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test_mock_BootstrapRequest.cc
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test_mock_BootstrapRequest.cc
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// -*- 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,
cls::journal::ClientState *client_state,
librbd::journal::MirrorPeerClientMeta *mirror_peer_client_meta,
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,
client_state, 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;
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);
// 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
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;
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_SYNCING;
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", &client_state, &mirror_peer_client_meta, &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);
// test if remote image is primary
MockIsPrimaryRequest mock_is_primary_request;
expect_is_primary(mock_is_primary_request, true, 0);
// open the local image
librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
mock_local_image_ctx.id};
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
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", &client_state, &mirror_peer_client_meta, &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);
// test if remote image is primary
MockIsPrimaryRequest mock_is_primary_request;
expect_is_primary(mock_is_primary_request, true, 0);
// open the local image
librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
mock_local_image_ctx.id};
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
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", &client_state, &mirror_peer_client_meta, &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);
// test if remote image is primary
MockIsPrimaryRequest mock_is_primary_request;
expect_is_primary(mock_is_primary_request, true, 0);
// open the local image
librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
mock_local_image_ctx.id};
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
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", &client_state, &mirror_peer_client_meta, &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);
// test if remote image is primary
MockIsPrimaryRequest mock_is_primary_request;
expect_is_primary(mock_is_primary_request, true, 0);
// open the local image
librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
mock_local_image_ctx.id};
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
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", &client_state, &mirror_peer_client_meta, &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);
// test if remote image is primary
MockIsPrimaryRequest mock_is_primary_request;
expect_is_primary(mock_is_primary_request, true, 0);
// open the local image
librbd::MockTestImageCtx mock_local_image_ctx(*m_local_image_ctx);
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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta{
mock_local_image_ctx.id};
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
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", &client_state, &mirror_peer_client_meta, &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);
// 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;
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
mirror_peer_client_meta.image_id = 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;
cls::journal::ClientState client_state = cls::journal::CLIENT_STATE_CONNECTED;
mirror_peer_client_meta.image_id = "";
mirror_peer_client_meta.state = librbd::journal::MIRROR_PEER_STATE_REPLAYING;
MockBootstrapRequest *request = create_request(
&mock_instance_watcher, mock_journaler, "",
mock_remote_image_ctx.id, "global image id", "local mirror uuid",
"remote mirror uuid", &client_state, &mirror_peer_client_meta, &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);
// 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);
librbd::journal::MirrorPeerClientMeta mirror_peer_client_meta;
mirror_peer_client_meta.image_id = "";
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.image_id = 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