121 lines
3.6 KiB
Nix
121 lines
3.6 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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weather_report = pkgs.writers.writeDashBin "weather_report" ''
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set -efu
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export PATH="${lib.makeBinPath [
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pkgs.iproute2
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pkgs.coreutils
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pkgs.jq
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pkgs.curl
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pkgs.gnugrep
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pkgs.gnused
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]}"
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ss -Hno state established 'sport = :8000' |
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grep '^tcp' | sed 's/.*\[.*\].*\[\(::ffff:\)\{0,1\}\(.*\)\].*/\2/' |
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sed '/127.0.0.1/d;/:/d' |
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while read -r ip; do
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curl -sSL "https://wttr.in/@$ip?format=j1"
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done | jq -rs 'unique_by(.nearest_area[0].areaName[0].value) |
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map((.nearest_area[0] |
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"Weather report for \(.areaName[0].value), \(.country[0].value).")
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+ (.current_condition[0] |
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" Currently it is \(.weatherDesc[0].value) outside with a temperature of \(.temp_C) degrees."
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)
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) | unique | .[]'
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'
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'';
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send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
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${pkgs.vorbisTools}/bin/oggenc - |
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${pkgs.libshout}/bin/shout --format ogg --host localhost --port 1338 --mount /live
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'';
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gc_news = pkgs.writers.writeDashBin "gc_news" ''
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set -xefu
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${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -cs 'map(select((.to|fromdateiso8601) > now)) | .[]' > $HOME/bla-news.tmp
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${pkgs.coreutils}/bin/mv $HOME/bla-news.tmp $HOME/news
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'';
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get_current_news = pkgs.writers.writeDashBin "get_current_news" ''
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set -xefu
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${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs 'map(select(((.to | fromdateiso8601) > now) and (.from|fromdateiso8601) < now) | .text) | .[]'
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'';
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newsshow = pkgs.writers.writeDashBin "newsshow" /* sh */ ''
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cat << EOF
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hello crabpeople!
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$(${pkgs.ddate}/bin/ddate +'Today is %{%A, the %e of %B%}, %Y. %N%nCelebrate %H')
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It is $(date --utc +%H) o clock UTC.
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todays news:
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$(get_current_news)
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$(gc_news)
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$(weather_report)
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EOF
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'';
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in
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{
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systemd.services.newsshow = {
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path = [
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newsshow
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send_to_radio
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gc_news
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get_current_news
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weather_report
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pkgs.curl
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pkgs.retry
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];
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script = ''
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set -efu
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retry -t 5 -d 10 -- newsshow |
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retry -t 5 -d 10 -- curl -fSsG http://tts.r/api/tts --data-urlencode 'text@-' |
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retry -t 5 -d 10 -- send_to_radio
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'';
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startAt = "*:00:00";
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serviceConfig = {
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User = "radio-news";
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};
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};
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krebs.iptables.tables.filter.INPUT.rules = [
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{ predicate = "-p tcp --dport 7999"; target = "ACCEPT"; }
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];
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krebs.htgen.news = {
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port = 7999;
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user = {
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name = "radio-news";
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};
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script = ''. ${pkgs.writers.writeDash "htgen-news" ''
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set -xefu
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case "''${Method:-GET} $Request_URI" in
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"GET /")
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printf 'HTTP/1.1 200 OK\r\n'
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printf 'Access-Control-Allow-Origin: *\r\n';
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printf 'Access-Control-Allow-Methods: GET, POST, OPTIONS\r\n';
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printf 'Connection: close\r\n'
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printf '\r\n'
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cat "$HOME"/news | jq -sc .
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exit
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;;
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"POST /")
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payload=$(head -c "$req_content_length")
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echo "$payload" | jq 'has("from") and has("to") and has("text")' >&2
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echo "$payload" | jq -c '{ from: (.from | fromdate | todate), to: (.to | fromdate | todate), text: .text }' >> "$HOME"/news
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printf 'HTTP/1.1 200 OK\r\n'
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printf 'Access-Control-Allow-Origin: *\r\n';
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printf 'Access-Control-Allow-Methods: GET, POST, OPTIONS\r\n';
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printf 'Connection: close\r\n'
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printf '\r\n'
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exit
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;;
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esac
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''}'';
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};
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## debug
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# environment.systemPackages = [
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# weather_report
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# send_to_radio
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# newsshow
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# ];
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}
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