290 lines
10 KiB
Nix
290 lines
10 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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python = pkgs.python3Packages.python;
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cfg = config.services.seafile;
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settingsFormat = pkgs.formats.ini { };
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ccnetConf = settingsFormat.generate "ccnet.conf" cfg.ccnetSettings;
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seafileConf = settingsFormat.generate "seafile.conf" cfg.seafileSettings;
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seahubSettings = pkgs.writeText "seahub_settings.py" ''
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FILE_SERVER_ROOT = '${cfg.ccnetSettings.General.SERVICE_URL}/seafhttp'
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DATABASES = {
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'default': {
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'ENGINE': 'django.db.backends.sqlite3',
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'NAME': '${seahubDir}/seahub.db',
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}
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}
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MEDIA_ROOT = '${seahubDir}/media/'
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THUMBNAIL_ROOT = '${seahubDir}/thumbnail/'
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with open('${seafRoot}/.seahubSecret') as f:
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SECRET_KEY = f.readline().rstrip()
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${cfg.seahubExtraConf}
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'';
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seafRoot = "/var/lib/seafile"; # hardcode it due to dynamicuser
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ccnetDir = "${seafRoot}/ccnet";
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dataDir = "${seafRoot}/data";
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seahubDir = "${seafRoot}/seahub";
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in {
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###### Interface
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options.services.seafile = {
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enable = mkEnableOption "Seafile server";
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ccnetSettings = mkOption {
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type = types.submodule {
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freeformType = settingsFormat.type;
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options = {
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General = {
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SERVICE_URL = mkOption {
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type = types.str;
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example = "https://www.example.com";
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description = ''
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Seahub public URL.
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'';
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};
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};
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};
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};
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default = { };
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description = ''
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Configuration for ccnet, see
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<link xlink:href="https://manual.seafile.com/config/ccnet-conf/"/>
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for supported values.
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'';
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};
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seafileSettings = mkOption {
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type = types.submodule {
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freeformType = settingsFormat.type;
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options = {
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fileserver = {
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port = mkOption {
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type = types.port;
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default = 8082;
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description = ''
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The tcp port used by seafile fileserver.
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'';
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};
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host = mkOption {
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type = types.str;
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default = "127.0.0.1";
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example = "0.0.0.0";
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description = ''
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The binding address used by seafile fileserver.
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'';
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};
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};
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};
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};
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default = { };
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description = ''
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Configuration for seafile-server, see
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<link xlink:href="https://manual.seafile.com/config/seafile-conf/"/>
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for supported values.
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'';
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};
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workers = mkOption {
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type = types.int;
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default = 4;
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example = 10;
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description = ''
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The number of gunicorn worker processes for handling requests.
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'';
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};
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adminEmail = mkOption {
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example = "john@example.com";
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type = types.str;
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description = ''
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Seafile Seahub Admin Account Email.
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'';
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};
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initialAdminPassword = mkOption {
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example = "someStrongPass";
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type = types.str;
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description = ''
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Seafile Seahub Admin Account initial password.
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Should be change via Seahub web front-end.
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'';
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};
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seafilePackage = mkOption {
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type = types.package;
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description = "Which package to use for the seafile server.";
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default = pkgs.seafile-server;
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};
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seahubExtraConf = mkOption {
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default = "";
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type = types.lines;
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description = ''
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Extra config to append to `seahub_settings.py` file.
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Refer to <link xlink:href="https://manual.seafile.com/config/seahub_settings_py/" />
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for all available options.
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'';
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};
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};
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###### Implementation
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config = mkIf cfg.enable {
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environment.etc."seafile/ccnet.conf".source = ccnetConf;
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environment.etc."seafile/seafile.conf".source = seafileConf;
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environment.etc."seafile/seahub_settings.py".source = seahubSettings;
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systemd.targets.seafile = {
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wantedBy = [ "multi-user.target" ];
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description = "Seafile components";
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};
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systemd.services = let
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securityOptions = {
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ProtectHome = true;
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PrivateUsers = true;
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PrivateDevices = true;
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ProtectClock = true;
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ProtectHostname = true;
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ProtectProc = "invisible";
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ProtectKernelModules = true;
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ProtectKernelTunables = true;
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ProtectKernelLogs = true;
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ProtectControlGroups = true;
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RestrictNamespaces = true;
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LockPersonality = true;
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RestrictRealtime = true;
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RestrictSUIDSGID = true;
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MemoryDenyWriteExecute = true;
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SystemCallArchitectures = "native";
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RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" ];
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};
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in {
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seaf-server = {
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description = "Seafile server";
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partOf = [ "seafile.target" ];
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after = [ "network.target" ];
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wantedBy = [ "seafile.target" ];
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restartTriggers = [ ccnetConf seafileConf ];
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serviceConfig = securityOptions // {
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User = "seafile";
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Group = "seafile";
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DynamicUser = true;
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StateDirectory = "seafile";
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RuntimeDirectory = "seafile";
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LogsDirectory = "seafile";
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ConfigurationDirectory = "seafile";
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ExecStart = ''
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${cfg.seafilePackage}/bin/seaf-server \
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--foreground \
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-F /etc/seafile \
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-c ${ccnetDir} \
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-d ${dataDir} \
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-l /var/log/seafile/server.log \
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-P /run/seafile/server.pid \
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-p /run/seafile
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'';
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};
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preStart = ''
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if [ ! -f "${seafRoot}/server-setup" ]; then
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mkdir -p ${dataDir}/library-template
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mkdir -p ${ccnetDir}/{GroupMgr,misc,OrgMgr,PeerMgr}
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${pkgs.sqlite}/bin/sqlite3 ${ccnetDir}/GroupMgr/groupmgr.db ".read ${cfg.seafilePackage}/share/seafile/sql/sqlite/groupmgr.sql"
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${pkgs.sqlite}/bin/sqlite3 ${ccnetDir}/misc/config.db ".read ${cfg.seafilePackage}/share/seafile/sql/sqlite/config.sql"
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${pkgs.sqlite}/bin/sqlite3 ${ccnetDir}/OrgMgr/orgmgr.db ".read ${cfg.seafilePackage}/share/seafile/sql/sqlite/org.sql"
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${pkgs.sqlite}/bin/sqlite3 ${ccnetDir}/PeerMgr/usermgr.db ".read ${cfg.seafilePackage}/share/seafile/sql/sqlite/user.sql"
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${pkgs.sqlite}/bin/sqlite3 ${dataDir}/seafile.db ".read ${cfg.seafilePackage}/share/seafile/sql/sqlite/seafile.sql"
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echo "${cfg.seafilePackage.version}-sqlite" > "${seafRoot}"/server-setup
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fi
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# checking for upgrades and handling them
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# WARNING: needs to be extended to actually handle major version migrations
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installedMajor=$(cat "${seafRoot}/server-setup" | cut -d"-" -f1 | cut -d"." -f1)
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installedMinor=$(cat "${seafRoot}/server-setup" | cut -d"-" -f1 | cut -d"." -f2)
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pkgMajor=$(echo "${cfg.seafilePackage.version}" | cut -d"." -f1)
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pkgMinor=$(echo "${cfg.seafilePackage.version}" | cut -d"." -f2)
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if [ $installedMajor != $pkgMajor ] || [ $installedMinor != $pkgMinor ]; then
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echo "Unsupported upgrade" >&2
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exit 1
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fi
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'';
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};
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seahub = let
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penv = (pkgs.python3.withPackages (ps: with ps; [ gunicorn seahub ]));
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in {
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description = "Seafile Server Web Frontend";
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wantedBy = [ "seafile.target" ];
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partOf = [ "seafile.target" ];
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after = [ "network.target" "seaf-server.service" ];
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requires = [ "seaf-server.service" ];
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restartTriggers = [ seahubSettings ];
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environment = {
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PYTHONPATH =
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"${pkgs.python3Packages.seahub}/thirdpart:${pkgs.python3Packages.seahub}:${penv}/${python.sitePackages}";
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DJANGO_SETTINGS_MODULE = "seahub.settings";
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CCNET_CONF_DIR = ccnetDir;
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SEAFILE_CONF_DIR = dataDir;
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SEAFILE_CENTRAL_CONF_DIR = "/etc/seafile";
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SEAFILE_RPC_PIPE_PATH = "/run/seafile";
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SEAHUB_LOG_DIR = "/var/log/seafile";
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};
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serviceConfig = securityOptions // {
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User = "seafile";
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Group = "seafile";
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DynamicUser = true;
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RuntimeDirectory = "seahub";
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StateDirectory = "seafile";
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LogsDirectory = "seafile";
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ConfigurationDirectory = "seafile";
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ExecStart = ''
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${penv}/bin/gunicorn seahub.wsgi:application \
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--name seahub \
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--workers ${toString cfg.workers} \
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--log-level=info \
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--preload \
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--timeout=1200 \
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--limit-request-line=8190 \
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--bind unix:/run/seahub/gunicorn.sock
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'';
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};
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preStart = ''
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mkdir -p ${seahubDir}/media
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# Link all media except avatars
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for m in `find ${pkgs.python3Packages.seahub}/media/ -maxdepth 1 -not -name "avatars"`; do
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ln -sf $m ${seahubDir}/media/
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done
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if [ ! -e "${seafRoot}/.seahubSecret" ]; then
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${penv}/bin/python ${pkgs.python3Packages.seahub}/tools/secret_key_generator.py > ${seafRoot}/.seahubSecret
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chmod 400 ${seafRoot}/.seahubSecret
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fi
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if [ ! -f "${seafRoot}/seahub-setup" ]; then
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# avatars directory should be writable
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install -D -t ${seahubDir}/media/avatars/ ${pkgs.python3Packages.seahub}/media/avatars/default.png
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install -D -t ${seahubDir}/media/avatars/groups ${pkgs.python3Packages.seahub}/media/avatars/groups/default.png
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# init database
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${pkgs.python3Packages.seahub}/manage.py migrate
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# create admin account
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${pkgs.expect}/bin/expect -c 'spawn ${pkgs.python3Packages.seahub}/manage.py createsuperuser --email=${cfg.adminEmail}; expect "Password: "; send "${cfg.initialAdminPassword}\r"; expect "Password (again): "; send "${cfg.initialAdminPassword}\r"; expect "Superuser created successfully."'
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echo "${pkgs.python3Packages.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
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fi
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if [ $(cat "${seafRoot}/seahub-setup" | cut -d"-" -f1) != "${pkgs.python3Packages.seahub.version}" ]; then
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# update database
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${pkgs.python3Packages.seahub}/manage.py migrate
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echo "${pkgs.python3Packages.seahub.version}-sqlite" > "${seafRoot}/seahub-setup"
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fi
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'';
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};
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};
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};
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}
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