stockholm/lass/2configs/services/radio/news.nix

132 lines
3.5 KiB
Nix

{ config, lib, pkgs, ... }:
let
tts = pkgs.writers.writeBashBin "tts" ''
set -efu
offset=0
OUTPUT=$(mktemp -d)
trap 'rm -rf "$OUTPUT"' EXIT
SPEAKER=$[ $RANDOM % 900 ]
while read line; do
echo "$line" |
${pkgs.piper-tts}/bin/piper \
--model ${pkgs.fetchzip {
url = "https://github.com/rhasspy/piper/releases/download/v0.0.2/voice-en-us-libritts-high.tar.gz";
hash = "sha256-jCoK4p0O7BuF0nr6Sfj40tpivCvU5M3GHKQRg1tfIO8=";
stripRoot = false;
}}/en-us-libritts-high.onnx \
-s "$SPEAKER" \
-f "$OUTPUT"/"$offset".wav
((offset+=1))
done
${pkgs.sox}/bin/sox "$OUTPUT"/*.wav "$OUTPUT"/all.wav
cat "$OUTPUT"/all.wav
'';
send_to_radio = pkgs.writers.writeDashBin "send_to_radio" ''
${pkgs.vorbis-tools}/bin/oggenc - |
${pkgs.cyberlocker-tools}/bin/cput news.ogg
${pkgs.curl}/bin/curl -fSs -X POST http://localhost:8002/newsshow
'';
gc_news = pkgs.writers.writeDashBin "gc_news" ''
set -xefu
export TZ=UTC #workaround for jq parsing wrong timestamp
${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
export TZ=UTC #workaround for jq parsing wrong timestamp
${pkgs.coreutils}/bin/cat $HOME/news | ${pkgs.jq}/bin/jq -rs '
sort_by(.priority) |
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)
EOF
'';
in
{
systemd.services.newsshow = {
path = [
newsshow
tts
send_to_radio
gc_news
get_current_news
pkgs.retry
];
script = ''
set -efu
retry -t 5 -d 10 -- newsshow |
retry -t 5 -d 10 -- tts |
retry -t 5 -d 10 -- send_to_radio
'';
startAt = "*:00:00";
serviceConfig = {
User = "radio-news";
};
};
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")
printf '%s' "$payload" | jq 'has("from") and has("to") and has("text")' >&2
printf '%s' "$payload" | jq -c '{ from: .from, to: .to, text: .text, priority: (.priority // 0)}' >> "$HOME"/news
printf 'HTTP/1.1 200 OK\r\n'
printf 'Connection: close\r\n'
printf '\r\n'
exit
;;
esac
''}'';
};
# debug
environment.systemPackages = [
send_to_radio
newsshow
tts
];
}