summaryrefslogtreecommitdiffstats
path: root/src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc
diff options
context:
space:
mode:
Diffstat (limited to 'src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc')
-rw-r--r--src/test/librbd/object_map/test_mock_SnapshotRemoveRequest.cc345
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
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-11 15:05:04 +0000