stockholm/lass/2configs/radio/weather.nix

56 lines
1.6 KiB
Nix

{ config, lib, pkgs, ... }:
let
weather_for_ips = pkgs.writers.writePython3Bin "weather_for_ips" {
libraries = [ pkgs.python3Packages.geoip2 ];
flakeIgnore = [ "E501" ];
} ./weather_for_ips.py;
weather_report = pkgs.writers.writeDashBin "weather_report" ''
set -efu
export PATH="${lib.makeBinPath [
pkgs.coreutils
pkgs.curl
pkgs.iproute2
pkgs.jc
pkgs.jq
]}"
curl -z /tmp/GeoLite2-City.mmdb -o /tmp/GeoLite2-City.mmdb http://c.r/GeoLite2-City.mmdb
MAXMIND_GEOIP_DB="/tmp/GeoLite2-City.mmdb"; export MAXMIND_GEOIP_DB
OPENWEATHER_API_KEY=$(cat "$CREDENTIALS_DIRECTORY/openweather_api"); export OPENWEATHER_API_KEY
ss -no 'sport = :8000' |
jc --ss | jq -r '.[] |
select(
.local_address != "[::ffff:127.0.0.1]"
and .local_address != "[::1]"
) | .peer_address | gsub("[\\[\\]]"; "")
' |
${weather_for_ips}/bin/weather_for_ips
'';
in {
systemd.services.weather = {
path = [
weather_report
pkgs.retry
pkgs.jq
pkgs.curl
];
script = ''
set -xefu
retry -t 5 -d 10 -- weather_report |
jq \
--arg from "$(date -u +'%FT%TZ')" \
--arg to "$(date -u +'%FT%TZ' -d '+1 hours')" \
--slurp --raw-input --compact-output --ascii-output \
'{text: ., from: $from, to: $to, priority: 100}' |
retry -t 5 -d 10 -- curl -v -d@- http://radio-news.r
'';
startAt = "*:58:00";
serviceConfig = {
User = "radio-news";
LoadCredential = [
"openweather_api:${toString <secrets>}/openweather_api_key"
];
};
};
}