1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
#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,
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()) {
header.RemoveParameter("retry");
header.AddMutationId();
}
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
|
