ceph/src/test/rbd_mirror/test_mock_InstanceReplayer.cc

   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/librbd/mock/MockImageCtx.h"
   5 #include "test/rbd_mirror/test_mock_fixture.h"
   6 #include "tools/rbd_mirror/ImageDeleter.h"
   7 #include "tools/rbd_mirror/ImageReplayer.h"
   8 #include "tools/rbd_mirror/InstanceWatcher.h"
   9 #include "tools/rbd_mirror/InstanceReplayer.h"
  10 #include "tools/rbd_mirror/ServiceDaemon.h"
  11 #include "tools/rbd_mirror/Threads.h"
  12 #include "tools/rbd_mirror/image_replayer/Types.h"
  13
  14 namespace librbd {
  15
  16 namespace {
  17
  18 struct MockTestImageCtx : public MockImageCtx {
  19   MockTestImageCtx(librbd::ImageCtx &image_ctx)
  20     : librbd::MockImageCtx(image_ctx) {
  21   }
  22 };
  23
  24 } // anonymous namespace
  25
  26 } // namespace librbd
  27
  28 namespace rbd {
  29 namespace mirror {
  30
  31 template <>
  32 struct Threads<librbd::MockTestImageCtx> {
  33   Mutex &timer_lock;
  34   SafeTimer *timer;
  35   ContextWQ *work_queue;
  36
  37   Threads(Threads<librbd::ImageCtx> *threads)
  38     : timer_lock(threads->timer_lock), timer(threads->timer),
  39       work_queue(threads->work_queue) {
  40   }
  41 };
  42
  43 template <>
  44 struct ImageDeleter<librbd::MockTestImageCtx> {
  45   MOCK_METHOD4(schedule_image_delete, void(RadosRef, int64_t,
  46                                            const std::string&, bool));
  47   MOCK_METHOD4(wait_for_scheduled_deletion,
  48                void(int64_t, const std::string&, Context*, bool));
  49 };
  50
  51 template<>
  52 struct ServiceDaemon<librbd::MockTestImageCtx> {
  53   MOCK_METHOD3(add_or_update_attribute,
  54                void(int64_t, const std::string&,
  55                     const service_daemon::AttributeValue&));
  56 };
  57
  58 template<>
  59 struct InstanceWatcher<librbd::MockTestImageCtx> {
  60 };
  61
  62 template<>
  63 struct ImageReplayer<librbd::MockTestImageCtx> {
  64   static ImageReplayer* s_instance;
  65   std::string global_image_id;
  66
  67   static ImageReplayer *create(
  68     Threads<librbd::MockTestImageCtx> *threads,
  69     ImageDeleter<librbd::MockTestImageCtx>* image_deleter,
  70     InstanceWatcher<librbd::MockTestImageCtx> *instance_watcher,
  71     RadosRef local, const std::string &local_mirror_uuid, int64_t local_pool_id,
  72     const std::string &global_image_id) {
  73     assert(s_instance != nullptr);
  74     s_instance->global_image_id = global_image_id;
  75     return s_instance;
  76   }
  77
  78   ImageReplayer() {
  79     assert(s_instance == nullptr);
  80     s_instance = this;
  81   }
  82
  83   virtual ~ImageReplayer() {
  84     assert(s_instance == this);
  85     s_instance = nullptr;
  86   }
  87
  88   MOCK_METHOD0(destroy, void());
  89   MOCK_METHOD2(start, void(Context *, bool));
  90   MOCK_METHOD2(stop, void(Context *, bool));
  91   MOCK_METHOD0(restart, void());
  92   MOCK_METHOD0(flush, void());
  93   MOCK_METHOD2(print_status, void(Formatter *, stringstream *));
  94   MOCK_METHOD3(add_remote_image, void(const std::string &,
  95                                       const std::string &,
  96                                       librados::IoCtx &));
  97   MOCK_METHOD3(remove_remote_image, void(const std::string &,
  98                                          const std::string &,
  99                                          bool));
 100   MOCK_METHOD0(remote_images_empty, bool());
 101   MOCK_METHOD0(get_global_image_id, const std::string &());
 102   MOCK_METHOD0(get_local_image_id, const std::string &());
 103   MOCK_METHOD0(is_running, bool());
 104   MOCK_METHOD0(is_stopped, bool());
 105   MOCK_METHOD0(is_blacklisted, bool());
 106
 107   MOCK_CONST_METHOD0(get_health_state, image_replayer::HealthState());
 108 };
 109
 110 ImageReplayer<librbd::MockTestImageCtx>* ImageReplayer<librbd::MockTestImageCtx>::s_instance = nullptr;
 111
 112 } // namespace mirror
 113 } // namespace rbd
 114
 115 // template definitions
 116 #include "tools/rbd_mirror/InstanceReplayer.cc"
 117
 118 namespace rbd {
 119 namespace mirror {
 120
 121 using ::testing::_;
 122 using ::testing::InSequence;
 123 using ::testing::Invoke;
 124 using ::testing::Return;
 125 using ::testing::ReturnRef;
 126 using ::testing::WithArg;
 127
 128 class TestMockInstanceReplayer : public TestMockFixture {
 129 public:
 130   typedef ImageDeleter<librbd::MockTestImageCtx> MockImageDeleter;
 131   typedef ImageReplayer<librbd::MockTestImageCtx> MockImageReplayer;
 132   typedef InstanceReplayer<librbd::MockTestImageCtx> MockInstanceReplayer;
 133   typedef InstanceWatcher<librbd::MockTestImageCtx> MockInstanceWatcher;
 134   typedef ServiceDaemon<librbd::MockTestImageCtx> MockServiceDaemon;
 135   typedef Threads<librbd::MockTestImageCtx> MockThreads;
 136
 137   void SetUp() override {
 138     TestMockFixture::SetUp();
 139
 140     m_mock_threads = new MockThreads(m_threads);
 141   }
 142
 143   void TearDown() override {
 144     delete m_mock_threads;
 145     TestMockFixture::TearDown();
 146   }
 147
 148   void expect_wait_for_scheduled_deletion(MockImageDeleter& mock_image_deleter,
 149                                           const std::string& global_image_id,
 150                                           int r) {
 151     EXPECT_CALL(mock_image_deleter,
 152                 wait_for_scheduled_deletion(_, global_image_id, _, false))
 153       .WillOnce(WithArg<2>(Invoke([this, r](Context *ctx) {
 154                              m_threads->work_queue->queue(ctx, r);
 155                            })));
 156   }
 157
 158   MockThreads *m_mock_threads;
 159 };
 160
 161 TEST_F(TestMockInstanceReplayer, AcquireReleaseImage) {
 162   MockServiceDaemon mock_service_daemon;
 163   MockImageDeleter mock_image_deleter;
 164   MockInstanceWatcher mock_instance_watcher;
 165   MockImageReplayer mock_image_replayer;
 166   MockInstanceReplayer instance_replayer(
 167     m_mock_threads, &mock_service_daemon, &mock_image_deleter,
 168     rbd::mirror::RadosRef(new librados::Rados(m_local_io_ctx)),
 169     "local_mirror_uuid", m_local_io_ctx.get_id());
 170
 171   std::string global_image_id("global_image_id");
 172
 173   EXPECT_CALL(mock_image_replayer, get_global_image_id())
 174     .WillRepeatedly(ReturnRef(global_image_id));
 175   EXPECT_CALL(mock_image_replayer, is_blacklisted())
 176     .WillRepeatedly(Return(false));
 177
 178   expect_wait_for_scheduled_deletion(mock_image_deleter, "global_image_id", 0);
 179
 180   InSequence seq;
 181
 182   instance_replayer.init();
 183   instance_replayer.add_peer("remote_mirror_uuid", m_remote_io_ctx);
 184
 185   // Acquire
 186
 187   C_SaferCond on_acquire;
 188
 189   EXPECT_CALL(mock_image_replayer, add_remote_image("remote_mirror_uuid",
 190                                                     "remote_image_id", _));
 191   EXPECT_CALL(mock_image_replayer, is_stopped())
 192     .WillOnce(Return(true));
 193   EXPECT_CALL(mock_image_replayer, start(nullptr, false));
 194
 195   instance_replayer.acquire_image(&mock_instance_watcher, global_image_id,
 196                                   "remote_mirror_uuid", "remote_image_id",
 197                                   &on_acquire);
 198   ASSERT_EQ(0, on_acquire.wait());
 199
 200   // Release
 201
 202   C_SaferCond on_release;
 203
 204   EXPECT_CALL(mock_image_replayer,
 205               remove_remote_image("remote_mirror_uuid", "remote_image_id",
 206                                   false));
 207   EXPECT_CALL(mock_image_replayer, remote_images_empty())
 208     .WillOnce(Return(true));
 209   EXPECT_CALL(mock_image_replayer, is_stopped())
 210     .WillOnce(Return(false));
 211   EXPECT_CALL(mock_image_replayer, is_running())
 212     .WillOnce(Return(false));
 213   EXPECT_CALL(mock_image_replayer, is_stopped())
 214     .WillOnce(Return(false));
 215   EXPECT_CALL(mock_image_replayer, is_running())
 216     .WillOnce(Return(true));
 217   EXPECT_CALL(mock_image_replayer, stop(_, false))
 218     .WillOnce(CompleteContext(0));
 219   EXPECT_CALL(mock_image_replayer, is_stopped())
 220     .WillOnce(Return(true));
 221   EXPECT_CALL(mock_image_replayer, destroy());
 222
 223   instance_replayer.release_image("global_image_id", "remote_mirror_uuid",
 224                                   "remote_image_id", false, &on_release);
 225   ASSERT_EQ(0, on_release.wait());
 226
 227   instance_replayer.shut_down();
 228 }
 229
 230 } // namespace mirror
 231 } // namespace rbd