Traefik V2.0 指标与 Prometheus

Question

如果我想使用 Prometheus 捕获 Traefik 的指标，则只有在激活 insecure= true 时才有效。如果我设置 insecure=false 我会得到 404。也许有人有一个正确配置的示例。那么Traefik（V2.0 CLI）和prometheus.yml的配置。

traefik.yml 命令部分：

      command:
        - "--metrics=true"
        - "--metrics.prometheus=true"
        - "--metrics.prometheus.buckets=0.100000, 0.300000, 1.200000, 5.000000"
        - "--metrics.prometheus.entrypoint='metrics'"
        - "--metrics.prometheus.addEntryPointsLabels=true"
        - "--metrics.prometheus.addServicesLabels=true"

        - "--api=true"
        - "--api.dashboard=true"

        - "--log.level=INFO"

        - "--providers.docker=true"
        - "--providers.docker.swarmmode=true"
        - "--providers.docker.exposedbydefault=false"

        - "--entrypoints.web.address=:80"
        - "--entrypoints.websecure.address=:443"
        - "--certificatesResolvers.sec.acme.email=foo@bar.com"
        - "--certificatesResolvers.sec.acme.storage=/letsencrypt/acme.json"
        - "--certificatesResolvers.sec.acme.httpChallenge.entryPoint=web"
      deploy:
        labels:
            - "traefik.enable=true"

            - "traefik.http.routers.api.rule=PathPrefix(`/api`) || PathPrefix(`/dashboard`)"
            - "traefik.http.routers.api.rule=Host(`foo.bar`)"

            - "traefik.http.routers.api.service=api@internal"
            - "traefik.http.routers.api.middlewares=myauth"
            - "traefik.http.services.api.loadbalancer.server.port=8080"
            - "traefik.http.routers.api.tls.certresolver=sec"
            - "traefik.http.middlewares.myauth.basicauth.users=xxx"

普罗米修斯.yml：

global:
    scrape_interval: 10s
    scrape_timeout: 10s
scrape_configs:
    - job_name: 'pushgateway'
      static_configs:
              - targets: ['pushgateway:9091']
      honor_labels: true
    - job_name: 'traefik'
      scheme: https
      static_configs:
              - targets: ['foo.bar']
      basic_auth:
              username: myusername
              password: mypassword

Answer 1

如果你在 docker 中，首先暴露 8082 端口。

并在启动 Traefik 时添加这些命令。

--metrics.prometheus=true
--metrics.prometheus.entryPoint=metrics
--entryPoints.metrics.address=:8082

访问该指标domain:8082/metrics

如果您还添加以下标签，它将允许您访问 上的指标traefikmetrics.mydomain.com/metrics。您需要根据您的设置填写尖括号中的值。

traefik.http.routers.traefikmetrics.entrypoints: <http or https entrypoint>
traefik.http.routers.traefikmetrics.rule: Host(`traefikmetrics.mydomain.com`)
traefik.http.services.<traefik-service-name>.loadbalancer.server.port: 8082