Files
scylladb/auth/common.cc
Jesse Haber-Kucharsky f9297895c1 auth: Change the log level for async. retries
The log message is benign, but it has caused some users of Scylla to
think that an error has occurred.

Fixes #3850

Signed-off-by: Jesse Haber-Kucharsky <jhaberku@scylladb.com>
Message-Id: <ba49c38266c0e77c3ed23cfca3c1a082b3060f17.1550777586.git.jhaberku@scylladb.com>
2019-02-23 14:03:16 +02:00

111 lines
3.5 KiB
C++

/*
* Copyright (C) 2017 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 "auth/common.hh"
#include <seastar/core/shared_ptr.hh>
#include "cql3/query_processor.hh"
#include "cql3/statements/create_table_statement.hh"
#include "database.hh"
#include "schema_builder.hh"
#include "service/migration_manager.hh"
#include "timeout_config.hh"
namespace auth {
namespace meta {
const sstring DEFAULT_SUPERUSER_NAME("cassandra");
const sstring AUTH_KS("system_auth");
const sstring USERS_CF("users");
const sstring AUTH_PACKAGE_NAME("org.apache.cassandra.auth.");
}
static logging::logger auth_log("auth");
// Func must support being invoked more than once.
future<> do_after_system_ready(seastar::abort_source& as, seastar::noncopyable_function<future<>()> func) {
struct empty_state { };
return delay_until_system_ready(as).then([&as, func = std::move(func)] () mutable {
return exponential_backoff_retry::do_until_value(1s, 1min, as, [func = std::move(func)] {
return func().then_wrapped([] (auto&& f) -> std::optional<empty_state> {
if (f.failed()) {
auth_log.debug("Auth task failed with error, rescheduling: {}", f.get_exception());
return { };
}
return { empty_state() };
});
});
}).discard_result();
}
future<> create_metadata_table_if_missing(
std::string_view table_name,
cql3::query_processor& qp,
std::string_view cql,
::service::migration_manager& mm) {
auto& db = qp.db();
if (db.has_schema(meta::AUTH_KS, sstring(table_name))) {
return make_ready_future<>();
}
auto parsed_statement = static_pointer_cast<cql3::statements::raw::cf_statement>(
cql3::query_processor::parse_statement(cql));
parsed_statement->prepare_keyspace(meta::AUTH_KS);
auto statement = static_pointer_cast<cql3::statements::create_table_statement>(
parsed_statement->prepare(db, qp.get_cql_stats())->statement);
const auto schema = statement->get_cf_meta_data(qp.db());
const auto uuid = generate_legacy_id(schema->ks_name(), schema->cf_name());
schema_builder b(schema);
b.set_uuid(uuid);
return mm.announce_new_column_family(b.build(), false);
}
future<> wait_for_schema_agreement(::service::migration_manager& mm, const database& db, seastar::abort_source& as) {
static const auto pause = [] { return sleep(std::chrono::milliseconds(500)); };
return do_until([&db, &as] {
as.check();
return db.get_version() != database::empty_version;
}, pause).then([&mm, &as] {
return do_until([&mm, &as] {
as.check();
return mm.have_schema_agreement();
}, pause);
});
}
const timeout_config& internal_distributed_timeout_config() noexcept {
static const auto t = 5s;
static const timeout_config tc{t, t, t, t, t, t, t};
return tc;
}
}