Files
scylladb/tests/cql_test_env.cc
2017-03-28 18:34:55 +02:00

377 lines
15 KiB
C++

/*
* Copyright (C) 2015 ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include <seastar/core/thread.hh>
#include <seastar/util/defer.hh>
#include "core/do_with.hh"
#include "cql_test_env.hh"
#include "cql3/query_processor.hh"
#include "cql3/query_options.hh"
#include "core/distributed.hh"
#include "core/shared_ptr.hh"
#include "utils/UUID_gen.hh"
#include "service/migration_manager.hh"
#include "message/messaging_service.hh"
#include "service/storage_service.hh"
#include "db/config.hh"
#include "db/batchlog_manager.hh"
#include "schema_builder.hh"
#include "tmpdir.hh"
#include "db/query_context.hh"
// TODO: remove (#293)
#include "message/messaging_service.hh"
#include "gms/failure_detector.hh"
#include "gms/gossiper.hh"
#include "service/storage_service.hh"
#include "auth/auth.hh"
static future<> tst_init_ms_fd_gossiper(db::seed_provider_type seed_provider, sstring cluster_name = "Test Cluster") {
return gms::get_failure_detector().start().then([seed_provider, cluster_name] {
// Init gossiper
std::set<gms::inet_address> seeds;
if (seed_provider.parameters.count("seeds") > 0) {
size_t begin = 0;
size_t next = 0;
sstring seeds_str = seed_provider.parameters.find("seeds")->second;
while (begin < seeds_str.length() && begin != (next=seeds_str.find(",",begin))) {
seeds.emplace(gms::inet_address(seeds_str.substr(begin,next-begin)));
begin = next+1;
}
}
if (seeds.empty()) {
seeds.emplace(gms::inet_address("127.0.0.1"));
}
return gms::get_gossiper().start().then([seeds, cluster_name] {
auto& gossiper = gms::get_local_gossiper();
gossiper.set_seeds(seeds);
gossiper.set_cluster_name(cluster_name);
});
});
}
// END TODO
class single_node_cql_env : public cql_test_env {
public:
static auto constexpr ks_name = "ks";
static std::atomic<bool> active;
private:
::shared_ptr<distributed<database>> _db;
lw_shared_ptr<tmpdir> _data_dir;
private:
struct core_local_state {
service::client_state client_state;
core_local_state()
: client_state(service::client_state::for_external_calls())
{
client_state.set_login(::make_shared<auth::authenticated_user>("cassandra"));
}
future<> stop() {
return make_ready_future<>();
}
};
distributed<core_local_state> _core_local;
private:
auto make_query_state() {
if (_db->local().has_keyspace(ks_name)) {
_core_local.local().client_state.set_keyspace(*_db, ks_name);
}
return ::make_shared<service::query_state>(_core_local.local().client_state);
}
public:
single_node_cql_env(::shared_ptr<distributed<database>> db) : _db(db)
{ }
virtual future<::shared_ptr<transport::messages::result_message>> execute_cql(const sstring& text) override {
auto qs = make_query_state();
return local_qp().process(text, *qs, cql3::query_options::DEFAULT).finally([qs, this] {
_core_local.local().client_state.merge(qs->get_client_state());
});
}
virtual future<::shared_ptr<transport::messages::result_message>> execute_cql(
const sstring& text,
std::unique_ptr<cql3::query_options> qo) override
{
auto qs = make_query_state();
auto& lqo = *qo;
return local_qp().process(text, *qs, lqo).finally([qs, qo = std::move(qo), this] {
_core_local.local().client_state.merge(qs->get_client_state());
});
}
virtual future<bytes> prepare(sstring query) override {
return qp().invoke_on_all([query, this] (auto& local_qp) {
auto qs = this->make_query_state();
return local_qp.prepare(query, *qs).finally([qs] {}).discard_result();
}).then([query, this] {
return local_qp().compute_id(query, ks_name);
});
}
virtual future<::shared_ptr<transport::messages::result_message>> execute_prepared(
bytes id,
std::vector<cql3::raw_value> values) override
{
auto prepared = local_qp().get_prepared(id);
if (!prepared) {
throw not_prepared_exception(id);
}
auto stmt = prepared->statement;
assert(stmt->get_bound_terms() == values.size());
auto options = ::make_shared<cql3::query_options>(std::move(values));
options->prepare(prepared->bound_names);
auto qs = make_query_state();
return local_qp().process_statement(stmt, *qs, *options)
.finally([options, qs, this] {
_core_local.local().client_state.merge(qs->get_client_state());
});
}
virtual future<> create_table(std::function<schema(const sstring&)> schema_maker) override {
auto id = utils::UUID_gen::get_time_UUID();
schema_builder builder(make_lw_shared(schema_maker(ks_name)));
builder.set_uuid(id);
auto s = builder.build(schema_builder::compact_storage::no);
return service::get_local_migration_manager().announce_new_column_family(s, true);
}
virtual future<> require_keyspace_exists(const sstring& ks_name) override {
auto& db = _db->local();
assert(db.has_keyspace(ks_name));
return make_ready_future<>();
}
virtual future<> require_table_exists(const sstring& ks_name, const sstring& table_name) override {
auto& db = _db->local();
assert(db.has_schema(ks_name, table_name));
return make_ready_future<>();
}
virtual future<> require_column_has_value(const sstring& table_name,
std::vector<data_value> pk,
std::vector<data_value> ck,
const sstring& column_name,
data_value expected) override {
auto& db = _db->local();
auto& cf = db.find_column_family(ks_name, table_name);
auto schema = cf.schema();
auto pkey = partition_key::from_deeply_exploded(*schema, pk);
auto ckey = clustering_key::from_deeply_exploded(*schema, ck);
auto exp = expected.type()->decompose(expected);
auto dk = dht::global_partitioner().decorate_key(*schema, pkey);
auto shard = db.shard_of(dk._token);
return _db->invoke_on(shard, [pkey = std::move(pkey),
ckey = std::move(ckey),
ks_name = std::move(ks_name),
column_name = std::move(column_name),
exp = std::move(exp),
table_name = std::move(table_name)] (database& db) mutable {
auto& cf = db.find_column_family(ks_name, table_name);
auto schema = cf.schema();
return cf.find_partition_slow(schema, pkey)
.then([schema, ckey, column_name, exp] (column_family::const_mutation_partition_ptr p) {
assert(p != nullptr);
auto row = p->find_row(*schema, ckey);
assert(row != nullptr);
auto col_def = schema->get_column_definition(utf8_type->decompose(column_name));
assert(col_def != nullptr);
const atomic_cell_or_collection* cell = row->find_cell(col_def->id);
if (!cell) {
assert(((void)"column not set", 0));
}
bytes actual;
if (!col_def->type->is_multi_cell()) {
auto c = cell->as_atomic_cell();
assert(c.is_live());
actual = { c.value().begin(), c.value().end() };
} else {
auto c = cell->as_collection_mutation();
auto type = dynamic_pointer_cast<const collection_type_impl>(col_def->type);
actual = type->to_value(type->deserialize_mutation_form(c),
cql_serialization_format::internal());
}
assert(col_def->type->equal(actual, exp));
});
});
}
virtual database& local_db() override {
return _db->local();
}
cql3::query_processor& local_qp() override {
return cql3::get_local_query_processor();
}
distributed<database>& db() override {
return *_db;
}
distributed<cql3::query_processor>& qp() override {
return cql3::get_query_processor();
}
future<> start() {
return _core_local.start();
}
future<> stop() {
return _core_local.stop();
}
future<> create_keyspace(sstring name) {
auto query = sprint("create keyspace %s with replication = { 'class' : 'org.apache.cassandra.locator.SimpleStrategy', 'replication_factor' : 1 };", name);
return execute_cql(query).discard_result();
}
static future<> do_with(std::function<future<>(cql_test_env&)> func, const db::config& cfg_in) {
return seastar::async([cfg_in, func] {
bool old_active = false;
if (!active.compare_exchange_strong(old_active, true)) {
throw std::runtime_error("Starting more than one cql_test_env at a time not supported due to singletons.");
}
auto deactivate = defer([] {
bool old_active = true;
auto success = active.compare_exchange_strong(old_active, false);
assert(success);
});
utils::fb_utilities::set_broadcast_address(gms::inet_address("localhost"));
utils::fb_utilities::set_broadcast_rpc_address(gms::inet_address("localhost"));
locator::i_endpoint_snitch::create_snitch("SimpleSnitch").get();
auto stop_snitch = defer([] { locator::i_endpoint_snitch::stop_snitch().get(); });
auto wait_for_background_jobs = defer([] { sstables::await_background_jobs_on_all_shards().get(); });
auto db = ::make_shared<distributed<database>>();
auto cfg = make_lw_shared<db::config>(std::move(cfg_in));
tmpdir data_dir;
if (!cfg->data_file_directories.is_set()) {
cfg->data_file_directories() = {data_dir.path};
}
cfg->commitlog_directory() = data_dir.path + "/commitlog.dir";
cfg->num_tokens() = 256;
cfg->ring_delay_ms() = 500;
cfg->experimental() = true;
cfg->shutdown_announce_in_ms() = 0;
boost::filesystem::create_directories((data_dir.path + "/system").c_str());
boost::filesystem::create_directories(cfg->commitlog_directory().c_str());
const gms::inet_address listen("127.0.0.1");
auto& ms = net::get_messaging_service();
ms.start(listen, std::move(7000)).get();
auto stop_ms = defer([&ms] { ms.stop().get(); });
auto& ss = service::get_storage_service();
ss.start(std::ref(*db)).get();
auto stop_storage_service = defer([&ss] { ss.stop().get(); });
db->start(std::move(*cfg)).get();
auto stop_db = defer([db] { db->stop().get(); });
// FIXME: split
tst_init_ms_fd_gossiper(db::config::seed_provider_type()).get();
auto stop_ms_fd_gossiper = defer([] {
gms::get_gossiper().stop().get();
gms::get_failure_detector().stop().get();
});
distributed<service::storage_proxy>& proxy = service::get_storage_proxy();
distributed<service::migration_manager>& mm = service::get_migration_manager();
distributed<db::batchlog_manager>& bm = db::get_batchlog_manager();
proxy.start(std::ref(*db)).get();
auto stop_proxy = defer([&proxy] { proxy.stop().get(); });
mm.start().get();
auto stop_mm = defer([&mm] { mm.stop().get(); });
auto& qp = cql3::get_query_processor();
qp.start(std::ref(proxy), std::ref(*db)).get();
auto stop_qp = defer([&qp] { qp.stop().get(); });
bm.start(std::ref(qp)).get();
auto stop_bm = defer([&bm] { bm.stop().get(); });
distributed_loader::init_system_keyspace(*db).get();
auto& ks = db->local().find_keyspace(db::system_keyspace::NAME);
parallel_for_each(ks.metadata()->cf_meta_data(), [&ks] (auto& pair) {
auto cfm = pair.second;
return ks.make_directory_for_column_family(cfm->cf_name(), cfm->id());
}).get();
distributed_loader::init_non_system_keyspaces(*db, proxy).get();
// In main.cc we call db::system_keyspace::setup which calls
// minimal_setup and init_local_cache
db::system_keyspace::minimal_setup(*db, qp);
auto stop_system_keyspace = defer([] { db::qctx = {}; });
db::system_keyspace::init_local_cache().get();
auto stop_local_cache = defer([] { db::system_keyspace::deinit_local_cache().get(); });
service::get_local_storage_service().init_server().get();
auto deinit_storage_service_server = defer([] {
gms::stop_gossiping().get();
auth::auth::shutdown().get();
});
single_node_cql_env env(db);
env.start().get();
auto stop_env = defer([&env] { env.stop().get(); });
try {
env.local_db().find_keyspace(ks_name);
} catch (const no_such_keyspace&) {
env.create_keyspace(ks_name).get();
}
func(env).get();
});
}
};
std::atomic<bool> single_node_cql_env::active = { false };
future<> do_with_cql_env(std::function<future<>(cql_test_env&)> func, const db::config& cfg_in) {
return single_node_cql_env::do_with(func, cfg_in);
}
future<> do_with_cql_env(std::function<future<>(cql_test_env&)> func) {
return do_with_cql_env(std::move(func), db::config{});
}
future<> do_with_cql_env_thread(std::function<void(cql_test_env&)> func, const db::config& cfg_in) {
return single_node_cql_env::do_with([func = std::move(func)] (auto& e) {
return seastar::async([func = std::move(func), &e] {
return func(e);
});
}, cfg_in);
}
future<> do_with_cql_env_thread(std::function<void(cql_test_env&)> func) {
return do_with_cql_env_thread(std::move(func), db::config{});
}