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https://github.com/gensokyo-zone/infrastructure.git
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fix(backups): plex
This commit is contained in:
arcnmx
parent
a202d0703f
commit
75dc495709
3 changed files with 73 additions and 48 deletions
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@ -1,10 +1,11 @@
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{config, systemConfig, lib, ...}: let
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{pkgs, config, systemConfig, lib, ...}: let
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inherit (lib.modules) mkIf mkMerge mkDefault;
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inherit (lib.attrsets) mapAttrs' mapAttrsToList nameValuePair;
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inherit (lib.lists) concatMap;
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inherit (lib.strings) replaceStrings;
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inherit (lib.lists) concatMap toList;
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inherit (lib.strings) replaceStrings concatMapStringsSep;
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inherit (config.sops.secrets) restic-shared-repo-b2 restic-shared-password restic-shared-env-b2;
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group = "backups";
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mkSharedPath = subpath: "/mnt/shared/${subpath}";
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# TODO: this properly as a module or something
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sharedServices = {
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hass.config = config.services.home-assistant;
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@ -13,11 +14,27 @@
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kanidm = {
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config = config.services.kanidm;
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enable = config.services.kanidm.enableServer;
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subpath = "kanidm/kanidm.db";
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};
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mosquitto.config = config.services.mosquitto;
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plex = {
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config = config.services.plex;
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compression = "auto";
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subpath = [
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"plex/Plex Media Server/Preferences.xml"
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#"plex/Databases" # omitted, see dynamicFilesFrom to select only the latest backup...
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];
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settings = {
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dynamicFilesFrom = let
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databases = [
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"com.plexapp.plugins.library.blobs.db"
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"com.plexapp.plugins.library.db"
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];
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ls = "${pkgs.coreutils}/bin/ls";
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tail = "${pkgs.coreutils}/bin/tail";
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mkLatestDb = database: ''${ls} ${mkSharedPath "plex/Databases/${database}"}* | ${tail} -n1'';
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in concatMapStringsSep " &&\n" mkLatestDb databases;
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};
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};
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postgresql = {
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# TODO: synchronize with postgresqlBackup service via flock or After=
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@ -40,31 +57,31 @@
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in {
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services.restic.backups = let
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isBackup = config.networking.hostName == "hakurei";
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mkSharedPath = subpath: "/mnt/shared/${subpath}";
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mkBackupB2 = name: subpath': { config, enable ? config.enable, user ? config.user or null, subpath ? subpath', path ? mkSharedPath subpath, compression ? "max" }: let
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mkBackupB2 = name: subpath': { config, enable ? config.enable, user ? config.user or null, subpath ? subpath', compression ? "max", settings ? {} }: let
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tags = [
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"infra"
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"shared-${name}"
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"system-${systemConfig.name}"
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];
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in mkIf (enable || isBackup) {
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user = mkIf (enable && user != null) user;
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repositoryFile = restic-shared-repo-b2.path;
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passwordFile = restic-shared-password.path;
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environmentFile = restic-shared-env-b2.path;
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paths = [path];
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extraBackupArgs = mkMerge [
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(mkIf (compression != "auto") [
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"--compression" compression
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])
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(concatMap (tag: ["--tag" tag]) tags)
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];
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timerConfig = {
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OnCalendar = "03:30";
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Persistent = true;
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RandomizedDelaySec = "4h";
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conf = {
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user = mkIf (enable && user != null) user;
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repositoryFile = restic-shared-repo-b2.path;
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passwordFile = restic-shared-password.path;
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environmentFile = restic-shared-env-b2.path;
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paths = map mkSharedPath (toList subpath);
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extraBackupArgs = mkMerge [
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(mkIf (compression != "auto") [
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"--compression" compression
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])
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(concatMap (tag: ["--tag" tag]) tags)
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];
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timerConfig = {
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OnCalendar = "03:30";
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Persistent = true;
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RandomizedDelaySec = "4h";
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};
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};
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};
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in mkIf (enable || isBackup) (mkMerge [ conf settings ]);
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backups = mapAttrs' (subpath: service: let
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name = replaceStrings [ "/" ] [ "-" ] subpath;
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in nameValuePair "${name}-b2" (mkBackupB2 name subpath service)) sharedServices;
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@ -5,38 +5,50 @@
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...
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}: let
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inherit (lib.modules) mkIf mkForce mkDefault;
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inherit (lib.strings) escapeShellArg;
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inherit (lib.attrsets) mapAttrs' filterAttrs mapAttrsToList nameValuePair;
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inherit (lib.strings) escapeShellArg concatStringsSep;
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cfg = config.services.plex;
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plexCaches = {
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mesa_shader_cache.path = null;
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Cache = {};
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Logs = {};
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CrashReports.subpath = "Crash Reports";
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Diagnostics = {};
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Drivers = {};
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Codecs = {};
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Scanners = {};
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Updates = {};
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Caches.subpath = "Plug-in Support/Caches";
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};
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in {
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services.plex.enable = mkDefault true;
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systemd.services.plex = mkIf cfg.enable {
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gensokyo-zone = {
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sharedMounts.plex.path = mkDefault cfg.dataDir;
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cacheMounts = {
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"plex/Cache" = {
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path = mkDefault "${cfg.dataDir}/Cache";
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};
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"plex/Logs" = {
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path = mkDefault "${cfg.dataDir}/Logs";
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};
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"plex/mesa_shader_cache" = {
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path = mkDefault "${cfg.dataDir}/mesa_shader_cache";
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};
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};
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cacheMounts = mapAttrs' (name: _: nameValuePair "plex/${name}" {
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path = mkDefault "${cfg.dataDir}/${name}";
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}) plexCaches;
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};
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# /var/lib/plex/mesa_shader_cache
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environment.MESA_SHADER_CACHE_DIR = mkDefault cfg.dataDir;
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serviceConfig = {
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ExecStartPre = let
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ln = "${pkgs.coreutils}/bin/ln";
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install = "${pkgs.coreutils}/bin/install";
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# systemd doesn't seem to like spaces so use a symlink instead...
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mkCacheSetup = name: { path ? "Plex Media Server/${subpath}", subpath ? name }:
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''${ln} -srfT "$PLEX_DATADIR/"${escapeShellArg name} "$PLEX_DATADIR/"${escapeShellArg path}'';
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cacheSetup = mapAttrsToList mkCacheSetup (filterAttrs (_: cache: cache.path or "" != null) plexCaches);
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preStartScript = pkgs.writeShellScript "plex-run-prestart" ''
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set -eu
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if [[ ! -d $PLEX_DATADIR ]]; then
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${pkgs.coreutils}/bin/install -d -m 0755 -o ${escapeShellArg cfg.user} -g ${escapeShellArg cfg.group} "$PLEX_DATADIR/Plex Media Server"
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${install} -d -m 0755 -o ${escapeShellArg cfg.user} -g ${escapeShellArg cfg.group} "$PLEX_DATADIR/Plex Media Server"
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fi
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${pkgs.coreutils}/bin/ln -sfT ../Cache "$PLEX_DATADIR/Plex Media Server/Cache"
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${pkgs.coreutils}/bin/ln -sfT ../Logs "$PLEX_DATADIR/Plex Media Server/Logs"
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if [[ ! -d $PLEX_DATADIR/Databases ]]; then
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${install} -d -m 0755 -o ${escapeShellArg cfg.user} -g ${escapeShellArg cfg.group} "$PLEX_DATADIR/Databases"
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fi
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${concatStringsSep "\n" cacheSetup}
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'';
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in
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mkForce [
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@ -162,20 +162,16 @@ mkcache zigbee2mqtt 100317 100317 0700
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mkcache taskchampion 100917 100917 0750
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mkcache minecraft 100913 100913 0750
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mkcache plex 0 0 0755
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if [[ ! -d /rpool/caches/plex/Cache ]]; then
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mkdir /rpool/caches/plex/Cache
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fi
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if [[ ! -d /rpool/caches/plex/Logs ]]; then
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mkdir /rpool/caches/plex/Logs
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fi
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if [[ ! -d /rpool/caches/plex/mesa_shader_cache ]]; then
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mkdir /rpool/caches/plex/mesa_shader_cache
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fi
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for plexcache in Logs CrashReports Diagnostics Cache Caches Drivers Codecs Scanners Updates mesa_shader_cache; do
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if [[ ! -d /rpool/caches/plex/$plexcache ]]; then
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mkdir /rpool/caches/plex/$plexcache
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fi
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chown 100193:100193 /rpool/caches/plex/$plexcache
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chmod 0775 /rpool/caches/plex/$plexcache
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done
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if [[ ! -d /rpool/caches/plex/tautulli/cache ]]; then
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mkdir -p /rpool/caches/plex/tautulli/cache
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fi
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chown 100193:100193 /rpool/caches/plex/{Cache,Logs,mesa_shader_cache}
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chmod 0775 /rpool/caches/plex/{Cache,Logs,mesa_shader_cache}
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chown 100195:65534 /rpool/caches/plex/tautulli/cache
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chmod 0755 /rpool/caches/plex/tautulli/cache
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