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57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
/*
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* Copyright (C) 2021-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: LicenseRef-ScyllaDB-Source-Available-1.1
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*/
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#include "seastarx.hh"
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#include "cql3/statements/alter_service_level_statement.hh"
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#include "service/qos/service_level_controller.hh"
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#include "service/raft/raft_group0_client.hh"
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#include "service/client_state.hh"
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#include "service/query_state.hh"
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namespace cql3 {
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namespace statements {
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alter_service_level_statement::alter_service_level_statement(sstring service_level, shared_ptr<sl_prop_defs> attrs)
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: _service_level(service_level) {
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attrs->validate();
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_slo = attrs->get_service_level_options();
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}
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std::unique_ptr<cql3::statements::prepared_statement>
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cql3::statements::alter_service_level_statement::prepare(
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data_dictionary::database db, cql_stats &stats) {
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return std::make_unique<prepared_statement>(audit_info(), ::make_shared<alter_service_level_statement>(*this));
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}
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future<> alter_service_level_statement::check_access(query_processor& qp, const service::client_state &state) const {
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return state.ensure_has_permission(auth::command_desc{.permission = auth::permission::ALTER, .resource = auth::root_service_level_resource()});
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}
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future<::shared_ptr<cql_transport::messages::result_message>>
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alter_service_level_statement::execute(query_processor& qp,
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service::query_state &state,
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const query_options &, std::optional<service::group0_guard> guard) const {
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if (_service_level == qos::service_level_controller::default_service_level_name) {
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sstring reason = seastar::format("The default service level, {}, cannot be altered",
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qos::service_level_controller::default_service_level_name);
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throw exceptions::invalid_request_exception(std::move(reason));
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}
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service::group0_batch mc{std::move(guard)};
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validate_shares_option(qp, _slo);
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qos::service_level& sl = state.get_service_level_controller().get_service_level(_service_level);
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qos::service_level_options slo = _slo.replace_defaults(sl.slo);
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auto& slc = state.get_service_level_controller();
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co_await slc.alter_distributed_service_level(_service_level, slo, mc);
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co_await slc.commit_mutations(std::move(mc));
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co_return nullptr;
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}
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}
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}
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