+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph distributed storage system
- *
- * Copyright (C) 2016 Mirantis Inc
- *
- * Author: Mykola Golub <mgolub@mirantis.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- */
-
-#include "include/rados/librados.hpp"
-#include "include/rbd/librbd.hpp"
-#include "include/stringify.h"
-#include "test/rbd_mirror/test_fixture.h"
-#include "cls/journal/cls_journal_types.h"
-#include "cls/journal/cls_journal_client.h"
-#include "cls/rbd/cls_rbd_types.h"
-#include "cls/rbd/cls_rbd_client.h"
-#include "journal/Journaler.h"
-#include "librbd/ExclusiveLock.h"
-#include "librbd/ImageCtx.h"
-#include "librbd/ImageState.h"
-#include "librbd/Journal.h"
-#include "librbd/Operations.h"
-#include "librbd/Utils.h"
-#include "librbd/internal.h"
-#include "librbd/api/Mirror.h"
-#include "librbd/io/AioCompletion.h"
-#include "librbd/io/ImageRequestWQ.h"
-#include "librbd/io/ReadResult.h"
-#include "tools/rbd_mirror/types.h"
-#include "tools/rbd_mirror/ImageDeleter.h"
-#include "tools/rbd_mirror/ImageReplayer.h"
-#include "tools/rbd_mirror/InstanceWatcher.h"
-#include "tools/rbd_mirror/ServiceDaemon.h"
-#include "tools/rbd_mirror/Threads.h"
-
-#include "test/librados/test.h"
-#include "gtest/gtest.h"
-
-using rbd::mirror::RadosRef;
-
-void register_test_rbd_mirror() {
-}
-
-#define TEST_IO_SIZE 512
-#define TEST_IO_COUNT 11
-
-class TestImageReplayer : public ::rbd::mirror::TestFixture {
-public:
- struct C_WatchCtx : public librados::WatchCtx2 {
- TestImageReplayer *test;
- std::string oid;
- Mutex lock;
- Cond cond;
- bool notified;
-
- C_WatchCtx(TestImageReplayer *test, const std::string &oid)
- : test(test), oid(oid), lock("C_WatchCtx::lock"), notified(false) {
- }
-
- void handle_notify(uint64_t notify_id, uint64_t cookie,
- uint64_t notifier_id, bufferlist& bl_) override {
- bufferlist bl;
- test->m_remote_ioctx.notify_ack(oid, notify_id, cookie, bl);
-
- Mutex::Locker locker(lock);
- notified = true;
- cond.Signal();
- }
-
- void handle_error(uint64_t cookie, int err) override {
- ASSERT_EQ(0, err);
- }
- };
-
- TestImageReplayer()
- : m_local_cluster(new librados::Rados()), m_watch_handle(0)
- {
- EXPECT_EQ("", connect_cluster_pp(*m_local_cluster.get()));
- EXPECT_EQ(0, m_local_cluster->conf_set("rbd_cache", "false"));
- EXPECT_EQ(0, m_local_cluster->conf_set("rbd_mirror_journal_poll_age", "1"));
-
- m_local_pool_name = get_temp_pool_name();
- EXPECT_EQ(0, m_local_cluster->pool_create(m_local_pool_name.c_str()));
- EXPECT_EQ(0, m_local_cluster->ioctx_create(m_local_pool_name.c_str(),
- m_local_ioctx));
- m_local_ioctx.application_enable("rbd", true);
-
- EXPECT_EQ("", connect_cluster_pp(m_remote_cluster));
- EXPECT_EQ(0, m_remote_cluster.conf_set("rbd_cache", "false"));
-
- m_remote_pool_name = get_temp_pool_name();
- EXPECT_EQ(0, m_remote_cluster.pool_create(m_remote_pool_name.c_str()));
- m_remote_pool_id = m_remote_cluster.pool_lookup(m_remote_pool_name.c_str());
- EXPECT_GE(m_remote_pool_id, 0);
-
- EXPECT_EQ(0, m_remote_cluster.ioctx_create(m_remote_pool_name.c_str(),
- m_remote_ioctx));
- m_remote_ioctx.application_enable("rbd", true);
-
- EXPECT_EQ(0, librbd::api::Mirror<>::mode_set(m_remote_ioctx,
- RBD_MIRROR_MODE_POOL));
-
- m_image_name = get_temp_image_name();
- uint64_t features = librbd::util::get_rbd_default_features(g_ceph_context);
- features |= RBD_FEATURE_EXCLUSIVE_LOCK | RBD_FEATURE_JOURNALING;
- int order = 0;
- EXPECT_EQ(0, librbd::create(m_remote_ioctx, m_image_name.c_str(), 1 << 22,
- false, features, &order, 0, 0));
- m_remote_image_id = get_image_id(m_remote_ioctx, m_image_name);
- m_global_image_id = get_global_image_id(m_remote_ioctx, m_remote_image_id);
-
- m_threads.reset(new rbd::mirror::Threads<>(reinterpret_cast<CephContext*>(
- m_local_ioctx.cct())));
-
- m_service_daemon.reset(new rbd::mirror::ServiceDaemon<>(g_ceph_context,
- m_local_cluster,
- m_threads.get()));
- m_image_deleter.reset(new rbd::mirror::ImageDeleter<>(
- m_threads->work_queue, m_threads->timer, &m_threads->timer_lock,
- m_service_daemon.get()));
- m_instance_watcher = rbd::mirror::InstanceWatcher<>::create(
- m_local_ioctx, m_threads->work_queue, nullptr);
- m_instance_watcher->handle_acquire_leader();
- }
-
- ~TestImageReplayer() override
- {
- unwatch();
-
- m_instance_watcher->handle_release_leader();
-
- delete m_replayer;
- delete m_instance_watcher;
-
- EXPECT_EQ(0, m_remote_cluster.pool_delete(m_remote_pool_name.c_str()));
- EXPECT_EQ(0, m_local_cluster->pool_delete(m_local_pool_name.c_str()));
- }
-
- template <typename ImageReplayerT = rbd::mirror::ImageReplayer<> >
- void create_replayer() {
- m_replayer = new ImageReplayerT(
- m_threads.get(), m_image_deleter.get(), m_instance_watcher,
- rbd::mirror::RadosRef(new librados::Rados(m_local_ioctx)),
- m_local_mirror_uuid, m_local_ioctx.get_id(), m_global_image_id);
- m_replayer->add_peer("peer uuid", m_remote_ioctx);
- }
-
- void start()
- {
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(0, cond.wait());
-
- ASSERT_EQ(0U, m_watch_handle);
- std::string oid = ::journal::Journaler::header_oid(m_remote_image_id);
- m_watch_ctx = new C_WatchCtx(this, oid);
- ASSERT_EQ(0, m_remote_ioctx.watch2(oid, &m_watch_handle, m_watch_ctx));
- }
-
- void unwatch() {
- if (m_watch_handle != 0) {
- m_remote_ioctx.unwatch2(m_watch_handle);
- delete m_watch_ctx;
- m_watch_ctx = nullptr;
- m_watch_handle = 0;
- }
- }
-
- void stop()
- {
- unwatch();
-
- C_SaferCond cond;
- m_replayer->stop(&cond);
- ASSERT_EQ(0, cond.wait());
- }
-
- void bootstrap()
- {
- create_replayer<>();
-
- start();
- wait_for_replay_complete();
- stop();
- }
-
- std::string get_temp_image_name()
- {
- return "image" + stringify(++_image_number);
- }
-
- std::string get_image_id(librados::IoCtx &ioctx, const string &image_name)
- {
- std::string obj = librbd::util::id_obj_name(image_name);
- std::string id;
- EXPECT_EQ(0, librbd::cls_client::get_id(&ioctx, obj, &id));
- return id;
- }
-
- std::string get_global_image_id(librados::IoCtx& io_ctx,
- const std::string& image_id) {
- cls::rbd::MirrorImage mirror_image;
- EXPECT_EQ(0, librbd::cls_client::mirror_image_get(&io_ctx, image_id,
- &mirror_image));
- return mirror_image.global_image_id;
- }
-
- void open_image(librados::IoCtx &ioctx, const std::string &image_name,
- bool readonly, librbd::ImageCtx **ictxp)
- {
- librbd::ImageCtx *ictx = new librbd::ImageCtx(image_name.c_str(),
- "", "", ioctx, readonly);
- EXPECT_EQ(0, ictx->state->open(false));
- *ictxp = ictx;
- }
-
- void open_local_image(librbd::ImageCtx **ictxp)
- {
- open_image(m_local_ioctx, m_image_name, true, ictxp);
- }
-
- void open_remote_image(librbd::ImageCtx **ictxp)
- {
- open_image(m_remote_ioctx, m_image_name, false, ictxp);
- }
-
- void close_image(librbd::ImageCtx *ictx)
- {
- ictx->state->close();
- }
-
- void get_commit_positions(cls::journal::ObjectPosition *master_position,
- cls::journal::ObjectPosition *mirror_position)
- {
- std::string master_client_id = "";
- std::string mirror_client_id = m_local_mirror_uuid;
-
- C_SaferCond cond;
- uint64_t minimum_set;
- uint64_t active_set;
- std::set<cls::journal::Client> registered_clients;
- std::string oid = ::journal::Journaler::header_oid(m_remote_image_id);
- cls::journal::client::get_mutable_metadata(m_remote_ioctx, oid,
- &minimum_set, &active_set,
- ®istered_clients, &cond);
- ASSERT_EQ(0, cond.wait());
-
- *master_position = cls::journal::ObjectPosition();
- *mirror_position = cls::journal::ObjectPosition();
-
- std::set<cls::journal::Client>::const_iterator c;
- for (c = registered_clients.begin(); c != registered_clients.end(); ++c) {
- std::cout << __func__ << ": client: " << *c << std::endl;
- if (c->state != cls::journal::CLIENT_STATE_CONNECTED) {
- continue;
- }
- cls::journal::ObjectPositions object_positions =
- c->commit_position.object_positions;
- cls::journal::ObjectPositions::const_iterator p =
- object_positions.begin();
- if (p != object_positions.end()) {
- if (c->id == master_client_id) {
- ASSERT_EQ(cls::journal::ObjectPosition(), *master_position);
- *master_position = *p;
- } else if (c->id == mirror_client_id) {
- ASSERT_EQ(cls::journal::ObjectPosition(), *mirror_position);
- *mirror_position = *p;
- }
- }
- }
- }
-
- bool wait_for_watcher_notify(int seconds)
- {
- if (m_watch_handle == 0) {
- return false;
- }
-
- Mutex::Locker locker(m_watch_ctx->lock);
- while (!m_watch_ctx->notified) {
- if (m_watch_ctx->cond.WaitInterval(m_watch_ctx->lock,
- utime_t(seconds, 0)) != 0) {
- return false;
- }
- }
- m_watch_ctx->notified = false;
- return true;
- }
-
- void wait_for_replay_complete()
- {
- cls::journal::ObjectPosition master_position;
- cls::journal::ObjectPosition mirror_position;
-
- for (int i = 0; i < 100; i++) {
- printf("m_replayer->flush()\n");
- C_SaferCond cond;
- m_replayer->flush(&cond);
- ASSERT_EQ(0, cond.wait());
- get_commit_positions(&master_position, &mirror_position);
- if (master_position == mirror_position) {
- break;
- }
- wait_for_watcher_notify(1);
- }
-
- ASSERT_EQ(master_position, mirror_position);
- }
-
- void wait_for_stopped() {
- for (int i = 0; i < 100; i++) {
- if (m_replayer->is_stopped()) {
- break;
- }
- wait_for_watcher_notify(1);
- }
- ASSERT_TRUE(m_replayer->is_stopped());
- }
-
- void write_test_data(librbd::ImageCtx *ictx, const char *test_data, off_t off,
- size_t len)
- {
- size_t written;
- bufferlist bl;
- bl.append(std::string(test_data, len));
- written = ictx->io_work_queue->write(off, len, std::move(bl), 0);
- printf("wrote: %d\n", (int)written);
- ASSERT_EQ(len, written);
- }
-
- void read_test_data(librbd::ImageCtx *ictx, const char *expected, off_t off,
- size_t len)
- {
- ssize_t read;
- char *result = (char *)malloc(len + 1);
-
- ASSERT_NE(static_cast<char *>(NULL), result);
- read = ictx->io_work_queue->read(
- off, len, librbd::io::ReadResult{result, len}, 0);
- printf("read: %d\n", (int)read);
- ASSERT_EQ(len, static_cast<size_t>(read));
- result[len] = '\0';
- if (memcmp(result, expected, len)) {
- printf("read: %s\nexpected: %s\n", result, expected);
- ASSERT_EQ(0, memcmp(result, expected, len));
- }
- free(result);
- }
-
- void generate_test_data() {
- for (int i = 0; i < TEST_IO_SIZE; ++i) {
- m_test_data[i] = (char) (rand() % (126 - 33) + 33);
- }
- m_test_data[TEST_IO_SIZE] = '\0';
- }
-
- void flush(librbd::ImageCtx *ictx)
- {
- C_SaferCond aio_flush_ctx;
- auto c = librbd::io::AioCompletion::create(&aio_flush_ctx);
- c->get();
- ictx->io_work_queue->aio_flush(c);
- ASSERT_EQ(0, c->wait_for_complete());
- c->put();
-
- C_SaferCond journal_flush_ctx;
- ictx->journal->flush_commit_position(&journal_flush_ctx);
- ASSERT_EQ(0, journal_flush_ctx.wait());
-
- printf("flushed\n");
- }
-
- static int _image_number;
-
- std::shared_ptr<librados::Rados> m_local_cluster;
- std::unique_ptr<rbd::mirror::Threads<>> m_threads;
- std::unique_ptr<rbd::mirror::ServiceDaemon<>> m_service_daemon;
- std::unique_ptr<rbd::mirror::ImageDeleter<>> m_image_deleter;
- librados::Rados m_remote_cluster;
- rbd::mirror::InstanceWatcher<> *m_instance_watcher;
- std::string m_local_mirror_uuid = "local mirror uuid";
- std::string m_remote_mirror_uuid = "remote mirror uuid";
- std::string m_local_pool_name, m_remote_pool_name;
- librados::IoCtx m_local_ioctx, m_remote_ioctx;
- std::string m_image_name;
- int64_t m_remote_pool_id;
- std::string m_remote_image_id;
- std::string m_global_image_id;
- rbd::mirror::ImageReplayer<> *m_replayer;
- C_WatchCtx *m_watch_ctx;
- uint64_t m_watch_handle;
- char m_test_data[TEST_IO_SIZE + 1];
-};
-
-int TestImageReplayer::_image_number;
-
-TEST_F(TestImageReplayer, Bootstrap)
-{
- bootstrap();
-}
-
-TEST_F(TestImageReplayer, BootstrapErrorLocalImageExists)
-{
- int order = 0;
- EXPECT_EQ(0, librbd::create(m_local_ioctx, m_image_name.c_str(), 1 << 22,
- false, 0, &order, 0, 0));
-
- create_replayer<>();
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(-EEXIST, cond.wait());
-}
-
-TEST_F(TestImageReplayer, BootstrapErrorNoJournal)
-{
- ASSERT_EQ(0, librbd::Journal<>::remove(m_remote_ioctx, m_remote_image_id));
-
- create_replayer<>();
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(-ENOENT, cond.wait());
-}
-
-TEST_F(TestImageReplayer, BootstrapErrorMirrorDisabled)
-{
- // disable remote image mirroring
- ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_remote_ioctx,
- RBD_MIRROR_MODE_IMAGE));
- librbd::ImageCtx *ictx;
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::api::Mirror<>::image_disable(ictx, true));
- close_image(ictx);
-
- create_replayer<>();
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(-ENOENT, cond.wait());
-}
-
-TEST_F(TestImageReplayer, BootstrapMirrorDisabling)
-{
- // set remote image mirroring state to DISABLING
- ASSERT_EQ(0, librbd::api::Mirror<>::mode_set(m_remote_ioctx,
- RBD_MIRROR_MODE_IMAGE));
- librbd::ImageCtx *ictx;
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::api::Mirror<>::image_enable(ictx, false));
- cls::rbd::MirrorImage mirror_image;
- ASSERT_EQ(0, librbd::cls_client::mirror_image_get(&m_remote_ioctx, ictx->id,
- &mirror_image));
- mirror_image.state = cls::rbd::MirrorImageState::MIRROR_IMAGE_STATE_DISABLING;
- ASSERT_EQ(0, librbd::cls_client::mirror_image_set(&m_remote_ioctx, ictx->id,
- mirror_image));
- close_image(ictx);
-
- create_replayer<>();
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(-EREMOTEIO, cond.wait());
- ASSERT_TRUE(m_replayer->is_stopped());
-}
-
-TEST_F(TestImageReplayer, BootstrapDemoted)
-{
- // demote remote image
- librbd::ImageCtx *ictx;
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::api::Mirror<>::image_demote(ictx));
- close_image(ictx);
-
- create_replayer<>();
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(-EREMOTEIO, cond.wait());
- ASSERT_TRUE(m_replayer->is_stopped());
-}
-
-TEST_F(TestImageReplayer, StartInterrupted)
-{
- create_replayer<>();
- C_SaferCond start_cond, stop_cond;
- m_replayer->start(&start_cond);
- m_replayer->stop(&stop_cond);
- int r = start_cond.wait();
- printf("start returned %d\n", r);
- // TODO: improve the test to avoid this race
- ASSERT_TRUE(r == -ECANCELED || r == 0);
- ASSERT_EQ(0, stop_cond.wait());
-}
-
-TEST_F(TestImageReplayer, JournalReset)
-{
- bootstrap();
- delete m_replayer;
-
- ASSERT_EQ(0, librbd::Journal<>::reset(m_remote_ioctx, m_remote_image_id));
-
- // try to recover
- bootstrap();
-}
-
-TEST_F(TestImageReplayer, ErrorNoJournal)
-{
- bootstrap();
-
- // disable remote journal journaling
- // (reset before disabling, so it does not fail with EBUSY)
- ASSERT_EQ(0, librbd::Journal<>::reset(m_remote_ioctx, m_remote_image_id));
- librbd::ImageCtx *ictx;
- open_remote_image(&ictx);
- uint64_t features;
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0, ictx->operations->update_features(RBD_FEATURE_JOURNALING,
- false));
- close_image(ictx);
-
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(0, cond.wait());
-}
-
-TEST_F(TestImageReplayer, StartStop)
-{
- bootstrap();
-
- start();
- wait_for_replay_complete();
- stop();
-}
-
-TEST_F(TestImageReplayer, WriteAndStartReplay)
-{
- bootstrap();
-
- // Write to remote image and start replay
-
- librbd::ImageCtx *ictx;
-
- generate_test_data();
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- start();
- wait_for_replay_complete();
- stop();
-
- open_local_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-}
-
-TEST_F(TestImageReplayer, StartReplayAndWrite)
-{
- bootstrap();
-
- // Start replay and write to remote image
-
- librbd::ImageCtx *ictx;
-
- start();
-
- generate_test_data();
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
-
- wait_for_replay_complete();
-
- for (int i = TEST_IO_COUNT; i < 2 * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < 2 * TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, NextTag)
-{
- bootstrap();
-
- // write, reopen, and write again to test switch to the next tag
-
- librbd::ImageCtx *ictx;
-
- start();
-
- generate_test_data();
-
- const int N = 10;
-
- for (int j = 0; j < N; j++) {
- open_remote_image(&ictx);
- for (int i = j * TEST_IO_COUNT; i < (j + 1) * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
- }
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < N * TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, Resync)
-{
- bootstrap();
-
- librbd::ImageCtx *ictx;
-
- start();
-
- generate_test_data();
-
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
-
- wait_for_replay_complete();
-
- for (int i = TEST_IO_COUNT; i < 2 * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- C_SaferCond ctx;
- m_replayer->resync_image(&ctx);
- ASSERT_EQ(0, ctx.wait());
-
- C_SaferCond delete_ctx;
- m_image_deleter->wait_for_scheduled_deletion(
- m_local_ioctx.get_id(), m_replayer->get_global_image_id(), &delete_ctx);
- EXPECT_EQ(0, delete_ctx.wait());
-
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(0, cond.wait());
-
- ASSERT_TRUE(m_replayer->is_replaying());
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < 2 * TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, Resync_While_Stop)
-{
-
- bootstrap();
-
- start();
-
- generate_test_data();
-
- librbd::ImageCtx *ictx;
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
-
- wait_for_replay_complete();
-
- for (int i = TEST_IO_COUNT; i < 2 * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- C_SaferCond cond;
- m_replayer->stop(&cond);
- ASSERT_EQ(0, cond.wait());
-
- open_local_image(&ictx);
- librbd::Journal<>::request_resync(ictx);
- close_image(ictx);
-
- C_SaferCond cond2;
- m_replayer->start(&cond2);
- ASSERT_EQ(0, cond2.wait());
-
- ASSERT_TRUE(m_replayer->is_stopped());
-
- C_SaferCond delete_ctx;
- m_image_deleter->wait_for_scheduled_deletion(
- m_local_ioctx.get_id(), m_replayer->get_global_image_id(), &delete_ctx);
- EXPECT_EQ(0, delete_ctx.wait());
-
- C_SaferCond cond3;
- m_replayer->start(&cond3);
- ASSERT_EQ(0, cond3.wait());
-
- ASSERT_TRUE(m_replayer->is_replaying());
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < 2 * TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, Resync_StartInterrupted)
-{
-
- bootstrap();
-
- librbd::ImageCtx *ictx;
- open_local_image(&ictx);
- librbd::Journal<>::request_resync(ictx);
- close_image(ictx);
-
- C_SaferCond cond;
- m_replayer->start(&cond);
- ASSERT_EQ(0, cond.wait());
-
- ASSERT_TRUE(m_replayer->is_stopped());
-
- C_SaferCond delete_ctx;
- m_image_deleter->wait_for_scheduled_deletion(
- m_local_ioctx.get_id(), m_replayer->get_global_image_id(), &delete_ctx);
- EXPECT_EQ(0, delete_ctx.wait());
-
- C_SaferCond cond2;
- m_replayer->start(&cond2);
- ASSERT_EQ(0, cond2.wait());
-
- ASSERT_EQ(0U, m_watch_handle);
- std::string oid = ::journal::Journaler::header_oid(m_remote_image_id);
- m_watch_ctx = new C_WatchCtx(this, oid);
- ASSERT_EQ(0, m_remote_ioctx.watch2(oid, &m_watch_handle, m_watch_ctx));
-
- ASSERT_TRUE(m_replayer->is_replaying());
-
- generate_test_data();
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
-
- wait_for_replay_complete();
-
- for (int i = TEST_IO_COUNT; i < 2 * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < 2 * TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, MultipleReplayFailures_SingleEpoch) {
- bootstrap();
-
- // inject a snapshot that cannot be unprotected
- librbd::ImageCtx *ictx;
- open_image(m_local_ioctx, m_image_name, false, &ictx);
- ictx->features &= ~RBD_FEATURE_JOURNALING;
- ASSERT_EQ(0, ictx->operations->snap_create(cls::rbd::UserSnapshotNamespace(),
- "foo"));
- ASSERT_EQ(0, ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(),
- "foo"));
- ASSERT_EQ(0, librbd::cls_client::add_child(&ictx->md_ctx, RBD_CHILDREN,
- {ictx->md_ctx.get_id(),
- ictx->id,
- ictx->snap_ids[{cls::rbd::UserSnapshotNamespace(), "foo"}]},
- "dummy child id"));
- close_image(ictx);
-
- // race failed op shut down with new ops
- open_remote_image(&ictx);
- for (uint64_t i = 0; i < 10; ++i) {
- RWLock::RLocker owner_locker(ictx->owner_lock);
- C_SaferCond request_lock;
- ictx->exclusive_lock->acquire_lock(&request_lock);
- ASSERT_EQ(0, request_lock.wait());
-
- C_SaferCond append_ctx;
- ictx->journal->append_op_event(
- i,
- librbd::journal::EventEntry{
- librbd::journal::SnapUnprotectEvent{i,
- cls::rbd::UserSnapshotNamespace(),
- "foo"}},
- &append_ctx);
- ASSERT_EQ(0, append_ctx.wait());
-
- C_SaferCond commit_ctx;
- ictx->journal->commit_op_event(i, 0, &commit_ctx);
- ASSERT_EQ(0, commit_ctx.wait());
-
- C_SaferCond release_ctx;
- ictx->exclusive_lock->release_lock(&release_ctx);
- ASSERT_EQ(0, release_ctx.wait());
- }
-
- for (uint64_t i = 0; i < 5; ++i) {
- start();
- wait_for_stopped();
- unwatch();
- }
- close_image(ictx);
-}
-
-TEST_F(TestImageReplayer, MultipleReplayFailures_MultiEpoch) {
- bootstrap();
-
- // inject a snapshot that cannot be unprotected
- librbd::ImageCtx *ictx;
- open_image(m_local_ioctx, m_image_name, false, &ictx);
- ictx->features &= ~RBD_FEATURE_JOURNALING;
- ASSERT_EQ(0, ictx->operations->snap_create(cls::rbd::UserSnapshotNamespace(),
- "foo"));
- ASSERT_EQ(0, ictx->operations->snap_protect(cls::rbd::UserSnapshotNamespace(),
- "foo"));
- ASSERT_EQ(0, librbd::cls_client::add_child(&ictx->md_ctx, RBD_CHILDREN,
- {ictx->md_ctx.get_id(),
- ictx->id,
- ictx->snap_ids[{cls::rbd::UserSnapshotNamespace(),
- "foo"}]},
- "dummy child id"));
- close_image(ictx);
-
- // race failed op shut down with new tag flush
- open_remote_image(&ictx);
- {
- RWLock::RLocker owner_locker(ictx->owner_lock);
- C_SaferCond request_lock;
- ictx->exclusive_lock->acquire_lock(&request_lock);
- ASSERT_EQ(0, request_lock.wait());
-
- C_SaferCond append_ctx;
- ictx->journal->append_op_event(
- 1U,
- librbd::journal::EventEntry{
- librbd::journal::SnapUnprotectEvent{1U,
- cls::rbd::UserSnapshotNamespace(),
- "foo"}},
- &append_ctx);
- ASSERT_EQ(0, append_ctx.wait());
-
- C_SaferCond commit_ctx;
- ictx->journal->commit_op_event(1U, 0, &commit_ctx);
- ASSERT_EQ(0, commit_ctx.wait());
-
- C_SaferCond release_ctx;
- ictx->exclusive_lock->release_lock(&release_ctx);
- ASSERT_EQ(0, release_ctx.wait());
- }
-
- generate_test_data();
- write_test_data(ictx, m_test_data, 0, TEST_IO_SIZE);
-
- for (uint64_t i = 0; i < 5; ++i) {
- start();
- wait_for_stopped();
- unwatch();
- }
- close_image(ictx);
-}
-
-TEST_F(TestImageReplayer, Disconnect)
-{
- bootstrap();
-
- // Make sure rbd_mirroring_resync_after_disconnect is not set
- EXPECT_EQ(0, m_local_cluster->conf_set("rbd_mirroring_resync_after_disconnect", "false"));
-
- // Test start fails if disconnected
-
- librbd::ImageCtx *ictx;
-
- generate_test_data();
- open_remote_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- std::string oid = ::journal::Journaler::header_oid(m_remote_image_id);
- ASSERT_EQ(0, cls::journal::client::client_update_state(m_remote_ioctx, oid,
- m_local_mirror_uuid, cls::journal::CLIENT_STATE_DISCONNECTED));
-
- C_SaferCond cond1;
- m_replayer->start(&cond1);
- ASSERT_EQ(-ENOTCONN, cond1.wait());
-
- // Test start succeeds after resync
-
- open_local_image(&ictx);
- librbd::Journal<>::request_resync(ictx);
- close_image(ictx);
- C_SaferCond cond2;
- m_replayer->start(&cond2);
- ASSERT_EQ(0, cond2.wait());
- C_SaferCond delete_cond;
- m_image_deleter->wait_for_scheduled_deletion(
- m_local_ioctx.get_id(), m_replayer->get_global_image_id(), &delete_cond);
- EXPECT_EQ(0, delete_cond.wait());
-
- start();
- wait_for_replay_complete();
-
- // Test replay stopped after disconnect
-
- open_remote_image(&ictx);
- for (int i = TEST_IO_COUNT; i < 2 * TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- ASSERT_EQ(0, cls::journal::client::client_update_state(m_remote_ioctx, oid,
- m_local_mirror_uuid, cls::journal::CLIENT_STATE_DISCONNECTED));
- bufferlist bl;
- ASSERT_EQ(0, m_remote_ioctx.notify2(oid, bl, 5000, NULL));
-
- wait_for_stopped();
-
- // Test start fails after disconnect
-
- C_SaferCond cond3;
- m_replayer->start(&cond3);
- ASSERT_EQ(-ENOTCONN, cond3.wait());
- C_SaferCond cond4;
- m_replayer->start(&cond4);
- ASSERT_EQ(-ENOTCONN, cond4.wait());
-
- // Test automatic resync if rbd_mirroring_resync_after_disconnect is set
-
- EXPECT_EQ(0, m_local_cluster->conf_set("rbd_mirroring_resync_after_disconnect", "true"));
-
- // Resync is flagged on first start attempt
- C_SaferCond cond5;
- m_replayer->start(&cond5);
- ASSERT_EQ(-ENOTCONN, cond5.wait());
- C_SaferCond delete_cond1;
- m_image_deleter->wait_for_scheduled_deletion(
- m_local_ioctx.get_id(), m_replayer->get_global_image_id(), &delete_cond1);
- EXPECT_EQ(0, delete_cond1.wait());
-
- C_SaferCond cond6;
- m_replayer->start(&cond6);
- ASSERT_EQ(0, cond6.wait());
- wait_for_replay_complete();
-
- stop();
-}
-
-TEST_F(TestImageReplayer, UpdateFeatures)
-{
- const uint64_t FEATURES_TO_UPDATE =
- RBD_FEATURE_OBJECT_MAP | RBD_FEATURE_FAST_DIFF;
-
- uint64_t features;
- librbd::ImageCtx *ictx;
-
- // Make sure the features we will update are disabled initially
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- features &= FEATURES_TO_UPDATE;
- if (features) {
- ASSERT_EQ(0, ictx->operations->update_features(FEATURES_TO_UPDATE,
- false));
- }
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0U, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- bootstrap();
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0U, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- open_local_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0U, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- // Start replay and update features
-
- start();
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, ictx->operations->update_features(FEATURES_TO_UPDATE,
- true));
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(FEATURES_TO_UPDATE, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(FEATURES_TO_UPDATE, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, ictx->operations->update_features(FEATURES_TO_UPDATE,
- false));
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0U, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_EQ(0U, features & FEATURES_TO_UPDATE);
- close_image(ictx);
-
- // Test update_features error does not stop replication
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, librbd::get_features(ictx, &features));
- ASSERT_NE(0U, features & RBD_FEATURE_EXCLUSIVE_LOCK);
- ASSERT_EQ(-EINVAL, ictx->operations->update_features(RBD_FEATURE_EXCLUSIVE_LOCK,
- false));
- generate_test_data();
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- read_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, MetadataSetRemove)
-{
- const std::string KEY = "test_key";
- const std::string VALUE = "test_value";
-
- librbd::ImageCtx *ictx;
- std::string value;
-
- bootstrap();
-
- start();
-
- // Test metadata_set replication
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, ictx->operations->metadata_set(KEY, VALUE));
- value.clear();
- ASSERT_EQ(0, librbd::metadata_get(ictx, KEY, &value));
- ASSERT_EQ(VALUE, value);
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- value.clear();
- ASSERT_EQ(0, librbd::metadata_get(ictx, KEY, &value));
- ASSERT_EQ(VALUE, value);
- close_image(ictx);
-
- // Test metadata_remove replication
-
- open_remote_image(&ictx);
- ASSERT_EQ(0, ictx->operations->metadata_remove(KEY));
- ASSERT_EQ(-ENOENT, librbd::metadata_get(ictx, KEY, &value));
- close_image(ictx);
-
- wait_for_replay_complete();
-
- open_local_image(&ictx);
- ASSERT_EQ(-ENOENT, librbd::metadata_get(ictx, KEY, &value));
- close_image(ictx);
-
- stop();
-}
-
-TEST_F(TestImageReplayer, MirroringDelay)
-{
- const double DELAY = 10; // set less than wait_for_replay_complete timeout
-
- librbd::ImageCtx *ictx;
- utime_t start_time;
- double delay;
-
- bootstrap();
-
- ASSERT_EQ(0, m_local_cluster->conf_set("rbd_mirroring_replay_delay",
- stringify(DELAY).c_str()));
- open_local_image(&ictx);
- ASSERT_EQ(DELAY, ictx->mirroring_replay_delay);
- close_image(ictx);
-
- start();
-
- // Test delay
-
- generate_test_data();
- open_remote_image(&ictx);
- start_time = ceph_clock_now();
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- flush(ictx);
- close_image(ictx);
-
- wait_for_replay_complete();
- delay = ceph_clock_now() - start_time;
- ASSERT_GE(delay, DELAY);
-
- // Test stop when delaying replay
-
- open_remote_image(&ictx);
- start_time = ceph_clock_now();
- for (int i = 0; i < TEST_IO_COUNT; ++i) {
- write_test_data(ictx, m_test_data, TEST_IO_SIZE * i, TEST_IO_SIZE);
- }
- close_image(ictx);
-
- sleep(DELAY / 2);
- stop();
- start();
-
- wait_for_replay_complete();
- delay = ceph_clock_now() - start_time;
- ASSERT_GE(delay, DELAY);
-
- stop();
-}
Code Review / stor4nfv.git / blobdiff