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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | ||
4 | #include "test/librbd/test_mock_fixture.h" | |
5 | #include "test/librbd/test_support.h" | |
6 | #include "test/librados_test_stub/MockTestMemIoCtxImpl.h" | |
7 | #include "common/bit_vector.hpp" | |
8 | #include "librbd/ImageState.h" | |
9 | #include "librbd/internal.h" | |
10 | #include "librbd/ObjectMap.h" | |
11 | #include "librbd/object_map/SnapshotRemoveRequest.h" | |
12 | #include "gmock/gmock.h" | |
13 | #include "gtest/gtest.h" | |
14 | ||
15 | namespace librbd { | |
16 | namespace object_map { | |
17 | ||
18 | using ::testing::_; | |
19 | using ::testing::DoDefault; | |
20 | using ::testing::Return; | |
21 | using ::testing::StrEq; | |
22 | ||
23 | class TestMockObjectMapSnapshotRemoveRequest : public TestMockFixture { | |
24 | public: | |
25 | void expect_load_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { | |
26 | std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); | |
27 | if (r < 0) { | |
28 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
29 | exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, |
30 | _, _, _)) | |
7c673cae FG |
31 | .WillOnce(Return(r)); |
32 | } else { | |
33 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
34 | exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, |
35 | _, _, _)) | |
7c673cae FG |
36 | .WillOnce(DoDefault()); |
37 | } | |
38 | } | |
39 | ||
40 | void expect_remove_snapshot(librbd::ImageCtx *ictx, int r) { | |
41 | std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP)); | |
42 | if (r < 0) { | |
43 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
44 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, |
45 | _)) | |
7c673cae FG |
46 | .WillOnce(Return(r)); |
47 | } else { | |
48 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
49 | exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, |
50 | _)) | |
7c673cae FG |
51 | .WillOnce(DoDefault()); |
52 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
53 | exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_remove"), _, |
54 | _, _, _)) | |
7c673cae FG |
55 | .WillOnce(DoDefault()); |
56 | } | |
57 | } | |
58 | ||
59 | void expect_remove_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { | |
60 | std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); | |
61 | if (r < 0) { | |
62 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) | |
63 | .WillOnce(Return(r)); | |
64 | } else { | |
65 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) | |
66 | .WillOnce(DoDefault()); | |
67 | } | |
68 | } | |
69 | ||
70 | void expect_invalidate(librbd::ImageCtx *ictx) { | |
71 | EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), | |
f67539c2 TL |
72 | exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, |
73 | _, _, _)) | |
7c673cae FG |
74 | .WillOnce(DoDefault()); |
75 | } | |
76 | }; | |
77 | ||
78 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, Success) { | |
79 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
80 | ||
81 | librbd::ImageCtx *ictx; | |
82 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
83 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
84 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
85 | ||
86 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
87 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
88 | expect_load_map(ictx, snap_id, 0); | |
89 | expect_remove_snapshot(ictx, 0); | |
90 | } | |
91 | expect_remove_map(ictx, snap_id, 0); | |
92 | ||
9f95a23c | 93 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
94 | ceph::BitVector<2> object_map; |
95 | C_SaferCond cond_ctx; | |
96 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 97 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 98 | { |
9f95a23c TL |
99 | std::shared_lock owner_locker{ictx->owner_lock}; |
100 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
101 | request->send(); |
102 | } | |
103 | ASSERT_EQ(0, cond_ctx.wait()); | |
104 | ||
105 | expect_unlock_exclusive_lock(*ictx); | |
106 | } | |
107 | ||
108 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) { | |
109 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
110 | ||
111 | librbd::ImageCtx *ictx; | |
112 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
113 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
114 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
115 | ||
116 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
91327a77 AA |
117 | auto snap_it = ictx->snap_info.find(snap_id); |
118 | ASSERT_NE(ictx->snap_info.end(), snap_it); | |
119 | snap_it->second.flags |= RBD_FLAG_OBJECT_MAP_INVALID; | |
120 | ||
7c673cae FG |
121 | expect_load_map(ictx, snap_id, -ENOENT); |
122 | ||
9f95a23c | 123 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
124 | ceph::BitVector<2> object_map; |
125 | C_SaferCond cond_ctx; | |
126 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 127 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 128 | { |
9f95a23c TL |
129 | std::shared_lock owner_locker{ictx->owner_lock}; |
130 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
131 | request->send(); |
132 | } | |
133 | ASSERT_EQ(0, cond_ctx.wait()); | |
134 | ||
91327a77 AA |
135 | { |
136 | // shouldn't invalidate the HEAD revision when we fail to load | |
137 | // the already deleted snapshot | |
9f95a23c | 138 | std::shared_lock image_locker{ictx->image_lock}; |
91327a77 AA |
139 | uint64_t flags; |
140 | ASSERT_EQ(0, ictx->get_flags(CEPH_NOSNAP, &flags)); | |
141 | ASSERT_EQ(0U, flags & RBD_FLAG_OBJECT_MAP_INVALID); | |
142 | } | |
143 | ||
7c673cae FG |
144 | expect_unlock_exclusive_lock(*ictx); |
145 | } | |
146 | ||
147 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) { | |
148 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
149 | ||
150 | librbd::ImageCtx *ictx; | |
151 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
152 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
153 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
154 | ||
155 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
156 | expect_load_map(ictx, snap_id, -EINVAL); | |
157 | expect_invalidate(ictx); | |
158 | expect_remove_map(ictx, snap_id, 0); | |
159 | ||
9f95a23c | 160 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
161 | ceph::BitVector<2> object_map; |
162 | C_SaferCond cond_ctx; | |
163 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 164 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 165 | { |
9f95a23c TL |
166 | std::shared_lock owner_locker{ictx->owner_lock}; |
167 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
168 | request->send(); |
169 | } | |
170 | ASSERT_EQ(0, cond_ctx.wait()); | |
171 | ||
172 | expect_unlock_exclusive_lock(*ictx); | |
173 | } | |
174 | ||
175 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) { | |
176 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
177 | ||
178 | librbd::ImageCtx *ictx; | |
179 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
180 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
181 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
182 | ||
183 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
184 | expect_load_map(ictx, snap_id, 0); | |
185 | expect_remove_snapshot(ictx, -ENOENT); | |
186 | expect_remove_map(ictx, snap_id, 0); | |
187 | ||
9f95a23c | 188 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
189 | ceph::BitVector<2> object_map; |
190 | C_SaferCond cond_ctx; | |
191 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 192 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 193 | { |
9f95a23c TL |
194 | std::shared_lock owner_locker{ictx->owner_lock}; |
195 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
196 | request->send(); |
197 | } | |
198 | ASSERT_EQ(0, cond_ctx.wait()); | |
199 | ||
200 | expect_unlock_exclusive_lock(*ictx); | |
201 | } | |
202 | ||
203 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) { | |
204 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
205 | ||
206 | librbd::ImageCtx *ictx; | |
207 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
208 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
209 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
210 | ||
211 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
212 | expect_load_map(ictx, snap_id, 0); | |
213 | expect_remove_snapshot(ictx, -EINVAL); | |
214 | expect_invalidate(ictx); | |
215 | expect_remove_map(ictx, snap_id, 0); | |
216 | ||
9f95a23c | 217 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
218 | ceph::BitVector<2> object_map; |
219 | C_SaferCond cond_ctx; | |
220 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 221 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 222 | { |
9f95a23c TL |
223 | std::shared_lock owner_locker{ictx->owner_lock}; |
224 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
225 | request->send(); |
226 | } | |
227 | ASSERT_EQ(0, cond_ctx.wait()); | |
228 | ||
229 | expect_unlock_exclusive_lock(*ictx); | |
230 | } | |
231 | ||
232 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) { | |
233 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
234 | ||
235 | librbd::ImageCtx *ictx; | |
236 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
237 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
238 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
239 | ||
240 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
241 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
242 | expect_load_map(ictx, snap_id, 0); | |
243 | expect_remove_snapshot(ictx, 0); | |
244 | } | |
245 | expect_remove_map(ictx, snap_id, -ENOENT); | |
246 | ||
9f95a23c | 247 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
248 | ceph::BitVector<2> object_map; |
249 | C_SaferCond cond_ctx; | |
250 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 251 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 252 | { |
9f95a23c TL |
253 | std::shared_lock owner_locker{ictx->owner_lock}; |
254 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
255 | request->send(); |
256 | } | |
257 | ASSERT_EQ(0, cond_ctx.wait()); | |
258 | ||
259 | expect_unlock_exclusive_lock(*ictx); | |
260 | } | |
261 | ||
262 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) { | |
263 | REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); | |
264 | ||
265 | librbd::ImageCtx *ictx; | |
266 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
267 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); | |
268 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
269 | ||
270 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
271 | if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { | |
272 | expect_load_map(ictx, snap_id, 0); | |
273 | expect_remove_snapshot(ictx, 0); | |
274 | } | |
275 | expect_remove_map(ictx, snap_id, -EINVAL); | |
276 | ||
9f95a23c | 277 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); |
7c673cae FG |
278 | ceph::BitVector<2> object_map; |
279 | C_SaferCond cond_ctx; | |
280 | AsyncRequest<> *request = new SnapshotRemoveRequest( | |
9f95a23c | 281 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); |
7c673cae | 282 | { |
9f95a23c TL |
283 | std::shared_lock owner_locker{ictx->owner_lock}; |
284 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
285 | request->send(); |
286 | } | |
287 | ASSERT_EQ(-EINVAL, cond_ctx.wait()); | |
288 | ||
289 | expect_unlock_exclusive_lock(*ictx); | |
290 | } | |
291 | ||
292 | TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) { | |
293 | REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); | |
294 | ||
295 | librbd::ImageCtx *ictx; | |
296 | ASSERT_EQ(0, open_image(m_image_name, &ictx)); | |
b32b8144 FG |
297 | librbd::NoOpProgressContext prog_ctx; |
298 | uint64_t size = 4294967296; // 4GB = 1024 * 4MB | |
299 | ASSERT_EQ(0, resize(ictx, size)); | |
9f95a23c TL |
300 | |
301 | // update image objectmap for snap inherit | |
302 | ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); | |
b32b8144 FG |
303 | ceph::BitVector<2> object_map; |
304 | object_map.resize(1024); | |
305 | for (uint64_t i = 512; i < object_map.size(); ++i) { | |
306 | object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT; | |
307 | } | |
9f95a23c | 308 | |
b32b8144 FG |
309 | C_SaferCond cond_ctx1; |
310 | { | |
9f95a23c TL |
311 | librbd::ObjectMap<> *om = new librbd::ObjectMap<>(*ictx, ictx->snap_id); |
312 | std::shared_lock owner_locker{ictx->owner_lock}; | |
313 | std::unique_lock image_locker{ictx->image_lock}; | |
314 | om->set_object_map(object_map); | |
315 | om->aio_save(&cond_ctx1); | |
316 | om->put(); | |
b32b8144 FG |
317 | } |
318 | ASSERT_EQ(0, cond_ctx1.wait()); | |
7c673cae FG |
319 | ASSERT_EQ(0, snap_create(*ictx, "snap1")); |
320 | ASSERT_EQ(0, ictx->state->refresh_if_required()); | |
321 | ||
b32b8144 | 322 | // simutate the image objectmap state after creating snap |
7c673cae FG |
323 | for (uint64_t i = 512; i < object_map.size(); ++i) { |
324 | object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT; | |
325 | } | |
326 | ||
b32b8144 FG |
327 | C_SaferCond cond_ctx2; |
328 | uint64_t snap_id = ictx->snap_info.rbegin()->first; | |
7c673cae | 329 | AsyncRequest<> *request = new SnapshotRemoveRequest( |
9f95a23c | 330 | *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx2); |
7c673cae | 331 | { |
9f95a23c TL |
332 | std::shared_lock owner_locker{ictx->owner_lock}; |
333 | std::unique_lock image_locker{ictx->image_lock}; | |
7c673cae FG |
334 | request->send(); |
335 | } | |
b32b8144 | 336 | ASSERT_EQ(0, cond_ctx2.wait()); |
7c673cae FG |
337 | |
338 | for (uint64_t i = 512; i < object_map.size(); ++i) { | |
339 | ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT, | |
340 | object_map[i]); | |
341 | } | |
342 | } | |
343 | ||
344 | } // namespace object_map | |
345 | } // namespace librbd |