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sunken-ship: mulbo-server-enrich oneshot (Phase 7.5)

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Companion oneshot for mulbo-server. python312 env adds mutagen
(tag writeback); pkgs.yt-dlp on PATH for SoundCloud lookups.
Same User/SupplementaryGroups/EnvironmentFile/StateDirectory as
mulbo-server-backfill. TimeoutSec=8h covers a full library pass.

Trigger:           sudo systemctl start mulbo-server-enrich
Follow:            journalctl -fu mulbo-server-enrich

Add MULBO_ACOUSTID_KEY to /home/danny/.secrets/mulbo-server-navidrome
to enable the AcoustID source; the yt-dlp + filename sources need
no keys.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
DannyDannyDanny 2026-05-10 13:01:05 +02:00
parent fb99ef3cff
commit 851ee8ea1d
1 changed files with 39 additions and 0 deletions
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39
nixos/hosts/sunken-ship.nix
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@ -395,6 +395,45 @@
};
};
# Phase 7.5 enrichment one-shot. For tracks where Navidrome's tags
# are empty/Unknown, runs three sources (filename heuristics, yt-dlp
# for SoundCloud `[<id>]` patterns, AcoustID+MusicBrainz), votes the
# results, and writes back via mutagen with strict-replacement
# (never touches user-set tags).
#
# Trigger: sudo systemctl start mulbo-server-enrich
# Follow progress: journalctl -fu mulbo-server-enrich
systemd.services.mulbo-server-enrich = let
pythonEnv = pkgs.python312.withPackages (ps: with ps; [
mutagen # tag writeback
]);
in {
description = "Enrich Navidrome tracks with empty/Unknown metadata";
after = [ "mulbo-server.service" ];
requires = [ "mulbo-server.service" ];
path = with pkgs; [ yt-dlp ]; # provides yt-dlp for SoundCloud lookups
environment = {
MULBO_INDEX_DB = "/var/lib/mulbo-server/index.db";
MULBO_NAVIDROME_DB = "/var/lib/navidrome/navidrome.db";
MULBO_MUSIC_ROOT = "/srv/music";
MULBO_MUSIC_WRITE_ROOT = "/home/danny/music";
PYTHONUNBUFFERED = "1";
};
serviceConfig = {
Type = "oneshot";
WorkingDirectory = "/home/danny/python-projects/20_mulbo";
ExecStart = "${pythonEnv}/bin/python mulbo_server/enrich.py";
User = "danny";
SupplementaryGroups = [ "navidrome" ];
StateDirectory = "mulbo-server";
# Add MULBO_ACOUSTID_KEY to the secrets file to enable the
# AcoustID source. yt-dlp source needs no key. Filename source
# needs nothing.
EnvironmentFile = "/home/danny/.secrets/mulbo-server-navidrome";
TimeoutSec = "8h";
};
};
# Auto-rebuild service/timer + safe.directory provided by the
# shared dotfiles-rebuild NixOS module (see nixos/modules/dotfiles-rebuild.nix).
}