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scylladb/test/boost/token_metadata_test.cc

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/*
* Copyright (C) 2023-present ScyllaDB
*/
/*
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
#include <boost/test/unit_test.hpp>
#include <seastar/testing/thread_test_case.hh>
#include "utils/fb_utilities.hh"
#include "locator/token_metadata.hh"
#include "locator/simple_strategy.hh"
#include "locator/everywhere_replication_strategy.hh"
using namespace locator;
namespace {
const auto ks_name = sstring("test-ks");
endpoint_dc_rack get_dc_rack(inet_address) {
return {
.dc = "unk-dc",
.rack = "unk-rack"
};
}
mutable_token_metadata_ptr create_token_metadata(inet_address this_endpoint) {
return make_lw_shared<token_metadata>(token_metadata::config {
topology::config {
.this_host_id = host_id::create_random_id(),
.this_endpoint = this_endpoint,
.local_dc_rack = get_dc_rack(this_endpoint)
}
});
}
template <typename Strategy>
mutable_vnode_erm_ptr create_erm(mutable_token_metadata_ptr tmptr, replication_strategy_config_options opts = {}) {
dc_rack_fn get_dc_rack_fn = get_dc_rack;
tmptr->update_topology_change_info(get_dc_rack_fn).get();
auto strategy = seastar::make_shared<Strategy>(std::move(opts));
return calculate_effective_replication_map(std::move(strategy), std::move(tmptr)).get0();
}
}
SEASTAR_THREAD_TEST_CASE(test_pending_and_read_endpoints_for_bootstrap_first_node) {
const auto e1 = inet_address("192.168.0.1");
const auto t1 = dht::token::from_int64(1);
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->add_bootstrap_token(t1, e1);
{
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "1"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(0)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(2)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE(!erm->get_endpoints_for_reading(t1).has_value());
}
{
token_metadata->set_read_new(token_metadata::read_new_t::yes);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "1"}});
BOOST_REQUIRE_EQUAL(erm->get_endpoints_for_reading(t1), inet_address_vector_replica_set{e1});
}
}
SEASTAR_THREAD_TEST_CASE(test_pending_and_read_endpoints_for_everywhere_strategy) {
const auto e1 = inet_address("192.168.0.1");
const auto e2 = inet_address("192.168.0.2");
const auto t1 = dht::token::from_int64(10);
const auto t2 = dht::token::from_int64(20);
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_normal_tokens({t1}, e1).get();
token_metadata->add_bootstrap_token(t2, e2);
token_metadata->set_read_new(token_metadata::read_new_t::yes);
auto erm = create_erm<everywhere_replication_strategy>(token_metadata);
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(t2),
inet_address_vector_topology_change{e2});
BOOST_REQUIRE_EQUAL(erm->get_endpoints_for_reading(t2),
(inet_address_vector_replica_set{e2, e1}));
}
SEASTAR_THREAD_TEST_CASE(test_pending_endpoints_for_bootstrap_second_node) {
const auto e1 = inet_address("192.168.0.1");
const auto t1 = dht::token::from_int64(1);
const auto e2 = inet_address("192.168.0.2");
const auto t2 = dht::token::from_int64(100);
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_normal_tokens({t1}, e1).get();
token_metadata->add_bootstrap_token(t2, e2);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "1"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(0)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(2)),
inet_address_vector_topology_change{e2});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(100)),
inet_address_vector_topology_change{e2});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(101)),
inet_address_vector_topology_change{});
}
SEASTAR_THREAD_TEST_CASE(test_pending_endpoints_for_bootstrap_with_replicas) {
const auto t1 = dht::token::from_int64(1);
const auto t10 = dht::token::from_int64(10);
const auto t100 = dht::token::from_int64(100);
const auto t1000 = dht::token::from_int64(1000);
const auto e1 = inet_address("192.168.0.1");
const auto e2 = inet_address("192.168.0.2");
const auto e3 = inet_address("192.168.0.3");
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_topology(e3, get_dc_rack(e3));
token_metadata->update_normal_tokens({t1, t1000}, e2).get();
token_metadata->update_normal_tokens({t10}, e3).get();
token_metadata->add_bootstrap_token(t100, e1);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(2)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(11)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(100)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(101)),
inet_address_vector_topology_change{});
}
SEASTAR_THREAD_TEST_CASE(test_pending_endpoints_for_leave_with_replicas) {
const auto t1 = dht::token::from_int64(1);
const auto t10 = dht::token::from_int64(10);
const auto t100 = dht::token::from_int64(100);
const auto t1000 = dht::token::from_int64(1000);
const auto e1 = inet_address("192.168.0.1");
const auto e2 = inet_address("192.168.0.2");
const auto e3 = inet_address("192.168.0.3");
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_topology(e3, get_dc_rack(e3));
token_metadata->update_normal_tokens({t1, t1000}, e2).get();
token_metadata->update_normal_tokens({t10}, e3).get();
token_metadata->update_normal_tokens({t100}, e1).get();
token_metadata->add_leaving_endpoint(e1);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(2)),
inet_address_vector_topology_change{e2});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(11)),
inet_address_vector_topology_change{e3});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(100)),
inet_address_vector_topology_change{e3});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(101)),
inet_address_vector_topology_change{});
}
SEASTAR_THREAD_TEST_CASE(test_pending_endpoints_for_replace_with_replicas) {
const auto t1 = dht::token::from_int64(1);
const auto t10 = dht::token::from_int64(10);
const auto t100 = dht::token::from_int64(100);
const auto t1000 = dht::token::from_int64(1000);
const auto e1 = inet_address("192.168.0.1");
const auto e2 = inet_address("192.168.0.2");
const auto e3 = inet_address("192.168.0.3");
const auto e4 = inet_address("192.168.0.4");
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_topology(e3, get_dc_rack(e3));
token_metadata->update_topology(e4, get_dc_rack(e4));
token_metadata->update_normal_tokens({t1000}, e1).get();
token_metadata->update_normal_tokens({t1, t100}, e2).get();
token_metadata->update_normal_tokens({t10}, e3).get();
token_metadata->add_replacing_endpoint(e3, e4);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(100)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1000)),
inet_address_vector_topology_change{});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1001)),
inet_address_vector_topology_change{e4});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{e4});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(2)),
inet_address_vector_topology_change{e4});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(10)),
inet_address_vector_topology_change{e4});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(11)),
inet_address_vector_topology_change{});
}
SEASTAR_THREAD_TEST_CASE(test_endpoints_for_reading_when_bootstrap_with_replicas) {
const auto t1 = dht::token::from_int64(1);
const auto t10 = dht::token::from_int64(10);
const auto t100 = dht::token::from_int64(100);
const auto t1000 = dht::token::from_int64(1000);
const auto e1 = inet_address("192.168.0.1");
const auto e2 = inet_address("192.168.0.2");
const auto e3 = inet_address("192.168.0.3");
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_topology(e2, get_dc_rack(e2));
token_metadata->update_topology(e3, get_dc_rack(e3));
token_metadata->update_normal_tokens({t1, t1000}, e2).get();
token_metadata->update_normal_tokens({t10}, e3).get();
token_metadata->add_bootstrap_token(t100, e1);
auto check_endpoints = [](mutable_vnode_erm_ptr erm, int64_t t,
inet_address_vector_replica_set expected_replicas,
seastar::compat::source_location sl = seastar::compat::source_location::current())
{
BOOST_TEST_INFO("line: " << sl.line());
const auto expected_set = std::unordered_set<inet_address>(expected_replicas.begin(),
expected_replicas.end());
const auto actual_replicas = erm->get_endpoints_for_reading(dht::token::from_int64(t));
BOOST_REQUIRE(actual_replicas.has_value());
const auto actual_set = std::unordered_set<inet_address>(actual_replicas->begin(),
actual_replicas->end());
BOOST_REQUIRE_EQUAL(expected_set, actual_set);
};
auto check_no_endpoints = [](mutable_vnode_erm_ptr erm, int64_t t,
seastar::compat::source_location sl = seastar::compat::source_location::current())
{
BOOST_TEST_INFO("line: " << sl.line());
BOOST_REQUIRE(!erm->get_endpoints_for_reading(dht::token::from_int64(t)).has_value());
};
{
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
check_no_endpoints(erm, 2);
}
{
token_metadata->set_read_new(locator::token_metadata::read_new_t::yes);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
check_endpoints(erm, 2, {e3, e1});
check_endpoints(erm, 10, {e3, e1});
check_endpoints(erm, 11, {e1, e2});
check_endpoints(erm, 100, {e1, e2});
check_no_endpoints(erm, 101);
check_no_endpoints(erm, 1001);
check_no_endpoints(erm, 1);
}
}
SEASTAR_THREAD_TEST_CASE(test_replace_node_with_same_endpoint) {
const auto t1 = dht::token::from_int64(1);
const auto e1 = inet_address("192.168.0.1");
auto token_metadata = create_token_metadata(e1);
token_metadata->update_topology(e1, get_dc_rack(e1));
token_metadata->update_normal_tokens({t1}, e1).get();
token_metadata->add_replacing_endpoint(e1, e1);
auto erm = create_erm<simple_strategy>(token_metadata, {{"replication_factor", "2"}});
BOOST_REQUIRE_EQUAL(erm->get_pending_endpoints(dht::token::from_int64(1)),
inet_address_vector_topology_change{e1});
BOOST_REQUIRE_EQUAL(token_metadata->get_endpoint(t1), e1);
}