--- /dev/null
+// -*- 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/TypeTraits.h"
+#include "tools/rbd_mirror/InstanceWatcher.h"
+#include "tools/rbd_mirror/Threads.h"
+#include "tools/rbd_mirror/image_replayer/BootstrapRequest.h"
+#include "tools/rbd_mirror/image_replayer/CloseImageRequest.h"
+#include "tools/rbd_mirror/image_replayer/CreateImageRequest.h"
+#include "tools/rbd_mirror/image_replayer/IsPrimaryRequest.h"
+#include "tools/rbd_mirror/image_replayer/OpenImageRequest.h"
+#include "tools/rbd_mirror/image_replayer/OpenLocalImageRequest.h"
+#include "test/journal/mock/MockJournaler.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.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 util {
+
+static std::string s_image_id;
+
+template <>
+std::string generate_image_id<MockTestImageCtx>(librados::IoCtx&) {
+ assert(!s_image_id.empty());
+ return s_image_id;
+}
+
+} // namespace util
+} // namespace librbd
+
+namespace rbd {
+namespace mirror {
+
+class ProgressContext;
+
+template<>
+struct ImageSync<librbd::MockTestImageCtx> {
+ static ImageSync* s_instance;
+ Context *on_finish = nullptr;
+
+ static ImageSync* create(
+ librbd::MockTestImageCtx *local_image_ctx,
+ librbd::MockTestImageCtx *remote_image_ctx,
+ SafeTimer *timer, Mutex *timer_lock, const std::string &mirror_uuid,
+ ::journal::MockJournaler *journaler,
+ librbd::journal::MirrorPeerClientMeta *client_meta, ContextWQ *work_queue,
+ InstanceWatcher<librbd::MockTestImageCtx> *instance_watcher,
+ Context *on_finish, ProgressContext *progress_ctx) {
+ assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ return s_instance;
+ }
+
+ ImageSync() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~ImageSync() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD0(get, void());
+ MOCK_METHOD0(put, void());
+ MOCK_METHOD0(send, void());
+ MOCK_METHOD0(cancel, void());
+};
+
+ImageSync<librbd::MockTestImageCtx>*
+ ImageSync<librbd::MockTestImageCtx>::s_instance = nullptr;
+
+template<>
+struct InstanceWatcher<librbd::MockTestImageCtx> {
+};
+
+namespace image_replayer {
+
+template<>
+struct CloseImageRequest<librbd::MockTestImageCtx> {
+ static CloseImageRequest* s_instance;
+ librbd::MockTestImageCtx **image_ctx = nullptr;
+ Context *on_finish = nullptr;
+
+ static CloseImageRequest* create(librbd::MockTestImageCtx **image_ctx,
+ Context *on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->image_ctx = image_ctx;
+ s_instance->on_finish = on_finish;
+ s_instance->construct(*image_ctx);
+ return s_instance;
+ }
+
+ CloseImageRequest() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~CloseImageRequest() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD1(construct, void(librbd::MockTestImageCtx *image_ctx));
+ MOCK_METHOD0(send, void());
+};
+
+template<>
+struct CreateImageRequest<librbd::MockTestImageCtx> {
+ static CreateImageRequest* s_instance;
+ Context *on_finish = nullptr;
+
+ static CreateImageRequest* create(librados::IoCtx &local_io_ctx,
+ ContextWQ *work_queue,
+ const std::string &global_image_id,
+ const std::string &remote_mirror_uuid,
+ const std::string &local_image_name,
+ const std::string &local_image_id,
+ librbd::MockTestImageCtx *remote_image_ctx,
+ Context *on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->on_finish = on_finish;
+ s_instance->construct(local_image_id);
+ return s_instance;
+ }
+
+ CreateImageRequest() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~CreateImageRequest() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD1(construct, void(const std::string&));
+ MOCK_METHOD0(send, void());
+};
+
+template<>
+struct IsPrimaryRequest<librbd::MockTestImageCtx> {
+ static IsPrimaryRequest* s_instance;
+ bool *primary = nullptr;
+ Context *on_finish = nullptr;
+
+ static IsPrimaryRequest* create(librbd::MockTestImageCtx *image_ctx,
+ bool *primary, Context *on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->primary = primary;
+ s_instance->on_finish = on_finish;
+ return s_instance;
+ }
+
+ IsPrimaryRequest() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~IsPrimaryRequest() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD0(send, void());
+};
+
+template<>
+struct OpenImageRequest<librbd::MockTestImageCtx> {
+ static OpenImageRequest* s_instance;
+ librbd::MockTestImageCtx **image_ctx = nullptr;
+ Context *on_finish = nullptr;
+
+ static OpenImageRequest* create(librados::IoCtx &io_ctx,
+ librbd::MockTestImageCtx **image_ctx,
+ const std::string &image_id,
+ bool read_only, Context *on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->image_ctx = image_ctx;
+ s_instance->on_finish = on_finish;
+ s_instance->construct(io_ctx, image_id);
+ return s_instance;
+ }
+
+ OpenImageRequest() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~OpenImageRequest() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD2(construct, void(librados::IoCtx &io_ctx,
+ const std::string &image_id));
+ MOCK_METHOD0(send, void());
+};
+
+template<>
+struct OpenLocalImageRequest<librbd::MockTestImageCtx> {
+ static OpenLocalImageRequest* s_instance;
+ librbd::MockTestImageCtx **image_ctx = nullptr;
+ Context *on_finish = nullptr;
+
+ static OpenLocalImageRequest* create(librados::IoCtx &local_io_ctx,
+ librbd::MockTestImageCtx **local_image_ctx,
+ const std::string &local_image_id,
+ ContextWQ *work_queue,
+ Context *on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->image_ctx = local_image_ctx;
+ s_instance->on_finish = on_finish;
+ s_instance->construct(local_io_ctx, local_image_id);
+ return s_instance;
+ }
+
+ OpenLocalImageRequest() {
+ assert(s_instance == nullptr);
+ s_instance = this;
+ }
+ ~OpenLocalImageRequest() {
+ s_instance = nullptr;
+ }
+
+ MOCK_METHOD2(construct, void(librados::IoCtx &io_ctx,
+ const std::string &image_id));
+ MOCK_METHOD0(send, void());
+};
+
+CloseImageRequest<librbd::MockTestImageCtx>*
+ CloseImageRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+CreateImageRequest<librbd::MockTestImageCtx>*
+ CreateImageRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+IsPrimaryRequest<librbd::MockTestImageCtx>*
+ IsPrimaryRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+OpenImageRequest<librbd::MockTestImageCtx>*
+ OpenImageRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+OpenLocalImageRequest<librbd::MockTestImageCtx>*
+ OpenLocalImageRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+// template definitions
+#include "tools/rbd_mirror/image_replayer/BootstrapRequest.cc"
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::InSequence;
+using ::testing::Invoke;
+using ::testing::Return;
+using ::testing::SetArgPointee;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+MATCHER_P(IsSameIoCtx, io_ctx, "") {
+ return &get_mock_io_ctx(arg) == &get_mock_io_ctx(*io_ctx);
+}
+
+class TestMockImageReplayerBootstrapRequest : public TestMockFixture {
+public:
+ typedef BootstrapRequest<librbd::MockTestImageCtx> MockBootstrapRequest;
+ typedef CloseImageRequest<librbd::MockTestImageCtx> MockCloseImageRequest;
+ typedef CreateImageRequest<librbd::MockTestImageCtx> MockCreateImageRequest;
+ typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
+ typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
+ typedef IsPrimaryRequest<librbd::MockTestImageCtx> MockIsPrimaryRequest;
+ typedef OpenImageRequest<librbd::MockTestImageCtx> MockOpenImageRequest;
+ typedef OpenLocalImageRequest<librbd::MockTestImageCtx> MockOpenLocalImageRequest;
+ typedef std::list<cls::journal::Tag> Tags;
+
+ void SetUp() override {
+ TestMockFixture::SetUp();
+
+ librbd::RBD rbd;
+ ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
+ ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));
+ }
+
+ void create_local_image() {
+ 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_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_journaler_register_client(::journal::MockJournaler &mock_journaler,
+ const librbd::journal::ClientData &client_data,
+ int r) {
+ bufferlist bl;
+ ::encode(client_data, bl);
+
+ EXPECT_CALL(mock_journaler, register_client(ContentsEqual(bl), _))
+ .WillOnce(WithArg<1>(Invoke([this, r](Context *on_finish) {
+ m_threads->work_queue->queue(on_finish, r);
+ })));
+ }
+
+ void expect_journaler_unregister_client(::journal::MockJournaler &mock_journaler,
+ int r) {
+ EXPECT_CALL(mock_journaler, unregister_client(_))
+ .WillOnce(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_open_image(MockOpenImageRequest &mock_open_image_request,
+ librados::IoCtx &io_ctx, const std::string &image_id,
+ librbd::MockTestImageCtx &mock_image_ctx, int r) {
+ EXPECT_CALL(mock_open_image_request, construct(IsSameIoCtx(&io_ctx), image_id));
+ EXPECT_CALL(mock_open_image_request, send())
+ .WillOnce(Invoke([this, &mock_open_image_request, &mock_image_ctx, r]() {
+ *mock_open_image_request.image_ctx = &mock_image_ctx;
+ m_threads->work_queue->queue(mock_open_image_request.on_finish, r);
+ }));
+ }
+
+ void expect_open_local_image(MockOpenLocalImageRequest &mock_open_local_image_request,
+ librados::IoCtx &io_ctx, const std::string &image_id,
+ librbd::MockTestImageCtx *mock_image_ctx, int r) {
+ EXPECT_CALL(mock_open_local_image_request,
+ construct(IsSameIoCtx(&io_ctx), image_id));
+ EXPECT_CALL(mock_open_local_image_request, send())
+ .WillOnce(Invoke([this, &mock_open_local_image_request, mock_image_ctx, r]() {
+ *mock_open_local_image_request.image_ctx = mock_image_ctx;
+ m_threads->work_queue->queue(mock_open_local_image_request.on_finish,
+ r);
+ }));
+ }
+
+ void expect_close_image(MockCloseImageRequest &mock_close_image_request,
+ librbd::MockTestImageCtx &mock_image_ctx, int r) {
+ EXPECT_CALL(mock_close_image_request, construct(&mock_image_ctx));
+ EXPECT_CALL(mock_close_image_request, send())
+ .WillOnce(Invoke([this, &mock_close_image_request, r]() {
+ *mock_close_image_request.image_ctx = nullptr;
+ m_threads->work_queue->queue(mock_close_image_request.on_finish, r);
+ }));
+ }
+
+ void expect_is_primary(MockIsPrimaryRequest &mock_is_primary_request,
+ bool primary, int r) {
+ EXPECT_CALL(mock_is_primary_request, send())
+ .WillOnce(Invoke([this, &mock_is_primary_request, primary, r]() {
+ *mock_is_primary_request.primary = primary;
+ m_threads->work_queue->queue(mock_is_primary_request.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)));
+ }
+
+ void expect_create_image(MockCreateImageRequest &mock_create_image_request,
+ const std::string &image_id, int r) {
+ EXPECT_CALL(mock_create_image_request, construct(image_id));
+ EXPECT_CALL(mock_create_image_request, send())
+ .WillOnce(Invoke([this, &mock_create_image_request, r]() {
+ m_threads->work_queue->queue(mock_create_image_request.on_finish, r);
+ }));
+ }
+
+ void expect_image_sync(MockImageSync &mock_image_sync, int r) {
+ EXPECT_CALL(mock_image_sync, get());
+ EXPECT_CALL(mock_image_sync, send())
+ .WillOnce(Invoke([this, &mock_image_sync, r]() {
+ m_threads->work_queue->queue(mock_image_sync.on_finish, r);
+ }));
+ EXPECT_CALL(mock_image_sync, put());
+ }
+
+ bufferlist encode_tag_data(const librbd::journal::TagData &tag_data) {
+ bufferlist bl;
+ ::encode(tag_data, bl);
+ return bl;
+ }
+
+ MockBootstrapRequest *create_request(MockInstanceWatcher *mock_instance_watcher,
+ ::journal::MockJournaler &mock_journaler,
+ const std::string &local_image_id,
+ const std::string &remote_image_id,
+ const std::string &global_image_id,
+ const std::string &local_mirror_uuid,
+ const std::string &remote_mirror_uuid,
+ Context *on_finish) {
+ return new MockBootstrapRequest(m_local_io_ctx,
+ m_remote_io_ctx,
+ mock_instance_watcher,
+ &m_local_test_image_ctx,
+ local_image_id,
+ remote_image_id,
+ global_image_id,
+ m_threads->work_queue,
+ m_threads->timer,
+ &m_threads->timer_lock,
+ local_mirror_uuid,
+ remote_mirror_uuid,
+ &mock_journaler,
+ &m_mirror_peer_client_meta,
+ on_finish, &m_do_resync);
+ }
+
+ librbd::ImageCtx *m_remote_image_ctx;
+ librbd::ImageCtx *m_local_image_ctx = nullptr;
+ librbd::MockTestImageCtx *m_local_test_image_ctx = nullptr;
+ librbd::journal::MirrorPeerClientMeta m_mirror_peer_client_meta;
+ bool m_do_resync;
+};
+
+TEST_F(TestMockImageReplayerBootstrapRequest, NonPrimaryRemoteSyncingState) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, false, 0);
+
+ // switch the state to replaying
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ expect_journaler_update_client(mock_journaler, client_data, 0);
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(-EREMOTEIO, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, RemoteDemotePromote) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the local image
+ mock_local_image_ctx.journal = &mock_journal;
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 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_journaler, 123, tags, 0);
+ expect_journal_get_tag_tid(mock_journal, 345);
+ expect_journal_get_tag_data(mock_journal, {"remote mirror uuid"});
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, MultipleRemoteDemotePromotes) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the local image
+ mock_local_image_ctx.journal = &mock_journal;
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 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_journaler, 123, tags, 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});
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, LocalDemoteRemotePromote) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the local image
+ mock_local_image_ctx.journal = &mock_journal;
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 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_journaler, 123, tags, 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});
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, SplitBrainForcePromote) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the local image
+ mock_local_image_ctx.journal = &mock_journal;
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 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_journaler, 123, tags, 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});
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_local_image_ctx, 0);
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(-EEXIST, ctx.wait());
+ ASSERT_EQ(NULL, m_local_test_image_ctx);
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, ResyncRequested) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the local image
+ mock_local_image_ctx.journal = &mock_journal;
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+
+ // resync is requested
+ expect_is_resync_requested(mock_journal, true, 0);
+
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, mock_local_image_ctx.id,
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ m_do_resync = false;
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_TRUE(m_do_resync);
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, PrimaryRemote) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ client = {};
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, -ENOENT);
+
+ // register missing client in remote journal
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ expect_journaler_register_client(mock_journaler, client_data, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // update client state back to syncing
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ librbd::util::s_image_id = mock_local_image_ctx.id;
+ mirror_peer_client_meta = {mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_update_client(mock_journaler, client_data, 0);
+
+ // create the local image
+ MockCreateImageRequest mock_create_image_request;
+ expect_create_image(mock_create_image_request, mock_local_image_ctx.id, 0);
+
+ // open the local image
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 0);
+
+ // sync the remote image to the local image
+ MockImageSync mock_image_sync;
+ expect_image_sync(mock_image_sync, 0);
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, "",
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestMockImageReplayerBootstrapRequest, PrimaryRemoteLocalDeleted) {
+ create_local_image();
+
+ InSequence seq;
+
+ // lookup remote image tag class
+ cls::journal::Client client;
+ librbd::journal::ClientData client_data{
+ librbd::journal::ImageClientMeta{123}};
+ ::encode(client_data, client.data);
+ ::journal::MockJournaler mock_journaler;
+ expect_journaler_get_client(mock_journaler,
+ librbd::Journal<>::IMAGE_CLIENT_ID,
+ client, 0);
+
+ // open the remote image
+ librbd::MockJournal mock_journal;
+ librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
+ MockOpenImageRequest mock_open_image_request;
+ expect_open_image(mock_open_image_request, m_remote_io_ctx,
+ mock_remote_image_ctx.id, mock_remote_image_ctx, 0);
+
+ // lookup local peer in remote journal
+ librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
+ "missing image id"};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_get_client(mock_journaler, "local mirror uuid",
+ client, 0);
+
+ // test if remote image is primary
+ MockIsPrimaryRequest mock_is_primary_request;
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // open the missing local image
+ MockOpenLocalImageRequest mock_open_local_image_request;
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ "missing image id", nullptr, -ENOENT);
+
+ // re-register the client
+ expect_journaler_unregister_client(mock_journaler, 0);
+ mirror_peer_client_meta = {};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
+ client_data.client_meta = mirror_peer_client_meta;
+ expect_journaler_register_client(mock_journaler, client_data, 0);
+
+ // test if remote image is primary
+ expect_is_primary(mock_is_primary_request, true, 0);
+
+ // update client state back to syncing
+ librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
+ mock_local_image_ctx.journal = &mock_journal;
+
+ librbd::util::s_image_id = mock_local_image_ctx.id;
+ mirror_peer_client_meta = {mock_local_image_ctx.id};
+ mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
+ client_data.client_meta = mirror_peer_client_meta;
+ client.data.clear();
+ ::encode(client_data, client.data);
+ expect_journaler_update_client(mock_journaler, client_data, 0);
+
+ // create the missing local image
+ MockCreateImageRequest mock_create_image_request;
+ expect_create_image(mock_create_image_request, mock_local_image_ctx.id, 0);
+
+ // open the local image
+ expect_open_local_image(mock_open_local_image_request, m_local_io_ctx,
+ mock_local_image_ctx.id, &mock_local_image_ctx, 0);
+ expect_is_resync_requested(mock_journal, false, 0);
+
+ // sync the remote image to the local image
+ MockImageSync mock_image_sync;
+ expect_image_sync(mock_image_sync, 0);
+
+ MockCloseImageRequest mock_close_image_request;
+ expect_close_image(mock_close_image_request, mock_remote_image_ctx, 0);
+
+ C_SaferCond ctx;
+ MockInstanceWatcher mock_instance_watcher;
+ MockBootstrapRequest *request = create_request(
+ &mock_instance_watcher, mock_journaler, "",
+ mock_remote_image_ctx.id, "global image id", "local mirror uuid",
+ "remote mirror uuid", &ctx);
+ request->send();
+ ASSERT_EQ(0, ctx.wait());
+}
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
Code Review / stor4nfv.git / blobdiff