+++ /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_fixture.h"
-#include "include/stringify.h"
-#include "include/rbd/librbd.hpp"
-#include "journal/Journaler.h"
-#include "journal/Settings.h"
-#include "librbd/ExclusiveLock.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ImageState.h"
-#include "librbd/internal.h"
-#include "librbd/Operations.h"
-#include "librbd/io/ImageRequestWQ.h"
-#include "librbd/io/ReadResult.h"
-#include "librbd/journal/Types.h"
-#include "tools/rbd_mirror/ImageSync.h"
-#include "tools/rbd_mirror/InstanceWatcher.h"
-#include "tools/rbd_mirror/Threads.h"
-
-void register_test_image_sync() {
-}
-
-namespace rbd {
-namespace mirror {
-
-namespace {
-
-void scribble(librbd::ImageCtx *image_ctx, int num_ops, size_t max_size)
-{
- max_size = MIN(image_ctx->size, max_size);
- for (int i=0; i<num_ops; i++) {
- uint64_t off = rand() % (image_ctx->size - max_size + 1);
- uint64_t len = 1 + rand() % max_size;
-
- if (rand() % 4 == 0) {
- ASSERT_EQ((int)len, image_ctx->io_work_queue->discard(off, len, image_ctx->skip_partial_discard));
- } else {
- bufferlist bl;
- bl.append(std::string(len, '1'));
- ASSERT_EQ((int)len, image_ctx->io_work_queue->write(off, len,
- std::move(bl), 0));
- }
- }
-
- RWLock::RLocker owner_locker(image_ctx->owner_lock);
- ASSERT_EQ(0, image_ctx->flush());
-}
-
-} // anonymous namespace
-class TestImageSync : public TestFixture {
-public:
-
- void SetUp() override {
- TestFixture::SetUp();
- create_and_open(m_local_io_ctx, &m_local_image_ctx);
- create_and_open(m_remote_io_ctx, &m_remote_image_ctx);
-
- m_instance_watcher = rbd::mirror::InstanceWatcher<>::create(
- m_local_io_ctx, m_threads->work_queue, nullptr);
- m_instance_watcher->handle_acquire_leader();
-
- m_remote_journaler = new ::journal::Journaler(
- m_threads->work_queue, m_threads->timer, &m_threads->timer_lock,
- m_remote_io_ctx, m_remote_image_ctx->id, "mirror-uuid", {});
-
- m_client_meta = {"image-id"};
-
- librbd::journal::ClientData client_data(m_client_meta);
- bufferlist client_data_bl;
- ::encode(client_data, client_data_bl);
-
- ASSERT_EQ(0, m_remote_journaler->register_client(client_data_bl));
- }
-
- void TearDown() override {
- TestFixture::TearDown();
-
- m_instance_watcher->handle_release_leader();
-
- delete m_remote_journaler;
- delete m_instance_watcher;
- }
-
- void create_and_open(librados::IoCtx &io_ctx, librbd::ImageCtx **image_ctx) {
- librbd::RBD rbd;
- ASSERT_EQ(0, create_image(rbd, io_ctx, m_image_name, m_image_size));
- ASSERT_EQ(0, open_image(io_ctx, m_image_name, image_ctx));
-
- C_SaferCond ctx;
- {
- RWLock::RLocker owner_locker((*image_ctx)->owner_lock);
- (*image_ctx)->exclusive_lock->try_acquire_lock(&ctx);
- }
- ASSERT_EQ(0, ctx.wait());
- ASSERT_TRUE((*image_ctx)->exclusive_lock->is_lock_owner());
- }
-
- ImageSync<> *create_request(Context *ctx) {
- return new ImageSync<>(m_local_image_ctx, m_remote_image_ctx,
- m_threads->timer, &m_threads->timer_lock,
- "mirror-uuid", m_remote_journaler, &m_client_meta,
- m_threads->work_queue, m_instance_watcher, ctx);
- }
-
- librbd::ImageCtx *m_remote_image_ctx;
- librbd::ImageCtx *m_local_image_ctx;
- rbd::mirror::InstanceWatcher<> *m_instance_watcher;
- ::journal::Journaler *m_remote_journaler;
- librbd::journal::MirrorPeerClientMeta m_client_meta;
-};
-
-TEST_F(TestImageSync, Empty) {
- C_SaferCond ctx;
- ImageSync<> *request = create_request(&ctx);
- request->send();
- ASSERT_EQ(0, ctx.wait());
-
- ASSERT_EQ(0U, m_client_meta.sync_points.size());
- ASSERT_EQ(0, m_remote_image_ctx->state->refresh());
- ASSERT_EQ(0U, m_remote_image_ctx->snap_ids.size());
- ASSERT_EQ(0, m_local_image_ctx->state->refresh());
- ASSERT_EQ(1U, m_local_image_ctx->snap_ids.size()); // deleted on journal replay
-}
-
-TEST_F(TestImageSync, Simple) {
- scribble(m_remote_image_ctx, 10, 102400);
-
- C_SaferCond ctx;
- ImageSync<> *request = create_request(&ctx);
- request->send();
- ASSERT_EQ(0, ctx.wait());
-
- int64_t object_size = std::min<int64_t>(
- m_remote_image_ctx->size, 1 << m_remote_image_ctx->order);
- bufferlist read_remote_bl;
- read_remote_bl.append(std::string(object_size, '1'));
- bufferlist read_local_bl;
- read_local_bl.append(std::string(object_size, '1'));
-
- for (uint64_t offset = 0; offset < m_remote_image_ctx->size;
- offset += object_size) {
- ASSERT_LE(0, m_remote_image_ctx->io_work_queue->read(
- offset, object_size,
- librbd::io::ReadResult{&read_remote_bl}, 0));
- ASSERT_LE(0, m_local_image_ctx->io_work_queue->read(
- offset, object_size,
- librbd::io::ReadResult{&read_local_bl}, 0));
- ASSERT_TRUE(read_remote_bl.contents_equal(read_local_bl));
- }
-}
-
-TEST_F(TestImageSync, Resize) {
- int64_t object_size = std::min<int64_t>(
- m_remote_image_ctx->size, 1 << m_remote_image_ctx->order);
-
- uint64_t off = 0;
- uint64_t len = object_size / 10;
-
- bufferlist bl;
- bl.append(std::string(len, '1'));
- ASSERT_EQ((int)len, m_remote_image_ctx->io_work_queue->write(off, len,
- std::move(bl),
- 0));
- {
- RWLock::RLocker owner_locker(m_remote_image_ctx->owner_lock);
- ASSERT_EQ(0, m_remote_image_ctx->flush());
- }
-
- ASSERT_EQ(0, create_snap(m_remote_image_ctx, "snap", nullptr));
-
- uint64_t size = object_size - 1;
- librbd::NoOpProgressContext no_op_progress_ctx;
- ASSERT_EQ(0, m_remote_image_ctx->operations->resize(size, true,
- no_op_progress_ctx));
-
- C_SaferCond ctx;
- ImageSync<> *request = create_request(&ctx);
- request->send();
- ASSERT_EQ(0, ctx.wait());
-
- bufferlist read_remote_bl;
- read_remote_bl.append(std::string(len, '\0'));
- bufferlist read_local_bl;
- read_local_bl.append(std::string(len, '\0'));
-
- ASSERT_LE(0, m_remote_image_ctx->io_work_queue->read(
- off, len, librbd::io::ReadResult{&read_remote_bl}, 0));
- ASSERT_LE(0, m_local_image_ctx->io_work_queue->read(
- off, len, librbd::io::ReadResult{&read_local_bl}, 0));
-
- ASSERT_TRUE(read_remote_bl.contents_equal(read_local_bl));
-}
-
-TEST_F(TestImageSync, Discard) {
- int64_t object_size = std::min<int64_t>(
- m_remote_image_ctx->size, 1 << m_remote_image_ctx->order);
-
- uint64_t off = 0;
- uint64_t len = object_size / 10;
-
- bufferlist bl;
- bl.append(std::string(len, '1'));
- ASSERT_EQ((int)len, m_remote_image_ctx->io_work_queue->write(off, len,
- std::move(bl),
- 0));
- {
- RWLock::RLocker owner_locker(m_remote_image_ctx->owner_lock);
- ASSERT_EQ(0, m_remote_image_ctx->flush());
- }
-
- ASSERT_EQ(0, create_snap(m_remote_image_ctx, "snap", nullptr));
-
- ASSERT_EQ((int)len - 2, m_remote_image_ctx->io_work_queue->discard(off + 1,
- len - 2, m_remote_image_ctx->skip_partial_discard));
- {
- RWLock::RLocker owner_locker(m_remote_image_ctx->owner_lock);
- ASSERT_EQ(0, m_remote_image_ctx->flush());
- }
-
- C_SaferCond ctx;
- ImageSync<> *request = create_request(&ctx);
- request->send();
- ASSERT_EQ(0, ctx.wait());
-
- bufferlist read_remote_bl;
- read_remote_bl.append(std::string(object_size, '\0'));
- bufferlist read_local_bl;
- read_local_bl.append(std::string(object_size, '\0'));
-
- ASSERT_LE(0, m_remote_image_ctx->io_work_queue->read(
- off, len, librbd::io::ReadResult{&read_remote_bl}, 0));
- ASSERT_LE(0, m_local_image_ctx->io_work_queue->read(
- off, len, librbd::io::ReadResult{&read_local_bl}, 0));
-
- ASSERT_TRUE(read_remote_bl.contents_equal(read_local_bl));
-}
-
-TEST_F(TestImageSync, SnapshotStress) {
- std::list<std::string> snap_names;
-
- const int num_snaps = 4;
- for (int idx = 0; idx <= num_snaps; ++idx) {
- scribble(m_remote_image_ctx, 10, 102400);
-
- librbd::NoOpProgressContext no_op_progress_ctx;
- uint64_t size = 1 + rand() % m_image_size;
- ASSERT_EQ(0, m_remote_image_ctx->operations->resize(size, true,
- no_op_progress_ctx));
- ASSERT_EQ(0, m_remote_image_ctx->state->refresh());
-
- if (idx < num_snaps) {
- snap_names.push_back("snap" + stringify(idx + 1));
- ASSERT_EQ(0, create_snap(m_remote_image_ctx, snap_names.back().c_str(),
- nullptr));
- } else {
- snap_names.push_back("");
- }
- }
-
- C_SaferCond ctx;
- ImageSync<> *request = create_request(&ctx);
- request->send();
- ASSERT_EQ(0, ctx.wait());
-
- int64_t object_size = std::min<int64_t>(
- m_remote_image_ctx->size, 1 << m_remote_image_ctx->order);
- bufferlist read_remote_bl;
- read_remote_bl.append(std::string(object_size, '1'));
- bufferlist read_local_bl;
- read_local_bl.append(std::string(object_size, '1'));
-
- for (auto &snap_name : snap_names) {
- uint64_t remote_size;
- {
- C_SaferCond ctx;
- m_remote_image_ctx->state->snap_set(cls::rbd::UserSnapshotNamespace(),
- snap_name,
- &ctx);
- ASSERT_EQ(0, ctx.wait());
-
- RWLock::RLocker remote_snap_locker(m_remote_image_ctx->snap_lock);
- remote_size = m_remote_image_ctx->get_image_size(
- m_remote_image_ctx->snap_id);
- }
-
- uint64_t local_size;
- {
- C_SaferCond ctx;
- m_local_image_ctx->state->snap_set(cls::rbd::UserSnapshotNamespace(),
- snap_name,
- &ctx);
- ASSERT_EQ(0, ctx.wait());
-
- RWLock::RLocker snap_locker(m_local_image_ctx->snap_lock);
- local_size = m_local_image_ctx->get_image_size(
- m_local_image_ctx->snap_id);
- bool flags_set;
- ASSERT_EQ(0, m_local_image_ctx->test_flags(RBD_FLAG_OBJECT_MAP_INVALID,
- m_local_image_ctx->snap_lock,
- &flags_set));
- ASSERT_FALSE(flags_set);
- }
-
- ASSERT_EQ(remote_size, local_size);
-
- for (uint64_t offset = 0; offset < remote_size; offset += object_size) {
- ASSERT_LE(0, m_remote_image_ctx->io_work_queue->read(
- offset, object_size,
- librbd::io::ReadResult{&read_remote_bl}, 0));
- ASSERT_LE(0, m_local_image_ctx->io_work_queue->read(
- offset, object_size,
- librbd::io::ReadResult{&read_local_bl}, 0));
- ASSERT_TRUE(read_remote_bl.contents_equal(read_local_bl));
- }
- }
-}
-
-} // namespace mirror
-} // namespace rbd
Code Review / stor4nfv.git / blobdiff