "", 0, &pairs); | |
498 | ASSERT_EQ(0, r); | |
499 | ASSERT_EQ(3u, pairs.size()); | |
500 | string val; | |
501 | r = librbd::metadata_get(ictx, it->first, &val); | |
502 | ASSERT_EQ(0, r); | |
503 | ASSERT_STREQ(val.c_str(), "value3"); | |
504 | } | |
505 | ||
506 | TEST_F(TestInternal, MetadataFilter) { | |
507 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
508 | ||
509 | map<string, bool> test_confs = boost::assign::map_list_of( | |
510 | "aaaaaaa", false)( | |
511 | "bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb", false)( | |
512 | "cccccccccccccc", false); | |
513 | map<string, bool>::iterator it = test_confs.begin(); | |
514 | const string prefix = "test_config_"; | |
515 | bool is_continue; | |
516 | librbd::ImageCtx *ictx; | |
517 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
518 | ||
519 | librbd::Image image1; | |
520 | map<string, bufferlist> pairs, res; | |
521 | pairs["abc"].append("value"); | |
522 | pairs["abcabc"].append("value"); | |
523 | pairs[prefix+it->first].append("value1"); | |
524 | ++it; | |
525 | pairs[prefix+it->first].append("value2"); | |
526 | ++it; | |
527 | pairs[prefix+it->first].append("value3"); | |
528 | pairs[prefix+"asdfsdaf"].append("value6"); | |
529 | pairs[prefix+"zxvzxcv123"].append("value5"); | |
530 | ||
531 | is_continue = ictx->_filter_metadata_confs(prefix, test_confs, pairs, &res); | |
532 | ASSERT_TRUE(is_continue); | |
533 | ASSERT_TRUE(res.size() == 3U); | |
534 | it = test_confs.begin(); | |
535 | ASSERT_TRUE(res.count(it->first)); | |
536 | ASSERT_TRUE(it->second); | |
537 | ++it; | |
538 | ASSERT_TRUE(res.count(it->first)); | |
539 | ASSERT_TRUE(it->second); | |
540 | ++it; | |
541 | ASSERT_TRUE(res.count(it->first)); | |
542 | ASSERT_TRUE(it->second); | |
543 | res.clear(); | |
544 | ||
545 | pairs["zzzzzzzz"].append("value7"); | |
546 | is_continue = ictx->_filter_metadata_confs(prefix, test_confs, pairs, &res); | |
547 | ASSERT_FALSE(is_continue); | |
548 | ASSERT_TRUE(res.size() == 3U); | |
549 | } | |
550 | ||
551 | TEST_F(TestInternal, SnapshotCopyup) | |
552 | { | |
553 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
554 | ||
555 | librbd::ImageCtx *ictx; | |
556 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
557 | ||
558 | bufferlist bl; | |
559 | bl.append(std::string(256, '1')); | |
560 | ASSERT_EQ(256, ictx->io_work_queue->write(0, bl.length(), bufferlist{bl}, 0)); | |
561 | ||
562 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
563 | ASSERT_EQ(0, | |
564 | ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(), | |
565 | "snap1")); | |
566 | ||
567 | uint64_t features; | |
568 | ASSERT_EQ(0, librbd::get_features(ictx, &features)); | |
569 | ||
570 | std::string clone_name = get_temp_image_name(); | |
571 | int order = ictx->order; | |
572 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
573 | clone_name.c_str(), features, &order, 0, 0)); | |
574 | ||
575 | librbd::ImageCtx *ictx2; | |
576 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
577 | ||
578 | ASSERT_EQ(0, snap_create(*ictx2, "snap1")); | |
579 | ASSERT_EQ(0, snap_create(*ictx2, "snap2")); | |
580 | ||
581 | ASSERT_EQ(256, ictx2->io_work_queue->write(256, bl.length(), bufferlist{bl}, | |
582 | 0)); | |
583 | ||
584 | librados::IoCtx snap_ctx; | |
585 | snap_ctx.dup(ictx2->data_ctx); | |
586 | snap_ctx.snap_set_read(CEPH_SNAPDIR); | |
587 | ||
588 | librados::snap_set_t snap_set; | |
589 | ASSERT_EQ(0, snap_ctx.list_snaps(ictx2->get_object_name(0), &snap_set)); | |
590 | ||
591 | std::vector< std::pair<uint64_t,uint64_t> > expected_overlap = | |
592 | boost::assign::list_of( | |
593 | std::make_pair(0, 256))( | |
594 | std::make_pair(512, 2096640)); | |
595 | ASSERT_EQ(2U, snap_set.clones.size()); | |
596 | ASSERT_NE(CEPH_NOSNAP, snap_set.clones[0].cloneid); | |
597 | ASSERT_EQ(2U, snap_set.clones[0].snaps.size()); | |
598 | ASSERT_EQ(expected_overlap, snap_set.clones[0].overlap); | |
599 | ASSERT_EQ(CEPH_NOSNAP, snap_set.clones[1].cloneid); | |
600 | ||
601 | bufferptr read_ptr(256); | |
602 | bufferlist read_bl; | |
603 | read_bl.push_back(read_ptr); | |
604 | ||
605 | std::list<std::string> snaps = {"snap1", "snap2", ""}; | |
606 | librbd::io::ReadResult read_result{&read_bl}; | |
607 | for (std::list<std::string>::iterator it = snaps.begin(); | |
608 | it != snaps.end(); ++it) { | |
609 | const char *snap_name = it->empty() ? NULL : it->c_str(); | |
610 | ASSERT_EQ(0, librbd::snap_set(ictx2, | |
611 | cls::rbd::UserSnapshotNamespace(), | |
612 | snap_name)); | |
613 | ||
614 | ASSERT_EQ(256, | |
615 | ictx2->io_work_queue->read(0, 256, | |
616 | librbd::io::ReadResult{read_result}, | |
617 | 0)); | |
618 | ASSERT_TRUE(bl.contents_equal(read_bl)); | |
619 | ||
620 | ASSERT_EQ(256, | |
621 | ictx2->io_work_queue->read(256, 256, | |
622 | librbd::io::ReadResult{read_result}, | |
623 | 0)); | |
624 | if (snap_name == NULL) { | |
625 | ASSERT_TRUE(bl.contents_equal(read_bl)); | |
626 | } else { | |
627 | ASSERT_TRUE(read_bl.is_zero()); | |
628 | } | |
629 | ||
630 | // verify the object map was properly updated | |
631 | if ((ictx2->features & RBD_FEATURE_OBJECT_MAP) != 0) { | |
632 | uint8_t state = OBJECT_EXISTS; | |
633 | if ((ictx2->features & RBD_FEATURE_FAST_DIFF) != 0 && | |
634 | it != snaps.begin() && snap_name != NULL) { | |
635 | state = OBJECT_EXISTS_CLEAN; | |
636 | } | |
637 | ||
638 | librbd::ObjectMap<> object_map(*ictx2, ictx2->snap_id); | |
639 | C_SaferCond ctx; | |
640 | object_map.open(&ctx); | |
641 | ASSERT_EQ(0, ctx.wait()); | |
642 | ||
643 | RWLock::WLocker object_map_locker(ictx2->object_map_lock); | |
644 | ASSERT_EQ(state, object_map[0]); | |
645 | } | |
646 | } | |
647 | } | |
648 | ||
649 | TEST_F(TestInternal, ResizeCopyup) | |
650 | { | |
651 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
652 | ||
653 | m_image_name = get_temp_image_name(); | |
654 | m_image_size = 1 << 14; | |
655 | ||
656 | uint64_t features = 0; | |
657 | get_features(&features); | |
658 | int order = 12; | |
659 | ASSERT_EQ(0, m_rbd.create2(m_ioctx, m_image_name.c_str(), m_image_size, | |
660 | features, &order)); | |
661 | ||
662 | librbd::ImageCtx *ictx; | |
663 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
664 | ||
665 | bufferlist bl; | |
666 | bl.append(std::string(4096, '1')); | |
667 | for (size_t i = 0; i < m_image_size; i += bl.length()) { | |
668 | ASSERT_EQ((ssize_t)bl.length(), | |
669 | ictx->io_work_queue->write(i, bl.length(), | |
670 | bufferlist{bl}, 0)); | |
671 | } | |
672 | ||
673 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
674 | ASSERT_EQ(0, | |
675 | ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(), | |
676 | "snap1")); | |
677 | ||
678 | std::string clone_name = get_temp_image_name(); | |
679 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
680 | clone_name.c_str(), features, &order, 0, 0)); | |
681 | ||
682 | librbd::ImageCtx *ictx2; | |
683 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
684 | ASSERT_EQ(0, snap_create(*ictx2, "snap1")); | |
685 | ||
686 | bufferptr read_ptr(bl.length()); | |
687 | bufferlist read_bl; | |
688 | read_bl.push_back(read_ptr); | |
689 | ||
690 | // verify full / partial object removal properly copyup | |
691 | librbd::NoOpProgressContext no_op; | |
692 | ASSERT_EQ(0, ictx2->operations->resize(m_image_size - (1 << order) - 32, | |
693 | true, no_op)); | |
694 | ASSERT_EQ(0, ictx2->operations->resize(m_image_size - (2 << order) - 32, | |
695 | true, no_op)); | |
696 | ASSERT_EQ(0, librbd::snap_set(ictx2, | |
697 | cls::rbd::UserSnapshotNamespace(), | |
698 | "snap1")); | |
699 | ||
700 | { | |
701 | // hide the parent from the snapshot | |
702 | RWLock::WLocker snap_locker(ictx2->snap_lock); | |
703 | ictx2->snap_info.begin()->second.parent = librbd::ParentInfo(); | |
704 | } | |
705 | ||
706 | librbd::io::ReadResult read_result{&read_bl}; | |
707 | for (size_t i = 2 << order; i < m_image_size; i += bl.length()) { | |
708 | ASSERT_EQ((ssize_t)bl.length(), | |
709 | ictx2->io_work_queue->read(i, bl.length(), | |
710 | librbd::io::ReadResult{read_result}, | |
711 | 0)); | |
712 | ASSERT_TRUE(bl.contents_equal(read_bl)); | |
713 | } | |
714 | } | |
715 | ||
716 | TEST_F(TestInternal, DiscardCopyup) | |
717 | { | |
718 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
719 | ||
720 | CephContext* cct = reinterpret_cast<CephContext*>(_rados.cct()); | |
181888fb | 721 | REQUIRE(!cct->_conf->get_val<bool>("rbd_skip_partial_discard")); |
7c673cae FG |
722 | |
723 | m_image_name = get_temp_image_name(); | |
724 | m_image_size = 1 << 14; | |
725 | ||
726 | uint64_t features = 0; | |
727 | get_features(&features); | |
728 | int order = 12; | |
729 | ASSERT_EQ(0, m_rbd.create2(m_ioctx, m_image_name.c_str(), m_image_size, | |
730 | features, &order)); | |
731 | ||
732 | librbd::ImageCtx *ictx; | |
733 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
734 | ||
735 | bufferlist bl; | |
736 | bl.append(std::string(4096, '1')); | |
737 | for (size_t i = 0; i < m_image_size; i += bl.length()) { | |
738 | ASSERT_EQ((ssize_t)bl.length(), | |
739 | ictx->io_work_queue->write(i, bl.length(), | |
740 | bufferlist{bl}, 0)); | |
741 | } | |
742 | ||
743 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
744 | ASSERT_EQ(0, | |
745 | ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(), | |
746 | "snap1")); | |
747 | ||
748 | std::string clone_name = get_temp_image_name(); | |
749 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
750 | clone_name.c_str(), features, &order, 0, 0)); | |
751 | ||
752 | librbd::ImageCtx *ictx2; | |
753 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
754 | ||
755 | ASSERT_EQ(0, snap_create(*ictx2, "snap1")); | |
756 | ||
757 | bufferptr read_ptr(bl.length()); | |
758 | bufferlist read_bl; | |
759 | read_bl.push_back(read_ptr); | |
760 | ||
761 | ASSERT_EQ(static_cast<int>(m_image_size - 64), | |
762 | ictx2->io_work_queue->discard(32, m_image_size - 64, false)); | |
763 | ASSERT_EQ(0, librbd::snap_set(ictx2, | |
764 | cls::rbd::UserSnapshotNamespace(), | |
765 | "snap1")); | |
766 | ||
767 | { | |
768 | // hide the parent from the snapshot | |
769 | RWLock::WLocker snap_locker(ictx2->snap_lock); | |
770 | ictx2->snap_info.begin()->second.parent = librbd::ParentInfo(); | |
771 | } | |
772 | ||
773 | librbd::io::ReadResult read_result{&read_bl}; | |
774 | for (size_t i = 0; i < m_image_size; i += bl.length()) { | |
775 | ASSERT_EQ((ssize_t)bl.length(), | |
776 | ictx2->io_work_queue->read(i, bl.length(), | |
777 | librbd::io::ReadResult{read_result}, | |
778 | 0)); | |
779 | ASSERT_TRUE(bl.contents_equal(read_bl)); | |
780 | } | |
781 | } | |
782 | ||
783 | TEST_F(TestInternal, ShrinkFlushesCache) { | |
784 | librbd::ImageCtx *ictx; | |
785 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
786 | ||
787 | std::string buffer(4096, '1'); | |
788 | ||
789 | // ensure write-path is initialized | |
790 | bufferlist write_bl; | |
791 | write_bl.append(buffer); | |
792 | ictx->io_work_queue->write(0, buffer.size(), bufferlist{write_bl}, 0); | |
793 | ||
794 | C_SaferCond cond_ctx; | |
795 | auto c = librbd::io::AioCompletion::create(&cond_ctx); | |
796 | c->get(); | |
797 | ictx->io_work_queue->aio_write(c, 0, buffer.size(), bufferlist{write_bl}, 0); | |
798 | ||
799 | librbd::NoOpProgressContext no_op; | |
800 | ASSERT_EQ(0, ictx->operations->resize(m_image_size >> 1, true, no_op)); | |
801 | ||
802 | ASSERT_TRUE(c->is_complete()); | |
803 | ASSERT_EQ(0, c->wait_for_complete()); | |
804 | ASSERT_EQ(0, cond_ctx.wait()); | |
805 | c->put(); | |
806 | } | |
807 | ||
808 | TEST_F(TestInternal, ImageOptions) { | |
809 | rbd_image_options_t opts1 = NULL, opts2 = NULL; | |
810 | uint64_t uint64_val1 = 10, uint64_val2 = 0; | |
811 | std::string string_val1; | |
812 | ||
813 | librbd::image_options_create(&opts1); | |
814 | ASSERT_NE((rbd_image_options_t)NULL, opts1); | |
815 | ASSERT_TRUE(librbd::image_options_is_empty(opts1)); | |
816 | ||
817 | ASSERT_EQ(-EINVAL, librbd::image_options_get(opts1, RBD_IMAGE_OPTION_FEATURES, | |
818 | &string_val1)); | |
819 | ASSERT_EQ(-ENOENT, librbd::image_options_get(opts1, RBD_IMAGE_OPTION_FEATURES, | |
820 | &uint64_val1)); | |
821 | ||
822 | ASSERT_EQ(-EINVAL, librbd::image_options_set(opts1, RBD_IMAGE_OPTION_FEATURES, | |
823 | string_val1)); | |
824 | ||
825 | ASSERT_EQ(0, librbd::image_options_set(opts1, RBD_IMAGE_OPTION_FEATURES, | |
826 | uint64_val1)); | |
827 | ASSERT_FALSE(librbd::image_options_is_empty(opts1)); | |
828 | ASSERT_EQ(0, librbd::image_options_get(opts1, RBD_IMAGE_OPTION_FEATURES, | |
829 | &uint64_val2)); | |
830 | ASSERT_EQ(uint64_val1, uint64_val2); | |
831 | ||
832 | librbd::image_options_create_ref(&opts2, opts1); | |
833 | ASSERT_NE((rbd_image_options_t)NULL, opts2); | |
834 | ASSERT_FALSE(librbd::image_options_is_empty(opts2)); | |
835 | ||
836 | uint64_val2 = 0; | |
837 | ASSERT_NE(uint64_val1, uint64_val2); | |
838 | ASSERT_EQ(0, librbd::image_options_get(opts2, RBD_IMAGE_OPTION_FEATURES, | |
839 | &uint64_val2)); | |
840 | ASSERT_EQ(uint64_val1, uint64_val2); | |
841 | ||
842 | uint64_val2++; | |
843 | ASSERT_NE(uint64_val1, uint64_val2); | |
844 | ASSERT_EQ(-ENOENT, librbd::image_options_get(opts1, RBD_IMAGE_OPTION_ORDER, | |
845 | &uint64_val1)); | |
846 | ASSERT_EQ(-ENOENT, librbd::image_options_get(opts2, RBD_IMAGE_OPTION_ORDER, | |
847 | &uint64_val2)); | |
848 | ASSERT_EQ(0, librbd::image_options_set(opts2, RBD_IMAGE_OPTION_ORDER, | |
849 | uint64_val2)); | |
850 | ASSERT_EQ(0, librbd::image_options_get(opts1, RBD_IMAGE_OPTION_ORDER, | |
851 | &uint64_val1)); | |
852 | ASSERT_EQ(0, librbd::image_options_get(opts2, RBD_IMAGE_OPTION_ORDER, | |
853 | &uint64_val2)); | |
854 | ASSERT_EQ(uint64_val1, uint64_val2); | |
855 | ||
856 | librbd::image_options_destroy(opts1); | |
857 | ||
858 | uint64_val2++; | |
859 | ASSERT_NE(uint64_val1, uint64_val2); | |
860 | ASSERT_EQ(0, librbd::image_options_get(opts2, RBD_IMAGE_OPTION_ORDER, | |
861 | &uint64_val2)); | |
862 | ASSERT_EQ(uint64_val1, uint64_val2); | |
863 | ||
864 | ASSERT_EQ(0, librbd::image_options_unset(opts2, RBD_IMAGE_OPTION_ORDER)); | |
865 | ASSERT_EQ(-ENOENT, librbd::image_options_unset(opts2, RBD_IMAGE_OPTION_ORDER)); | |
866 | ||
867 | librbd::image_options_clear(opts2); | |
868 | ASSERT_EQ(-ENOENT, librbd::image_options_get(opts2, RBD_IMAGE_OPTION_FEATURES, | |
869 | &uint64_val2)); | |
870 | ASSERT_TRUE(librbd::image_options_is_empty(opts2)); | |
871 | ||
872 | librbd::image_options_destroy(opts2); | |
873 | } | |
874 | ||
875 | TEST_F(TestInternal, WriteFullCopyup) { | |
876 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
877 | ||
878 | librbd::ImageCtx *ictx; | |
879 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
880 | ||
881 | librbd::NoOpProgressContext no_op; | |
882 | ASSERT_EQ(0, ictx->operations->resize(1 << ictx->order, true, no_op)); | |
883 | ||
884 | bufferlist bl; | |
885 | bl.append(std::string(1 << ictx->order, '1')); | |
886 | ASSERT_EQ((ssize_t)bl.length(), | |
887 | ictx->io_work_queue->write(0, bl.length(), bufferlist{bl}, 0)); | |
888 | ASSERT_EQ(0, librbd::flush(ictx)); | |
889 | ||
890 | ASSERT_EQ(0, create_snapshot("snap1", true)); | |
891 | ||
892 | std::string clone_name = get_temp_image_name(); | |
893 | int order = ictx->order; | |
894 | ASSERT_EQ(0, librbd::clone(m_ioctx, m_image_name.c_str(), "snap1", m_ioctx, | |
895 | clone_name.c_str(), ictx->features, &order, 0, 0)); | |
896 | ||
897 | TestInternal *parent = this; | |
898 | librbd::ImageCtx *ictx2 = NULL; | |
899 | BOOST_SCOPE_EXIT( (&m_ioctx) (clone_name) (parent) (&ictx2) ) { | |
900 | if (ictx2 != NULL) { | |
901 | ictx2->operations->snap_remove(cls::rbd::UserSnapshotNamespace(), | |
902 | "snap1"); | |
903 | parent->close_image(ictx2); | |
904 | } | |
905 | ||
906 | librbd::NoOpProgressContext remove_no_op; | |
907 | ASSERT_EQ(0, librbd::remove(m_ioctx, clone_name, "", remove_no_op)); | |
908 | } BOOST_SCOPE_EXIT_END; | |
909 | ||
910 | ASSERT_EQ(0, open_image(clone_name, &ictx2)); | |
911 | ASSERT_EQ(0, ictx2->operations->snap_create(cls::rbd::UserSnapshotNamespace(), | |
912 | "snap1")); | |
913 | ||
914 | bufferlist write_full_bl; | |
915 | write_full_bl.append(std::string(1 << ictx2->order, '2')); | |
916 | ASSERT_EQ((ssize_t)write_full_bl.length(), | |
917 | ictx2->io_work_queue->write(0, write_full_bl.length(), | |
918 | bufferlist{write_full_bl}, 0)); | |
919 | ||
920 | ASSERT_EQ(0, ictx2->operations->flatten(no_op)); | |
921 | ||
922 | bufferptr read_ptr(bl.length()); | |
923 | bufferlist read_bl; | |
924 | read_bl.push_back(read_ptr); | |
925 | ||
926 | librbd::io::ReadResult read_result{&read_bl}; | |
927 | ASSERT_EQ((ssize_t)read_bl.length(), | |
928 | ictx2->io_work_queue->read(0, read_bl.length(), | |
929 | librbd::io::ReadResult{read_result}, 0)); | |
930 | ASSERT_TRUE(write_full_bl.contents_equal(read_bl)); | |
931 | ||
932 | ASSERT_EQ(0, librbd::snap_set(ictx2, | |
933 | cls::rbd::UserSnapshotNamespace(), | |
934 | "snap1")); | |
935 | ASSERT_EQ((ssize_t)read_bl.length(), | |
936 | ictx2->io_work_queue->read(0, read_bl.length(), | |
937 | librbd::io::ReadResult{read_result}, 0)); | |
938 | ASSERT_TRUE(bl.contents_equal(read_bl)); | |
939 | } | |
940 | ||
941 | TEST_F(TestInternal, RemoveById) { | |
942 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
943 | ||
944 | librbd::ImageCtx *ictx; | |
945 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
946 | ||
947 | std::string image_id = ictx->id; | |
948 | close_image(ictx); | |
949 | ||
950 | librbd::NoOpProgressContext remove_no_op; | |
951 | ASSERT_EQ(0, librbd::remove(m_ioctx, "", image_id, remove_no_op)); | |
952 | } | |
953 | ||
954 | static int iterate_cb(uint64_t off, size_t len, int exists, void *arg) | |
955 | { | |
956 | interval_set<uint64_t> *diff = static_cast<interval_set<uint64_t> *>(arg); | |
957 | diff->insert(off, len); | |
958 | return 0; | |
959 | } | |
960 | ||
961 | TEST_F(TestInternal, DiffIterateCloneOverwrite) { | |
962 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
963 | ||
964 | librbd::RBD rbd; | |
965 | librbd::Image image; | |
966 | uint64_t size = 20 << 20; | |
967 | int order = 0; | |
968 | ||
969 | ASSERT_EQ(0, rbd.open(m_ioctx, image, m_image_name.c_str(), NULL)); | |
970 | ||
971 | bufferlist bl; | |
972 | bl.append(std::string(4096, '1')); | |
973 | ASSERT_EQ(4096, image.write(0, 4096, bl)); | |
974 | ||
975 | interval_set<uint64_t> one; | |
976 | ASSERT_EQ(0, image.diff_iterate2(NULL, 0, size, false, false, iterate_cb, | |
977 | (void *)&one)); | |
978 | ASSERT_EQ(0, image.snap_create("one")); | |
979 | ASSERT_EQ(0, image.snap_protect("one")); | |
980 | ||
981 | std::string clone_name = this->get_temp_image_name(); | |
982 | ASSERT_EQ(0, rbd.clone(m_ioctx, m_image_name.c_str(), "one", m_ioctx, | |
983 | clone_name.c_str(), RBD_FEATURE_LAYERING, &order)); | |
984 | ||
985 | librbd::ImageCtx *ictx; | |
986 | ASSERT_EQ(0, open_image(clone_name, &ictx)); | |
987 | ASSERT_EQ(0, snap_create(*ictx, "one")); | |
988 | ASSERT_EQ(0, | |
989 | ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(), | |
990 | "one")); | |
991 | ||
992 | // Simulate a client that doesn't support deep flatten (old librbd / krbd) | |
993 | // which will copy up the full object from the parent | |
994 | std::string oid = ictx->object_prefix + ".0000000000000000"; | |
995 | librados::IoCtx io_ctx; | |
996 | io_ctx.dup(m_ioctx); | |
997 | io_ctx.selfmanaged_snap_set_write_ctx(ictx->snapc.seq, ictx->snaps); | |
998 | ASSERT_EQ(0, io_ctx.write(oid, bl, 4096, 4096)); | |
999 | ||
1000 | interval_set<uint64_t> diff; | |
1001 | ASSERT_EQ(0, librbd::snap_set(ictx, cls::rbd::UserSnapshotNamespace(), "one")); | |
1002 | ASSERT_EQ(0, librbd::api::DiffIterate<>::diff_iterate( | |
1003 | ictx, cls::rbd::UserSnapshotNamespace(), nullptr, 0, size, true, false, | |
1004 | iterate_cb, (void *)&diff)); | |
1005 | ASSERT_EQ(one, diff); | |
1006 | } | |
1007 | ||
1008 | TEST_F(TestInternal, TestCoR) | |
1009 | { | |
1010 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
1011 | ||
1012 | std::string config_value; | |
1013 | ASSERT_EQ(0, _rados.conf_get("rbd_clone_copy_on_read", config_value)); | |
1014 | if (config_value == "false") { | |
1015 | std::cout << "SKIPPING due to disabled rbd_copy_on_read" << std::endl; | |
1016 | return; | |
1017 | } | |
1018 | ||
1019 | m_image_name = get_temp_image_name(); | |
1020 | m_image_size = 4 << 20; | |
1021 | ||
1022 | int order = 12; // smallest object size is 4K | |
1023 | uint64_t features; | |
1024 | ASSERT_TRUE(get_features(&features)); | |
1025 | ||
1026 | ASSERT_EQ(0, create_image_full_pp(m_rbd, m_ioctx, m_image_name, m_image_size, | |
1027 | features, false, &order)); | |
1028 | ||
1029 | librbd::Image image; | |
1030 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, m_image_name.c_str(), NULL)); | |
1031 | ||
1032 | librbd::image_info_t info; | |
1033 | ASSERT_EQ(0, image.stat(info, sizeof(info))); | |
1034 | ||
1035 | const int object_num = info.size / info.obj_size; | |
1036 | printf("made parent image \"%s\": %ldK (%d * %" PRIu64 "K)\n", m_image_name.c_str(), | |
1037 | (unsigned long)m_image_size, object_num, info.obj_size/1024); | |
1038 | ||
1039 | // write something into parent | |
1040 | char test_data[TEST_IO_SIZE + 1]; | |
1041 | for (int i = 0; i < TEST_IO_SIZE; ++i) { | |
1042 | test_data[i] = (char) (rand() % (126 - 33) + 33); | |
1043 | } | |
1044 | test_data[TEST_IO_SIZE] = '\0'; | |
1045 | ||
1046 | // generate a random map which covers every objects with random | |
1047 | // offset | |
1048 | map<uint64_t, uint64_t> write_tracker; | |
1049 | generate_random_iomap(image, object_num, info.obj_size, 100, write_tracker); | |
1050 | ||
1051 | printf("generated random write map:\n"); | |
1052 | for (map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1053 | itr != write_tracker.end(); ++itr) | |
1054 | printf("\t [%-8ld, %-8ld]\n", | |
1055 | (unsigned long)itr->first, (unsigned long)itr->second); | |
1056 | ||
1057 | bufferlist bl; | |
1058 | bl.append(test_data, TEST_IO_SIZE); | |
1059 | ||
1060 | printf("write data based on random map\n"); | |
1061 | for (map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1062 | itr != write_tracker.end(); ++itr) { | |
1063 | printf("\twrite object-%-4ld\t\n", (unsigned long)itr->first); | |
1064 | ASSERT_EQ(TEST_IO_SIZE, image.write(itr->second, TEST_IO_SIZE, bl)); | |
1065 | } | |
1066 | ||
d2e6a577 FG |
1067 | ASSERT_EQ(0, image.flush()); |
1068 | ||
7c673cae FG |
1069 | bufferlist readbl; |
1070 | printf("verify written data by reading\n"); | |
1071 | { | |
1072 | map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1073 | printf("\tread object-%-4ld\n", (unsigned long)itr->first); | |
1074 | ASSERT_EQ(TEST_IO_SIZE, image.read(itr->second, TEST_IO_SIZE, readbl)); | |
1075 | ASSERT_TRUE(readbl.contents_equal(bl)); | |
1076 | } | |
1077 | ||
1078 | int64_t data_pool_id = image.get_data_pool_id(); | |
1079 | rados_ioctx_t d_ioctx; | |
d2e6a577 FG |
1080 | ASSERT_EQ(0, rados_wait_for_latest_osdmap(_cluster)); |
1081 | ASSERT_EQ(0, rados_ioctx_create2(_cluster, data_pool_id, &d_ioctx)); | |
1082 | ||
1083 | std::string block_name_prefix = image.get_block_name_prefix() + "."; | |
7c673cae FG |
1084 | |
1085 | const char *entry; | |
1086 | rados_list_ctx_t list_ctx; | |
1087 | set<string> obj_checker; | |
1088 | ASSERT_EQ(0, rados_nobjects_list_open(d_ioctx, &list_ctx)); | |
1089 | while (rados_nobjects_list_next(list_ctx, &entry, NULL, NULL) != -ENOENT) { | |
d2e6a577 FG |
1090 | if (boost::starts_with(entry, block_name_prefix)) { |
1091 | const char *block_name_suffix = entry + block_name_prefix.length(); | |
7c673cae FG |
1092 | obj_checker.insert(block_name_suffix); |
1093 | } | |
1094 | } | |
1095 | rados_nobjects_list_close(list_ctx); | |
1096 | ||
1097 | std::string snapname = "snap"; | |
1098 | std::string clonename = get_temp_image_name(); | |
1099 | ASSERT_EQ(0, image.snap_create(snapname.c_str())); | |
1100 | ASSERT_EQ(0, image.close()); | |
1101 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, m_image_name.c_str(), snapname.c_str())); | |
1102 | ASSERT_EQ(0, image.snap_protect(snapname.c_str())); | |
1103 | printf("made snapshot \"%s@parent_snap\" and protect it\n", m_image_name.c_str()); | |
1104 | ||
1105 | ASSERT_EQ(0, clone_image_pp(m_rbd, image, m_ioctx, m_image_name.c_str(), snapname.c_str(), | |
1106 | m_ioctx, clonename.c_str(), features)); | |
1107 | ASSERT_EQ(0, image.close()); | |
1108 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, clonename.c_str(), NULL)); | |
1109 | printf("made and opened clone \"%s\"\n", clonename.c_str()); | |
1110 | ||
1111 | printf("read from \"child\"\n"); | |
1112 | { | |
1113 | map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1114 | printf("\tread object-%-4ld\n", (unsigned long)itr->first); | |
1115 | ASSERT_EQ(TEST_IO_SIZE, image.read(itr->second, TEST_IO_SIZE, readbl)); | |
1116 | ASSERT_TRUE(readbl.contents_equal(bl)); | |
1117 | } | |
1118 | ||
1119 | for (map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1120 | itr != write_tracker.end(); ++itr) { | |
1121 | printf("\tread object-%-4ld\n", (unsigned long)itr->first); | |
1122 | ASSERT_EQ(TEST_IO_SIZE, image.read(itr->second, TEST_IO_SIZE, readbl)); | |
1123 | ASSERT_TRUE(readbl.contents_equal(bl)); | |
1124 | } | |
1125 | ||
1126 | printf("read again reversely\n"); | |
1127 | for (map<uint64_t, uint64_t>::iterator itr = --write_tracker.end(); | |
1128 | itr != write_tracker.begin(); --itr) { | |
1129 | printf("\tread object-%-4ld\n", (unsigned long)itr->first); | |
1130 | ASSERT_EQ(TEST_IO_SIZE, image.read(itr->second, TEST_IO_SIZE, readbl)); | |
1131 | ASSERT_TRUE(readbl.contents_equal(bl)); | |
1132 | } | |
1133 | ||
1134 | // close child to flush all copy-on-read | |
1135 | ASSERT_EQ(0, image.close()); | |
1136 | ||
1137 | printf("check whether child image has the same set of objects as parent\n"); | |
1138 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, clonename.c_str(), NULL)); | |
d2e6a577 | 1139 | block_name_prefix = image.get_block_name_prefix() + "."; |
7c673cae FG |
1140 | |
1141 | ASSERT_EQ(0, rados_nobjects_list_open(d_ioctx, &list_ctx)); | |
1142 | while (rados_nobjects_list_next(list_ctx, &entry, NULL, NULL) != -ENOENT) { | |
d2e6a577 FG |
1143 | if (boost::starts_with(entry, block_name_prefix)) { |
1144 | const char *block_name_suffix = entry + block_name_prefix.length(); | |
7c673cae FG |
1145 | set<string>::iterator it = obj_checker.find(block_name_suffix); |
1146 | ASSERT_TRUE(it != obj_checker.end()); | |
1147 | obj_checker.erase(it); | |
1148 | } | |
1149 | } | |
1150 | rados_nobjects_list_close(list_ctx); | |
1151 | ASSERT_TRUE(obj_checker.empty()); | |
1152 | ASSERT_EQ(0, image.close()); | |
1153 | ||
1154 | rados_ioctx_destroy(d_ioctx); | |
1155 | } | |
1156 | ||
1157 | TEST_F(TestInternal, FlattenNoEmptyObjects) | |
1158 | { | |
1159 | REQUIRE_FEATURE(RBD_FEATURE_LAYERING); | |
1160 | ||
1161 | m_image_name = get_temp_image_name(); | |
1162 | m_image_size = 4 << 20; | |
1163 | ||
1164 | int order = 12; // smallest object size is 4K | |
1165 | uint64_t features; | |
1166 | ASSERT_TRUE(get_features(&features)); | |
1167 | ||
1168 | ASSERT_EQ(0, create_image_full_pp(m_rbd, m_ioctx, m_image_name, m_image_size, | |
1169 | features, false, &order)); | |
1170 | ||
1171 | librbd::Image image; | |
1172 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, m_image_name.c_str(), NULL)); | |
1173 | ||
1174 | librbd::image_info_t info; | |
1175 | ASSERT_EQ(0, image.stat(info, sizeof(info))); | |
1176 | ||
1177 | const int object_num = info.size / info.obj_size; | |
1178 | printf("made parent image \"%s\": %" PRIu64 "K (%d * %" PRIu64 "K)\n", | |
1179 | m_image_name.c_str(), m_image_size, object_num, info.obj_size/1024); | |
1180 | ||
1181 | // write something into parent | |
1182 | char test_data[TEST_IO_SIZE + 1]; | |
1183 | for (int i = 0; i < TEST_IO_SIZE; ++i) { | |
1184 | test_data[i] = (char) (rand() % (126 - 33) + 33); | |
1185 | } | |
1186 | test_data[TEST_IO_SIZE] = '\0'; | |
1187 | ||
1188 | // generate a random map which covers every objects with random | |
1189 | // offset | |
1190 | map<uint64_t, uint64_t> write_tracker; | |
1191 | generate_random_iomap(image, object_num, info.obj_size, 100, write_tracker); | |
1192 | ||
1193 | printf("generated random write map:\n"); | |
1194 | for (map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1195 | itr != write_tracker.end(); ++itr) | |
1196 | printf("\t [%-8ld, %-8ld]\n", | |
1197 | (unsigned long)itr->first, (unsigned long)itr->second); | |
1198 | ||
1199 | bufferlist bl; | |
1200 | bl.append(test_data, TEST_IO_SIZE); | |
1201 | ||
1202 | printf("write data based on random map\n"); | |
1203 | for (map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1204 | itr != write_tracker.end(); ++itr) { | |
1205 | printf("\twrite object-%-4ld\t\n", (unsigned long)itr->first); | |
1206 | ASSERT_EQ(TEST_IO_SIZE, image.write(itr->second, TEST_IO_SIZE, bl)); | |
1207 | } | |
1208 | ||
d2e6a577 FG |
1209 | ASSERT_EQ(0, image.flush()); |
1210 | ||
7c673cae FG |
1211 | bufferlist readbl; |
1212 | printf("verify written data by reading\n"); | |
1213 | { | |
1214 | map<uint64_t, uint64_t>::iterator itr = write_tracker.begin(); | |
1215 | printf("\tread object-%-4ld\n", (unsigned long)itr->first); | |
1216 | ASSERT_EQ(TEST_IO_SIZE, image.read(itr->second, TEST_IO_SIZE, readbl)); | |
1217 | ASSERT_TRUE(readbl.contents_equal(bl)); | |
1218 | } | |
1219 | ||
1220 | int64_t data_pool_id = image.get_data_pool_id(); | |
1221 | rados_ioctx_t d_ioctx; | |
d2e6a577 FG |
1222 | ASSERT_EQ(0, rados_wait_for_latest_osdmap(_cluster)); |
1223 | ASSERT_EQ(0, rados_ioctx_create2(_cluster, data_pool_id, &d_ioctx)); | |
1224 | ||
1225 | std::string block_name_prefix = image.get_block_name_prefix() + "."; | |
7c673cae FG |
1226 | |
1227 | const char *entry; | |
1228 | rados_list_ctx_t list_ctx; | |
1229 | set<string> obj_checker; | |
1230 | ASSERT_EQ(0, rados_nobjects_list_open(d_ioctx, &list_ctx)); | |
1231 | while (rados_nobjects_list_next(list_ctx, &entry, NULL, NULL) != -ENOENT) { | |
d2e6a577 FG |
1232 | if (boost::starts_with(entry, block_name_prefix)) { |
1233 | const char *block_name_suffix = entry + block_name_prefix.length(); | |
7c673cae FG |
1234 | obj_checker.insert(block_name_suffix); |
1235 | } | |
1236 | } | |
1237 | rados_nobjects_list_close(list_ctx); | |
1238 | ||
1239 | std::string snapname = "snap"; | |
1240 | std::string clonename = get_temp_image_name(); | |
1241 | ASSERT_EQ(0, image.snap_create(snapname.c_str())); | |
1242 | ASSERT_EQ(0, image.close()); | |
1243 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, m_image_name.c_str(), snapname.c_str())); | |
1244 | ASSERT_EQ(0, image.snap_protect(snapname.c_str())); | |
1245 | printf("made snapshot \"%s@parent_snap\" and protect it\n", m_image_name.c_str()); | |
1246 | ||
1247 | ASSERT_EQ(0, clone_image_pp(m_rbd, image, m_ioctx, m_image_name.c_str(), snapname.c_str(), | |
1248 | m_ioctx, clonename.c_str(), features)); | |
1249 | ASSERT_EQ(0, image.close()); | |
1250 | ||
1251 | ASSERT_EQ(0, m_rbd.open(m_ioctx, image, clonename.c_str(), NULL)); | |
1252 | printf("made and opened clone \"%s\"\n", clonename.c_str()); | |
1253 | ||
1254 | printf("flattening clone: \"%s\"\n", clonename.c_str()); | |
1255 | ASSERT_EQ(0, image.flatten()); | |
1256 | ||
1257 | printf("check whether child image has the same set of objects as parent\n"); | |
d2e6a577 | 1258 | block_name_prefix = image.get_block_name_prefix() + "."; |
7c673cae FG |
1259 | |
1260 | ASSERT_EQ(0, rados_nobjects_list_open(d_ioctx, &list_ctx)); | |
1261 | while (rados_nobjects_list_next(list_ctx, &entry, NULL, NULL) != -ENOENT) { | |
d2e6a577 FG |
1262 | if (boost::starts_with(entry, block_name_prefix)) { |
1263 | const char *block_name_suffix = entry + block_name_prefix.length(); | |
7c673cae FG |
1264 | set<string>::iterator it = obj_checker.find(block_name_suffix); |
1265 | ASSERT_TRUE(it != obj_checker.end()); | |
1266 | obj_checker.erase(it); | |
1267 | } | |
1268 | } | |
1269 | rados_nobjects_list_close(list_ctx); | |
1270 | ASSERT_TRUE(obj_checker.empty()); | |
1271 | ASSERT_EQ(0, image.close()); | |
1272 | ||
1273 | rados_ioctx_destroy(d_ioctx); | |
1274 | } |