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-rw-r--r--src/test/rbd_mirror/image_map/test_Policy.cc377
1 files changed, 377 insertions, 0 deletions
diff --git a/src/test/rbd_mirror/image_map/test_Policy.cc b/src/test/rbd_mirror/image_map/test_Policy.cc
new file mode 100644
index 00000000..4535ab7a
--- /dev/null
+++ b/src/test/rbd_mirror/image_map/test_Policy.cc
@@ -0,0 +1,377 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include "include/Context.h"
+#include "test/rbd_mirror/test_fixture.h"
+#include "tools/rbd_mirror/image_map/Types.h"
+#include "tools/rbd_mirror/image_map/SimplePolicy.h"
+#include "include/stringify.h"
+#include "common/Thread.h"
+
+void register_test_image_policy() {
+}
+
+namespace rbd {
+namespace mirror {
+namespace image_map {
+
+class TestImageMapPolicy : public TestFixture {
+public:
+ void SetUp() override {
+ TestFixture::SetUp();
+
+ EXPECT_EQ(0, _rados->conf_set("rbd_mirror_image_policy_migration_throttle",
+ "0"));
+
+ CephContext *cct = reinterpret_cast<CephContext *>(m_local_io_ctx.cct());
+ std::string policy_type = cct->_conf.get_val<string>("rbd_mirror_image_policy_type");
+
+ if (policy_type == "none" || policy_type == "simple") {
+ m_policy = image_map::SimplePolicy::create(m_local_io_ctx);
+ } else {
+ ceph_abort();
+ }
+
+ m_policy->init({});
+ }
+
+ void TearDown() override {
+ TestFixture::TearDown();
+ delete m_policy;
+ }
+
+ void map_image(const std::string &global_image_id) {
+ ASSERT_TRUE(m_policy->add_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+ }
+
+ void unmap_image(const std::string &global_image_id) {
+ ASSERT_TRUE(m_policy->remove_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_REMOVE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+ }
+
+ void shuffle_image(const std::string &global_image_id) {
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+ }
+
+ Policy *m_policy;
+};
+
+TEST_F(TestImageMapPolicy, NegativeLookup) {
+ const std::string global_image_id = "global id 1";
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id == UNMAPPED_INSTANCE_ID);
+}
+
+TEST_F(TestImageMapPolicy, Init) {
+ const std::string global_image_id = "global id 1";
+
+ m_policy->init({{global_image_id, {"9876", {}, {}}}});
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+}
+
+TEST_F(TestImageMapPolicy, MapImage) {
+ const std::string global_image_id = "global id 1";
+
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+}
+
+TEST_F(TestImageMapPolicy, UnmapImage) {
+ const std::string global_image_id = "global id 1";
+
+ // map image
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+
+ // unmap image
+ unmap_image(global_image_id);
+
+ info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id == UNMAPPED_INSTANCE_ID);
+}
+
+TEST_F(TestImageMapPolicy, ShuffleImageAddInstance) {
+ std::set<std::string> global_image_ids {
+ "global id 1", "global id 2", "global id 3", "global id 4", "global id 5", "global id 6"
+ };
+
+ for (auto const &global_image_id : global_image_ids) {
+ // map image
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({"9876"}, &shuffle_global_image_ids);
+
+ for (auto const &global_image_id : shuffle_global_image_ids) {
+ shuffle_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+}
+
+TEST_F(TestImageMapPolicy, ShuffleImageRemoveInstance) {
+ std::set<std::string> global_image_ids {
+ "global id 1", "global id 2", "global id 3", "global id 4", "global id 5"
+ };
+
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({stringify(m_local_io_ctx.get_instance_id())},
+ &shuffle_global_image_ids);
+ for (auto const &global_image_id : global_image_ids) {
+ // map image
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+
+ m_policy->add_instances({"9876"}, &shuffle_global_image_ids);
+
+ for (auto const &global_image_id : shuffle_global_image_ids) {
+ shuffle_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+
+ // record which of the images got migrated to the new instance
+ std::set<std::string> remapped_global_image_ids;
+ for (auto const &global_image_id: shuffle_global_image_ids) {
+ LookupInfo info = m_policy->lookup(global_image_id);
+ if (info.instance_id == "9876") {
+ remapped_global_image_ids.emplace(global_image_id);
+ }
+ }
+
+ shuffle_global_image_ids.clear();
+ m_policy->remove_instances({"9876"}, &shuffle_global_image_ids);
+
+ ASSERT_TRUE(shuffle_global_image_ids == remapped_global_image_ids);
+
+ for (auto const &global_image_id : shuffle_global_image_ids) {
+ shuffle_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+}
+
+TEST_F(TestImageMapPolicy, RetryMapUpdate) {
+ const std::string global_image_id = "global id 1";
+
+ ASSERT_TRUE(m_policy->add_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ // on-disk map update failed
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -EIO));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+}
+
+TEST_F(TestImageMapPolicy, MapFailureAndUnmap) {
+ const std::string global_image_id = "global id 1";
+
+ ASSERT_TRUE(m_policy->add_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({"9876"}, &shuffle_global_image_ids);
+ ASSERT_TRUE(shuffle_global_image_ids.empty());
+
+ m_policy->remove_instances({stringify(m_local_io_ctx.get_instance_id())},
+ &shuffle_global_image_ids);
+ ASSERT_TRUE(shuffle_global_image_ids.empty());
+
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -EBLACKLISTED));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -ENOENT));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_TRUE(m_policy->remove_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_REMOVE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+}
+
+TEST_F(TestImageMapPolicy, ReshuffleWithMapFailure) {
+ std::set<std::string> global_image_ids {
+ "global id 1", "global id 2", "global id 3", "global id 4", "global id 5",
+ "global id 6"
+ };
+
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({stringify(m_local_io_ctx.get_instance_id())},
+ &shuffle_global_image_ids);
+ for (auto const &global_image_id : global_image_ids) {
+ // map image
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+
+ m_policy->add_instances({"9876"}, &shuffle_global_image_ids);
+ ASSERT_FALSE(shuffle_global_image_ids.empty());
+
+ const std::string global_image_id = *(shuffle_global_image_ids.begin());
+ shuffle_global_image_ids.clear();
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+
+ // peer unavailable
+ m_policy->remove_instances({"9876"}, &shuffle_global_image_ids);
+ ASSERT_TRUE(shuffle_global_image_ids.empty());
+
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -EBLACKLISTED));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+}
+
+TEST_F(TestImageMapPolicy, ShuffleFailureAndRemove) {
+ std::set<std::string> global_image_ids {
+ "global id 1", "global id 2", "global id 3", "global id 4", "global id 5",
+ "global id 6"
+ };
+
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({stringify(m_local_io_ctx.get_instance_id())},
+ &shuffle_global_image_ids);
+ for (auto const &global_image_id : global_image_ids) {
+ // map image
+ map_image(global_image_id);
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id != UNMAPPED_INSTANCE_ID);
+ }
+
+ m_policy->add_instances({"9876"}, &shuffle_global_image_ids);
+ ASSERT_FALSE(shuffle_global_image_ids.empty());
+
+ std::string global_image_id = *(shuffle_global_image_ids.begin());
+ shuffle_global_image_ids.clear();
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+
+ // peer unavailable
+ m_policy->remove_instances({"9876"}, &shuffle_global_image_ids);
+ ASSERT_TRUE(shuffle_global_image_ids.empty());
+
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -EBLACKLISTED));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_TRUE(m_policy->remove_image(global_image_id));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_REMOVE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+
+ LookupInfo info = m_policy->lookup(global_image_id);
+ ASSERT_TRUE(info.instance_id == UNMAPPED_INSTANCE_ID);
+}
+
+TEST_F(TestImageMapPolicy, InitialInstanceUpdate) {
+ const std::string global_image_id = "global id 1";
+
+ m_policy->init({{global_image_id, {"9876", {}, {}}}});
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+
+ auto instance_id = stringify(m_local_io_ctx.get_instance_id());
+ std::set<std::string> shuffle_global_image_ids;
+ m_policy->add_instances({instance_id}, &shuffle_global_image_ids);
+
+ ASSERT_EQ(0U, shuffle_global_image_ids.size());
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, -ENOENT));
+
+ ASSERT_EQ(ACTION_TYPE_RELEASE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_MAP_UPDATE, m_policy->start_action(global_image_id));
+ ASSERT_TRUE(m_policy->finish_action(global_image_id, 0));
+
+ ASSERT_EQ(ACTION_TYPE_ACQUIRE, m_policy->start_action(global_image_id));
+ ASSERT_FALSE(m_policy->finish_action(global_image_id, 0));
+}
+
+} // namespace image_map
+} // namespace mirror
+} // namespace rbd