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Configuration

The Operations for Applications HPA adapter is configured via command-line flags and an optional configuration file (for external metrics).

Flags

The adapter takes the standard Kubernetes generic API server arguments.

Additionally, the following arguments are specific to this adapter:

Usage:
  --wavefront-url string                   Wavefront URL in the format https://YOUR_INSTANCE.wavefront.com.
  --wavefront-token string                 Wavefront API token with permissions to query for points.
  --wavefront-metric-prefix string         Metrics under this prefix are exposed in the custom metrics API. (default "kubernetes")
  --metrics-relist-interval duration       Interval at which to fetch the list of custom metric names from Operations for Applications. (default 10m0s)
  --api-client-timeout duration            Client timeout to Operations for Applications. (default 10s)
  --external-metrics-config string         Configuration file for driving external metrics API.
  --log-level string                       One of info, debug or trace. (default "info")

External Metrics Configuration File

Source: config.go

The configuration file is written in YAML and provided using the --external-metrics-config flag. The adapter can reload configuration changes at runtime.

A reference example is provided here.