115 lines
4.2 KiB
C++
115 lines
4.2 KiB
C++
/*
|
|
* Copyright (C) 2023-present ScyllaDB
|
|
*/
|
|
|
|
/*
|
|
* SPDX-License-Identifier: AGPL-3.0-or-later
|
|
*/
|
|
|
|
#include "storage_service.hh"
|
|
#include "api/api-doc/storage_service.json.hh"
|
|
#include "api/api-doc/endpoint_snitch_info.json.hh"
|
|
#include "locator/token_metadata.hh"
|
|
|
|
using namespace seastar::httpd;
|
|
|
|
namespace api {
|
|
|
|
namespace ss = httpd::storage_service_json;
|
|
using namespace json;
|
|
|
|
void set_token_metadata(http_context& ctx, routes& r, sharded<locator::shared_token_metadata>& tm) {
|
|
ss::local_hostid.set(r, [&tm](std::unique_ptr<http::request> req) {
|
|
auto id = tm.local().get()->get_my_id();
|
|
return make_ready_future<json::json_return_type>(id.to_sstring());
|
|
});
|
|
|
|
ss::get_tokens.set(r, [&tm] (std::unique_ptr<http::request> req) {
|
|
return make_ready_future<json::json_return_type>(stream_range_as_array(tm.local().get()->sorted_tokens(), [](const dht::token& i) {
|
|
return fmt::to_string(i);
|
|
}));
|
|
});
|
|
|
|
ss::get_node_tokens.set(r, [&tm] (std::unique_ptr<http::request> req) {
|
|
gms::inet_address addr(req->param["endpoint"]);
|
|
auto& local_tm = *tm.local().get();
|
|
const auto host_id = local_tm.get_host_id_if_known(addr);
|
|
return make_ready_future<json::json_return_type>(stream_range_as_array(host_id ? local_tm.get_tokens(*host_id): std::vector<dht::token>{}, [](const dht::token& i) {
|
|
return fmt::to_string(i);
|
|
}));
|
|
});
|
|
|
|
ss::get_leaving_nodes.set(r, [&tm](const_req req) {
|
|
const auto& local_tm = *tm.local().get();
|
|
const auto& leaving_host_ids = local_tm.get_leaving_endpoints();
|
|
std::unordered_set<gms::inet_address> eps;
|
|
eps.reserve(leaving_host_ids.size());
|
|
for (const auto host_id: leaving_host_ids) {
|
|
eps.insert(local_tm.get_endpoint_for_host_id(host_id));
|
|
}
|
|
return container_to_vec(eps);
|
|
});
|
|
|
|
ss::get_moving_nodes.set(r, [](const_req req) {
|
|
std::unordered_set<sstring> addr;
|
|
return container_to_vec(addr);
|
|
});
|
|
|
|
ss::get_joining_nodes.set(r, [&tm](const_req req) {
|
|
const auto& local_tm = *tm.local().get();
|
|
const auto& points = local_tm.get_bootstrap_tokens();
|
|
std::unordered_set<gms::inet_address> eps;
|
|
eps.reserve(points.size());
|
|
for (const auto& [token, host_id]: points) {
|
|
eps.insert(local_tm.get_endpoint_for_host_id(host_id));
|
|
}
|
|
return container_to_vec(eps);
|
|
});
|
|
|
|
ss::get_host_id_map.set(r, [&tm](const_req req) {
|
|
std::vector<ss::mapper> res;
|
|
return map_to_key_value(tm.local().get()->get_endpoint_to_host_id_map_for_reading(), res);
|
|
});
|
|
|
|
static auto host_or_broadcast = [&tm](const_req req) {
|
|
auto host = req.get_query_param("host");
|
|
return host.empty() ? tm.local().get()->get_topology().my_address() : gms::inet_address(host);
|
|
};
|
|
|
|
httpd::endpoint_snitch_info_json::get_datacenter.set(r, [&tm](const_req req) {
|
|
auto& topology = tm.local().get()->get_topology();
|
|
auto ep = host_or_broadcast(req);
|
|
if (!topology.has_endpoint(ep)) {
|
|
// Cannot return error here, nodetool status can race, request
|
|
// info about just-left node and not handle it nicely
|
|
return locator::endpoint_dc_rack::default_location.dc;
|
|
}
|
|
return topology.get_datacenter(ep);
|
|
});
|
|
|
|
httpd::endpoint_snitch_info_json::get_rack.set(r, [&tm](const_req req) {
|
|
auto& topology = tm.local().get()->get_topology();
|
|
auto ep = host_or_broadcast(req);
|
|
if (!topology.has_endpoint(ep)) {
|
|
// Cannot return error here, nodetool status can race, request
|
|
// info about just-left node and not handle it nicely
|
|
return locator::endpoint_dc_rack::default_location.rack;
|
|
}
|
|
return topology.get_rack(ep);
|
|
});
|
|
}
|
|
|
|
void unset_token_metadata(http_context& ctx, routes& r) {
|
|
ss::local_hostid.unset(r);
|
|
ss::get_tokens.unset(r);
|
|
ss::get_node_tokens.unset(r);
|
|
ss::get_leaving_nodes.unset(r);
|
|
ss::get_moving_nodes.unset(r);
|
|
ss::get_joining_nodes.unset(r);
|
|
ss::get_host_id_map.unset(r);
|
|
httpd::endpoint_snitch_info_json::get_datacenter.unset(r);
|
|
httpd::endpoint_snitch_info_json::get_rack.unset(r);
|
|
}
|
|
|
|
}
|