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-rw-r--r--src/test/rbd_mirror/image_replayer/journal/test_mock_PrepareReplayRequest.cc751
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diff --git a/src/test/rbd_mirror/image_replayer/journal/test_mock_PrepareReplayRequest.cc b/src/test/rbd_mirror/image_replayer/journal/test_mock_PrepareReplayRequest.cc
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+++ b/src/test/rbd_mirror/image_replayer/journal/test_mock_PrepareReplayRequest.cc
@@ -0,0 +1,751 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "test/rbd_mirror/test_mock_fixture.h"
+#include "librbd/journal/Types.h"
+#include "librbd/journal/TypeTraits.h"
+#include "tools/rbd_mirror/Threads.h"
+#include "tools/rbd_mirror/image_replayer/journal/PrepareReplayRequest.h"
+#include "tools/rbd_mirror/image_replayer/journal/StateBuilder.h"
+#include "test/journal/mock/MockJournaler.h"
+#include "test/librbd/mock/MockImageCtx.h"
+#include "test/librbd/mock/MockJournal.h"
+
+namespace librbd {
+
+namespace {
+
+struct MockTestImageCtx : public librbd::MockImageCtx {
+ MockTestImageCtx(librbd::ImageCtx &image_ctx)
+ : librbd::MockImageCtx(image_ctx) {
+ }
+};
+
+} // anonymous namespace
+
+namespace journal {
+
+template <>
+struct TypeTraits<librbd::MockTestImageCtx> {
+ typedef ::journal::MockJournaler Journaler;
+};
+
+} // namespace journal
+} // namespace rbd
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+namespace journal {
+
+template<>
+struct StateBuilder<librbd::MockTestImageCtx> {
+ StateBuilder(librbd::MockTestImageCtx& local_image_ctx,
+ ::journal::MockJournaler& remote_journaler,
+ const librbd::journal::MirrorPeerClientMeta& remote_client_meta)
+ : local_image_ctx(&local_image_ctx),
+ local_image_id(local_image_ctx.id),
+ remote_journaler(&remote_journaler),
+ remote_client_meta(remote_client_meta) {
+ }
+
+ librbd::MockTestImageCtx* local_image_ctx;
+ std::string local_image_id;
+
+ std::string remote_mirror_uuid = "remote mirror uuid";
+ ::journal::MockJournaler* remote_journaler = nullptr;
+ librbd::journal::MirrorPeerClientMeta remote_client_meta;
+};
+
+} // namespace journal
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+// template definitions
+#include "tools/rbd_mirror/image_replayer/journal/PrepareReplayRequest.cc"
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+namespace journal {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::InSequence;
+using ::testing::Invoke;
+using ::testing::Return;
+using ::testing::SetArgPointee;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+class TestMockImageReplayerJournalPrepareReplayRequest : public TestMockFixture {
+public:
+ typedef PrepareReplayRequest<librbd::MockTestImageCtx> MockPrepareReplayRequest;
+ typedef StateBuilder<librbd::MockTestImageCtx> MockStateBuilder;
+ typedef std::list<cls::journal::Tag> Tags;
+
+ void SetUp() override {
+ TestMockFixture::SetUp();
+
+ librbd::RBD rbd;
+ ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
+ ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
+ }
+
+ void expect_journaler_get_client(::journal::MockJournaler &mock_journaler,
+ const std::string &client_id,
+ cls::journal::Client &client, int r) {
+ EXPECT_CALL(mock_journaler, get_client(StrEq(client_id), _, _))
+ .WillOnce(DoAll(WithArg<1>(Invoke([client](cls::journal::Client *out_client) {
+ *out_client = client;
+ })),
+ WithArg<2>(Invoke([this, r](Context *on_finish) {
+ m_threads->work_queue->queue(on_finish, r);
+ }))));
+ }
+
+ void expect_journaler_update_client(::journal::MockJournaler &mock_journaler,
+ const librbd::journal::ClientData &client_data,
+ int r) {
+ bufferlist bl;
+ encode(client_data, bl);
+
+ EXPECT_CALL(mock_journaler, update_client(ContentsEqual(bl), _))
+ .WillOnce(WithArg<1>(Invoke([this, r](Context *on_finish) {
+ m_threads->work_queue->queue(on_finish, r);
+ })));
+ }
+
+ void expect_journaler_get_tags(::journal::MockJournaler &mock_journaler,
+ uint64_t tag_class, const Tags& tags,
+ int r) {
+ EXPECT_CALL(mock_journaler, get_tags(tag_class, _, _))
+ .WillOnce(DoAll(WithArg<1>(Invoke([tags](Tags *out_tags) {
+ *out_tags = tags;
+ })),
+ WithArg<2>(Invoke([this, r](Context *on_finish) {
+ m_threads->work_queue->queue(on_finish, r);
+ }))));
+ }
+
+ void expect_journal_get_tag_tid(librbd::MockJournal &mock_journal,
+ uint64_t tag_tid) {
+ EXPECT_CALL(mock_journal, get_tag_tid()).WillOnce(Return(tag_tid));
+ }
+
+ void expect_journal_get_tag_data(librbd::MockJournal &mock_journal,
+ const librbd::journal::TagData &tag_data) {
+ EXPECT_CALL(mock_journal, get_tag_data()).WillOnce(Return(tag_data));
+ }
+
+ void expect_is_resync_requested(librbd::MockJournal &mock_journal,
+ bool do_resync, int r) {
+ EXPECT_CALL(mock_journal, is_resync_requested(_))
+ .WillOnce(DoAll(SetArgPointee<0>(do_resync),
+ Return(r)));
+ }
+
+ bufferlist encode_tag_data(const librbd::journal::TagData &tag_data) {
+ bufferlist bl;
+ encode(tag_data, bl);
+ return bl;
+ }
+
+ MockPrepareReplayRequest* create_request(
+ MockStateBuilder& mock_state_builder,
+ const std::string& local_mirror_uuid,
+ bool* resync_requested, bool* syncing, Context* on_finish) {
+ return new MockPrepareReplayRequest(
+ local_mirror_uuid, nullptr, &mock_state_builder, resync_requested,
+ syncing, on_finish);
+ }
+
+ librbd::ImageCtx *m_local_image_ctx = nullptr;
+};
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, Success) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // single promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 344, 99})},
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, NoLocalJournal) {
+ InSequence seq;
+
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+
+ C_SaferCond ctx;
+ ::journal::MockJournaler mock_remote_journaler;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, ResyncRequested) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, true, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ C_SaferCond ctx;
+ ::journal::MockJournaler mock_remote_journaler;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_TRUE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, ResyncRequestedError) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, -EINVAL);
+
+ C_SaferCond ctx;
+ ::journal::MockJournaler mock_remote_journaler;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, Syncing) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ C_SaferCond ctx;
+ ::journal::MockJournaler mock_remote_journaler;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_TRUE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, GetRemoteTagClassError) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, -EINVAL);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, GetRemoteTagsError) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // single promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 344, 99})},
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, -EINVAL);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(-EINVAL, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, LocalDemotedRemoteSyncingState) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ "remote mirror uuid", true, 4, 1});
+
+ // update client state
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ librbd::journal::ClientData client_data;
+ client_data.client_meta = mirror_peer_client_meta;
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_update_client(mock_remote_journaler, client_data, 0);
+
+ // lookup remote image tag class
+ client_data = {librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // remote demotion / promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 1, 99})},
+ {3, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 2, 1})},
+ {4, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 3, 1})},
+ {5, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 4, 1})},
+ {6, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 5, 1})},
+ {7, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 6, 1})},
+ {8, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 7, 1})}
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, UpdateClientError) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // single promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 344, 99})},
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, RemoteDemotePromote) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // remote demotion / promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 1, 99})},
+ {3, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 2, 1})},
+ {4, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 2, 1})},
+ {5, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 4, 369})}
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, MultipleRemoteDemotePromotes) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ "remote mirror uuid", true, 4, 1});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // remote demotion / promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 1, 99})},
+ {3, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 2, 1})},
+ {4, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 3, 1})},
+ {5, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 4, 1})},
+ {6, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 5, 1})},
+ {7, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 6, 1})},
+ {8, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 7, 1})}
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, LocalDemoteRemotePromote) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 346);
+ expect_journal_get_tag_data(mock_journal,
+ {librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 345, 1});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // remote demotion / promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({"local mirror uuid", "local mirror uuid",
+ true, 344, 99})},
+ {3, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ "local mirror uuid", true, 345, 1})},
+ {4, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 3, 1})}
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_FALSE(resync_requested);
+ ASSERT_FALSE(syncing);
+}
+
+TEST_F(TestMockImageReplayerJournalPrepareReplayRequest, SplitBrainForcePromote) {
+ InSequence seq;
+
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ // check initial state
+ expect_is_resync_requested(mock_journal, false, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ true, 344, 0});
+
+ // lookup remote image tag class
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ cls::journal::Client client;
+ encode(client_data, client.data);
+ ::journal::MockJournaler mock_remote_journaler;
+ expect_journaler_get_client(mock_remote_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // remote demotion / promotion event
+ Tags tags = {
+ {2, 123, encode_tag_data({librbd::Journal<>::LOCAL_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 1, 99})},
+ {3, 123, encode_tag_data({librbd::Journal<>::ORPHAN_MIRROR_UUID,
+ librbd::Journal<>::LOCAL_MIRROR_UUID,
+ true, 2, 1})}
+ };
+ expect_journaler_get_tags(mock_remote_journaler, 123, tags, 0);
+
+ C_SaferCond ctx;
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ mirror_peer_client_meta.image_id = mock_local_image_ctx.id;
+ MockStateBuilder mock_state_builder(mock_local_image_ctx,
+ mock_remote_journaler,
+ mirror_peer_client_meta);
+ bool resync_requested;
+ bool syncing;
+ auto request = create_request(mock_state_builder, "local mirror uuid",
+ &resync_requested, &syncing, &ctx);
+ request->send();
+ ASSERT_EQ(-EEXIST, ctx.wait());
+}
+
+} // namespace journal
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
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