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-rw-r--r--lass/2configs/radio/news.nix127
1 files changed, 127 insertions, 0 deletions
diff --git a/lass/2configs/radio/news.nix b/lass/2configs/radio/news.nix
new file mode 100644
index 000000000..27b124093
--- /dev/null
+++ b/lass/2configs/radio/news.nix
@@ -0,0 +1,127 @@
+{ config, lib, pkgs, ... }:
+let
+ weather_for_ips = pkgs.writers.writePython3Bin "weather_for_ips" {
+ libraries = [ pkgs.python3Packages.geoip2 ];
+ } ./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
+ '';
+
+ send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
+ ${pkgs.vorbisTools}/bin/oggenc - |
+ ${pkgs.libshout}/bin/shout --format ogg --host localhost --port 1338 --mount /live
+ '';
+
+ gc_news = pkgs.writers.writeDashBin "gc_news" ''
+ set -xefu
+ ${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -cs 'map(select((.to|fromdateiso8601) > now)) | .[]' > $HOME/bla-news.tmp
+ ${pkgs.coreutils}/bin/mv $HOME/bla-news.tmp $HOME/news
+ '';
+
+ get_current_news = pkgs.writers.writeDashBin "get_current_news" ''
+ set -xefu
+ ${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs 'map(select(((.to | fromdateiso8601) > now) and (.from|fromdateiso8601) < now) | .text) | .[]'
+ '';
+
+ newsshow = pkgs.writers.writeDashBin "newsshow" /* sh */ ''
+ cat << EOF
+ hello crabpeople!
+ $(${pkgs.ddate}/bin/ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H')
+ It is $(date --utc +%H) o clock UTC.
+ todays news:
+ $(get_current_news)
+ $(gc_news)
+ $(weather_report)
+ EOF
+ '';
+in
+{
+ systemd.services.newsshow = {
+ path = [
+ newsshow
+ send_to_radio
+ gc_news
+ get_current_news
+ weather_report
+ pkgs.curl
+ pkgs.retry
+ ];
+ script = ''
+ set -efu
+ retry -t 5 -d 10 -- newsshow |
+ retry -t 5 -d 10 -- curl -fSsG http://tts.r/api/tts --data-urlencode 'text@-' |
+ retry -t 5 -d 10 -- send_to_radio
+ '';
+ startAt = "*:00:00";
+ serviceConfig = {
+ User = "radio-news";
+ LoadCredential = [
+ "openweather_api:${toString <secrets>}/openweather_api_key"
+ ];
+ };
+ };
+
+ services.nginx.virtualHosts."radio-news.r" = {
+ locations."/" = {
+ proxyPass = "http://localhost:7999";
+ proxyWebsockets = true;
+ extraConfig = ''
+ add_header 'Access-Control-Allow-Origin' '*';
+ add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS';
+ '';
+ };
+ };
+ krebs.htgen.news = {
+ port = 7999;
+ user = {
+ name = "radio-news";
+ };
+ script = ''. ${pkgs.writers.writeDash "htgen-news" ''
+ set -xefu
+ case "''${Method:-GET} $Request_URI" in
+ "GET /")
+ printf 'HTTP/1.1 200 OK\r\n'
+ printf 'Connection: close\r\n'
+ printf '\r\n'
+ cat "$HOME"/news | jq -sc .
+ exit
+ ;;
+ "POST /")
+ payload=$(head -c "$req_content_length")
+ echo "$payload" | jq 'has("from") and has("to") and has("text")' >&2
+ echo "$payload" | jq -c '{ from: (.from | fromdate | todate), to: (.to | fromdate | todate), text: .text }' >> "$HOME"/news
+ printf 'HTTP/1.1 200 OK\r\n'
+ printf 'Connection: close\r\n'
+ printf '\r\n'
+ exit
+ ;;
+ esac
+ ''}'';
+ };
+
+ ## debug
+ # environment.systemPackages = [
+ # weather_report
+ # send_to_radio
+ # newsshow
+ # ];
+}