Adding upstream version 18.2.2.upstream/18.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 277 insertions, 0 deletions

diff --git a/src/test/librbd/operation/test_mock_SnapshotUnprotectRequest.cc b/src/test/librbd/operation/test_mock_SnapshotUnprotectRequest.cc
new file mode 100644
index 000000000..26b1be206
--- /dev/null
+++ b/src/test/librbd/operation/test_mock_SnapshotUnprotectRequest.cc
@@ -0,0 +1,277 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "test/librbd/test_mock_fixture.h"
+#include "test/librbd/test_support.h"
+#include "test/librbd/mock/MockImageCtx.h"
+#include "test/librados_test_stub/MockTestMemIoCtxImpl.h"
+#include "test/librados_test_stub/MockTestMemRadosClient.h"
+#include "include/rados/librados.hpp"
+#include "common/bit_vector.hpp"
+#include "librbd/ImageState.h"
+#include "librbd/internal.h"
+#include "librbd/operation/SnapshotUnprotectRequest.h"
+#include "gmock/gmock.h"
+#include "gtest/gtest.h"
+
+// template definitions
+#include "librbd/operation/SnapshotUnprotectRequest.cc"
+
+namespace librbd {
+namespace operation {
+
+using ::testing::_;
+using ::testing::DoAll;
+using ::testing::DoDefault;
+using ::testing::Return;
+using ::testing::SetArgReferee;
+using ::testing::SetArgPointee;
+using ::testing::StrEq;
+using ::testing::WithArg;
+
+class TestMockOperationSnapshotUnprotectRequest : public TestMockFixture {
+public:
+  typedef SnapshotUnprotectRequest<MockImageCtx> MockSnapshotUnprotectRequest;
+
+  void expect_get_snap_id(MockImageCtx &mock_image_ctx, uint64_t snap_id) {
+    EXPECT_CALL(mock_image_ctx, get_snap_id(_, _))
+                  .WillOnce(Return(snap_id));
+  }
+
+  void expect_is_snap_unprotected(MockImageCtx &mock_image_ctx,
+                                  bool is_unprotected, int r) {
+    auto &expect = EXPECT_CALL(mock_image_ctx, is_snap_unprotected(_, _));
+    if (r < 0) {
+      expect.WillOnce(Return(r));
+    } else {
+      expect.WillOnce(DoAll(SetArgPointee<1>(is_unprotected), Return(0)));
+    }
+  }
+
+  void expect_set_protection_status(MockImageCtx &mock_image_ctx,
+                                    uint64_t snap_id, uint8_t status, int r) {
+    bufferlist bl;
+    encode(snap_id, bl);
+    encode(status, bl);
+
+    auto &expect = EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                               exec(mock_image_ctx.header_oid, _, StrEq("rbd"),
+                                    StrEq("set_protection_status"),
+                                    ContentsEqual(bl), _, _, _));
+    if (r < 0) {
+      expect.WillOnce(Return(r));
+    } else {
+      expect.WillOnce(DoDefault());
+    }
+  }
+
+  size_t expect_create_pool_io_contexts(MockImageCtx &mock_image_ctx) {
+    librados::MockTestMemIoCtxImpl &io_ctx_impl =
+      get_mock_io_ctx(mock_image_ctx.md_ctx);
+    librados::MockTestMemRadosClient *rados_client =
+      io_ctx_impl.get_mock_rados_client();
+
+    std::list<std::pair<int64_t, std::string> > pools;
+    int r = rados_client->pool_list(pools);
+    if (r < 0) {
+      ADD_FAILURE() << "failed to list pools";
+      return 0;
+    }
+
+    EXPECT_CALL(*rados_client, create_ioctx(_, _))
+                  .Times(pools.size()).WillRepeatedly(DoAll(
+                    GetReference(&io_ctx_impl), Return(&io_ctx_impl)));
+    return pools.size();
+  }
+
+  void expect_get_children(MockImageCtx &mock_image_ctx, size_t pools, int r) {
+    bufferlist bl;
+    std::set<std::string> children;
+    encode(children, bl);
+
+    auto &expect = EXPECT_CALL(get_mock_io_ctx(mock_image_ctx.md_ctx),
+                               exec(RBD_CHILDREN, _, StrEq("rbd"),
+                               StrEq("get_children"), _, _, _, _));
+    if (r < 0) {
+      expect.WillRepeatedly(Return(r));
+    } else {
+      expect.Times(pools).WillRepeatedly(DoAll(
+        SetArgPointee<5>(bl), Return(0)));
+    }
+  }
+};
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, Success) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  uint64_t snap_id = ictx->snap_info.rbegin()->first;
+  expect_get_snap_id(mock_image_ctx, snap_id);
+  expect_is_snap_unprotected(mock_image_ctx, false, 0);
+  expect_set_protection_status(mock_image_ctx, snap_id,
+                               RBD_PROTECTION_STATUS_UNPROTECTING, 0);
+  size_t pools = expect_create_pool_io_contexts(mock_image_ctx);
+  expect_get_children(mock_image_ctx, pools, -ENOENT);
+  expect_set_protection_status(mock_image_ctx, snap_id,
+                               RBD_PROTECTION_STATUS_UNPROTECTED, 0);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(0, cond_ctx.wait());
+}
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, GetSnapIdMissing) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  expect_get_snap_id(mock_image_ctx, CEPH_NOSNAP);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(-ENOENT, cond_ctx.wait());
+}
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, IsSnapUnprotectedError) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  expect_get_snap_id(mock_image_ctx, ictx->snap_info.rbegin()->first);
+  expect_is_snap_unprotected(mock_image_ctx, false, -EBADMSG);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(-EBADMSG, cond_ctx.wait());
+}
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, SnapAlreadyUnprotected) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  expect_get_snap_id(mock_image_ctx, ictx->snap_info.rbegin()->first);
+  expect_is_snap_unprotected(mock_image_ctx, true, 0);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(-EINVAL, cond_ctx.wait());
+}
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, SetProtectionStatusError) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  uint64_t snap_id = ictx->snap_info.rbegin()->first;
+  expect_get_snap_id(mock_image_ctx, snap_id);
+  expect_is_snap_unprotected(mock_image_ctx, false, 0);
+  expect_set_protection_status(mock_image_ctx, snap_id,
+                               RBD_PROTECTION_STATUS_UNPROTECTING, -EINVAL);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(-EINVAL, cond_ctx.wait());
+}
+
+TEST_F(TestMockOperationSnapshotUnprotectRequest, ChildrenExist) {
+  REQUIRE_FEATURE(RBD_FEATURE_LAYERING);
+
+  librbd::ImageCtx *ictx;
+  ASSERT_EQ(0, open_image(m_image_name, &ictx));
+  ASSERT_EQ(0, snap_create(*ictx, "snap1"));
+  ASSERT_EQ(0, ictx->state->refresh_if_required());
+
+  MockImageCtx mock_image_ctx(*ictx);
+
+  expect_op_work_queue(mock_image_ctx);
+
+  ::testing::InSequence seq;
+  uint64_t snap_id = ictx->snap_info.rbegin()->first;
+  expect_get_snap_id(mock_image_ctx, snap_id);
+  expect_is_snap_unprotected(mock_image_ctx, false, 0);
+  expect_set_protection_status(mock_image_ctx, snap_id,
+                               RBD_PROTECTION_STATUS_UNPROTECTING, 0);
+  size_t pools = expect_create_pool_io_contexts(mock_image_ctx);
+  expect_get_children(mock_image_ctx, pools, 0);
+  expect_set_protection_status(mock_image_ctx, snap_id,
+                               RBD_PROTECTION_STATUS_PROTECTED, 0);
+
+  C_SaferCond cond_ctx;
+  MockSnapshotUnprotectRequest *req = new MockSnapshotUnprotectRequest(
+    mock_image_ctx, &cond_ctx, cls::rbd::UserSnapshotNamespace(), "snap1");
+  {
+    std::shared_lock owner_locker{mock_image_ctx.owner_lock};
+    req->send();
+  }
+  ASSERT_EQ(-EBUSY, cond_ctx.wait());
+}
+
+} // namespace operation
+} // namespace librbd