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我已按照https://github.com/discordianfish/nginx_exporter中给出的步骤为nginx exporter设置 docker 容器。

现在我想在 mesosphere 集群上使用 marathon 为 nginx 安装 docker 容器。如何向 docker 容器提供参数“nginx.scrape_uri”。我尝试在此链接https://mesosphere.github.io/marathon/docs/native-docker.html中使用“特权模式和任意 Docker 选项”中给出的“参数”原语但是,在 JSON 中添加参数原语使应用程序停留在“部署”状态。

我用来使用马拉松为 nginx-exporter 创建应用程序的 JSON 文件是:

{
  "id": "/nginx-exporter",
  "instances": 1,
  "cpus": 0.1,
  "mem": 25,
  "constraints": [["hostname", "UNIQUE"]],
  "acceptedResourceRoles": ["slave_public"],
  "container": {
    "type": "DOCKER",
    "docker": {
        "image": "fish/nginx-exporter",
        "network": "BRIDGE",
        "portMappings": [
                           {
                              "containerPort": 9113,
                              "hostPort": 9113,
                              "protocol": "tcp"
                           }
                        ],
        "parameters":   [   {"key": "nginx.scrape_uri", "value": "http://52.76.26.53:8080" }
                        ]
              }
  },
  "healthChecks": [{
    "protocol": "TCP",
    "gracePeriodSeconds": 600,
    "intervalSeconds": 30,
    "portIndex": 0,
    "timeoutSeconds": 10,
    "maxConsecutiveFailures": 2
  }]
}

请让我知道将参数“nginx.scrape_uri”添加到 JSON 文件的正确方法。谢谢。

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1 回答 1

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您应该使用“args”而不是“parameters”,例如:

{
  ...
  "container": {
    "type": "DOCKER",
    "docker": {
      "image": "fish/nginx-exporter",
      "network": "BRIDGE",
      "portMappings": [
        {
          "containerPort": 9113,
          "hostPort": 9113,
          "protocol": "tcp"
        }
      ]
    }
  },
  "args": [ "-nginx.scrape_uri", "http://52.76.26.53:8080" ],
  ...
}

请记住,您需要启用 nginx 存根状态模块并将导出器指向该端点: http: //nginx.org/en/docs/http/ngx_http_stub_status_module.html

于 2015-08-12T17:47:48.503 回答