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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc')
-rw-r--r-- | src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc | 345 |
1 files changed, 345 insertions, 0 deletions
diff --git a/src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc b/src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc new file mode 100644 index 000000000..20318743d --- /dev/null +++ b/src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc @@ -0,0 +1,345 @@ +// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- +// vim: ts=8 sw=2 smarttab + +#include "test/librbd/test_mock_fixture.h" +#include "test/librbd/test_support.h" +#include "test/librados_test_stub/MockTestMemIoCtxImpl.h" +#include "common/bit_vector.hpp" +#include "librbd/ImageState.h" +#include "librbd/internal.h" +#include "librbd/ObjectMap.h" +#include "librbd/object_map/SnapshotRemoveRequest.h" +#include "gmock/gmock.h" +#include "gtest/gtest.h" + +namespace librbd { +namespace object_map { + +using ::testing::_; +using ::testing::DoDefault; +using ::testing::Return; +using ::testing::StrEq; + +class TestMockObjectMapSnapshotRemoveRequest : public TestMockFixture { +public: + void expect_load_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { + std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); + if (r < 0) { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, + _, _, _)) + .WillOnce(Return(r)); + } else { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(snap_oid, _, StrEq("rbd"), StrEq("object_map_load"), _, + _, _, _)) + .WillOnce(DoDefault()); + } + } + + void expect_remove_snapshot(librbd::ImageCtx *ictx, int r) { + std::string oid(ObjectMap<>::object_map_name(ictx->id, CEPH_NOSNAP)); + if (r < 0) { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, + _)) + .WillOnce(Return(r)); + } else { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(oid, _, StrEq("lock"), StrEq("assert_locked"), _, _, _, + _)) + .WillOnce(DoDefault()); + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(oid, _, StrEq("rbd"), StrEq("object_map_snap_remove"), _, + _, _, _)) + .WillOnce(DoDefault()); + } + } + + void expect_remove_map(librbd::ImageCtx *ictx, uint64_t snap_id, int r) { + std::string snap_oid(ObjectMap<>::object_map_name(ictx->id, snap_id)); + if (r < 0) { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) + .WillOnce(Return(r)); + } else { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), remove(snap_oid, _)) + .WillOnce(DoDefault()); + } + } + + void expect_invalidate(librbd::ImageCtx *ictx) { + EXPECT_CALL(get_mock_io_ctx(ictx->md_ctx), + exec(ictx->header_oid, _, StrEq("rbd"), StrEq("set_flags"), _, + _, _, _)) + .WillOnce(DoDefault()); + } +}; + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, Success) { + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { + expect_load_map(ictx, snap_id, 0); + expect_remove_snapshot(ictx, 0); + } + expect_remove_map(ictx, snap_id, 0); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapMissing) { + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + auto snap_it = ictx->snap_info.find(snap_id); + ASSERT_NE(ictx->snap_info.end(), snap_it); + snap_it->second.flags |= RBD_FLAG_OBJECT_MAP_INVALID; + + expect_load_map(ictx, snap_id, -ENOENT); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + { + // shouldn't invalidate the HEAD revision when we fail to load + // the already deleted snapshot + std::shared_lock image_locker{ictx->image_lock}; + uint64_t flags; + ASSERT_EQ(0, ictx->get_flags(CEPH_NOSNAP, &flags)); + ASSERT_EQ(0U, flags & RBD_FLAG_OBJECT_MAP_INVALID); + } + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, LoadMapError) { + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + expect_load_map(ictx, snap_id, -EINVAL); + expect_invalidate(ictx); + expect_remove_map(ictx, snap_id, 0); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotMissing) { + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + expect_load_map(ictx, snap_id, 0); + expect_remove_snapshot(ictx, -ENOENT); + expect_remove_map(ictx, snap_id, 0); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveSnapshotError) { + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + expect_load_map(ictx, snap_id, 0); + expect_remove_snapshot(ictx, -EINVAL); + expect_invalidate(ictx); + expect_remove_map(ictx, snap_id, 0); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapMissing) { + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { + expect_load_map(ictx, snap_id, 0); + expect_remove_snapshot(ictx, 0); + } + expect_remove_map(ictx, snap_id, -ENOENT); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, RemoveMapError) { + REQUIRE_FEATURE(RBD_FEATURE_OBJECT_MAP); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + uint64_t snap_id = ictx->snap_info.rbegin()->first; + if (ictx->test_features(RBD_FEATURE_FAST_DIFF)) { + expect_load_map(ictx, snap_id, 0); + expect_remove_snapshot(ictx, 0); + } + expect_remove_map(ictx, snap_id, -EINVAL); + + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + C_SaferCond cond_ctx; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(-EINVAL, cond_ctx.wait()); + + expect_unlock_exclusive_lock(*ictx); +} + +TEST_F(TestMockObjectMapSnapshotRemoveRequest, ScrubCleanObjects) { + REQUIRE_FEATURE(RBD_FEATURE_FAST_DIFF); + + librbd::ImageCtx *ictx; + ASSERT_EQ(0, open_image(m_image_name, &ictx)); + librbd::NoOpProgressContext prog_ctx; + uint64_t size = 4294967296; // 4GB = 1024 * 4MB + ASSERT_EQ(0, resize(ictx, size)); + + // update image objectmap for snap inherit + ceph::shared_mutex object_map_lock = ceph::make_shared_mutex("lock"); + ceph::BitVector<2> object_map; + object_map.resize(1024); + for (uint64_t i = 512; i < object_map.size(); ++i) { + object_map[i] = i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT; + } + + C_SaferCond cond_ctx1; + { + librbd::ObjectMap<> *om = new librbd::ObjectMap<>(*ictx, ictx->snap_id); + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + om->set_object_map(object_map); + om->aio_save(&cond_ctx1); + om->put(); + } + ASSERT_EQ(0, cond_ctx1.wait()); + ASSERT_EQ(0, snap_create(*ictx, "snap1")); + ASSERT_EQ(0, ictx->state->refresh_if_required()); + + // simutate the image objectmap state after creating snap + for (uint64_t i = 512; i < object_map.size(); ++i) { + object_map[i] = i % 2 == 0 ? OBJECT_EXISTS_CLEAN : OBJECT_NONEXISTENT; + } + + C_SaferCond cond_ctx2; + uint64_t snap_id = ictx->snap_info.rbegin()->first; + AsyncRequest<> *request = new SnapshotRemoveRequest( + *ictx, &object_map_lock, &object_map, snap_id, &cond_ctx2); + { + std::shared_lock owner_locker{ictx->owner_lock}; + std::unique_lock image_locker{ictx->image_lock}; + request->send(); + } + ASSERT_EQ(0, cond_ctx2.wait()); + + for (uint64_t i = 512; i < object_map.size(); ++i) { + ASSERT_EQ(i % 2 == 0 ? OBJECT_EXISTS : OBJECT_NONEXISTENT, + object_map[i]); + } +} + +} // namespace object_map +} // namespace librbd |