image_replayer/test_mock_EventPreprocessor.cc
image_replayer/test_mock_GetMirrorImageIdRequest.cc
image_replayer/test_mock_PrepareLocalImageRequest.cc
+ image_replayer/test_mock_PrepareRemoteImageRequest.cc
image_sync/test_mock_ImageCopyRequest.cc
image_sync/test_mock_ObjectCopyRequest.cc
image_sync/test_mock_SnapshotCopyRequest.cc
--- /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_mock_fixture.h"
+#include "cls/rbd/cls_rbd_types.h"
+#include "librbd/journal/TypeTraits.h"
+#include "tools/rbd_mirror/image_replayer/GetMirrorImageIdRequest.h"
+#include "tools/rbd_mirror/image_replayer/PrepareRemoteImageRequest.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "test/librbd/mock/MockImageCtx.h"
+
+namespace librbd {
+
+namespace {
+
+struct MockTestImageCtx : public librbd::MockImageCtx {
+ MockTestImageCtx(librbd::ImageCtx &image_ctx)
+ : librbd::MockImageCtx(image_ctx) {
+ }
+};
+
+} // anonymous namespace
+} // namespace librbd
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+template <>
+struct GetMirrorImageIdRequest<librbd::MockTestImageCtx> {
+ static GetMirrorImageIdRequest* s_instance;
+ std::string* image_id = nullptr;
+ Context* on_finish = nullptr;
+
+ static GetMirrorImageIdRequest* create(librados::IoCtx& io_ctx,
+ const std::string& global_image_id,
+ std::string* image_id,
+ Context* on_finish) {
+ assert(s_instance != nullptr);
+ s_instance->image_id = image_id;
+ s_instance->on_finish = on_finish;
+ return s_instance;
+ }
+
+ GetMirrorImageIdRequest() {
+ s_instance = this;
+ }
+
+ MOCK_METHOD0(send, void());
+};
+
+GetMirrorImageIdRequest<librbd::MockTestImageCtx>* GetMirrorImageIdRequest<librbd::MockTestImageCtx>::s_instance = nullptr;
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+// template definitions
+#include "tools/rbd_mirror/image_replayer/PrepareRemoteImageRequest.cc"
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::InSequence;
+using ::testing::Invoke;
+using ::testing::Return;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+class TestMockImageReplayerPrepareRemoteImageRequest : public TestMockFixture {
+public:
+ typedef PrepareRemoteImageRequest<librbd::MockTestImageCtx> MockPrepareRemoteImageRequest;
+ typedef GetMirrorImageIdRequest<librbd::MockTestImageCtx> MockGetMirrorImageIdRequest;
+
+ void expect_get_mirror_image_id(MockGetMirrorImageIdRequest& mock_get_mirror_image_id_request,
+ const std::string& image_id, int r) {
+ EXPECT_CALL(mock_get_mirror_image_id_request, send())
+ .WillOnce(Invoke([&mock_get_mirror_image_id_request, image_id, r]() {
+ *mock_get_mirror_image_id_request.image_id = image_id;
+ mock_get_mirror_image_id_request.on_finish->complete(r);
+ }));
+ }
+
+ void expect_mirror_uuid_get(librados::IoCtx &io_ctx,
+ const std::string &mirror_uuid, int r) {
+ bufferlist bl;
+ ::encode(mirror_uuid, bl);
+
+ EXPECT_CALL(get_mock_io_ctx(io_ctx),
+ exec(RBD_MIRRORING, _, StrEq("rbd"), StrEq("mirror_uuid_get"), _, _, _))
+ .WillOnce(DoAll(WithArg<5>(Invoke([bl](bufferlist *out_bl) {
+ *out_bl = bl;
+ })),
+ Return(r)));
+ }
+};
+
+TEST_F(TestMockImageReplayerPrepareRemoteImageRequest, Success) {
+ InSequence seq;
+ expect_mirror_uuid_get(m_remote_io_ctx, "remote mirror uuid", 0);
+ MockGetMirrorImageIdRequest mock_get_mirror_image_id_request;
+ expect_get_mirror_image_id(mock_get_mirror_image_id_request,
+ "remote image id", 0);
+
+ std::string remote_mirror_uuid;
+ std::string remote_image_id;
+ C_SaferCond ctx;
+ auto req = MockPrepareRemoteImageRequest::create(m_remote_io_ctx,
+ "global image id",
+ &remote_mirror_uuid,
+ &remote_image_id,
+ &ctx);
+ req->send();
+
+ ASSERT_EQ(0, ctx.wait());
+ ASSERT_EQ(std::string("remote mirror uuid"), remote_mirror_uuid);
+ ASSERT_EQ(std::string("remote image id"), remote_image_id);
+}
+
+TEST_F(TestMockImageReplayerPrepareRemoteImageRequest, MirrorUuidError) {
+ InSequence seq;
+ expect_mirror_uuid_get(m_remote_io_ctx, "", -EINVAL);
+
+ std::string remote_mirror_uuid;
+ std::string remote_image_id;
+ C_SaferCond ctx;
+ auto req = MockPrepareRemoteImageRequest::create(m_remote_io_ctx,
+ "global image id",
+ &remote_mirror_uuid,
+ &remote_image_id,
+ &ctx);
+ req->send();
+
+ ASSERT_EQ(-EINVAL, ctx.wait());
+ ASSERT_EQ(std::string(""), remote_mirror_uuid);
+}
+
+TEST_F(TestMockImageReplayerPrepareRemoteImageRequest, MirrorImageIdError) {
+ InSequence seq;
+ expect_mirror_uuid_get(m_remote_io_ctx, "remote mirror uuid", 0);
+ MockGetMirrorImageIdRequest mock_get_mirror_image_id_request;
+ expect_get_mirror_image_id(mock_get_mirror_image_id_request, "", -EINVAL);
+
+ std::string remote_mirror_uuid;
+ std::string remote_image_id;
+ C_SaferCond ctx;
+ auto req = MockPrepareRemoteImageRequest::create(m_remote_io_ctx,
+ "global image id",
+ &remote_mirror_uuid,
+ &remote_image_id,
+ &ctx);
+ req->send();
+
+ ASSERT_EQ(-EINVAL, ctx.wait());
+ ASSERT_EQ(std::string("remote mirror uuid"), remote_mirror_uuid);
+}
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
image_replayer/OpenImageRequest.cc
image_replayer/OpenLocalImageRequest.cc
image_replayer/PrepareLocalImageRequest.cc
+ image_replayer/PrepareRemoteImageRequest.cc
image_replayer/ReplayStatusFormatter.cc
image_sync/ImageCopyRequest.cc
image_sync/ObjectCopyRequest.cc
--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "tools/rbd_mirror/image_replayer/PrepareRemoteImageRequest.h"
+#include "include/rados/librados.hpp"
+#include "cls/rbd/cls_rbd_client.h"
+#include "common/errno.h"
+#include "librbd/ImageCtx.h"
+#include "librbd/Utils.h"
+#include "tools/rbd_mirror/image_replayer/GetMirrorImageIdRequest.h"
+
+#define dout_context g_ceph_context
+#define dout_subsys ceph_subsys_rbd_mirror
+#undef dout_prefix
+#define dout_prefix *_dout << "rbd::mirror::image_replayer::" \
+ << "PrepareRemoteImageRequest: " << this << " " \
+ << __func__ << ": "
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+using librbd::util::create_context_callback;
+using librbd::util::create_rados_callback;
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::send() {
+ get_remote_mirror_uuid();
+}
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::get_remote_mirror_uuid() {
+ dout(20) << dendl;
+
+ librados::ObjectReadOperation op;
+ librbd::cls_client::mirror_uuid_get_start(&op);
+
+ librados::AioCompletion *aio_comp = create_rados_callback<
+ PrepareRemoteImageRequest<I>,
+ &PrepareRemoteImageRequest<I>::handle_get_remote_mirror_uuid>(this);
+ int r = m_io_ctx.aio_operate(RBD_MIRRORING, aio_comp, &op, &m_out_bl);
+ assert(r == 0);
+ aio_comp->release();
+}
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::handle_get_remote_mirror_uuid(int r) {
+ if (r >= 0) {
+ bufferlist::iterator it = m_out_bl.begin();
+ r = librbd::cls_client::mirror_uuid_get_finish(&it, m_remote_mirror_uuid);
+ if (r >= 0 && m_remote_mirror_uuid->empty()) {
+ r = -ENOENT;
+ }
+ }
+
+ dout(20) << "r=" << r << dendl;
+ if (r < 0) {
+ derr << "failed to retrieve remote mirror uuid: " << cpp_strerror(r)
+ << dendl;
+ finish(r);
+ return;
+ }
+
+ get_remote_image_id();
+}
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::get_remote_image_id() {
+ dout(20) << dendl;
+
+ Context *ctx = create_context_callback<
+ PrepareRemoteImageRequest<I>,
+ &PrepareRemoteImageRequest<I>::handle_get_remote_image_id>(this);
+ auto req = GetMirrorImageIdRequest<I>::create(m_io_ctx, m_global_image_id,
+ m_remote_image_id, ctx);
+ req->send();
+}
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::handle_get_remote_image_id(int r) {
+ dout(20) << "r=" << r << ", "
+ << "remote_image_id=" << *m_remote_image_id << dendl;
+
+ if (r < 0) {
+ finish(r);
+ return;
+ }
+
+ finish(0);
+}
+
+template <typename I>
+void PrepareRemoteImageRequest<I>::finish(int r) {
+ dout(20) << "r=" << r << dendl;
+
+ m_on_finish->complete(r);
+ delete this;
+}
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+template class rbd::mirror::image_replayer::PrepareRemoteImageRequest<librbd::ImageCtx>;
--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#ifndef RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H
+#define RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H
+
+#include "include/buffer.h"
+#include <string>
+
+namespace librados { struct IoCtx; }
+namespace librbd { struct ImageCtx; }
+
+struct Context;
+struct ContextWQ;
+
+namespace rbd {
+namespace mirror {
+namespace image_replayer {
+
+template <typename ImageCtxT = librbd::ImageCtx>
+class PrepareRemoteImageRequest {
+public:
+ static PrepareRemoteImageRequest *create(librados::IoCtx &io_ctx,
+ const std::string &global_image_id,
+ std::string *remote_mirror_uuid,
+ std::string *remote_image_id,
+ Context *on_finish) {
+ return new PrepareRemoteImageRequest(io_ctx, global_image_id,
+ remote_mirror_uuid, remote_image_id,
+ on_finish);
+ }
+
+ PrepareRemoteImageRequest(librados::IoCtx &io_ctx,
+ const std::string &global_image_id,
+ std::string *remote_mirror_uuid,
+ std::string *remote_image_id,
+ Context *on_finish)
+ : m_io_ctx(io_ctx), m_global_image_id(global_image_id),
+ m_remote_mirror_uuid(remote_mirror_uuid),
+ m_remote_image_id(remote_image_id),
+ m_on_finish(on_finish) {
+ }
+
+ void send();
+
+private:
+ /**
+ * @verbatim
+ *
+ * <start>
+ * |
+ * v
+ * GET_REMOTE_MIRROR_UUID
+ * |
+ * v
+ * GET_REMOTE_IMAGE_ID
+ * |
+ * v
+ * <finish>
+
+ * @endverbatim
+ */
+
+ librados::IoCtx &m_io_ctx;
+ std::string m_global_image_id;
+ std::string *m_remote_mirror_uuid;
+ std::string *m_remote_image_id;
+ Context *m_on_finish;
+
+ bufferlist m_out_bl;
+
+ void get_remote_mirror_uuid();
+ void handle_get_remote_mirror_uuid(int r);
+
+ void get_remote_image_id();
+ void handle_get_remote_image_id(int r);
+
+ void finish(int r);
+
+};
+
+} // namespace image_replayer
+} // namespace mirror
+} // namespace rbd
+
+extern template class rbd::mirror::image_replayer::PrepareRemoteImageRequest<librbd::ImageCtx>;
+
+#endif // RBD_MIRROR_IMAGE_REPLAYER_PREPARE_REMOTE_IMAGE_REQUEST_H
projects / ceph.git / commitdiff