Files
scylladb/auth/common.cc
Marcin Maliszkiewicz adc840919b auth: move default_superuser to common, remove _superuser member
Move default_superuser() to auth::meta in common.{hh,cc} and remove the
cached _superuser member from both standard_role_manager and
password_authenticator. The superuser name comes from config which is
immutable at runtime, so caching it is unnecessary.
2026-03-11 16:28:38 +01:00

119 lines
4.1 KiB
C++

/*
* Copyright (C) 2017-present ScyllaDB
*/
/*
* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.0
*/
#include "auth/common.hh"
#include <optional>
#include <seastar/core/coroutine.hh>
#include <seastar/core/shared_ptr.hh>
#include <seastar/core/sharded.hh>
#include "mutation/canonical_mutation.hh"
#include "mutation/timestamp.hh"
#include "utils/exponential_backoff_retry.hh"
#include "cql3/query_processor.hh"
#include "service/raft/group0_state_machine.hh"
#include "timeout_config.hh"
namespace auth {
namespace meta {
namespace legacy {
constinit const std::string_view AUTH_KS("system_auth");
} // namespace legacy
constinit const std::string_view AUTH_PACKAGE_NAME("org.apache.cassandra.auth.");
} // namespace meta
static logging::logger auth_log("auth");
std::string default_superuser(cql3::query_processor& qp) {
return qp.db().get_config().auth_superuser_name();
}
// 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 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();
}
::service::query_state& internal_distributed_query_state() noexcept {
#ifdef DEBUG
// Give the much slower debug tests more headroom for completing auth queries.
static const auto t = 30s;
#else
static const auto t = 5s;
#endif
static const timeout_config tc{t, t, t, t, t, t, t};
static thread_local ::service::client_state cs(::service::client_state::internal_tag{}, tc);
static thread_local ::service::query_state qs(cs, empty_service_permit());
return qs;
}
::service::raft_timeout get_raft_timeout() noexcept {
auto dur = internal_distributed_query_state().get_client_state().get_timeout_config().other_timeout;
return ::service::raft_timeout{.value = lowres_clock::now() + dur};
}
static future<> announce_mutations_with_guard(
::service::raft_group0_client& group0_client,
utils::chunked_vector<canonical_mutation> muts,
::service::group0_guard group0_guard,
seastar::abort_source& as,
std::optional<::service::raft_timeout> timeout) {
auto group0_cmd = group0_client.prepare_command(
::service::write_mutations{
.mutations{std::move(muts)},
},
group0_guard,
"auth: modify internal data"
);
return group0_client.add_entry(std::move(group0_cmd), std::move(group0_guard), as, timeout);
}
future<> announce_mutations(
cql3::query_processor& qp,
::service::raft_group0_client& group0_client,
const sstring query_string,
std::vector<data_value_or_unset> values,
seastar::abort_source& as,
std::optional<::service::raft_timeout> timeout) {
auto group0_guard = co_await group0_client.start_operation(as, timeout);
auto timestamp = group0_guard.write_timestamp();
auto muts = co_await qp.get_mutations_internal(
query_string,
internal_distributed_query_state(),
timestamp,
std::move(values));
utils::chunked_vector<canonical_mutation> cmuts = {muts.begin(), muts.end()};
co_await announce_mutations_with_guard(group0_client, std::move(cmuts), std::move(group0_guard), as, timeout);
}
future<> collect_mutations(
cql3::query_processor& qp,
::service::group0_batch& collector,
const sstring query_string,
std::vector<data_value_or_unset> values) {
auto muts = co_await qp.get_mutations_internal(
query_string,
internal_distributed_query_state(),
collector.write_timestamp(),
std::move(values));
collector.add_mutations(std::move(muts), format("auth internal statement: {}", query_string));
}
}