1 files changed, 55 insertions, 0 deletions
diff --git a/lass/2configs/radio/weather.nix b/lass/2configs/radio/weather.nix
new file mode 100644
index 00000000..3beac669
--- /dev/null
+++ b/lass/2configs/radio/weather.nix
@@ -0,0 +1,55 @@
+{ 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"
+      ];
+    };
+  };
+}