[ceph.git] / ceph / src / test / rbd_mirror / test_mock_ImageSync.cc

// -*- 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 "include/rbd/librbd.hpp"
#include "librbd/DeepCopyRequest.h"
#include "librbd/journal/Types.h"
#include "librbd/journal/TypeTraits.h"
#include "test/journal/mock/MockJournaler.h"
#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
#include "test/librbd/mock/MockImageCtx.h"
#include "tools/rbd_mirror/ImageSync.h"
#include "tools/rbd_mirror/Threads.h"
#include "tools/rbd_mirror/image_sync/SyncPointCreateRequest.h"
#include "tools/rbd_mirror/image_sync/SyncPointPruneRequest.h"

namespace librbd {

namespace {

struct MockTestImageCtx : public librbd::MockImageCtx {
  explicit MockTestImageCtx(librbd::ImageCtx &image_ctx)
    : librbd::MockImageCtx(image_ctx) {
  }
};

} // anonymous namespace

namespace journal {

template <>
struct TypeTraits<librbd::MockTestImageCtx> {
  typedef ::journal::MockJournaler Journaler;
};

} // namespace journal

template <>
class DeepCopyRequest<librbd::MockTestImageCtx> {
public:
  static DeepCopyRequest* s_instance;
  Context *on_finish;

  static DeepCopyRequest* create(
      librbd::MockTestImageCtx *src_image_ctx,
      librbd::MockTestImageCtx *dst_image_ctx,
      librados::snap_t snap_id_start, librados::snap_t snap_id_end,
      bool flatten, const librbd::deep_copy::ObjectNumber &object_number,
      ContextWQ *work_queue, SnapSeqs *snap_seqs, ProgressContext *prog_ctx,
      Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    return s_instance;
  }

  DeepCopyRequest() {
    s_instance = this;
  }

  void put() {
  }

  void get() {
  }

  MOCK_METHOD0(cancel, void());
  MOCK_METHOD0(send, void());
};

DeepCopyRequest<librbd::MockTestImageCtx>* DeepCopyRequest<librbd::MockTestImageCtx>::s_instance = nullptr;

} // namespace librbd

// template definitions
template class rbd::mirror::ImageSync<librbd::MockTestImageCtx>;
#include "tools/rbd_mirror/ImageSync.cc"

namespace rbd {
namespace mirror {

template<>
struct InstanceWatcher<librbd::MockTestImageCtx> {
  MOCK_METHOD2(notify_sync_request, void(const std::string, Context *));
  MOCK_METHOD1(cancel_sync_request, bool(const std::string &));
  MOCK_METHOD1(notify_sync_complete, void(const std::string &));
};

namespace image_sync {

template <>
class SyncPointCreateRequest<librbd::MockTestImageCtx> {
public:
  static SyncPointCreateRequest *s_instance;
  Context *on_finish;

  static SyncPointCreateRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
                                        const std::string &mirror_uuid,
                                        journal::MockJournaler *journaler,
                                        librbd::journal::MirrorPeerClientMeta *client_meta,
                                        Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    return s_instance;
  }

  SyncPointCreateRequest() {
    s_instance = this;
  }
  MOCK_METHOD0(send, void());
};

template <>
class SyncPointPruneRequest<librbd::MockTestImageCtx> {
public:
  static SyncPointPruneRequest *s_instance;
  Context *on_finish;
  bool sync_complete;

  static SyncPointPruneRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
                                       bool sync_complete,
                                       journal::MockJournaler *journaler,
                                       librbd::journal::MirrorPeerClientMeta *client_meta,
                                       Context *on_finish) {
    ceph_assert(s_instance != nullptr);
    s_instance->on_finish = on_finish;
    s_instance->sync_complete = sync_complete;
    return s_instance;
  }

  SyncPointPruneRequest() {
    s_instance = this;
  }
  MOCK_METHOD0(send, void());
};

SyncPointCreateRequest<librbd::MockTestImageCtx>* SyncPointCreateRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
SyncPointPruneRequest<librbd::MockTestImageCtx>* SyncPointPruneRequest<librbd::MockTestImageCtx>::s_instance = nullptr;

} // namespace image_sync

using ::testing::_;
using ::testing::InSequence;
using ::testing::Invoke;
using ::testing::Return;
using ::testing::StrEq;
using ::testing::WithArg;
using ::testing::InvokeWithoutArgs;

class TestMockImageSync : public TestMockFixture {
public:
  typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
  typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
  typedef image_sync::SyncPointCreateRequest<librbd::MockTestImageCtx> MockSyncPointCreateRequest;
  typedef image_sync::SyncPointPruneRequest<librbd::MockTestImageCtx> MockSyncPointPruneRequest;
  typedef librbd::DeepCopyRequest<librbd::MockTestImageCtx> MockImageCopyRequest;

  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));

    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_get_snap_id(librbd::MockTestImageCtx &mock_image_ctx) {
    EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
      .WillOnce(Return(123));
  }

  void expect_notify_sync_request(MockInstanceWatcher &mock_instance_watcher,
                                  const std::string &sync_id, int r) {
    EXPECT_CALL(mock_instance_watcher, notify_sync_request(sync_id, _))
      .WillOnce(Invoke([this, r](const std::string &, Context *on_sync_start) {
            m_threads->work_queue->queue(on_sync_start, r);
          }));
  }

  void expect_cancel_sync_request(MockInstanceWatcher &mock_instance_watcher,
                                  const std::string &sync_id, bool canceled) {
    EXPECT_CALL(mock_instance_watcher, cancel_sync_request(sync_id))
      .WillOnce(Return(canceled));
  }

  void expect_notify_sync_complete(MockInstanceWatcher &mock_instance_watcher,
                                   const std::string &sync_id) {
    EXPECT_CALL(mock_instance_watcher, notify_sync_complete(sync_id));
  }

  void expect_create_sync_point(librbd::MockTestImageCtx &mock_local_image_ctx,
                                MockSyncPointCreateRequest &mock_sync_point_create_request,
                                int r) {
    EXPECT_CALL(mock_sync_point_create_request, send())
      .WillOnce(Invoke([this, &mock_local_image_ctx, &mock_sync_point_create_request, r]() {
          if (r == 0) {
            mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(),
					   "snap1"}] = 123;
            m_client_meta.sync_points.emplace_back(cls::rbd::UserSnapshotNamespace(),
						   "snap1",
						   boost::none);
          }
          m_threads->work_queue->queue(mock_sync_point_create_request.on_finish, r);
        }));
  }

  void expect_copy_image(MockImageCopyRequest &mock_image_copy_request, int r) {
    EXPECT_CALL(mock_image_copy_request, send())
      .WillOnce(Invoke([this, &mock_image_copy_request, r]() {
          m_threads->work_queue->queue(mock_image_copy_request.on_finish, r);
        }));
  }

  void expect_flush_sync_point(journal::MockJournaler &mock_journaler, int r) {
    EXPECT_CALL(mock_journaler, update_client(_, _))
      .WillOnce(WithArg<1>(CompleteContext(r)));
  }

  void expect_prune_sync_point(MockSyncPointPruneRequest &mock_sync_point_prune_request,
                               bool sync_complete, int r) {
    EXPECT_CALL(mock_sync_point_prune_request, send())
      .WillOnce(Invoke([this, &mock_sync_point_prune_request, sync_complete, r]() {
          ASSERT_EQ(sync_complete, mock_sync_point_prune_request.sync_complete);
          if (r == 0 && !m_client_meta.sync_points.empty()) {
            if (sync_complete) {
              m_client_meta.sync_points.pop_front();
            } else {
              while (m_client_meta.sync_points.size() > 1) {
                m_client_meta.sync_points.pop_back();
              }
            }
          }
          m_threads->work_queue->queue(mock_sync_point_prune_request.on_finish, r);
        }));
  }

  MockImageSync *create_request(librbd::MockTestImageCtx &mock_remote_image_ctx,
                                librbd::MockTestImageCtx &mock_local_image_ctx,
                                journal::MockJournaler &mock_journaler,
                                MockInstanceWatcher &mock_instance_watcher,
                                Context *ctx) {
    return new MockImageSync(&mock_local_image_ctx, &mock_remote_image_ctx,
                             m_threads->timer, &m_threads->timer_lock,
                             "mirror-uuid", &mock_journaler, &m_client_meta,
                             m_threads->work_queue, &mock_instance_watcher,
                             ctx);
  }

  librbd::ImageCtx *m_remote_image_ctx;
  librbd::ImageCtx *m_local_image_ctx;
  librbd::journal::MirrorPeerClientMeta m_client_meta;
};

TEST_F(TestMockImageSync, SimpleSync) {
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  journal::MockJournaler mock_journaler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  expect_copy_image(mock_image_copy_request, 0);
  expect_flush_sync_point(mock_journaler, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_remote_image_ctx,
                                          mock_local_image_ctx, mock_journaler,
                                          mock_instance_watcher, &ctx);
  request->send();
  ASSERT_EQ(0, ctx.wait());
}

TEST_F(TestMockImageSync, RestartSync) {
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  journal::MockJournaler mock_journaler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  m_client_meta.sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", boost::none},
                               {cls::rbd::UserSnapshotNamespace(), "snap2", "snap1", boost::none}};
  mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap1"}] = 123;
  mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap2"}] = 234;

  expect_test_features(mock_local_image_ctx);

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  expect_copy_image(mock_image_copy_request, 0);
  expect_flush_sync_point(mock_journaler, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_remote_image_ctx,
                                          mock_local_image_ctx, mock_journaler,
                                          mock_instance_watcher, &ctx);
  request->send();
  ASSERT_EQ(0, ctx.wait());
}

TEST_F(TestMockImageSync, CancelNotifySyncRequest) {
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  journal::MockJournaler mock_journaler;
  MockInstanceWatcher mock_instance_watcher;

  InSequence seq;
  Context *on_sync_start = nullptr;
  C_SaferCond notify_sync_ctx;
  EXPECT_CALL(mock_instance_watcher,
              notify_sync_request(mock_local_image_ctx.id, _))
    .WillOnce(Invoke([&on_sync_start, &notify_sync_ctx](
                         const std::string &, Context *ctx) {
                       on_sync_start = ctx;
                       notify_sync_ctx.complete(0);
                     }));
  EXPECT_CALL(mock_instance_watcher,
              cancel_sync_request(mock_local_image_ctx.id))
    .WillOnce(Invoke([&on_sync_start](const std::string &) {
          EXPECT_NE(nullptr, on_sync_start);
          on_sync_start->complete(-ECANCELED);
          return true;
        }));

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_remote_image_ctx,
                                          mock_local_image_ctx, mock_journaler,
                                          mock_instance_watcher, &ctx);
  request->get();
  request->send();

  // cancel the notify sync request once it starts
  ASSERT_EQ(0, notify_sync_ctx.wait());
  request->cancel();
  request->put();

  ASSERT_EQ(-ECANCELED, ctx.wait());
}

TEST_F(TestMockImageSync, CancelImageCopy) {
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  journal::MockJournaler mock_journaler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  m_client_meta.sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", boost::none}};

  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
  expect_get_snap_id(mock_remote_image_ctx);

  C_SaferCond image_copy_ctx;
  EXPECT_CALL(mock_image_copy_request, send())
    .WillOnce(Invoke([&image_copy_ctx]() {
        image_copy_ctx.complete(0);
      }));
  expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
                             false);
  EXPECT_CALL(mock_image_copy_request, cancel());
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_remote_image_ctx,
                                          mock_local_image_ctx, mock_journaler,
                                          mock_instance_watcher, &ctx);
  request->get();
  request->send();

  // cancel the image copy once it starts
  ASSERT_EQ(0, image_copy_ctx.wait());
  request->cancel();
  request->put();
  m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);

  ASSERT_EQ(-ECANCELED, ctx.wait());
}

TEST_F(TestMockImageSync, CancelAfterCopyImage) {
  librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
  librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
  journal::MockJournaler mock_journaler;
  MockInstanceWatcher mock_instance_watcher;
  MockImageCopyRequest mock_image_copy_request;
  MockSyncPointCreateRequest mock_sync_point_create_request;
  MockSyncPointPruneRequest mock_sync_point_prune_request;

  C_SaferCond ctx;
  MockImageSync *request = create_request(mock_remote_image_ctx,
                                          mock_local_image_ctx, mock_journaler,
                                          mock_instance_watcher, &ctx);
  InSequence seq;
  expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
  expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
  expect_get_snap_id(mock_remote_image_ctx);
  EXPECT_CALL(mock_image_copy_request, send())
    .WillOnce((DoAll(InvokeWithoutArgs([request]() {
	      request->cancel();
	    }),
	  Invoke([this, &mock_image_copy_request]() {
	      m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	    }))));
  expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
                             false);
  EXPECT_CALL(mock_image_copy_request, cancel());
  expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);

  request->send();
  ASSERT_EQ(-ECANCELED, ctx.wait());
}

} // namespace mirror
} // namespace rbd
Commit	Line	Data
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/rbd_mirror/test_mock_fixture.h"
	5	#include "include/rbd/librbd.hpp"
11fdf7f2	6	#include "librbd/DeepCopyRequest.h"
7c673cae FG	7	#include "librbd/journal/Types.h"
	8	#include "librbd/journal/TypeTraits.h"
	9	#include "test/journal/mock/MockJournaler.h"
	10	#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
	11	#include "test/librbd/mock/MockImageCtx.h"
7c673cae FG	12	#include "tools/rbd_mirror/ImageSync.h"
7c673cae FG	13	#include "tools/rbd_mirror/Threads.h"
7c673cae FG	14	#include "tools/rbd_mirror/image_sync/SyncPointCreateRequest.h"
	15	#include "tools/rbd_mirror/image_sync/SyncPointPruneRequest.h"
	16
	17	namespace librbd {
	18
	19	namespace {
	20
	21	struct MockTestImageCtx : public librbd::MockImageCtx {
11fdf7f2	22	explicit MockTestImageCtx(librbd::ImageCtx &image_ctx)
7c673cae FG	23	: librbd::MockImageCtx(image_ctx) {
	24	}
	25	};
	26
	27	} // anonymous namespace
	28
	29	namespace journal {
	30
	31	template <>
	32	struct TypeTraits<librbd::MockTestImageCtx> {
	33	typedef ::journal::MockJournaler Journaler;
	34	};
	35
	36	} // namespace journal
7c673cae FG	37
7c673cae FG	38	template <>
11fdf7f2	39	class DeepCopyRequest<librbd::MockTestImageCtx> {
7c673cae	40	public:
11fdf7f2	41	static DeepCopyRequest* s_instance;
7c673cae FG	42	Context *on_finish;
7c673cae FG	43
11fdf7f2 TL	44	static DeepCopyRequest* create(
	45	librbd::MockTestImageCtx *src_image_ctx,
	46	librbd::MockTestImageCtx *dst_image_ctx,
	47	librados::snap_t snap_id_start, librados::snap_t snap_id_end,
	48	bool flatten, const librbd::deep_copy::ObjectNumber &object_number,
	49	ContextWQ work_queue, SnapSeqs snap_seqs, ProgressContext *prog_ctx,
	50	Context *on_finish) {
	51	ceph_assert(s_instance != nullptr);
7c673cae FG	52	s_instance->on_finish = on_finish;
	53	return s_instance;
	54	}
	55
11fdf7f2	56	DeepCopyRequest() {
7c673cae FG	57	s_instance = this;
	58	}
	59
	60	void put() {
	61	}
	62
	63	void get() {
	64	}
	65
	66	MOCK_METHOD0(cancel, void());
	67	MOCK_METHOD0(send, void());
	68	};
	69
11fdf7f2	70	DeepCopyRequest<librbd::MockTestImageCtx>* DeepCopyRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
b32b8144	71
11fdf7f2	72	} // namespace librbd
7c673cae	73
11fdf7f2 TL	74	// template definitions
	75	template class rbd::mirror::ImageSync<librbd::MockTestImageCtx>;
	76	#include "tools/rbd_mirror/ImageSync.cc"
7c673cae	77
11fdf7f2 TL	78	namespace rbd {
11fdf7f2 TL	79	namespace mirror {
7c673cae	80
11fdf7f2 TL	81	template<>
	82	struct InstanceWatcher<librbd::MockTestImageCtx> {
	83	MOCK_METHOD2(notify_sync_request, void(const std::string, Context *));
	84	MOCK_METHOD1(cancel_sync_request, bool(const std::string &));
	85	MOCK_METHOD1(notify_sync_complete, void(const std::string &));
7c673cae FG	86	};
7c673cae FG	87
11fdf7f2 TL	88	namespace image_sync {
11fdf7f2 TL	89
7c673cae FG	90	template <>
	91	class SyncPointCreateRequest<librbd::MockTestImageCtx> {
	92	public:
	93	static SyncPointCreateRequest *s_instance;
	94	Context *on_finish;
	95
	96	static SyncPointCreateRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	97	const std::string &mirror_uuid,
	98	journal::MockJournaler *journaler,
	99	librbd::journal::MirrorPeerClientMeta *client_meta,
	100	Context *on_finish) {
11fdf7f2	101	ceph_assert(s_instance != nullptr);
7c673cae FG	102	s_instance->on_finish = on_finish;
	103	return s_instance;
	104	}
	105
	106	SyncPointCreateRequest() {
	107	s_instance = this;
	108	}
	109	MOCK_METHOD0(send, void());
	110	};
	111
	112	template <>
	113	class SyncPointPruneRequest<librbd::MockTestImageCtx> {
	114	public:
	115	static SyncPointPruneRequest *s_instance;
	116	Context *on_finish;
	117	bool sync_complete;
	118
	119	static SyncPointPruneRequest* create(librbd::MockTestImageCtx *remote_image_ctx,
	120	bool sync_complete,
	121	journal::MockJournaler *journaler,
	122	librbd::journal::MirrorPeerClientMeta *client_meta,
	123	Context *on_finish) {
11fdf7f2	124	ceph_assert(s_instance != nullptr);
7c673cae FG	125	s_instance->on_finish = on_finish;
	126	s_instance->sync_complete = sync_complete;
	127	return s_instance;
	128	}
	129
	130	SyncPointPruneRequest() {
	131	s_instance = this;
	132	}
	133	MOCK_METHOD0(send, void());
	134	};
	135
7c673cae FG	136	SyncPointCreateRequest<librbd::MockTestImageCtx>* SyncPointCreateRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	137	SyncPointPruneRequest<librbd::MockTestImageCtx>* SyncPointPruneRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
	138
	139	} // namespace image_sync
	140
	141	using ::testing::_;
	142	using ::testing::InSequence;
	143	using ::testing::Invoke;
	144	using ::testing::Return;
11fdf7f2	145	using ::testing::StrEq;
7c673cae FG	146	using ::testing::WithArg;
	147	using ::testing::InvokeWithoutArgs;
	148
	149	class TestMockImageSync : public TestMockFixture {
	150	public:
	151	typedef ImageSync<librbd::MockTestImageCtx> MockImageSync;
31f18b77	152	typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
7c673cae FG	153	typedef image_sync::SyncPointCreateRequest<librbd::MockTestImageCtx> MockSyncPointCreateRequest;
7c673cae FG	154	typedef image_sync::SyncPointPruneRequest<librbd::MockTestImageCtx> MockSyncPointPruneRequest;
11fdf7f2	155	typedef librbd::DeepCopyRequest<librbd::MockTestImageCtx> MockImageCopyRequest;
7c673cae FG	156
	157	void SetUp() override {
	158	TestMockFixture::SetUp();
	159
	160	librbd::RBD rbd;
	161	ASSERT_EQ(0, create_image(rbd, m_remote_io_ctx, m_image_name, m_image_size));
	162	ASSERT_EQ(0, open_image(m_remote_io_ctx, m_image_name, &m_remote_image_ctx));
	163
	164	ASSERT_EQ(0, create_image(rbd, m_local_io_ctx, m_image_name, m_image_size));
	165	ASSERT_EQ(0, open_image(m_local_io_ctx, m_image_name, &m_local_image_ctx));
	166	}
	167
11fdf7f2 TL	168	void expect_get_snap_id(librbd::MockTestImageCtx &mock_image_ctx) {
	169	EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
	170	.WillOnce(Return(123));
31f18b77 FG	171	}
	172
	173	void expect_notify_sync_request(MockInstanceWatcher &mock_instance_watcher,
	174	const std::string &sync_id, int r) {
	175	EXPECT_CALL(mock_instance_watcher, notify_sync_request(sync_id, _))
	176	.WillOnce(Invoke([this, r](const std::string &, Context *on_sync_start) {
	177	m_threads->work_queue->queue(on_sync_start, r);
	178	}));
	179	}
	180
	181	void expect_cancel_sync_request(MockInstanceWatcher &mock_instance_watcher,
	182	const std::string &sync_id, bool canceled) {
	183	EXPECT_CALL(mock_instance_watcher, cancel_sync_request(sync_id))
	184	.WillOnce(Return(canceled));
	185	}
	186
	187	void expect_notify_sync_complete(MockInstanceWatcher &mock_instance_watcher,
	188	const std::string &sync_id) {
	189	EXPECT_CALL(mock_instance_watcher, notify_sync_complete(sync_id));
	190	}
	191
7c673cae FG	192	void expect_create_sync_point(librbd::MockTestImageCtx &mock_local_image_ctx,
	193	MockSyncPointCreateRequest &mock_sync_point_create_request,
	194	int r) {
	195	EXPECT_CALL(mock_sync_point_create_request, send())
	196	.WillOnce(Invoke([this, &mock_local_image_ctx, &mock_sync_point_create_request, r]() {
	197	if (r == 0) {
	198	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(),
	199	"snap1"}] = 123;
	200	m_client_meta.sync_points.emplace_back(cls::rbd::UserSnapshotNamespace(),
	201	"snap1",
	202	boost::none);
	203	}
	204	m_threads->work_queue->queue(mock_sync_point_create_request.on_finish, r);
	205	}));
	206	}
	207
7c673cae FG	208	void expect_copy_image(MockImageCopyRequest &mock_image_copy_request, int r) {
	209	EXPECT_CALL(mock_image_copy_request, send())
	210	.WillOnce(Invoke([this, &mock_image_copy_request, r]() {
	211	m_threads->work_queue->queue(mock_image_copy_request.on_finish, r);
	212	}));
	213	}
	214
11fdf7f2 TL	215	void expect_flush_sync_point(journal::MockJournaler &mock_journaler, int r) {
	216	EXPECT_CALL(mock_journaler, update_client(_, _))
	217	.WillOnce(WithArg<1>(CompleteContext(r)));
7c673cae FG	218	}
	219
	220	void expect_prune_sync_point(MockSyncPointPruneRequest &mock_sync_point_prune_request,
	221	bool sync_complete, int r) {
	222	EXPECT_CALL(mock_sync_point_prune_request, send())
	223	.WillOnce(Invoke([this, &mock_sync_point_prune_request, sync_complete, r]() {
	224	ASSERT_EQ(sync_complete, mock_sync_point_prune_request.sync_complete);
	225	if (r == 0 && !m_client_meta.sync_points.empty()) {
	226	if (sync_complete) {
	227	m_client_meta.sync_points.pop_front();
	228	} else {
	229	while (m_client_meta.sync_points.size() > 1) {
	230	m_client_meta.sync_points.pop_back();
	231	}
	232	}
	233	}
	234	m_threads->work_queue->queue(mock_sync_point_prune_request.on_finish, r);
	235	}));
	236	}
	237
	238	MockImageSync *create_request(librbd::MockTestImageCtx &mock_remote_image_ctx,
	239	librbd::MockTestImageCtx &mock_local_image_ctx,
	240	journal::MockJournaler &mock_journaler,
31f18b77	241	MockInstanceWatcher &mock_instance_watcher,
7c673cae FG	242	Context *ctx) {
	243	return new MockImageSync(&mock_local_image_ctx, &mock_remote_image_ctx,
	244	m_threads->timer, &m_threads->timer_lock,
	245	"mirror-uuid", &mock_journaler, &m_client_meta,
31f18b77 FG	246	m_threads->work_queue, &mock_instance_watcher,
31f18b77 FG	247	ctx);
7c673cae FG	248	}
	249
	250	librbd::ImageCtx *m_remote_image_ctx;
	251	librbd::ImageCtx *m_local_image_ctx;
	252	librbd::journal::MirrorPeerClientMeta m_client_meta;
	253	};
	254
	255	TEST_F(TestMockImageSync, SimpleSync) {
	256	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
	257	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
	258	journal::MockJournaler mock_journaler;
31f18b77	259	MockInstanceWatcher mock_instance_watcher;
7c673cae	260	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	261	MockSyncPointCreateRequest mock_sync_point_create_request;
7c673cae FG	262	MockSyncPointPruneRequest mock_sync_point_prune_request;
7c673cae FG	263
7c673cae FG	264	InSequence seq;
31f18b77	265	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	266	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	267	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	268	expect_copy_image(mock_image_copy_request, 0);
11fdf7f2	269	expect_flush_sync_point(mock_journaler, 0);
7c673cae	270	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	271	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	272
	273	C_SaferCond ctx;
	274	MockImageSync *request = create_request(mock_remote_image_ctx,
31f18b77 FG	275	mock_local_image_ctx, mock_journaler,
31f18b77 FG	276	mock_instance_watcher, &ctx);
7c673cae FG	277	request->send();
	278	ASSERT_EQ(0, ctx.wait());
	279	}
	280
	281	TEST_F(TestMockImageSync, RestartSync) {
	282	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
	283	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
	284	journal::MockJournaler mock_journaler;
31f18b77	285	MockInstanceWatcher mock_instance_watcher;
7c673cae	286	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	287	MockSyncPointCreateRequest mock_sync_point_create_request;
	288	MockSyncPointPruneRequest mock_sync_point_prune_request;
	289
	290	m_client_meta.sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", boost::none},
	291	{cls::rbd::UserSnapshotNamespace(), "snap2", "snap1", boost::none}};
	292	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap1"}] = 123;
	293	mock_local_image_ctx.snap_ids[{cls::rbd::UserSnapshotNamespace(), "snap2"}] = 234;
	294
7c673cae FG	295	expect_test_features(mock_local_image_ctx);
	296
	297	InSequence seq;
31f18b77	298	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	299	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	300	expect_get_snap_id(mock_remote_image_ctx);
7c673cae	301	expect_copy_image(mock_image_copy_request, 0);
11fdf7f2	302	expect_flush_sync_point(mock_journaler, 0);
7c673cae	303	expect_prune_sync_point(mock_sync_point_prune_request, true, 0);
31f18b77	304	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	305
	306	C_SaferCond ctx;
	307	MockImageSync *request = create_request(mock_remote_image_ctx,
31f18b77 FG	308	mock_local_image_ctx, mock_journaler,
31f18b77 FG	309	mock_instance_watcher, &ctx);
7c673cae FG	310	request->send();
	311	ASSERT_EQ(0, ctx.wait());
	312	}
	313
31f18b77 FG	314	TEST_F(TestMockImageSync, CancelNotifySyncRequest) {
	315	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
	316	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
	317	journal::MockJournaler mock_journaler;
	318	MockInstanceWatcher mock_instance_watcher;
	319
	320	InSequence seq;
	321	Context *on_sync_start = nullptr;
	322	C_SaferCond notify_sync_ctx;
	323	EXPECT_CALL(mock_instance_watcher,
	324	notify_sync_request(mock_local_image_ctx.id, _))
11fdf7f2	325	.WillOnce(Invoke([&on_sync_start, &notify_sync_ctx](
31f18b77 FG	326	const std::string &, Context *ctx) {
	327	on_sync_start = ctx;
	328	notify_sync_ctx.complete(0);
	329	}));
	330	EXPECT_CALL(mock_instance_watcher,
	331	cancel_sync_request(mock_local_image_ctx.id))
11fdf7f2	332	.WillOnce(Invoke([&on_sync_start](const std::string &) {
31f18b77 FG	333	EXPECT_NE(nullptr, on_sync_start);
	334	on_sync_start->complete(-ECANCELED);
	335	return true;
	336	}));
	337
	338	C_SaferCond ctx;
	339	MockImageSync *request = create_request(mock_remote_image_ctx,
	340	mock_local_image_ctx, mock_journaler,
	341	mock_instance_watcher, &ctx);
	342	request->get();
	343	request->send();
	344
	345	// cancel the notify sync request once it starts
	346	ASSERT_EQ(0, notify_sync_ctx.wait());
	347	request->cancel();
	348	request->put();
	349
	350	ASSERT_EQ(-ECANCELED, ctx.wait());
	351	}
	352
7c673cae FG	353	TEST_F(TestMockImageSync, CancelImageCopy) {
	354	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
	355	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
	356	journal::MockJournaler mock_journaler;
31f18b77	357	MockInstanceWatcher mock_instance_watcher;
7c673cae	358	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	359	MockSyncPointCreateRequest mock_sync_point_create_request;
	360	MockSyncPointPruneRequest mock_sync_point_prune_request;
	361
	362	m_client_meta.sync_points = {{cls::rbd::UserSnapshotNamespace(), "snap1", boost::none}};
	363
	364	InSequence seq;
31f18b77	365	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	366	expect_prune_sync_point(mock_sync_point_prune_request, false, 0);
11fdf7f2	367	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	368
	369	C_SaferCond image_copy_ctx;
	370	EXPECT_CALL(mock_image_copy_request, send())
	371	.WillOnce(Invoke([&image_copy_ctx]() {
	372	image_copy_ctx.complete(0);
	373	}));
31f18b77 FG	374	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	375	false);
7c673cae	376	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	377	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	378
	379	C_SaferCond ctx;
	380	MockImageSync *request = create_request(mock_remote_image_ctx,
31f18b77 FG	381	mock_local_image_ctx, mock_journaler,
31f18b77 FG	382	mock_instance_watcher, &ctx);
7c673cae FG	383	request->get();
	384	request->send();
	385
	386	// cancel the image copy once it starts
	387	ASSERT_EQ(0, image_copy_ctx.wait());
	388	request->cancel();
	389	request->put();
	390	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	391
	392	ASSERT_EQ(-ECANCELED, ctx.wait());
	393	}
	394
7c673cae FG	395	TEST_F(TestMockImageSync, CancelAfterCopyImage) {
	396	librbd::MockTestImageCtx mock_remote_image_ctx(*m_remote_image_ctx);
	397	librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
	398	journal::MockJournaler mock_journaler;
31f18b77	399	MockInstanceWatcher mock_instance_watcher;
7c673cae	400	MockImageCopyRequest mock_image_copy_request;
7c673cae FG	401	MockSyncPointCreateRequest mock_sync_point_create_request;
	402	MockSyncPointPruneRequest mock_sync_point_prune_request;
	403
7c673cae FG	404	C_SaferCond ctx;
7c673cae FG	405	MockImageSync *request = create_request(mock_remote_image_ctx,
31f18b77 FG	406	mock_local_image_ctx, mock_journaler,
31f18b77 FG	407	mock_instance_watcher, &ctx);
7c673cae	408	InSequence seq;
31f18b77	409	expect_notify_sync_request(mock_instance_watcher, mock_local_image_ctx.id, 0);
7c673cae	410	expect_create_sync_point(mock_local_image_ctx, mock_sync_point_create_request, 0);
11fdf7f2	411	expect_get_snap_id(mock_remote_image_ctx);
7c673cae FG	412	EXPECT_CALL(mock_image_copy_request, send())
	413	.WillOnce((DoAll(InvokeWithoutArgs([request]() {
	414	request->cancel();
	415	}),
	416	Invoke([this, &mock_image_copy_request]() {
	417	m_threads->work_queue->queue(mock_image_copy_request.on_finish, 0);
	418	}))));
31f18b77 FG	419	expect_cancel_sync_request(mock_instance_watcher, mock_local_image_ctx.id,
31f18b77 FG	420	false);
7c673cae	421	EXPECT_CALL(mock_image_copy_request, cancel());
31f18b77	422	expect_notify_sync_complete(mock_instance_watcher, mock_local_image_ctx.id);
7c673cae FG	423
	424	request->send();
	425	ASSERT_EQ(-ECANCELED, ctx.wait());
	426	}
	427
	428	} // namespace mirror
	429	} // namespace rbd