memgraph/tests/simulation/request_router.cpp
2023-01-16 14:54:20 +01:00

379 lines
15 KiB
C++

// Copyright 2023 Memgraph Ltd.
//
// Use of this software is governed by the Business Source License
// included in the file licenses/BSL.txt; by using this file, you agree to be bound by the terms of the Business Source
// License, and you may not use this file except in compliance with the Business Source License.
//
// As of the Change Date specified in that file, in accordance with
// the Business Source License, use of this software will be governed
// by the Apache License, Version 2.0, included in the file
// licenses/APL.txt.
#include <chrono>
#include <deque>
#include <iostream>
#include <map>
#include <optional>
#include <set>
#include <thread>
#include <vector>
#include <spdlog/cfg/env.h>
#include "common.hpp"
#include "common/types.hpp"
#include "coordinator/coordinator_client.hpp"
#include "coordinator/coordinator_rsm.hpp"
#include "io/address.hpp"
#include "io/errors.hpp"
#include "io/rsm/raft.hpp"
#include "io/rsm/rsm_client.hpp"
#include "io/rsm/shard_rsm.hpp"
#include "io/simulator/simulator.hpp"
#include "io/simulator/simulator_transport.hpp"
#include "query/v2/accessors.hpp"
#include "query/v2/conversions.hpp"
#include "query/v2/request_router.hpp"
#include "query/v2/requests.hpp"
#include "storage/v3/property_value.hpp"
#include "utils/result.hpp"
namespace memgraph::query::v2::tests {
using coordinator::AddressAndStatus;
using CompoundKey = coordinator::PrimaryKey;
using coordinator::Coordinator;
using coordinator::CoordinatorClient;
using coordinator::CoordinatorRsm;
using coordinator::HlcRequest;
using coordinator::HlcResponse;
using coordinator::ShardMap;
using coordinator::ShardMetadata;
using coordinator::Shards;
using coordinator::Status;
using io::Address;
using io::Io;
using io::ResponseEnvelope;
using io::ResponseFuture;
using io::Time;
using io::TimedOut;
using io::rsm::Raft;
using io::rsm::ReadRequest;
using io::rsm::ReadResponse;
using io::rsm::StorageReadRequest;
using io::rsm::StorageReadResponse;
using io::rsm::StorageWriteRequest;
using io::rsm::StorageWriteResponse;
using io::rsm::WriteRequest;
using io::rsm::WriteResponse;
using io::simulator::Simulator;
using io::simulator::SimulatorConfig;
using io::simulator::SimulatorStats;
using io::simulator::SimulatorTransport;
using msgs::CreateVerticesRequest;
using msgs::CreateVerticesResponse;
using msgs::ScanVerticesRequest;
using msgs::ScanVerticesResponse;
using msgs::VertexId;
using storage::v3::LabelId;
using storage::v3::SchemaProperty;
using storage::v3::tests::MockedShardRsm;
using utils::BasicResult;
namespace {
ShardMap CreateDummyShardmap(coordinator::Address a_io_1, coordinator::Address a_io_2, coordinator::Address a_io_3,
coordinator::Address b_io_1, coordinator::Address b_io_2, coordinator::Address b_io_3) {
static const std::string label_name = std::string("test_label");
ShardMap sm;
// register new properties
const std::vector<std::string> property_names = {"property_1", "property_2"};
const auto properties = sm.AllocatePropertyIds(property_names);
const auto property_id_1 = properties.at("property_1");
const auto property_id_2 = properties.at("property_2");
const auto type_1 = common::SchemaType::INT;
const auto type_2 = common::SchemaType::INT;
// register new label space
std::vector<SchemaProperty> schema = {
SchemaProperty{.property_id = property_id_1, .type = type_1},
SchemaProperty{.property_id = property_id_2, .type = type_2},
};
auto label_success = sm.InitializeNewLabel(label_name, schema, 1, sm.shard_map_version);
MG_ASSERT(label_success);
const LabelId label_id = sm.labels.at(label_name);
auto &label_space = sm.label_spaces.at(label_id);
Shards &shards_for_label = label_space.shards;
shards_for_label.clear();
// add first shard at [0, 0]
AddressAndStatus aas1_1{.address = a_io_1, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas1_2{.address = a_io_2, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas1_3{.address = a_io_3, .status = Status::CONSENSUS_PARTICIPANT};
ShardMetadata shard1 = ShardMetadata{.peers = {aas1_1, aas1_2, aas1_3}, .version = 1};
auto key1 = storage::v3::PropertyValue(0);
auto key2 = storage::v3::PropertyValue(0);
CompoundKey compound_key_1 = {key1, key2};
shards_for_label[compound_key_1] = shard1;
// add second shard at [12, 13]
AddressAndStatus aas2_1{.address = b_io_1, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas2_2{.address = b_io_2, .status = Status::CONSENSUS_PARTICIPANT};
AddressAndStatus aas2_3{.address = b_io_3, .status = Status::CONSENSUS_PARTICIPANT};
ShardMetadata shard2 = ShardMetadata{.peers = {aas2_1, aas2_2, aas2_3}, .version = 1};
auto key3 = storage::v3::PropertyValue(12);
auto key4 = storage::v3::PropertyValue(13);
CompoundKey compound_key_2 = {key3, key4};
shards_for_label[compound_key_2] = shard2;
sm.AllocateEdgeTypeIds(std::vector<coordinator::EdgeTypeName>{"edge_type"});
return sm;
}
} // namespace
using WriteRequests = msgs::WriteRequests;
using WriteResponses = msgs::WriteResponses;
using ReadRequests = msgs::ReadRequests;
using ReadResponses = msgs::ReadResponses;
using ConcreteCoordinatorRsm = CoordinatorRsm<SimulatorTransport>;
using ConcreteStorageRsm =
Raft<SimulatorTransport, MockedShardRsm, WriteRequests, WriteResponses, ReadRequests, ReadResponses>;
template <typename IoImpl>
void RunStorageRaft(Raft<IoImpl, MockedShardRsm, WriteRequests, WriteResponses, ReadRequests, ReadResponses> server) {
server.Run();
}
void TestScanVertices(query::v2::RequestRouterInterface &request_router) {
auto result = request_router.ScanVertices("test_label");
MG_ASSERT(result.size() == 2);
{
auto prop = result[0].GetProperty(msgs::PropertyId::FromUint(0));
MG_ASSERT(prop.int_v == 0);
prop = result[1].GetProperty(msgs::PropertyId::FromUint(0));
MG_ASSERT(prop.int_v == 444);
}
}
void TestCreateVertices(query::v2::RequestRouterInterface &request_router) {
using PropVal = msgs::Value;
std::vector<msgs::NewVertex> new_vertices;
auto label_id = request_router.NameToLabel("test_label");
msgs::NewVertex a1{.primary_key = {PropVal(int64_t(1)), PropVal(int64_t(0))}};
a1.label_ids.push_back({label_id});
msgs::NewVertex a2{.primary_key = {PropVal(int64_t(13)), PropVal(int64_t(13))}};
a2.label_ids.push_back({label_id});
new_vertices.push_back(std::move(a1));
new_vertices.push_back(std::move(a2));
auto result = request_router.CreateVertices(std::move(new_vertices));
MG_ASSERT(result.size() == 2);
}
void TestCreateExpand(query::v2::RequestRouterInterface &request_router) {
using PropVal = msgs::Value;
msgs::CreateExpandRequest state;
std::vector<msgs::NewExpand> new_expands;
const auto edge_type_id = request_router.NameToEdgeType("edge_type");
const auto label = msgs::Label{request_router.NameToLabel("test_label")};
const msgs::VertexId vertex_id_1{label, {PropVal(int64_t(0)), PropVal(int64_t(0))}};
const msgs::VertexId vertex_id_2{label, {PropVal(int64_t(13)), PropVal(int64_t(13))}};
msgs::NewExpand expand_1{
.id = {.gid = 0}, .type = {edge_type_id}, .src_vertex = vertex_id_1, .dest_vertex = vertex_id_2};
msgs::NewExpand expand_2{
.id = {.gid = 1}, .type = {edge_type_id}, .src_vertex = vertex_id_2, .dest_vertex = vertex_id_1};
new_expands.push_back(std::move(expand_1));
new_expands.push_back(std::move(expand_2));
auto responses = request_router.CreateExpand(std::move(new_expands));
MG_ASSERT(responses.size() == 2);
MG_ASSERT(!responses[0].error);
MG_ASSERT(!responses[1].error);
}
void TestExpandOne(query::v2::RequestRouterInterface &request_router) {
msgs::ExpandOneRequest state{};
msgs::ExpandOneRequest request;
const auto edge_type_id = request_router.NameToEdgeType("edge_type");
const auto label = msgs::Label{request_router.NameToLabel("test_label")};
request.src_vertices.push_back(msgs::VertexId{label, {msgs::Value(int64_t(0)), msgs::Value(int64_t(0))}});
request.edge_types.push_back(msgs::EdgeType{edge_type_id});
request.direction = msgs::EdgeDirection::BOTH;
auto result_rows = request_router.ExpandOne(std::move(request));
MG_ASSERT(result_rows.size() == 2);
}
void TestGetProperties(query::v2::RequestRouterInterface &request_router) {
using PropVal = msgs::Value;
auto label_id = request_router.NameToLabel("test_label");
msgs::VertexId v0{{label_id}, {PropVal(int64_t(0)), PropVal(int64_t(0))}};
msgs::VertexId v1{{label_id}, {PropVal(int64_t(1)), PropVal(int64_t(0))}};
msgs::VertexId v2{{label_id}, {PropVal(int64_t(13)), PropVal(int64_t(13))}};
msgs::GetPropertiesRequest request;
request.vertex_ids.push_back({v0});
request.vertex_ids.push_back({v1});
request.vertex_ids.push_back({v2});
auto result = request_router.GetProperties(std::move(request));
MG_ASSERT(result.size() == 3);
}
template <typename RequestRouter>
void TestAggregate(RequestRouter &request_router) {}
void DoTest() {
SimulatorConfig config{
.drop_percent = 0,
.perform_timeouts = false,
.scramble_messages = false,
.rng_seed = 0,
.start_time = Time::min() + std::chrono::microseconds{256 * 1024},
.abort_time = Time::min() + std::chrono::microseconds{2 * 8 * 1024 * 1024},
};
auto simulator = Simulator(config);
const auto one_second = std::chrono::seconds(1);
Io<SimulatorTransport> cli_io = simulator.RegisterNew();
cli_io.SetDefaultTimeout(one_second);
// Register
Io<SimulatorTransport> a_io_1 = simulator.RegisterNew();
a_io_1.SetDefaultTimeout(one_second);
Io<SimulatorTransport> a_io_2 = simulator.RegisterNew();
a_io_2.SetDefaultTimeout(one_second);
Io<SimulatorTransport> a_io_3 = simulator.RegisterNew();
a_io_3.SetDefaultTimeout(one_second);
Io<SimulatorTransport> b_io_1 = simulator.RegisterNew();
b_io_1.SetDefaultTimeout(one_second);
Io<SimulatorTransport> b_io_2 = simulator.RegisterNew();
b_io_2.SetDefaultTimeout(one_second);
Io<SimulatorTransport> b_io_3 = simulator.RegisterNew();
b_io_3.SetDefaultTimeout(one_second);
// Preconfigure coordinator with kv shard 'A' and 'B'
auto sm1 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
auto sm2 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
auto sm3 = CreateDummyShardmap(a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress(), b_io_1.GetAddress(),
b_io_2.GetAddress(), b_io_3.GetAddress());
// Spin up shard A
std::vector<Address> a_addrs = {a_io_1.GetAddress(), a_io_2.GetAddress(), a_io_3.GetAddress()};
std::vector<Address> a_1_peers = {a_addrs[1], a_addrs[2]};
std::vector<Address> a_2_peers = {a_addrs[0], a_addrs[2]};
std::vector<Address> a_3_peers = {a_addrs[0], a_addrs[1]};
ConcreteStorageRsm a_1{std::move(a_io_1), a_1_peers, MockedShardRsm{}};
ConcreteStorageRsm a_2{std::move(a_io_2), a_2_peers, MockedShardRsm{}};
ConcreteStorageRsm a_3{std::move(a_io_3), a_3_peers, MockedShardRsm{}};
auto a_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_1));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[0]);
auto a_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_2));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[1]);
auto a_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(a_3));
simulator.IncrementServerCountAndWaitForQuiescentState(a_addrs[2]);
// Spin up shard B
std::vector<Address> b_addrs = {b_io_1.GetAddress(), b_io_2.GetAddress(), b_io_3.GetAddress()};
std::vector<Address> b_1_peers = {b_addrs[1], b_addrs[2]};
std::vector<Address> b_2_peers = {b_addrs[0], b_addrs[2]};
std::vector<Address> b_3_peers = {b_addrs[0], b_addrs[1]};
ConcreteStorageRsm b_1{std::move(b_io_1), b_1_peers, MockedShardRsm{}};
ConcreteStorageRsm b_2{std::move(b_io_2), b_2_peers, MockedShardRsm{}};
ConcreteStorageRsm b_3{std::move(b_io_3), b_3_peers, MockedShardRsm{}};
auto b_thread_1 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_1));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[0]);
auto b_thread_2 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_2));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[1]);
auto b_thread_3 = std::jthread(RunStorageRaft<SimulatorTransport>, std::move(b_3));
simulator.IncrementServerCountAndWaitForQuiescentState(b_addrs[2]);
// Spin up coordinators
Io<SimulatorTransport> c_io_1 = simulator.RegisterNew();
c_io_1.SetDefaultTimeout(one_second);
Io<SimulatorTransport> c_io_2 = simulator.RegisterNew();
c_io_2.SetDefaultTimeout(one_second);
Io<SimulatorTransport> c_io_3 = simulator.RegisterNew();
c_io_3.SetDefaultTimeout(one_second);
std::vector<Address> c_addrs = {c_io_1.GetAddress(), c_io_2.GetAddress(), c_io_3.GetAddress()};
std::vector<Address> c_1_peers = {c_addrs[1], c_addrs[2]};
std::vector<Address> c_2_peers = {c_addrs[0], c_addrs[2]};
std::vector<Address> c_3_peers = {c_addrs[0], c_addrs[1]};
ConcreteCoordinatorRsm c_1{std::move(c_io_1), c_1_peers, Coordinator{(sm1)}};
ConcreteCoordinatorRsm c_2{std::move(c_io_2), c_2_peers, Coordinator{(sm2)}};
ConcreteCoordinatorRsm c_3{std::move(c_io_3), c_3_peers, Coordinator{(sm3)}};
auto c_thread_1 = std::jthread([c_1]() mutable { c_1.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[0]);
auto c_thread_2 = std::jthread([c_2]() mutable { c_2.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[1]);
auto c_thread_3 = std::jthread([c_3]() mutable { c_3.Run(); });
simulator.IncrementServerCountAndWaitForQuiescentState(c_addrs[2]);
std::cout << "beginning test after servers have become quiescent" << std::endl;
// Have client contact coordinator RSM for a new transaction ID and
// also get the current shard map
CoordinatorClient<SimulatorTransport> coordinator_client(cli_io, c_addrs[0], c_addrs);
query::v2::RequestRouter<SimulatorTransport> request_router(std::move(coordinator_client), std::move(cli_io));
std::function<bool()> tick_simulator = simulator.GetSimulatorTickClosure();
request_router.InstallSimulatorTicker(tick_simulator);
request_router.StartTransaction();
TestScanVertices(request_router);
TestCreateVertices(request_router);
TestCreateExpand(request_router);
TestGetProperties(request_router);
simulator.ShutDown();
SimulatorStats stats = simulator.Stats();
std::cout << "total messages: " << stats.total_messages << std::endl;
std::cout << "dropped messages: " << stats.dropped_messages << std::endl;
std::cout << "timed out requests: " << stats.timed_out_requests << std::endl;
std::cout << "total requests: " << stats.total_requests << std::endl;
std::cout << "total responses: " << stats.total_responses << std::endl;
std::cout << "simulator ticks: " << stats.simulator_ticks << std::endl;
std::cout << "========================== SUCCESS :) ==========================" << std::endl;
}
} // namespace memgraph::query::v2::tests
int main() {
spdlog::cfg::load_env_levels();
memgraph::query::v2::tests::DoTest();
}