config.yaml

# Copyright 2021 Canonical Ltd.
# See LICENSE file for licensing details.
options:
  log-level:
    description: |
      Prometheus server log level (only log messages with the given severity
      or above). Must be one of: [debug, info, warn, error, fatal].
      If not set, the Prometheus default one (info) will be used.
    type: string
    default: info
  web-external-url:
    description: |
      The URL under which Prometheus is externally reachable (for example,
      if Prometheus is served via a reverse proxy).
      Used for generating relative and absolute links back to
      Prometheus itself. If the URL has a path portion, it will be used to
      prefix all HTTP endpoints served by Prometheus.

      If omitted, relevant URL components will be derived automatically.
    type: string
    default: ""
  metrics-retention-time:
    description: |
      How long to retain samples in the storage.
      Units Supported: y, w, d, h, m, s
    type: string
    default: 15d
  metrics-wal-compression:
    description: |
      This flag enables compression of the write-ahead log (WAL).
      Depending on your data, you can expect the WAL size to be
      halved with little extra cpu load.
    type: boolean
    default: false
  evaluation-interval:
    description: |
      How frequently rules will be evaluated.
    type: string
    default: 1m