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Serve prom metrics from /metrics endpoint

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Grant Limberg 2023-04-19 12:07:48 -07:00
parent ff37fe58f1
commit 328180d2e5
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GPG key ID: 8F2F97D3BE8D7735
1 changed files with 13 additions and 2 deletions
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15
service/OneService.cpp
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@ -94,8 +94,7 @@ namespace prometheus {
std::shared_ptr<Registry> registry_ptr = std::make_shared<Registry>(); std::shared_ptr<Registry> registry_ptr = std::make_shared<Registry>();
Registry& registry = *registry_ptr; Registry& registry = *registry_ptr;
SaveToFile saver(registry_ptr, std::chrono::seconds(5), std::string("./metrics.prom")); SaveToFile saver;
} }
} }
@ -859,6 +858,10 @@ public:
_ports[1] = 0; _ports[1] = 0;
_ports[2] = 0; _ports[2] = 0;
::prometheus::simpleapi::saver.set_registry(::prometheus::simpleapi::registry_ptr);
::prometheus::simpleapi::saver.set_delay(std::chrono::seconds(5));
::prometheus::simpleapi::saver.set_out_file(_homePath + ZT_PATH_SEPARATOR + "metrics.prom");
#if ZT_VAULT_SUPPORT #if ZT_VAULT_SUPPORT
curl_global_init(CURL_GLOBAL_DEFAULT); curl_global_init(CURL_GLOBAL_DEFAULT);
#endif #endif
@ -1758,6 +1761,14 @@ public:
scode = 404; scode = 404;
} }
#endif #endif
} else if (ps[0] == "metrics") {
std::string statspath = _homePath + ZT_PATH_SEPARATOR + "metrics.prom";
if (!OSUtils::readFile(statspath.c_str(), responseBody)) {
scode = 500;
} else {
scode = 200;
responseContentType = "text/plain";
}
} else { } else {
scode = 401; // isAuth == false && !sso scode = 401; // isAuth == false && !sso
} }