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#include "retry_request.h"
#include "context.h"
#include "helpers.h"
#include "http_client.h"
#include "requests.h"
#include <yt/cpp/mapreduce/common/wait_proxy.h>
#include <yt/cpp/mapreduce/common/retry_lib.h>
#include <yt/cpp/mapreduce/interface/config.h>
#include <yt/cpp/mapreduce/interface/tvm.h>
#include <yt/cpp/mapreduce/interface/logging/yt_log.h>
#include <library/cpp/yson/node/node_io.h>
namespace NYT {
namespace NDetail {
////////////////////////////////////////////////////////////////////////////////
static TResponseInfo Request(
const TClientContext& context,
THttpHeader& header,
TMaybe<TStringBuf> body,
const TString& requestId,
const TRequestConfig& config)
{
TString hostName;
if (config.IsHeavy) {
hostName = GetProxyForHeavyRequest(context);
} else {
hostName = context.ServerName;
}
UpdateHeaderForProxyIfNeed(hostName, context, header);
auto url = GetFullUrlForProxy(hostName, context, header);
auto response = context.HttpClient->Request(url, requestId, config.HttpConfig, header, body);
TResponseInfo result;
result.RequestId = requestId;
result.Response = response->GetResponse();
result.HttpCode = response->GetStatusCode();
return result;
}
TResponseInfo RequestWithoutRetry(
const TClientContext& context,
TMutationId& mutationId,
THttpHeader& header,
TMaybe<TStringBuf> body,
const TRequestConfig& config)
{
if (context.ServiceTicketAuth) {
header.SetServiceTicket(context.ServiceTicketAuth->Ptr->IssueServiceTicket());
} else {
header.SetToken(context.Token);
}
if (context.ImpersonationUser) {
header.SetImpersonationUser(*context.ImpersonationUser);
}
if (header.HasMutationId()) {
if (mutationId.IsEmpty()) {
header.RemoveParameter("retry");
mutationId = header.AddMutationId();
} else {
header.AddParameter("retry", true, /* overwrite */ true);
header.SetMutationId(mutationId);
}
}
auto requestId = CreateGuidAsString();
return Request(context, header, body, requestId, config);
}
TResponseInfo RetryRequestWithPolicy(
IRequestRetryPolicyPtr retryPolicy,
const TClientContext& context,
THttpHeader& header,
TMaybe<TStringBuf> body,
const TRequestConfig& config)
{
if (context.ServiceTicketAuth) {
header.SetServiceTicket(context.ServiceTicketAuth->Ptr->IssueServiceTicket());
} else {
header.SetToken(context.Token);
}
UpdateHeaderForProxyIfNeed(context.ServerName, context, header);
if (context.ImpersonationUser) {
header.SetImpersonationUser(*context.ImpersonationUser);
}
bool useMutationId = header.HasMutationId();
bool retryWithSameMutationId = false;
if (!retryPolicy) {
retryPolicy = CreateDefaultRequestRetryPolicy(context.Config);
}
while (true) {
auto requestId = CreateGuidAsString();
try {
retryPolicy->NotifyNewAttempt();
if (useMutationId) {
if (retryWithSameMutationId) {
header.AddParameter("retry", true, /* overwrite = */ true);
} else {
header.RemoveParameter("retry");
header.AddMutationId();
}
}
return Request(context, header, body, requestId, config);
} catch (const TErrorResponse& e) {
LogRequestError(requestId, header, e.what(), retryPolicy->GetAttemptDescription());
retryWithSameMutationId = e.IsTransportError();
if (!IsRetriable(e)) {
throw;
}
auto maybeRetryTimeout = retryPolicy->OnRetriableError(e);
if (maybeRetryTimeout) {
TWaitProxy::Get()->Sleep(*maybeRetryTimeout);
} else {
throw;
}
} catch (const std::exception& e) {
LogRequestError(requestId, header, e.what(), retryPolicy->GetAttemptDescription());
retryWithSameMutationId = true;
if (!IsRetriable(e)) {
throw;
}
auto maybeRetryTimeout = retryPolicy->OnGenericError(e);
if (maybeRetryTimeout) {
TWaitProxy::Get()->Sleep(*maybeRetryTimeout);
} else {
throw;
}
}
}
Y_ABORT("Retries must have either succeeded or thrown an exception");
}
////////////////////////////////////////////////////////////////////////////////
} // namespace NDetail
} // namespace NYT
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