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Health Check

Status
Stability beta
Distributions contrib

Health Check extension enables an HTTP url that can be probed to check the status of the OpenTelemetry Collector. This extension can be used as a liveness and/or readiness probe on Kubernetes.

There is an optional configuration check_collector_pipeline which allows users to enable health check for the collector pipeline. This feature can monitor the number of times that components failed send data to the destinations. It only supports monitoring exporter failures and will support receivers and processors in the future.

The following settings are required:

  • endpoint (default = 0.0.0.0:13133): Address to publish the health check status. For full list of HTTPServerSettings refer here.
  • path (default = "/"): Specifies the path to be configured for the health check server.
  • check_collector_pipeline: (optional): Settings of collector pipeline health check
    • enabled (default = false): Whether enable collector pipeline check or not
    • interval (default = "5m"): Time interval to check the number of failures
    • exporter_failure_threshold (default = 5): The failure number threshold to mark containers as healthy.

Example:

extensions:
  health_check:
  health_check/1:
    endpoint: "localhost:13"
    tls:
      ca_file: "/path/to/ca.crt"
      cert_file: "/path/to/cert.crt"
      key_file: "/path/to/key.key"
    path: "/health/status"
    check_collector_pipeline:
      enabled: true
      interval: "5m"
      exporter_failure_threshold: 5

The full list of settings exposed for this exporter is documented here with detailed sample configurations here.