如何使用黑盒导出程序监视TCP终结点的SSL证书

时间:2019-09-09 09:55:24

标签: prometheus prometheus-blackbox-exporter

我需要监视tcp端点的证书过期。

我尝试配置黑盒导出器以监视tcp终结点。但不幸的是无法获得适当的结果。

我们已经使用黑盒导出器来监视https端点的ssl证书,并且它的工作原理绝对不错。但是,对于tcp端点,我们希望有类似的东西。

BlackBox导出器:

modules:
  http_2xx:
    prober: http
    timeout: 70s
    http:
      method: GET
      preferred_ip_protocol: "ip4"
      tls_config:
        insecure_skip_verify: true

  http_OpenAPI_2xx:
    prober: http
    timeout: 70s
    http:
      method: GET
      preferred_ip_protocol: "ip4"
      tls_config:
        insecure_skip_verify: true
      fail_if_not_matches_regexp:
       - "HTTP/1.1 200 OK*"

  http_post_2xx:
    prober: http
    http:
      method: POST
  tcp_connect:
    prober: tcp
    timeout: 5s
    tcp:
     tls: false
  pop3s_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^+OK"
      tls: false
      tls_config:
        insecure_skip_verify: true
  ssh_banner:
    prober: tcp
    tcp:
      query_response:
      - expect: "^SSH-2.0-"
  irc_banner:
    prober: tcp
    tcp:
      query_response:
      - send: "NICK prober"
      - send: "USER prober prober prober :prober"
      - expect: "PING :([^ ]+)"
        send: "PONG ${1}"
      - expect: "^:[^ ]+ 001"
  icmp:
    prober: icmp

普罗米修斯:

  - job_name: 'blackbox-tcp'
    metrics_path: /probe
    params:
      module: [tcp_connect]
    scrape_interval: 30s
    scrape_timeout: 20s
    static_configs:
      - targets:
                - tcp://171.17.25.12:38205
                - tcp://171.17.25.12:5071

    relabel_configs:
      - source_labels: [__address__]
        target_label: __param_target
      - source_labels: [__param_target]
        target_label: instance
      - target_label: __address__
        replacement: 171.12.30.12:9115  # Blackbox exporter.

我们要监视这些tcp端点的ssl证书

1 个答案:

答案 0 :(得分:1)

在Blackbox导出器配置中为TCP模块使用TLS选项可以完成此任务:

tcp_connect_tls:
  prober: tcp
  tcp:
    tls: true

此外,似乎为TCP探针定义的目标语法不正确。 TCP探针目标应该具有 tcp:// 前缀:

...
static_configs:
  - targets:
    - 171.17.25.12:38205
    - 171.17.25.12:5071
...