zammad: init module
Co-authored-by: garbas <rok@garbas.si>
This commit is contained in:
Taeer Bar-Yam
parent
7cf49c38a5
commit
9bc86d946b
@ -395,6 +395,7 @@
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./services/development/jupyterhub/default.nix
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./services/development/rstudio-server/default.nix
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./services/development/lorri.nix
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./services/development/zammad.nix
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./services/display-managers/greetd.nix
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./services/editors/emacs.nix
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./services/editors/infinoted.nix
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217
nixos/modules/services/development/zammad.nix
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217
nixos/modules/services/development/zammad.nix
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@ -0,0 +1,217 @@
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{ config, lib, pkgs, ... }:
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let
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cfg = config.services.zammad;
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serviceConfig = {
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Type = "simple";
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Restart = "always";
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User = "zammad";
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Group = "zammad";
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PrivateTmp = true;
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StateDirectory = builtins.baseNameOf cfg.dataDir;
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WorkingDirectory = cfg.dataDir;
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EnvironmentFile = cfg.secretsFile;
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};
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env = {
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RAILS_ENV = "production";
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NODE_ENV = "production";
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RAILS_SERVE_STATIC_FILES="true";
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RAILS_LOG_TO_STDOUT="true";
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};
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in {
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options = {
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services.zammad = {
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enable = lib.mkEnableOption "Zammad, a web-based, open source user support/ticketing solution.";
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package = lib.mkOption {
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type = lib.types.package;
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default = pkgs.zammad;
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defaultText = "pkgs.zammad";
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description = "Zammad package to use.";
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};
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dataDir = lib.mkOption {
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type = lib.types.path;
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default = "/var/lib/zammad";
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description = ''
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Path to a folder that will contain Zammad working directory.
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'';
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};
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host = lib.mkOption {
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type = lib.types.str;
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default = "127.0.0.1";
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example = "192.168.23.42";
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description = "Host address.";
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};
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port = lib.mkOption {
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type = lib.types.int;
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default = 3000;
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description = "Web service port.";
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};
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websocketPort = lib.mkOption {
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type = lib.types.int;
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default = 6042;
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description = "Websocket service port.";
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};
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dbName = lib.mkOption {
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type = lib.types.str;
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default = "zammad";
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description = "The name of the database to use.";
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};
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dbUsername = lib.mkOption {
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type = lib.types.str;
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default = "zammad";
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description = "The username to use to connect to the database.";
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};
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secretsFile = lib.mkOption {
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type = lib.types.nullOr lib.types.path;
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default = null;
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description = ''
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Path of a file containing secrets the format of EnvironmentFile as
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described by systemd.exec(5). You must to define:
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- PGPASSWORD
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- SECRET_KEY_BASE
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SECRET_KEY_BASE can be generated using:
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ruby -e "require 'securerandom'; puts SecureRandom.hex(64)"
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'';
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};
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};
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};
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config = lib.mkIf cfg.enable {
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networking.firewall.allowedTCPPorts = [
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config.services.zammad.port
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config.services.zammad.websocketPort
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];
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users.users.zammad = {
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isSystemUser = true;
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home = cfg.dataDir;
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group = "zammad";
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};
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users.groups.zammad = {};
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services.postgresql = {
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enable = true;
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ensureDatabases = [ cfg.dbName ];
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ensureUsers = [
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{
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name = cfg.dbUsername;
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ensurePermissions."DATABASE ${cfg.dbName}" = "ALL PRIVILEGES";
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}
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];
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};
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systemd.services.zammad-setup = {
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after = [ "postgresql.service" ];
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requires = [ "postgresql.service" ];
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serviceConfig.EnvironmentFile = cfg.secretsFile;
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script = ''
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echo "Setting password for database '${cfg.dbName}' and user '${cfg.dbUsername}'"
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${pkgs.utillinux}/bin/runuser -u ${config.services.postgresql.superUser} -- \
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${config.services.postgresql.package}/bin/psql \
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-c "ALTER ROLE ${cfg.dbUsername} WITH PASSWORD '$PGPASSWORD'"
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mkdir -p ${cfg.dataDir}
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'';
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};
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systemd.services.zammad-web = {
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after = [
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"network.target"
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"postgresql.service"
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"zammad-setup.service"
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];
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requires = [
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"postgresql.service"
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"zammad-setup.service"
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];
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description = "Zammad web";
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wantedBy = [ "multi-user.target" ];
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environment = env;
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preStart = ''
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# Blindly copy the whole project here.
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chmod -R +w ${cfg.dataDir}/
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rm -rf ${cfg.dataDir}/public/assets/*
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rm -rf ${cfg.dataDir}/tmp/*
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rm -rf ${cfg.dataDir}/log/*
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cp -r --no-preserve=owner ${cfg.package}/* ${cfg.dataDir}
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chmod -R +w ${cfg.dataDir}
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export DATABASE_URL="postgresql://${cfg.dbUsername}:$PGPASSWORD@localhost:${toString(config.services.postgresql.port)}/${cfg.dbName}";
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if [ `${config.services.postgresql.package}/bin/psql \
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--host localhost \
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--port ${toString(config.services.postgresql.port)} \
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--username ${cfg.dbUsername} \
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--dbname ${cfg.dbName} \
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--command "SELECT COUNT(*) FROM pg_class c \
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JOIN pg_namespace s ON s.oid = c.relnamespace \
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WHERE s.nspname NOT IN ('pg_catalog', 'pg_toast', 'information_schema') \
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AND s.nspname NOT LIKE 'pg_temp%';" | sed -n 3p` -eq 0 ]; then
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echo "Initialize database"
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${cfg.dataDir}/bin/rake db:migrate
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${cfg.dataDir}/bin/rake db:seed
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else
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echo "Migrate database"
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${cfg.dataDir}/bin/rake db:migrate
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fi
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echo "Done"
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'';
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serviceConfig = serviceConfig // {
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ExecStart = pkgs.writeShellScript "zammad-web-start" ''
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set -eu
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export DATABASE_URL="postgresql://${cfg.dbUsername}:$PGPASSWORD@localhost:${toString(config.services.postgresql.port)}/${cfg.dbName}"
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${cfg.dataDir}/script/rails server -b ${cfg.host} -p ${toString(cfg.port)}
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'';
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};
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};
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systemd.services.zammad-websocket = {
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after = [ "zammad-web.service" ];
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requires = [
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"zammad-web.service"
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];
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description = "Zammad websocket";
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wantedBy = [ "multi-user.target" ];
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environment = env;
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serviceConfig = serviceConfig // {
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ExecStart = pkgs.writeShellScript "zammad-websocket-start" ''
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set -eu
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export DATABASE_URL="postgresql://${cfg.dbUsername}:$PGPASSWORD@localhost:${toString(config.services.postgresql.port)}/${cfg.dbName}"
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${cfg.dataDir}/script/websocket-server.rb -b ${cfg.host} -p ${toString(cfg.websocketPort)} start
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'';
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};
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};
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systemd.services.zammad-scheduler = {
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after = [ "zammad-web.service" ];
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requires = [
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"zammad-web.service"
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];
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description = "Zammad scheduler";
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wantedBy = [ "multi-user.target" ];
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environment = env;
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serviceConfig = serviceConfig // {
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Type = "forking";
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ExecStart = pkgs.writeShellScript "zammad-scheduler-start" ''
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set -eu
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export DATABASE_URL="postgresql://${cfg.dbUsername}:$PGPASSWORD@localhost:${toString(config.services.postgresql.port)}/${cfg.dbName}"
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${cfg.dataDir}/script/scheduler.rb start
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'';
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};
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};
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};
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meta.maintainers = with lib.maintainers; [ garbas ];
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}
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