【腾讯犀牛鸟开源课题实战】prometheus插件专项建设（PUSH模式支持等） #175
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| Original file line number | Diff line number | Diff line change |
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| #include <chrono> | ||
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| #include <thread> | ||
| #include "trpc/metrics/prometheus/prometheus_metrics_api.h" | ||
| #include "trpc/log/trpc_log.h" | ||
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| int main(int argc, char** argv) { | ||
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| while (true) { | ||
| if (::trpc::prometheus::PushMetricsInfo()) | ||
| { | ||
| std::cout << "Successfully pushed metrics to Pushgateway" << std::endl; | ||
| } else { | ||
| std::cerr << "Failed to push metrics to Pushgateway" << std::endl; | ||
| } | ||
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| std::this_thread::sleep_for(std::chrono::seconds(5)); // 每60秒推送一次 | ||
| } | ||
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| return 0; | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| <div id="layer1"> | ||
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| <p class="nonplot-variable">gcc_version: <span id="value-gcc_version">11.4.0</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">kernel: <span id="value-kernel">Linux 1dab1b7b0173 5.15.0-113-generic #123~20.04.1-Ubuntu SMP Wed Jun 12 17:33:13 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux | ||
| </span></p> | ||
| <br> | ||
| <p class="nonplot-variable">core_nums: <span id="value-core_nums">80</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">user_name: <span id="value-user_name">unknown</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">work_directory: <span id="value-work_directory">/home/TRPC/trpc-cpp</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">command_line: <span id="value-command_line">./bazel-bin/examples/features/prometheus/proxy/forward_server | ||
| --config=examples/features/prometheus/proxy/trpc_cpp_fiber.yaml | ||
| </span></p> | ||
| <br> | ||
| <p class="nonplot-variable">running_time: <span id="value-running_time">15.100000(hours)</span></p> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_loadavg_1m: <span id="value-proc_loadavg_1m">18.080000</span></u></font></p> | ||
| <div class="detail"><div id="proc_loadavg_1m" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_loadavg_5m: <span id="value-proc_loadavg_5m">33.330000</span></u></font></p> | ||
| <div class="detail"><div id="proc_loadavg_5m" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_loadavg_15m: <span id="value-proc_loadavg_15m">33.260000</span></u></font></p> | ||
| <div class="detail"><div id="proc_loadavg_15m" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_real_time: <span id="value-proc_real_time">1076(secs)</span></u></font></p> | ||
| <div class="detail"><div id="proc_real_time" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_sys_time: <span id="value-proc_sys_time">700(secs)</span></u></font></p> | ||
| <div class="detail"><div id="proc_sys_time" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_user_time: <span id="value-proc_user_time">376(secs)</span></u></font></p> | ||
| <div class="detail"><div id="proc_user_time" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="nonplot-variable">pgrp: <span id="value-pgrp">1271218</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">ppid: <span id="value-ppid">1262277</span></p> | ||
| <br> | ||
| <p class="nonplot-variable">pid: <span id="value-pid">1271218</span></p> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_faults_major: <span id="value-proc_faults_major">0</span></u></font></p> | ||
| <div class="detail"><div id="proc_faults_major" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_faults_minor_second: <span id="value-proc_faults_minor_second">567953</span></u></font></p> | ||
| <div class="detail"><div id="proc_faults_minor_second" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="nonplot-variable">fd_count: <span id="value-fd_count">21</span></p> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_io_read_bytes_second: <span id="value-proc_io_read_bytes_second">8192</span></u></font></p> | ||
| <div class="detail"><div id="proc_io_read_bytes_second" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_io_read_second: <span id="value-proc_io_read_second">257383</span></u></font></p> | ||
| <div class="detail"><div id="proc_io_read_second" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_io_write_bytes_second: <span id="value-proc_io_write_bytes_second">44539904</span></u></font></p> | ||
| <div class="detail"><div id="proc_io_write_bytes_second" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_io_write_second: <span id="value-proc_io_write_second">10908</span></u></font></p> | ||
| <div class="detail"><div id="proc_io_write_second" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_mem_drs: <span id="value-proc_mem_drs">171592</span></u></font></p> | ||
| <div class="detail"><div id="proc_mem_drs" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_mem_resident: <span id="value-proc_mem_resident">33043</span></u></font></p> | ||
| <div class="detail"><div id="proc_mem_resident" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_mem_share: <span id="value-proc_mem_share">3177</span></u></font></p> | ||
| <div class="detail"><div id="proc_mem_share" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_mem_trs: <span id="value-proc_mem_trs">3385</span></u></font></p> | ||
| <div class="detail"><div id="proc_mem_trs" class="flot-placeholder"></div></div> | ||
| <br> | ||
| <p class="variable"><font color='#0000FF'><u>proc_mem_size: <span id="value-proc_mem_size">486951</span></u></font></p> | ||
| <div class="detail"><div id="proc_mem_size" class="flot-placeholder"></div></div> | ||
| <br> | ||
| </div> | ||
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| Original file line number | Diff line number | Diff line change |
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@@ -18,11 +18,66 @@ | |
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| namespace trpc::admin { | ||
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| PrometheusHandler::PrometheusHandler() { | ||
| description_ = "[GET /metrics] get prometheus metrics"; | ||
| bool ret = TrpcConfig::GetInstance()->GetPluginConfig<PrometheusConfig>( | ||
| "metrics", trpc::prometheus::kPrometheusMetricsName, prometheus_conf_); | ||
| if (!ret) { | ||
| TRPC_LOG_WARN( | ||
| "Failed to obtain Prometheus plugin configuration from the framework configuration file. Default configuration " | ||
| "will be used."); | ||
| } | ||
| auto& cfg = prometheus_conf_.auth_cfg; | ||
| if (cfg.count("username") && cfg.count("password")) { | ||
| username_ = cfg["username"]; | ||
| password_ = cfg["password"]; | ||
| has_cfg = true; | ||
| } else { | ||
| TRPC_LOG_INFO("can not found prometheus auth config"); | ||
| has_cfg = false; | ||
| } | ||
|
There was a problem hiding this comment. 构造函数做了太复杂的事情，可以定义一个Init函数，把这部分逻辑放在Init函数里 |
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| } | ||
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| void PrometheusHandler::CommandHandle(http::HttpRequestPtr req, rapidjson::Value& result, | ||
| rapidjson::Document::AllocatorType& alloc) { | ||
| static std::unique_ptr<::prometheus::Serializer> serializer = std::make_unique<::prometheus::TextSerializer>(); | ||
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| if (has_cfg) { | ||
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There was a problem hiding this comment. has_cfg变量名不好，看起来只跟鉴权判断相关，同时可以考虑把鉴权相关信息统一放在一个结构体里。 |
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| std::string token = req->GetHeader("Authorization"); | ||
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There was a problem hiding this comment. 这块逻辑有啥用？看起来只是判断用户名和密码是否匹配，判断之后有啥用？ There was a problem hiding this comment. 用户名和密码，在prometheus的gateway服务哪里能配置呢？文档有给出吗？ There was a problem hiding this comment. 想起来了，这是pull模式的，那用户名和密码在prometheus服务器里哪里能配置呢？ There was a problem hiding this comment. 文档我还没有写，确认一下，Prometheus鉴权相关的使用方法是直接添加在prometheus_metrics.md吗？ |
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| auto splited = Split(token, ' '); | ||
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| if (splited.size() != 2) { | ||
| result.AddMember("message", "wrong request without authorization", alloc); | ||
| TRPC_LOG_INFO("error token: " << token); | ||
| return; | ||
| } | ||
| if (splited[0] != "Basic") { | ||
| result.AddMember("message", "wrong request without right auth", alloc); | ||
| TRPC_LOG_INFO("error token: " << token); | ||
| return; | ||
| } | ||
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| std::string username_pwd = http::Base64Decode(std::begin(splited[1]), std::end(splited[1])); | ||
| auto sp = Split(username_pwd, ':'); | ||
| if (sp.size() != 2) { | ||
| result.AddMember("message", "wrong request without authorization", alloc); | ||
| TRPC_LOG_INFO("error token: " << token); | ||
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| return; | ||
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| } | ||
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| auto username = sp[0]; | ||
| if (username != username_) { | ||
| result.AddMember("message", "wrong request without right username", alloc); | ||
| TRPC_LOG_INFO("error username: " << username << ",right username: " << username_); | ||
| return; | ||
| } | ||
| auto pwd = sp[1]; | ||
| if (pwd != password_) { | ||
| result.AddMember("message", "wrong request without right password", alloc); | ||
| TRPC_LOG_INFO("error password: " << pwd << ",right password: " << password_); | ||
| return; | ||
| } | ||
| } | ||
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| std::string prometheus_str = serializer->Serialize(trpc::prometheus::Collect()); | ||
| result.AddMember(rapidjson::StringRef("trpc-html"), rapidjson::Value(prometheus_str, alloc).Move(), alloc); | ||
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默认关闭prometheus，这行可以删掉