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#include <library/cpp/actors/core/actorsystem.h>
#include <library/cpp/actors/core/actor_bootstrapped.h>
#include <library/cpp/actors/core/log.h>
#include <ydb/core/node_whiteboard/node_whiteboard.h>
#include <ydb/core/protos/services.pb.h>
#include <library/cpp/json/json_reader.h>
#include <library/cpp/http/io/stream.h>
#include <library/cpp/openssl/init/init.h>
#include <library/cpp/openssl/io/stream.h>
#include <util/network/sock.h>
#include <util/system/hostname.h>
using namespace NActors;
namespace NKikimr {
class TNodeIdentifier : public TActorBootstrapped<TNodeIdentifier> {
using TThis = TNodeIdentifier;
using TBase = TActorBootstrapped<TNodeIdentifier>;
struct TEvPrivate {
enum EEv {
EvUpdateNodeInfo = EventSpaceBegin(TEvents::ES_PRIVATE),
EvEnd
};
static_assert(EvEnd < EventSpaceEnd(TEvents::ES_PRIVATE), "expected EvEnd < EventSpaceEnd");
struct TEvUpdateNodeInfo : TEventLocal<TEvUpdateNodeInfo, EvUpdateNodeInfo> {};
};
static const NJson::TJsonReaderConfig& GetJsonConfig() {
static NJson::TJsonReaderConfig jsonConfig;
return jsonConfig;
}
const TString& GetWallEServiceHost() const {
static const TString host("api.wall-e.yandex-team.ru");
return host;
}
const TNetworkAddress& GetWallENetworkAddress() const {
static const TNetworkAddress address(GetWallEServiceHost(), 443);
return address;
}
const TString& GetConductorServiceHost() const {
static const TString host("c.yandex-team.ru");
return host;
}
const TNetworkAddress& GetConductorNetworkAddress() const {
static const TNetworkAddress address(GetConductorServiceHost(), 443);
return address;
}
TDuration GetTimeout() const {
return TDuration::Seconds(10);
}
void Handle(TEvPrivate::TEvUpdateNodeInfo::TPtr&, const TActorContext& ctx) {
NKikimrWhiteboard::TSystemStateInfo systemStateInfo;
TString hostname = FQDNHostName();
systemStateInfo.SetHost(hostname);
try {
TSocket s(GetWallENetworkAddress(), GetTimeout());
s.SetSocketTimeout(GetTimeout().Seconds());
TSocketOutput so(s);
TSocketInput si(s);
TOpenSslClientIO ssl(&si, &so);
THttpOutput output(&ssl);
output << "GET /v1/hosts/" << hostname << "?fields=location HTTP/1.1\r\n"
<< "Host: " << GetWallEServiceHost() << "\r\n"
<< "\r\n";
output.Finish();
THttpInput input(&ssl);
unsigned status = ParseHttpRetCode(input.FirstLine());
if (status == 200) {
NJson::TJsonValue response;
bool success = NJson::ReadJsonTree(input.ReadAll(), &GetJsonConfig(), &response);
if (success) {
NJson::TJsonValue* jsonLocation;
if (response.GetValuePointer("location", &jsonLocation)) {
NJson::TJsonValue* jsonValue;
if (jsonLocation->GetValuePointer("short_datacenter_name", &jsonValue)) {
if (jsonValue->GetType() == NJson::EJsonValueType::JSON_STRING) {
systemStateInfo.SetDataCenter(jsonValue->GetStringRobust());
}
}
if (jsonLocation->GetValuePointer("queue", &jsonValue)) {
systemStateInfo.SetDataCenterDescription(jsonValue->GetStringRobust());
}
if (jsonLocation->GetValuePointer("rack", &jsonValue)) {
systemStateInfo.SetRack(jsonValue->GetStringRobust());
}
}
}
}
}
catch (const std::exception&) {
}
try {
TSocket s(GetConductorNetworkAddress(), GetTimeout());
s.SetSocketTimeout(GetTimeout().Seconds());
TSocketOutput so(s);
TSocketInput si(s);
TOpenSslClientIO ssl(&si, &so);
THttpOutput output(&ssl);
output << "GET /api/hosts/" << hostname << "?format=json HTTP/1.1\r\n"
<< "Host: " << GetConductorServiceHost() << "\r\n"
<< "\r\n";
output.Finish();
THttpInput input(&ssl);
unsigned status = ParseHttpRetCode(input.FirstLine());
if (status == 200) {
NJson::TJsonValue response;
bool success = NJson::ReadJsonTree(input.ReadAll(), &GetJsonConfig(), &response);
if (success && response.IsArray()) {
const NJson::TJsonValue& first = response.GetArray().front();
const NJson::TJsonValue* jsonGroup;
if (first.GetValuePointer("group", &jsonGroup)) {
systemStateInfo.SetClusterName(jsonGroup->GetStringRobust());
}
const NJson::TJsonValue* jsonRootDatacenter;
if (!systemStateInfo.HasDataCenter() && first.GetValuePointer("root_datacenter", &jsonRootDatacenter)) {
if (jsonRootDatacenter->GetType() == NJson::EJsonValueType::JSON_STRING) {
systemStateInfo.SetDataCenter(jsonRootDatacenter->GetStringRobust());
}
}
}
}
}
catch (const std::exception&) {
}
TActorId whiteboardServiceId = NNodeWhiteboard::MakeNodeWhiteboardServiceId(ctx.SelfID.NodeId());
ctx.Send(whiteboardServiceId, new NNodeWhiteboard::TEvWhiteboard::TEvSystemStateUpdate(systemStateInfo));
}
public:
static constexpr NKikimrServices::TActivity::EType ActorActivityType() { return NKikimrServices::TActivity::NODE_IDENTIFIER; }
void StateWork(TAutoPtr<IEventHandle>& ev, const TActorContext& ctx) {
switch (ev->GetTypeRewrite()) {
HFunc(TEvPrivate::TEvUpdateNodeInfo, Handle);
CFunc(TEvents::TSystem::PoisonPill, Die);
}
}
void Bootstrap(const TActorContext& ctx) {
ctx.Send(ctx.SelfID, new TEvPrivate::TEvUpdateNodeInfo());
Become(&TThis::StateWork);
}
};
IActor* CreateNodeIdentifier() {
InitOpenSSL();
return new TNodeIdentifier();
}
}
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