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-rw-r--r--src/test/rbd_mirror/test_ImageDeleter.cc313
1 files changed, 313 insertions, 0 deletions
diff --git a/src/test/rbd_mirror/test_ImageDeleter.cc b/src/test/rbd_mirror/test_ImageDeleter.cc
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+++ b/src/test/rbd_mirror/test_ImageDeleter.cc
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+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+/*
+ * Ceph - scalable distributed file system
+ *
+ * Copyright (C) 2016 SUSE LINUX GmbH
+ *
+ * This is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software
+ * Foundation. See file COPYING.
+ *
+ */
+#include "include/rados/librados.hpp"
+#include "include/rbd/librbd.hpp"
+#include "include/stringify.h"
+#include "cls/rbd/cls_rbd_types.h"
+#include "cls/rbd/cls_rbd_client.h"
+#include "tools/rbd_mirror/ImageDeleter.h"
+#include "tools/rbd_mirror/ServiceDaemon.h"
+#include "tools/rbd_mirror/Threads.h"
+#include "tools/rbd_mirror/Throttler.h"
+#include "tools/rbd_mirror/Types.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/ImageState.h"
+#include "librbd/Operations.h"
+#include "librbd/Journal.h"
+#include "librbd/internal.h"
+#include "librbd/Utils.h"
+#include "librbd/api/Image.h"
+#include "librbd/api/Mirror.h"
+#include "librbd/journal/DisabledPolicy.h"
+#include "test/rbd_mirror/test_fixture.h"
+
+#include "test/librados/test.h"
+#include "gtest/gtest.h"
+
+#define GLOBAL_IMAGE_ID "global_image_id"
+#define GLOBAL_CLONE_IMAGE_ID "global_image_id_clone"
+
+#define dout_subsys ceph_subsys_rbd_mirror
+
+using rbd::mirror::RadosRef;
+using rbd::mirror::TestFixture;
+using namespace librbd;
+using cls::rbd::MirrorImageMode;
+using cls::rbd::MirrorImageState;
+
+
+void register_test_rbd_mirror_image_deleter() {
+}
+
+class TestImageDeleter : public TestFixture {
+public:
+ const std::string m_local_mirror_uuid = "local mirror uuid";
+ const std::string m_remote_mirror_uuid = "remote mirror uuid";
+
+ void SetUp() override {
+ TestFixture::SetUp();
+
+ m_image_deletion_throttler.reset(
+ new rbd::mirror::Throttler<>(g_ceph_context,
+ "rbd_mirror_concurrent_image_deletions"));
+
+ m_service_daemon.reset(new rbd::mirror::ServiceDaemon<>(g_ceph_context,
+ _rados, m_threads));
+
+ librbd::api::Mirror<>::mode_set(m_local_io_ctx, RBD_MIRROR_MODE_IMAGE);
+
+ m_deleter = new rbd::mirror::ImageDeleter<>(
+ m_local_io_ctx, m_threads, m_image_deletion_throttler.get(),
+ m_service_daemon.get());
+
+ m_local_image_id = librbd::util::generate_image_id(m_local_io_ctx);
+ librbd::ImageOptions image_opts;
+ image_opts.set(RBD_IMAGE_OPTION_FEATURES, RBD_FEATURES_ALL);
+ EXPECT_EQ(0, librbd::create(m_local_io_ctx, m_image_name, m_local_image_id,
+ 1 << 20, image_opts, GLOBAL_IMAGE_ID,
+ m_remote_mirror_uuid, true));
+
+ cls::rbd::MirrorImage mirror_image(
+ MirrorImageMode::MIRROR_IMAGE_MODE_JOURNAL, GLOBAL_IMAGE_ID,
+ MirrorImageState::MIRROR_IMAGE_STATE_ENABLED);
+ EXPECT_EQ(0, cls_client::mirror_image_set(&m_local_io_ctx, m_local_image_id,
+ mirror_image));
+ }
+
+ void TearDown() override {
+ remove_image();
+
+ C_SaferCond ctx;
+ m_deleter->shut_down(&ctx);
+ ctx.wait();
+
+ delete m_deleter;
+ m_service_daemon.reset();
+
+ TestFixture::TearDown();
+ }
+
+ void init_image_deleter() {
+ C_SaferCond ctx;
+ m_deleter->init(&ctx);
+ ASSERT_EQ(0, ctx.wait());
+ }
+
+ void remove_image() {
+ cls::rbd::MirrorImage mirror_image;
+ int r = cls_client::mirror_image_get(&m_local_io_ctx, m_local_image_id,
+ &mirror_image);
+ EXPECT_EQ(1, r == 0 || r == -ENOENT);
+ if (r != -ENOENT) {
+ mirror_image.state = MirrorImageState::MIRROR_IMAGE_STATE_ENABLED;
+ EXPECT_EQ(0, cls_client::mirror_image_set(&m_local_io_ctx,
+ m_local_image_id,
+ mirror_image));
+ }
+ promote_image();
+
+ NoOpProgressContext ctx;
+ r = librbd::api::Image<>::remove(m_local_io_ctx, m_image_name, ctx);
+ EXPECT_EQ(1, r == 0 || r == -ENOENT);
+ }
+
+ void promote_image(ImageCtx *ictx=nullptr) {
+ bool close = false;
+ int r = 0;
+ if (!ictx) {
+ ictx = new ImageCtx("", m_local_image_id, "", m_local_io_ctx,
+ false);
+ r = ictx->state->open(0);
+ close = (r == 0);
+ }
+
+ EXPECT_EQ(1, r == 0 || r == -ENOENT);
+
+ if (r == 0) {
+ int r2 = librbd::api::Mirror<>::image_promote(ictx, true);
+ EXPECT_EQ(1, r2 == 0 || r2 == -EINVAL);
+ }
+
+ if (close) {
+ EXPECT_EQ(0, ictx->state->close());
+ }
+ }
+
+ void demote_image(ImageCtx *ictx=nullptr) {
+ bool close = false;
+ if (!ictx) {
+ ictx = new ImageCtx("", m_local_image_id, "", m_local_io_ctx,
+ false);
+ EXPECT_EQ(0, ictx->state->open(0));
+ close = true;
+ }
+
+ EXPECT_EQ(0, librbd::api::Mirror<>::image_demote(ictx));
+
+ if (close) {
+ EXPECT_EQ(0, ictx->state->close());
+ }
+ }
+
+ void create_snapshot(std::string snap_name="snap1", bool protect=false) {
+ ImageCtx *ictx = new ImageCtx("", m_local_image_id, "", m_local_io_ctx,
+ false);
+ EXPECT_EQ(0, ictx->state->open(0));
+ {
+ std::unique_lock image_locker{ictx->image_lock};
+ ictx->set_journal_policy(new librbd::journal::DisabledPolicy());
+ }
+
+ librbd::NoOpProgressContext prog_ctx;
+ EXPECT_EQ(0, ictx->operations->snap_create(
+ cls::rbd::UserSnapshotNamespace(), snap_name, 0, prog_ctx));
+
+ if (protect) {
+ EXPECT_EQ(0, ictx->operations->snap_protect(
+ cls::rbd::UserSnapshotNamespace(), snap_name));
+ }
+
+ EXPECT_EQ(0, ictx->state->close());
+ }
+
+ std::string create_clone() {
+ ImageCtx *ictx = new ImageCtx("", m_local_image_id, "", m_local_io_ctx,
+ false);
+ EXPECT_EQ(0, ictx->state->open(0));
+ {
+ std::unique_lock image_locker{ictx->image_lock};
+ ictx->set_journal_policy(new librbd::journal::DisabledPolicy());
+ }
+
+ librbd::NoOpProgressContext prog_ctx;
+ EXPECT_EQ(0, ictx->operations->snap_create(
+ cls::rbd::UserSnapshotNamespace(), "snap1", 0, prog_ctx));
+ EXPECT_EQ(0, ictx->operations->snap_protect(
+ cls::rbd::UserSnapshotNamespace(), "snap1"));
+ EXPECT_EQ(0, librbd::api::Image<>::snap_set(
+ ictx, cls::rbd::UserSnapshotNamespace(), "snap1"));
+
+ std::string clone_id = librbd::util::generate_image_id(m_local_io_ctx);
+ librbd::ImageOptions clone_opts;
+ clone_opts.set(RBD_IMAGE_OPTION_FEATURES, ictx->features);
+ EXPECT_EQ(0, librbd::clone(m_local_io_ctx, m_local_image_id.c_str(),
+ nullptr, "snap1", m_local_io_ctx,
+ clone_id.c_str(), "clone1", clone_opts,
+ GLOBAL_CLONE_IMAGE_ID, m_remote_mirror_uuid));
+
+ cls::rbd::MirrorImage mirror_image(
+ MirrorImageMode::MIRROR_IMAGE_MODE_JOURNAL, GLOBAL_CLONE_IMAGE_ID,
+ MirrorImageState::MIRROR_IMAGE_STATE_ENABLED);
+ EXPECT_EQ(0, cls_client::mirror_image_set(&m_local_io_ctx, clone_id,
+ mirror_image));
+ EXPECT_EQ(0, ictx->state->close());
+ return clone_id;
+ }
+
+ void check_image_deleted() {
+ ImageCtx *ictx = new ImageCtx("", m_local_image_id, "", m_local_io_ctx,
+ false);
+ EXPECT_EQ(-ENOENT, ictx->state->open(0));
+
+ cls::rbd::MirrorImage mirror_image;
+ EXPECT_EQ(-ENOENT, cls_client::mirror_image_get(&m_local_io_ctx,
+ m_local_image_id,
+ &mirror_image));
+ }
+
+ int trash_move(const std::string& global_image_id) {
+ C_SaferCond ctx;
+ rbd::mirror::ImageDeleter<>::trash_move(m_local_io_ctx, global_image_id,
+ true, m_threads->work_queue, &ctx);
+ return ctx.wait();
+ }
+
+ librbd::RBD rbd;
+ std::string m_local_image_id;
+ std::unique_ptr<rbd::mirror::Throttler<>> m_image_deletion_throttler;
+ std::unique_ptr<rbd::mirror::ServiceDaemon<>> m_service_daemon;
+ rbd::mirror::ImageDeleter<> *m_deleter;
+};
+
+TEST_F(TestImageDeleter, ExistingTrashMove) {
+ ASSERT_EQ(0, trash_move(GLOBAL_IMAGE_ID));
+
+ C_SaferCond ctx;
+ m_deleter->wait_for_deletion(m_local_image_id, false, &ctx);
+ init_image_deleter();
+
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestImageDeleter, LiveTrashMove) {
+ init_image_deleter();
+
+ C_SaferCond ctx;
+ m_deleter->wait_for_deletion(m_local_image_id, false, &ctx);
+
+ ASSERT_EQ(0, trash_move(GLOBAL_IMAGE_ID));
+ ASSERT_EQ(0, ctx.wait());
+}
+
+TEST_F(TestImageDeleter, Delete_Image_With_Snapshots) {
+ init_image_deleter();
+ create_snapshot("snap1");
+ create_snapshot("snap2");
+
+ C_SaferCond ctx;
+ m_deleter->wait_for_deletion(m_local_image_id, false, &ctx);
+ ASSERT_EQ(0, trash_move(GLOBAL_IMAGE_ID));
+ EXPECT_EQ(0, ctx.wait());
+
+ ASSERT_EQ(0u, m_deleter->get_delete_queue_items().size());
+ ASSERT_EQ(0u, m_deleter->get_failed_queue_items().size());
+}
+
+TEST_F(TestImageDeleter, Delete_Image_With_ProtectedSnapshots) {
+ init_image_deleter();
+ create_snapshot("snap1", true);
+ create_snapshot("snap2", true);
+
+ C_SaferCond ctx;
+ m_deleter->wait_for_deletion(m_local_image_id, false, &ctx);
+ ASSERT_EQ(0, trash_move(GLOBAL_IMAGE_ID));
+ EXPECT_EQ(0, ctx.wait());
+
+ ASSERT_EQ(0u, m_deleter->get_delete_queue_items().size());
+ ASSERT_EQ(0u, m_deleter->get_failed_queue_items().size());
+}
+
+TEST_F(TestImageDeleter, Delete_Image_With_Clone) {
+ init_image_deleter();
+ std::string clone_id = create_clone();
+
+ C_SaferCond ctx1;
+ m_deleter->set_busy_timer_interval(0.1);
+ m_deleter->wait_for_deletion(m_local_image_id, false, &ctx1);
+ ASSERT_EQ(0, trash_move(GLOBAL_IMAGE_ID));
+ EXPECT_EQ(-EBUSY, ctx1.wait());
+
+ C_SaferCond ctx2;
+ m_deleter->wait_for_deletion(clone_id, false, &ctx2);
+ ASSERT_EQ(0, trash_move(GLOBAL_CLONE_IMAGE_ID));
+ EXPECT_EQ(0, ctx2.wait());
+
+ C_SaferCond ctx3;
+ m_deleter->wait_for_deletion(m_local_image_id, true, &ctx3);
+ EXPECT_EQ(0, ctx3.wait());
+
+ ASSERT_EQ(0u, m_deleter->get_delete_queue_items().size());
+ ASSERT_EQ(0u, m_deleter->get_failed_queue_items().size());
+}
+
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