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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/rados/librados.hpp"
#include "include/stringify.h"
#include "cls/rbd/cls_rbd_types.h"
#include "cls/rbd/cls_rbd_client.h"
#include "librbd/Utils.h"
#include "librbd/internal.h"
#include "test/rbd_mirror/test_fixture.h"
#include "tools/rbd_mirror/InstanceWatcher.h"
#include "tools/rbd_mirror/Threads.h"
#include "common/Cond.h"
#include "test/librados/test_cxx.h"
#include "gtest/gtest.h"
using rbd::mirror::InstanceWatcher;
void register_test_instance_watcher() {
}
class TestInstanceWatcher : public ::rbd::mirror::TestFixture {
public:
std::string m_instance_id;
std::string m_oid;
void SetUp() override {
TestFixture::SetUp();
m_local_io_ctx.remove(RBD_MIRROR_LEADER);
EXPECT_EQ(0, m_local_io_ctx.create(RBD_MIRROR_LEADER, true));
m_instance_id = stringify(m_local_io_ctx.get_instance_id());
m_oid = RBD_MIRROR_INSTANCE_PREFIX + m_instance_id;
}
void get_instances(std::vector<std::string> *instance_ids) {
instance_ids->clear();
C_SaferCond on_get;
InstanceWatcher<>::get_instances(m_local_io_ctx, instance_ids, &on_get);
EXPECT_EQ(0, on_get.wait());
}
};
TEST_F(TestInstanceWatcher, InitShutdown)
{
InstanceWatcher<> instance_watcher(m_local_io_ctx, *m_threads->asio_engine,
nullptr, nullptr, m_instance_id);
std::vector<std::string> instance_ids;
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
uint64_t size;
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
// Init
ASSERT_EQ(0, instance_watcher.init());
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
ASSERT_EQ(m_instance_id, instance_ids[0]);
ASSERT_EQ(0, m_local_io_ctx.stat(m_oid, &size, nullptr));
std::list<obj_watch_t> watchers;
ASSERT_EQ(0, m_local_io_ctx.list_watchers(m_oid, &watchers));
ASSERT_EQ(1U, watchers.size());
ASSERT_EQ(m_instance_id, stringify(watchers.begin()->watcher_id));
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
// Shutdown
instance_watcher.shut_down();
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
}
TEST_F(TestInstanceWatcher, Remove)
{
std::string instance_id = "instance_id";
std::string oid = RBD_MIRROR_INSTANCE_PREFIX + instance_id;
std::vector<std::string> instance_ids;
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
uint64_t size;
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(oid, &size, nullptr));
librados::Rados cluster;
librados::IoCtx io_ctx;
ASSERT_EQ("", connect_cluster_pp(cluster));
ASSERT_EQ(0, cluster.ioctx_create(_local_pool_name.c_str(), io_ctx));
InstanceWatcher<> instance_watcher(m_local_io_ctx, *m_threads->asio_engine,
nullptr, nullptr, "instance_id");
// Init
ASSERT_EQ(0, instance_watcher.init());
get_instances(&instance_ids);
ASSERT_EQ(1U, instance_ids.size());
ASSERT_EQ(instance_id, instance_ids[0]);
ASSERT_EQ(0, m_local_io_ctx.stat(oid, &size, nullptr));
std::list<obj_watch_t> watchers;
ASSERT_EQ(0, m_local_io_ctx.list_watchers(oid, &watchers));
ASSERT_EQ(1U, watchers.size());
// Remove
C_SaferCond on_remove;
InstanceWatcher<>::remove_instance(m_local_io_ctx, *m_threads->asio_engine,
"instance_id", &on_remove);
ASSERT_EQ(0, on_remove.wait());
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
// Shutdown
instance_watcher.shut_down();
ASSERT_EQ(-ENOENT, m_local_io_ctx.stat(m_oid, &size, nullptr));
get_instances(&instance_ids);
ASSERT_EQ(0U, instance_ids.size());
// Remove NOENT
C_SaferCond on_remove_noent;
InstanceWatcher<>::remove_instance(m_local_io_ctx, *m_threads->asio_engine,
instance_id, &on_remove_noent);
ASSERT_EQ(0, on_remove_noent.wait());
}
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