rules-geohashing.yml

# SPDX-FileCopyrightText: 2022 Alvar Penning
#
# SPDX-License-Identifier: GPL-3.0-or-later

groups:
- name: geohashing
  rules:
  - alert: GeoHashNearby
    expr: 6367 * 2 * (sqrt(((sin(((50.810222 - geohashing_lat) * 0.017453292519943295) / 2.0)) * (sin(((50.810222 - geohashing_lat) * 0.017453292519943295) / 2.0))) + cos(geohashing_lat * 0.017453292519943295) * 0.6318910366547 * ((sin(((8.767017 - geohashing_lon) * 0.017453292519943295) / 2.0)) * (sin(((8.767017 - geohashing_lon) * 0.017453292519943295) / 2.0)))) atan2 sqrt(1-((sin(((50.810222 - geohashing_lat) * 0.017453292519943295) / 2.0)) * (sin(((50.810222 - geohashing_lat) * 0.017453292519943295) / 2.0))) + cos(geohashing_lat * 0.017453292519943295) * 0.6318910366547 * ((sin(((8.767017 - geohashing_lon) * 0.017453292519943295) / 2.0)) * (sin(((8.767017 - geohashing_lon) * 0.017453292519943295) / 2.0))))) <= 30.0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Next Geohash in {{ $value }}km in {{ $labels.day_offset }} days
      description: "A geohash is nearby in {{ $value }}km in the {{ $labels.location }} region in {{ $labels.day_offset }} days."

  - alert: GlobalHashNearby
    expr: 6367 * 2 * (sqrt(((sin(((50.810222 - geohashing_lat{location="global"}) * 0.017453292519943295) / 2.0)) * (sin(((50.810222 - geohashing_lat{location="global"}) * 0.017453292519943295) / 2.0))) + cos(geohashing_lat{location="global"} * 0.017453292519943295) * 0.6318910366547 * ((sin(((8.767017 - geohashing_lon{location="global"}) * 0.017453292519943295) / 2.0)) * (sin(((8.767017 - geohashing_lon{location="global"}) * 0.017453292519943295) / 2.0)))) atan2 sqrt(1-((sin(((50.810222 - geohashing_lat{location="global"}) * 0.017453292519943295) / 2.0)) * (sin(((50.810222 - geohashing_lat{location="global"}) * 0.017453292519943295) / 2.0))) + cos(geohashing_lat{location="global"} * 0.017453292519943295) * 0.6318910366547 * ((sin(((8.767017 - geohashing_lon{location="global"}) * 0.017453292519943295) / 2.0)) * (sin(((8.767017 - geohashing_lon{location="global"}) * 0.017453292519943295) / 2.0))))) <= 250.0
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: Next Globalhash in {{ $value }}km in {{ $labels.day_offset }} days
      description: "A globalhash is nearby in {{ $value }}km in the {{ $labels.location }} region in {{ $labels.day_offset }} days."