1a183047c0
Currently when we set a single value we need to call broadcast_to_all_shards to let observers on all shards get notified of the new value. However, the latter broadcasts all value to all shards so it's terribly inefficient. Instead, add async set_value_on_all_shards functions to broadcast a value to all shards. Use those in system_keyspace for db_config_table virtual table and in task_manager_test to update the task_manager ttl. Refs #7316 Signed-off-by: Benny Halevy <bhalevy@scylladb.com>
110 lines
4.5 KiB
C++
110 lines
4.5 KiB
C++
/*
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* Copyright (C) 2022-present ScyllaDB
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*/
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/*
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* SPDX-License-Identifier: AGPL-3.0-or-later
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*/
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#ifndef SCYLLA_BUILD_MODE_RELEASE
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#include <seastar/core/coroutine.hh>
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#include "task_manager_test.hh"
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#include "api/api-doc/task_manager_test.json.hh"
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#include "tasks/test_module.hh"
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namespace api {
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namespace tmt = httpd::task_manager_test_json;
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using namespace json;
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void set_task_manager_test(http_context& ctx, routes& r, db::config& cfg) {
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tmt::register_test_module.set(r, [&ctx] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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co_await ctx.tm.invoke_on_all([] (tasks::task_manager& tm) {
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auto m = make_shared<tasks::test_module>(tm);
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tm.register_module("test", m);
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});
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co_return json_void();
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});
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tmt::unregister_test_module.set(r, [&ctx] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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co_await ctx.tm.invoke_on_all([] (tasks::task_manager& tm) -> future<> {
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auto module_name = "test";
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auto module = tm.find_module(module_name);
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co_await module->stop();
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});
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co_return json_void();
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});
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tmt::register_test_task.set(r, [&ctx] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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sharded<tasks::task_manager>& tms = ctx.tm;
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auto it = req->query_parameters.find("task_id");
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auto id = it != req->query_parameters.end() ? tasks::task_id{utils::UUID{it->second}} : tasks::task_id::create_null_id();
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it = req->query_parameters.find("shard");
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unsigned shard = it != req->query_parameters.end() ? boost::lexical_cast<unsigned>(it->second) : 0;
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it = req->query_parameters.find("keyspace");
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std::string keyspace = it != req->query_parameters.end() ? it->second : "";
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it = req->query_parameters.find("table");
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std::string table = it != req->query_parameters.end() ? it->second : "";
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it = req->query_parameters.find("type");
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std::string type = it != req->query_parameters.end() ? it->second : "";
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it = req->query_parameters.find("entity");
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std::string entity = it != req->query_parameters.end() ? it->second : "";
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it = req->query_parameters.find("parent_id");
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tasks::task_info data;
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if (it != req->query_parameters.end()) {
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data.id = tasks::task_id{utils::UUID{it->second}};
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auto parent_ptr = co_await tasks::task_manager::lookup_task_on_all_shards(ctx.tm, data.id);
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data.shard = parent_ptr->get_status().shard;
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}
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auto module = tms.local().find_module("test");
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id = co_await module->make_task<tasks::test_task_impl>(shard, id, keyspace, table, type, entity, data);
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co_await tms.invoke_on(shard, [id] (tasks::task_manager& tm) {
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auto it = tm.get_all_tasks().find(id);
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if (it != tm.get_all_tasks().end()) {
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it->second->start();
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}
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});
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co_return id.to_sstring();
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});
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tmt::unregister_test_task.set(r, [&ctx] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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auto id = tasks::task_id{utils::UUID{req->query_parameters["task_id"]}};
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co_await tasks::task_manager::invoke_on_task(ctx.tm, id, [] (tasks::task_manager::task_ptr task) -> future<> {
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tasks::test_task test_task{task};
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co_await test_task.unregister_task();
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});
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co_return json_void();
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});
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tmt::finish_test_task.set(r, [&ctx] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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auto id = tasks::task_id{utils::UUID{req->param["task_id"]}};
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auto it = req->query_parameters.find("error");
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bool fail = it != req->query_parameters.end();
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std::string error = fail ? it->second : "";
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co_await tasks::task_manager::invoke_on_task(ctx.tm, id, [fail, error = std::move(error)] (tasks::task_manager::task_ptr task) {
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tasks::test_task test_task{task};
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if (fail) {
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test_task.finish_failed(std::make_exception_ptr(std::runtime_error(error)));
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} else {
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test_task.finish();
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}
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return make_ready_future<>();
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});
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co_return json_void();
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});
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tmt::get_and_update_ttl.set(r, [&ctx, &cfg] (std::unique_ptr<request> req) -> future<json::json_return_type> {
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uint32_t ttl = cfg.task_ttl_seconds();
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co_await cfg.task_ttl_seconds.set_value_on_all_shards(req->query_parameters["ttl"], utils::config_file::config_source::API);
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co_return json::json_return_type(ttl);
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});
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}
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}
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#endif
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