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// -*- 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, -EBLOCKLISTED));
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, -EBLOCKLISTED));
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, -EBLOCKLISTED));
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
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