when I use the cname and cdn domain,can not get the ssl_expire_earilest_time

[conardchen]

when I use the module http_2xx to get the ssl Certificate expire time，I found my domain use the cdn and cname ,it can not get the probe_ssl_earliest_cert_expiry 。

my blacbox_exporter config:
modules: http_2xx: prober: http http: preferred_ip_protocol: "ip4" http_post_2xx: prober: http http: method: POST tcp_connect: prober: tcp pop3s_banner: prober: tcp tcp: query_response: - expect: "^+OK" tls: true tls_config: insecure_skip_verify: false grpc: prober: grpc grpc: tls: true preferred_ip_protocol: "ip4" grpc_plain: prober: grpc grpc: tls: false service: "service1" ssh_banner: prober: tcp tcp: query_response: - expect: "^SSH-2.0-" - send: "SSH-2.0-blackbox-ssh-check" 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 icmp_ttl5: prober: icmp timeout: 5s icmp: ttl: 5

my prometheus config:
`global:
external_labels:
monitor: prometheus
scrape_configs:

• job_name: 'blackbox'
  metrics_path: /probe
  params:
  module: ['http_2xx']
  static_configs:
  • targets:
    • admin.web.xxxx
      relabel_configs:
  • source_labels: [address]
    target_label: __param_target
  • source_labels: [__param_target]
    target_label: instance
  • target_label: address
    replacement: blackbox:9115
• job_name: prometheus
  kubernetes_sd_configs:
  • role: endpoints
    namespaces:
    names:
    - monitor
    metrics_path: /metrics
    relabel_configs:
  • source_labels:
    • job
      target_label: __tmp_prometheus_job_name
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_component
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_component
      regex: (server);true
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_instance
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_instance
      regex: (prometheus);true
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_name
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_name
      regex: (prometheus);true
  • action: keep
    source_labels:
    • __meta_kubernetes_endpoint_port_name
      regex: http
  • source_labels:
    • __meta_kubernetes_endpoint_address_target_kind
    • __meta_kubernetes_endpoint_address_target_name
      separator: ;
      regex: Node;(.*)
      replacement: ${1}
      target_label: node
  • source_labels:
    • __meta_kubernetes_endpoint_address_target_kind
    • __meta_kubernetes_endpoint_address_target_name
      separator: ;
      regex: Pod;(.*)
      replacement: ${1}
      target_label: pod
  • source_labels:
    • __meta_kubernetes_namespace
      target_label: namespace
  • source_labels:
    • __meta_kubernetes_service_name
      target_label: service
  • source_labels:
    • __meta_kubernetes_pod_name
      target_label: pod
  • source_labels:
    • __meta_kubernetes_pod_container_name
      target_label: container
  • action: drop
    source_labels:
    • __meta_kubernetes_pod_phase
      regex: (Failed|Succeeded)
  • source_labels:
    • __meta_kubernetes_service_name
      target_label: job
      replacement: ${1}
  • target_label: endpoint
    replacement: http
  • source_labels:
    • address
      target_label: __tmp_hash
      modulus: 1
      action: hashmod
  • source_labels:
    • __tmp_hash
      regex: 0
      action: keep
• job_name: alertmanager
  kubernetes_sd_configs:
  • role: endpoints
    namespaces:
    names:
    - monitor
    metrics_path: /metrics
    relabel_configs:
  • source_labels:
    • job
      target_label: __tmp_prometheus_job_name
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_component
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_component
      regex: (alertmanager);true
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_instance
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_instance
      regex: (prometheus);true
  • action: keep
    source_labels:
    • __meta_kubernetes_service_label_app_kubernetes_io_name
    • __meta_kubernetes_service_labelpresent_app_kubernetes_io_name
      regex: (prometheus);true
  • action: keep
    source_labels:
    • __meta_kubernetes_endpoint_port_name
      regex: http
  • source_labels:
    • __meta_kubernetes_endpoint_address_target_kind
    • __meta_kubernetes_endpoint_address_target_name
      separator: ;
      regex: Node;(.*)
      replacement: ${1}
      target_label: node
  • source_labels:
    • __meta_kubernetes_endpoint_address_target_kind
    • __meta_kubernetes_endpoint_address_target_name
      separator: ;
      regex: Pod;(.*)
      replacement: ${1}
      target_label: pod
  • source_labels:
    • __meta_kubernetes_namespace
      target_label: namespace
  • source_labels:
    • __meta_kubernetes_service_name
      target_label: service
  • source_labels:
    • __meta_kubernetes_pod_name
      target_label: pod
  • source_labels:
    • __meta_kubernetes_pod_container_name
      target_label: container
  • action: drop
    source_labels:
    • __meta_kubernetes_pod_phase
      regex: (Failed|Succeeded)
  • source_labels:
    • __meta_kubernetes_service_name
      target_label: job
      replacement: ${1}
  • target_label: endpoint
    replacement: http
  • source_labels:
    • address
      target_label: __tmp_hash
      modulus: 1
      action: hashmod
  • source_labels:
    • __tmp_hash
      regex: 0
      action: keep
      alerting:
      alertmanagers:
  • scheme: HTTP
    static_configs:
    • targets:
      • prometheus-alertmanager.monitor.svc.cluster.local:80
        rule_files:
• rules.yaml`

[electron0zero]

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