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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
|
#include "interconnect_mon.h"
#include "interconnect_tcp_proxy.h"
#include <library/cpp/json/json_value.h>
#include <library/cpp/json/json_writer.h>
#include <library/cpp/monlib/service/pages/templates.h>
#include <openssl/ssl.h>
#include <openssl/pem.h>
namespace NInterconnect {
using namespace NActors;
class TInterconnectMonActor : public TActor<TInterconnectMonActor> {
class TQueryProcessor : public TActorBootstrapped<TQueryProcessor> {
const TActorId Sender;
const bool Json;
TMap<ui32, TInterconnectProxyTCP::TProxyStats> Stats;
ui32 PendingReplies = 0;
public:
static constexpr IActor::EActorActivity ActorActivityType() {
return INTERCONNECT_MONACTOR;
}
TQueryProcessor(const TActorId& sender, bool json)
: Sender(sender)
, Json(json)
{}
void Bootstrap(const TActorContext& ctx) {
Become(&TThis::StateFunc, ctx, TDuration::Seconds(5), new TEvents::TEvWakeup);
Send(GetNameserviceActorId(), new TEvInterconnect::TEvListNodes);
}
void Handle(TEvInterconnect::TEvNodesInfo::TPtr ev, const TActorContext& ctx) {
TActorSystem* const as = ctx.ExecutorThread.ActorSystem;
for (const auto& node : ev->Get()->Nodes) {
Send(as->InterconnectProxy(node.NodeId), new TInterconnectProxyTCP::TEvQueryStats, IEventHandle::FlagTrackDelivery);
++PendingReplies;
}
GenerateResultWhenReady(ctx);
}
STRICT_STFUNC(StateFunc,
HFunc(TEvInterconnect::TEvNodesInfo, Handle)
HFunc(TInterconnectProxyTCP::TEvStats, Handle)
CFunc(TEvents::TSystem::Undelivered, HandleUndelivered)
CFunc(TEvents::TSystem::Wakeup, HandleWakeup)
)
void Handle(TInterconnectProxyTCP::TEvStats::TPtr& ev, const TActorContext& ctx) {
auto *msg = ev->Get();
Stats.emplace(msg->PeerNodeId, std::move(msg->ProxyStats));
--PendingReplies;
GenerateResultWhenReady(ctx);
}
void HandleUndelivered(const TActorContext& ctx) {
--PendingReplies;
GenerateResultWhenReady(ctx);
}
void HandleWakeup(const TActorContext& ctx) {
PendingReplies = 0;
GenerateResultWhenReady(ctx);
}
void GenerateResultWhenReady(const TActorContext& ctx) {
if (!PendingReplies) {
if (Json) {
ctx.Send(Sender, new NMon::TEvHttpInfoRes(GenerateJson(), 0, NMon::IEvHttpInfoRes::EContentType::Custom));
} else {
ctx.Send(Sender, new NMon::TEvHttpInfoRes(GenerateHtml()));
}
Die(ctx);
}
}
TString GenerateHtml() {
TStringStream str;
HTML(str) {
TABLE_CLASS("table-sortable table") {
TABLEHEAD() {
TABLER() {
TABLEH() { str << "Peer node id"; }
TABLEH() { str << "State"; }
TABLEH() { str << "Ping"; }
TABLEH() { str << "Clock skew"; }
TABLEH() { str << "Scope id"; }
TABLEH() { str << "Encryption"; }
TABLEH() { str << "LastSessionDieTime"; }
TABLEH() { str << "TotalOutputQueueSize"; }
TABLEH() { str << "Connected"; }
TABLEH() { str << "XDC"; }
TABLEH() { str << "Host"; }
TABLEH() { str << "Port"; }
TABLEH() { str << "LastErrorTimestamp"; }
TABLEH() { str << "LastErrorKind"; }
TABLEH() { str << "LastErrorExplanation"; }
}
}
TABLEBODY() {
for (const auto& kv : Stats) {
TABLER() {
TABLED() { str << "<a href='" << kv.second.Path << "'>" << kv.first << "</a>"; }
TABLED() { str << kv.second.State; }
TABLED() {
if (kv.second.Ping != TDuration::Zero()) {
str << kv.second.Ping;
}
}
TABLED() {
if (kv.second.ClockSkew < 0) {
str << "-" << TDuration::MicroSeconds(-kv.second.ClockSkew);
} else {
str << "+" << TDuration::MicroSeconds(kv.second.ClockSkew);
}
}
TABLED() { str << ScopeIdToString(kv.second.PeerScopeId); }
TABLED() {
const char *color = kv.second.Encryption != "none" ? "green" : "red";
str << "<font color='" << color << "'>" << kv.second.Encryption << "</font>";
}
TABLED() {
if (kv.second.LastSessionDieTime != TInstant::Zero()) {
str << kv.second.LastSessionDieTime;
}
}
TABLED() { str << kv.second.TotalOutputQueueSize; }
TABLED() { str << (kv.second.Connected ? "yes" : "<strong>no</strong>"); }
TABLED() { str << (kv.second.ExternalDataChannel ? "yes" : "no"); }
TABLED() { str << kv.second.Host; }
TABLED() { str << kv.second.Port; }
TABLED() {
str << "<strong>";
if (kv.second.LastErrorTimestamp != TInstant::Zero()) {
str << kv.second.LastErrorTimestamp;
}
str << "</strong>";
}
TABLED() { str << "<strong>" << kv.second.LastErrorKind << "</strong>"; }
TABLED() { str << "<strong>" << kv.second.LastErrorExplanation << "</strong>"; }
}
}
}
}
}
return str.Str();
}
TString GenerateJson() {
NJson::TJsonValue json;
for (const auto& [nodeId, info] : Stats) {
NJson::TJsonValue item;
item["NodeId"] = nodeId;
auto id = [](const auto& x) { return x; };
auto toString = [](const auto& x) { return x.ToString(); };
#define JSON(NAME, FUN) item[#NAME] = FUN(info.NAME);
JSON(Path, id)
JSON(State, id)
JSON(PeerScopeId, ScopeIdToString)
JSON(LastSessionDieTime, toString)
JSON(TotalOutputQueueSize, id)
JSON(Connected, id)
JSON(ExternalDataChannel, id)
JSON(Host, id)
JSON(Port, id)
JSON(LastErrorTimestamp, toString)
JSON(LastErrorKind, id)
JSON(LastErrorExplanation, id)
JSON(Ping, toString)
JSON(ClockSkew, id)
JSON(Encryption, id)
#undef JSON
json[ToString(nodeId)] = item;
}
TStringStream str(NMonitoring::HTTPOKJSON);
NJson::WriteJson(&str, &json);
return str.Str();
}
};
private:
TIntrusivePtr<TInterconnectProxyCommon> Common;
public:
static constexpr IActor::EActorActivity ActorActivityType() {
return INTERCONNECT_MONACTOR;
}
TInterconnectMonActor(TIntrusivePtr<TInterconnectProxyCommon> common)
: TActor(&TThis::StateFunc)
, Common(std::move(common))
{}
STRICT_STFUNC(StateFunc,
HFunc(NMon::TEvHttpInfo, Handle)
)
void Handle(NMon::TEvHttpInfo::TPtr& ev, const TActorContext& ctx) {
const auto& params = ev->Get()->Request.GetParams();
int certinfo = 0;
if (TryFromString(params.Get("certinfo"), certinfo) && certinfo) {
ctx.Send(ev->Sender, new NMon::TEvHttpInfoRes(GetCertInfoJson(), ev->Get()->SubRequestId,
NMon::TEvHttpInfoRes::Custom));
} else {
const bool json = params.Has("fmt") && params.Get("fmt") == "json";
ctx.Register(new TQueryProcessor(ev->Sender, json));
}
}
TString GetCertInfoJson() const {
NJson::TJsonValue json(NJson::JSON_MAP);
if (const TString cert = Common ? Common->Settings.Certificate : TString()) {
struct TEx : yexception {};
try {
const auto& cert = Common->Settings.Certificate;
std::unique_ptr<BIO, void(*)(BIO*)> bio(BIO_new_mem_buf(cert.data(), cert.size()), &BIO_vfree);
if (!bio) {
throw TEx() << "BIO_new_mem_buf failed";
}
std::unique_ptr<X509, void(*)(X509*)> x509(PEM_read_bio_X509(bio.get(), nullptr, nullptr, nullptr),
&X509_free);
if (!x509) {
throw TEx() << "PEM_read_bio_X509 failed";
}
X509_NAME *name = X509_get_subject_name(x509.get());
if (!name) {
throw TEx() << "X509_get_subject_name failed";
}
char buffer[4096];
if (char *p = X509_NAME_oneline(name, buffer, sizeof(buffer))) {
json["Subject"] = p;
}
if (int loc = X509_NAME_get_index_by_NID(name, NID_commonName, -1); loc >= 0) {
if (X509_NAME_ENTRY *entry = X509_NAME_get_entry(name, loc)) {
if (ASN1_STRING *data = X509_NAME_ENTRY_get_data(entry)) {
unsigned char *cn;
if (const int len = ASN1_STRING_to_UTF8(&cn, data); len >= 0) {
json["CommonName"] = TString(reinterpret_cast<char*>(cn), len);
OPENSSL_free(cn);
}
}
}
}
auto time = [](const ASN1_TIME *t, const char *name) -> TString {
if (t) {
struct tm tm;
if (ASN1_TIME_to_tm(t, &tm)) {
return Strftime("%Y-%m-%dT%H:%M:%S%z", &tm);
} else {
throw TEx() << "ASN1_TIME_to_tm failed";
}
} else {
throw TEx() << name << " failed";
}
};
json["NotBefore"] = time(X509_get0_notBefore(x509.get()), "X509_get0_notBefore");
json["NotAfter"] = time(X509_get0_notAfter(x509.get()), "X509_get0_notAfter");
} catch (const TEx& ex) {
json["Error"] = ex.what();
}
}
TStringStream str(NMonitoring::HTTPOKJSON);
NJson::WriteJson(&str, &json);
return str.Str();
}
};
IActor *CreateInterconnectMonActor(TIntrusivePtr<TInterconnectProxyCommon> common) {
return new TInterconnectMonActor(std::move(common));
}
} // NInterconnect
|
