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    <title>DEV Community: Adriano</title>
    <description>The latest articles on DEV Community by Adriano (@desenvolvendo-bits).</description>
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      <title>Observabilidade com OpenTelemetry e .Net Core</title>
      <dc:creator>Adriano</dc:creator>
      <pubDate>Wed, 14 Aug 2024 19:15:18 +0000</pubDate>
      <link>https://dev.to/desenvolvendo-bits/observabilidade-com-opentelemetry-e-net-core-254g</link>
      <guid>https://dev.to/desenvolvendo-bits/observabilidade-com-opentelemetry-e-net-core-254g</guid>
      <description>&lt;p&gt;Com o rápido avanço dos sistemas de tecnologia, e o número diverso de micro serviços necessários para atender o funcionamento de um negócio, vem se tornando cada vez mais complexo a gestão e busca por qualidade no desenvolvimento e principalmente em produção. O OpenTelemetry surgiu como uma proposta de solução capaz de facilitar e acelerar a implementação de monitoramento de aplicações modernas.&lt;/p&gt;

&lt;h2&gt;
  
  
  O que é o OpenTelemetry?
&lt;/h2&gt;

&lt;p&gt;O OpenTelemetry é um framework de observabilidade de código aberto que permite às equipes de desenvolvimento gerar, processar e transmitir &lt;strong&gt;dados de telemetria&lt;/strong&gt; em um formato unificado, provendo um conjunto de &lt;strong&gt;APIs&lt;/strong&gt;, &lt;strong&gt;SDKs&lt;/strong&gt; e ferramentas padronizados e independentes de fornecedor para coletar e exportar esses dados de telemetria. &lt;/p&gt;

&lt;p&gt;Desenvolvido pela Cloud Native Computing Foundation &lt;strong&gt;(CNCF)&lt;/strong&gt; com o objetivo de padronizar a coleta e roteamento de métricas, logs e traces para plataformas de monitoramento diversas.&lt;/p&gt;

&lt;p&gt;Ao utilizar o OpenTelemetry podemos desacoplar nossos sistemas dos backends de observabilidade, pois o mesmo provê capacidade de instrumentar o código para gerar dados padronizados de telemetria e enviá-los utilizando o protocolo &lt;strong&gt;OTLP&lt;/strong&gt;.&lt;/p&gt;

&lt;h2&gt;
  
  
  Como funciona?
&lt;/h2&gt;

&lt;p&gt;Junto com as ferramentas, APIs e SDKs o OpenTelemetry disponibiliza um agente (&lt;strong&gt;Collector&lt;/strong&gt;) responsável por receber os dados das suas aplicações e enviar para os backends de observabilidade.&lt;/p&gt;

&lt;h3&gt;
  
  
  Arquitetura do Collector
&lt;/h3&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fytx825nyousw53b7281q.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fytx825nyousw53b7281q.png" alt="Image description" width="800" height="434"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Uma das boas práticas de uso do OpenTelemetry é fazer o deploy do Collector em um servidor separado da aplicação, e configurar a aplicação para enviar dados para o endpoint do mesmo.&lt;/p&gt;

&lt;p&gt;Componentes do Collector:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Receptores (Receivers):&lt;/strong&gt; Responsáveis por receber dados de telemetria de várias fontes. Eles podem lidar com diferentes formatos, como OTLP (OpenTelemetry Protocol), Jaeger, Prometheus e até ferramentas comerciais ou proprietárias. Um receptor pode receber traces de solicitações HTTP, métricas de um serviço específico ou logs de aplicativos.&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Exportadores (Exporters):&lt;/strong&gt; Responsáveis por enviar os dados de telemetria processados para os backends de observabilidade, como Jaeger, Zipkin, Prometheus ou qualquer outro destino. Entre os exportadores, os baseados no OpenTelemetry Protocol (OTLP) são especialmente relevantes, pois mantêm a integridade dos dados sem perda de informações.&lt;/p&gt;&lt;/li&gt;
&lt;li&gt;&lt;p&gt;&lt;strong&gt;Processadores (Processors):&lt;/strong&gt; Atuam na transformação e filtragem dos dados de telemetria antes de serem exportados. Permitindo aplicar regras de negócios, agregar informações, adicionar campos personalizados ou até mesmo reduzir o volume de dados. Por exemplo, um processador pode enriquecer traces com informações contextuais ou remover spans irrelevantes&lt;/p&gt;&lt;/li&gt;
&lt;/ul&gt;

&lt;blockquote&gt;
&lt;p&gt;Também podemos instrumentar a aplicação e enviar os dados de telemetria diretamente para os backends de observabilidade sem utilizar o collector, desta forma tornando o uso mais simples sem a necessidade de mais uma peça para gerenciar, mas em contra partida gerando forte acoplamento entre o código do sistema e o backend de observabilidade.&lt;/p&gt;
&lt;/blockquote&gt;

&lt;h2&gt;
  
  
  Projeto de exemplo
&lt;/h2&gt;

&lt;p&gt;Para exemplificar melhor o funcionamento do OpenTelemetry, vamos desenvolver alguns projetos .Net Core do tipo WebApi, simulando um sistema de pedidos. Também iremos usar o Docker e Docker Compose para subir as aplicações e alguns backends de observabilidade (Prometheus, Grafana, Jaeger).&lt;/p&gt;

&lt;h3&gt;
  
  
  Estrutura do projeto
&lt;/h3&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fti2jsshviofjf1py1bd4.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fti2jsshviofjf1py1bd4.png" alt="Image description" width="800" height="266"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;h4&gt;
  
  
  Criando os projetos e fazendo a instrumentação.
&lt;/h4&gt;

&lt;p&gt;Os 3 projetos é do tipo  WebApi versão .net core 8, após criar o projetos vamos instalar os seguintes pacotes:&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ft1wk690txdvauqqsx97m.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ft1wk690txdvauqqsx97m.png" alt="Image description" width="800" height="356"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;Na classe &lt;code&gt;Program.cs&lt;/code&gt; vamos fazer a instrumentação da aplicação:&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Definindo url do collector e adicionamento SDK do OpenTelemetry.
&lt;/li&gt;
&lt;/ul&gt;

&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight csharp"&gt;&lt;code&gt;&lt;span class="kt"&gt;var&lt;/span&gt; &lt;span class="n"&gt;tracingOtlpGrpcEndpoint&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="s"&gt;"http://otel-collector:4317"&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
&lt;span class="kt"&gt;var&lt;/span&gt; &lt;span class="n"&gt;otel&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="n"&gt;builder&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Services&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddOpenTelemetry&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;


&lt;ul&gt;
&lt;li&gt;Configurando OpenTelemetry Resource e o nome da aplicação que será registrado nos dados de telemetria.
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight csharp"&gt;&lt;code&gt;&lt;span class="n"&gt;otel&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;ConfigureResource&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;resource&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt; &lt;span class="n"&gt;resource&lt;/span&gt;
    &lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddService&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;serviceName&lt;/span&gt;&lt;span class="p"&gt;:&lt;/span&gt; &lt;span class="n"&gt;builder&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Environment&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;ApplicationName&lt;/span&gt;&lt;span class="p"&gt;));&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;


&lt;ul&gt;
&lt;li&gt;Instrumentando a aplicação para enviar métricas.
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight csharp"&gt;&lt;code&gt;&lt;span class="n"&gt;otel&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;WithMetrics&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;metrics&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt; &lt;span class="n"&gt;metrics&lt;/span&gt;
    &lt;span class="c1"&gt;// Metrics provider from OpenTelemetry    &lt;/span&gt;
    &lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddHttpClientInstrumentation&lt;/span&gt;&lt;span class="p"&gt;()&lt;/span&gt;
    &lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddAspNetCoreInstrumentation&lt;/span&gt;&lt;span class="p"&gt;()&lt;/span&gt;
    &lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddMeter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"PedidoApiMetrics"&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;

    &lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddOtlpExporter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;otlpOptions&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt; 
    &lt;span class="p"&gt;{&lt;/span&gt;
        &lt;span class="n"&gt;otlpOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Endpoint&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="k"&gt;new&lt;/span&gt; &lt;span class="nf"&gt;Uri&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;tracingOtlpGrpcEndpoint&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
    &lt;span class="p"&gt;})&lt;/span&gt;
    &lt;span class="p"&gt;);&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;


&lt;ul&gt;
&lt;li&gt;Instrumentando a aplicação para enviar tracing.
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight csharp"&gt;&lt;code&gt;&lt;span class="n"&gt;otel&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;WithTracing&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;tracing&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt;
&lt;span class="p"&gt;{&lt;/span&gt;
    &lt;span class="n"&gt;tracing&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddAspNetCoreInstrumentation&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
    &lt;span class="n"&gt;tracing&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddHttpClientInstrumentation&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
    &lt;span class="n"&gt;tracing&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddSource&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="s"&gt;"PedidoApi"&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;
    &lt;span class="k"&gt;if&lt;/span&gt; &lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;tracingOtlpGrpcEndpoint&lt;/span&gt; &lt;span class="p"&gt;!=&lt;/span&gt; &lt;span class="k"&gt;null&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt;
    &lt;span class="p"&gt;{&lt;/span&gt;
        &lt;span class="n"&gt;tracing&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddOtlpExporter&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;otlpOptions&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt;
         &lt;span class="p"&gt;{&lt;/span&gt;
             &lt;span class="n"&gt;otlpOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Endpoint&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="k"&gt;new&lt;/span&gt; &lt;span class="nf"&gt;Uri&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;tracingOtlpGrpcEndpoint&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;             
         &lt;span class="p"&gt;});&lt;/span&gt;
    &lt;span class="p"&gt;}&lt;/span&gt;
    &lt;span class="k"&gt;else&lt;/span&gt;
    &lt;span class="p"&gt;{&lt;/span&gt;
        &lt;span class="n"&gt;tracing&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddConsoleExporter&lt;/span&gt;&lt;span class="p"&gt;();&lt;/span&gt;
    &lt;span class="p"&gt;}&lt;/span&gt;
&lt;span class="p"&gt;});&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;


&lt;ul&gt;
&lt;li&gt;Instrumentando a aplicação para enviar logs.
&lt;/li&gt;
&lt;/ul&gt;
&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight csharp"&gt;&lt;code&gt;&lt;span class="n"&gt;otel&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;WithLogging&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;logging&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt; 
&lt;span class="p"&gt;{&lt;/span&gt;                    
    &lt;span class="n"&gt;logging&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="nf"&gt;AddOtlpExporter&lt;/span&gt;&lt;span class="p"&gt;((&lt;/span&gt;&lt;span class="n"&gt;otlpOptions&lt;/span&gt;&lt;span class="p"&gt;,&lt;/span&gt; &lt;span class="n"&gt;processorOptions&lt;/span&gt;&lt;span class="p"&gt;)&lt;/span&gt; &lt;span class="p"&gt;=&amp;gt;&lt;/span&gt;
    &lt;span class="p"&gt;{&lt;/span&gt;        
        &lt;span class="n"&gt;otlpOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;Endpoint&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="k"&gt;new&lt;/span&gt; &lt;span class="nf"&gt;Uri&lt;/span&gt;&lt;span class="p"&gt;(&lt;/span&gt;&lt;span class="n"&gt;tracingOtlpGrpcEndpoint&lt;/span&gt;&lt;span class="p"&gt;);&lt;/span&gt;                
        &lt;span class="n"&gt;processorOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;BatchExportProcessorOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;ScheduledDelayMilliseconds&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="m"&gt;2000&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
        &lt;span class="n"&gt;processorOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;BatchExportProcessorOptions&lt;/span&gt;&lt;span class="p"&gt;.&lt;/span&gt;&lt;span class="n"&gt;MaxExportBatchSize&lt;/span&gt; &lt;span class="p"&gt;=&lt;/span&gt; &lt;span class="m"&gt;512&lt;/span&gt;&lt;span class="p"&gt;;&lt;/span&gt;
    &lt;span class="p"&gt;});&lt;/span&gt;
&lt;span class="p"&gt;});&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;h4&gt;
  
  
  Configurando arquivo &lt;code&gt;docker-compose.yml&lt;/code&gt;
&lt;/h4&gt;


&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight yaml"&gt;&lt;code&gt;&lt;span class="na"&gt;name&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;webapiotlp-example&lt;/span&gt;

&lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;proxy&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;driver&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;bridge&lt;/span&gt; 

&lt;span class="na"&gt;services&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;grafana&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;grafana/grafana-enterprise&lt;/span&gt;
    &lt;span class="na"&gt;container_name&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;grafana&lt;/span&gt;
    &lt;span class="na"&gt;restart&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;unless-stopped&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
     &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s1"&gt;'&lt;/span&gt;&lt;span class="s"&gt;3000:3000'&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;
    &lt;span class="na"&gt;environment&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;GF_AUTH_ANONYMOUS_ENABLED=true&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;GF_AUTH_ANONYMOUS_ORG_ROLE=Admin&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;GF_AUTH_DISABLE_LOGIN_FORM=true&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;GF_FEATURE_TOGGLES_ENABLE=traceqlEditor&lt;/span&gt;

  &lt;span class="na"&gt;grafana-loki&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;grafana/loki:3.1.0&lt;/span&gt;
    &lt;span class="na"&gt;container_name&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;grafana-loki&lt;/span&gt;    
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
     &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s1"&gt;'&lt;/span&gt;&lt;span class="s"&gt;3100:3100'&lt;/span&gt;
    &lt;span class="na"&gt;volumes&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;./grafana-loki-config.yaml:/etc/loki/local-config.yaml&lt;/span&gt;
    &lt;span class="na"&gt;command&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; 
     &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;-config.file=/etc/loki/local-config.yaml&lt;/span&gt;
     &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;-print-config-stderr=true&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;

  &lt;span class="na"&gt;otel-collector&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;otel/opentelemetry-collector-contrib:latest&lt;/span&gt;
    &lt;span class="na"&gt;command&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;--config=/etc/otel-collector-config.yaml"&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
    &lt;span class="na"&gt;volumes&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="c1"&gt;# - ./logs:/etc/output:rw      &lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;./otel-collector-config.yaml:/etc/otel-collector-config.yaml&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;1888:1888&lt;/span&gt; &lt;span class="c1"&gt;# pprof extension&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;8888:8888&lt;/span&gt; &lt;span class="c1"&gt;# Prometheus metrics exposed by the Collector&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;8889:8889&lt;/span&gt; &lt;span class="c1"&gt;# Prometheus exporter metrics&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;13133:13133&lt;/span&gt; &lt;span class="c1"&gt;# health_check extension&lt;/span&gt;
      &lt;span class="c1"&gt;# - 4317:4317 # OTLP gRPC receiver&lt;/span&gt;
      &lt;span class="c1"&gt;# - 4318:4318 # OTLP http receiver&lt;/span&gt;
      &lt;span class="c1"&gt;# - 55679:55679 # zpages extension&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;
    &lt;span class="na"&gt;depends_on&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;grafana-loki&lt;/span&gt;

  &lt;span class="na"&gt;jaeger&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;jaegertracing/all-in-one:1.48.0&lt;/span&gt;
    &lt;span class="na"&gt;restart&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;always&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;6831:6831/udp"&lt;/span&gt; &lt;span class="c1"&gt;# UDP port for Jaeger agent&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;16686:16686"&lt;/span&gt; &lt;span class="c1"&gt;# Web UI&lt;/span&gt;
      &lt;span class="c1"&gt;# - "14268:14268" # HTTP port for spans&lt;/span&gt;
      &lt;span class="c1"&gt;# - "4317:4317" # OTLP gRPC receiver for jaeger&lt;/span&gt;
      &lt;span class="c1"&gt;# - "4318:4318" # OTLP HTTP receiver for jaeger&lt;/span&gt;
    &lt;span class="na"&gt;environment&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;LOG_LEVEL=debug&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt; 

  &lt;span class="na"&gt;prometheus&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;prom/prometheus:latest&lt;/span&gt;
    &lt;span class="na"&gt;volumes&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;./prometheus.yml:/etc/prometheus/prometheus.yml&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;9090:9090"&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;

  &lt;span class="na"&gt;pedido-api&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;  &lt;span class="s"&gt;pedido-api:dev&lt;/span&gt;
    &lt;span class="na"&gt;build&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; 
      &lt;span class="na"&gt;context&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;.&lt;/span&gt;
      &lt;span class="na"&gt;dockerfile&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;./Src/00-PedidoApi/Dockerfile&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;8080:8080"&lt;/span&gt; 
    &lt;span class="na"&gt;environment&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;DELAY=2&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;BASE_ADDRESS=http://estoque-api:8080/&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;URL_POST=Estoque&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;
    &lt;span class="na"&gt;depends_on&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;otel-collector&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;jaeger&lt;/span&gt;

  &lt;span class="na"&gt;estoque-api&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;  &lt;span class="s"&gt;estoque-api:dev&lt;/span&gt;
    &lt;span class="na"&gt;build&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; 
      &lt;span class="na"&gt;context&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;.&lt;/span&gt;
      &lt;span class="na"&gt;dockerfile&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;./Src/01-EstoqueApi/Dockerfile&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;8081:8080"&lt;/span&gt;
    &lt;span class="na"&gt;environment&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;DELAY=1&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;BASE_ADDRESS=http://notafiscal-api:8080/&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;URL_POST=NotaFiscal&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt;
    &lt;span class="na"&gt;depends_on&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;otel-collector&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;jaeger&lt;/span&gt;

  &lt;span class="na"&gt;notafiscal-api&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;image&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;  &lt;span class="s"&gt;notafiscal-api:dev&lt;/span&gt;
    &lt;span class="na"&gt;build&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; 
      &lt;span class="na"&gt;context&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;.&lt;/span&gt;
      &lt;span class="na"&gt;dockerfile&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;./Src/02-NotaFiscalApi/Dockerfile&lt;/span&gt;
    &lt;span class="na"&gt;ports&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;8082:8080"&lt;/span&gt; 
    &lt;span class="na"&gt;environment&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;DELAY=0&lt;/span&gt;
    &lt;span class="na"&gt;networks&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;proxy&lt;/span&gt; 
    &lt;span class="na"&gt;depends_on&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;otel-collector&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="s"&gt;jaeger&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;h4&gt;
  
  
  Configurando receptores e exportadores no arquivo &lt;code&gt;otel-collector-config.yaml&lt;/code&gt;
&lt;/h4&gt;


&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight yaml"&gt;&lt;code&gt;&lt;span class="na"&gt;receivers&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;protocols&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;grpc&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
        &lt;span class="na"&gt;endpoint&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;otel-collector:4317&lt;/span&gt;
      &lt;span class="na"&gt;http&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
        &lt;span class="na"&gt;endpoint&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;otel-collector:4318&lt;/span&gt;

&lt;span class="na"&gt;exporters&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;  
  &lt;span class="na"&gt;debug&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;verbosity&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;detailed&lt;/span&gt;
  &lt;span class="na"&gt;prometheus&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;endpoint&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s2"&gt;"&lt;/span&gt;&lt;span class="s"&gt;0.0.0.0:8889"&lt;/span&gt;
    &lt;span class="na"&gt;send_timestamps&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;true&lt;/span&gt;
    &lt;span class="na"&gt;metric_expiration&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;180m&lt;/span&gt;
    &lt;span class="na"&gt;enable_open_metrics&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;true&lt;/span&gt;
  &lt;span class="na"&gt;logging&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;

  &lt;span class="na"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;endpoint&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;jaeger:4317&lt;/span&gt;
    &lt;span class="na"&gt;tls&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;insecure&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;true&lt;/span&gt;
  &lt;span class="na"&gt;otlphttp&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;endpoint&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;http://grafana-loki:3100/otlp&lt;/span&gt;

  &lt;span class="c1"&gt;# file:&lt;/span&gt;
  &lt;span class="c1"&gt;#   path: /etc/output/logs.json&lt;/span&gt;

&lt;span class="na"&gt;service&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;pipelines&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;traces&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;receivers&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
      &lt;span class="na"&gt;exporters&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;debug&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;logging&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
    &lt;span class="na"&gt;metrics&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;receivers&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
      &lt;span class="na"&gt;exporters&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;debug&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;logging&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;prometheus&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
    &lt;span class="na"&gt;logs&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;receivers&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;otlp&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
      &lt;span class="na"&gt;exporters&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="nv"&gt;debug&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;logging&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="nv"&gt;otlphttp&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;      
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;h4&gt;
  
  
  Configurando prometheus para coletar métricas do collector no arquivo &lt;code&gt;prometheus.yml&lt;/code&gt;
&lt;/h4&gt;


&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight yaml"&gt;&lt;code&gt;&lt;span class="na"&gt;global&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;scrape_interval&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;5s&lt;/span&gt;

&lt;span class="na"&gt;scrape_configs&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="na"&gt;job_name&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s1"&gt;'&lt;/span&gt;&lt;span class="s"&gt;otel-collector'&lt;/span&gt;
    &lt;span class="na"&gt;static_configs&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="na"&gt;targets&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="pi"&gt;[&lt;/span&gt;&lt;span class="s1"&gt;'&lt;/span&gt;&lt;span class="s"&gt;otel-collector:8888'&lt;/span&gt;&lt;span class="pi"&gt;,&lt;/span&gt; &lt;span class="s1"&gt;'&lt;/span&gt;&lt;span class="s"&gt;otel-collector:8889'&lt;/span&gt;&lt;span class="pi"&gt;]&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;h4&gt;
  
  
  Vamos capturar os logs obtidos no collector pelo grafana-loki, para funcionar local é necessário configurar no arquivo &lt;code&gt;grafana-loki-config.yaml&lt;/code&gt;
&lt;/h4&gt;


&lt;div class="highlight js-code-highlight"&gt;
&lt;pre class="highlight yaml"&gt;&lt;code&gt;&lt;span class="na"&gt;auth_enabled&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;false&lt;/span&gt;

&lt;span class="na"&gt;limits_config&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;allow_structured_metadata&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="kc"&gt;true&lt;/span&gt;

&lt;span class="na"&gt;server&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;http_listen_port&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="m"&gt;3100&lt;/span&gt;

&lt;span class="na"&gt;common&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;instance_addr&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;127.0.0.1&lt;/span&gt;
  &lt;span class="na"&gt;path_prefix&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;/loki&lt;/span&gt;
  &lt;span class="na"&gt;storage&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;filesystem&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;chunks_directory&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;/loki/chunks&lt;/span&gt;
      &lt;span class="na"&gt;rules_directory&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;/loki/rules&lt;/span&gt;
  &lt;span class="na"&gt;replication_factor&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="m"&gt;1&lt;/span&gt;
  &lt;span class="na"&gt;ring&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="na"&gt;kvstore&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
      &lt;span class="na"&gt;store&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;inmemory&lt;/span&gt;

&lt;span class="na"&gt;schema_config&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;configs&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
    &lt;span class="pi"&gt;-&lt;/span&gt; &lt;span class="na"&gt;from&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;2020-10-24&lt;/span&gt;
      &lt;span class="na"&gt;store&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;tsdb&lt;/span&gt;
      &lt;span class="na"&gt;object_store&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;filesystem&lt;/span&gt;
      &lt;span class="na"&gt;schema&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;v13&lt;/span&gt;
      &lt;span class="na"&gt;index&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
        &lt;span class="na"&gt;prefix&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;index_&lt;/span&gt;
        &lt;span class="na"&gt;period&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;24h&lt;/span&gt;

&lt;span class="na"&gt;ruler&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt;
  &lt;span class="na"&gt;alertmanager_url&lt;/span&gt;&lt;span class="pi"&gt;:&lt;/span&gt; &lt;span class="s"&gt;http://localhost:9093&lt;/span&gt;
&lt;/code&gt;&lt;/pre&gt;

&lt;/div&gt;

&lt;h2&gt;
  
  
  Executando o projeto e validando os dados coletados
&lt;/h2&gt;

&lt;ul&gt;
&lt;li&gt;Vamos criar um novo pedido fazendo uma requisição na api de pedidos usando o Postman:&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fslm0m7cdqfq9xzuywm9c.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fslm0m7cdqfq9xzuywm9c.png" alt="Image description" width="800" height="480"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Verificando no Jaeger os traces gerados:&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjqb2o4f4obi9249vyx3d.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fjqb2o4f4obi9249vyx3d.png" alt="Image description" width="800" height="256"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Verificando no Prometheus as métricas geradas:&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ffpz43h3gr6dwi0ls5k22.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Ffpz43h3gr6dwi0ls5k22.png" alt="Image description" width="800" height="240"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fcgunu4kwj3h79gg0kf1n.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fcgunu4kwj3h79gg0kf1n.png" alt="Image description" width="800" height="205"&gt;&lt;/a&gt;&lt;/p&gt;

&lt;ul&gt;
&lt;li&gt;Verificando logs enviados para o grafana loki:&lt;/li&gt;
&lt;/ul&gt;

&lt;p&gt;&lt;a href="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fhcm2p96un41xxdh0mkd0.png" class="article-body-image-wrapper"&gt;&lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fhcm2p96un41xxdh0mkd0.png" alt="Image description" width="800" height="363"&gt;&lt;/a&gt;&lt;/p&gt;
&lt;h2&gt;
  
  
  Quais são os benefícios ao utilizar o OpenTelemetry?
&lt;/h2&gt;

&lt;p&gt;Como podemos ver, ganhamos muito ao utilizar o OpenTelemetry, com ele podemos implementar de uma forma simples e padronizada rastreabilidade de ponta a ponta em nossas aplicações, ajudando na identificação de gargalos e melhoria de desempenho. Também nos auxilia na detecção de erros, mostrando todo o fluxo de solicitações e logs. Não tenho dúvidas que é uma ferramenta essencial que irá ajudar o desenvolvedor a obter melhor qualidade em seus projetos.&lt;/p&gt;


&lt;div class="ltag-github-readme-tag"&gt;
  &lt;div class="readme-overview"&gt;
    &lt;h2&gt;
      &lt;img src="https://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto/https%3A%2F%2Fassets.dev.to%2Fassets%2Fgithub-logo-5a155e1f9a670af7944dd5e12375bc76ed542ea80224905ecaf878b9157cdefc.svg" alt="GitHub logo"&gt;
      &lt;a href="https://github.com/acslook" rel="noopener noreferrer"&gt;
        acslook
      &lt;/a&gt; / &lt;a href="https://github.com/acslook/WebApiOTLP-Example" rel="noopener noreferrer"&gt;
        WebApiOTLP-Example
      &lt;/a&gt;
    &lt;/h2&gt;
    &lt;h3&gt;
      
    &lt;/h3&gt;
  &lt;/div&gt;
&lt;/div&gt;



&lt;h2&gt;
  
  
  Agradecimento
&lt;/h2&gt;

&lt;p&gt;Obrigado por ler até aqui. Se você tiver alguma dúvida ou sugestão, não deixe de comentar.&lt;/p&gt;

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