diff options
Diffstat (limited to 'nixpkgs/nixos/modules/services/web-apps/mattermost.nix')
| -rw-r--r-- | nixpkgs/nixos/modules/services/web-apps/mattermost.nix | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/web-apps/mattermost.nix b/nixpkgs/nixos/modules/services/web-apps/mattermost.nix new file mode 100644 index 000000000000..8c7fc4056adc --- /dev/null +++ b/nixpkgs/nixos/modules/services/web-apps/mattermost.nix @@ -0,0 +1,230 @@ +{ config, pkgs, lib, ... }: + +with lib; + +let + + cfg = config.services.mattermost; + + defaultConfig = builtins.fromJSON (readFile "${pkgs.mattermost}/config/config.json"); + + mattermostConf = foldl recursiveUpdate defaultConfig + [ { ServiceSettings.SiteURL = cfg.siteUrl; + ServiceSettings.ListenAddress = cfg.listenAddress; + TeamSettings.SiteName = cfg.siteName; + SqlSettings.DriverName = "postgres"; + SqlSettings.DataSource = "postgres://${cfg.localDatabaseUser}:${cfg.localDatabasePassword}@localhost:5432/${cfg.localDatabaseName}?sslmode=disable&connect_timeout=10"; + } + cfg.extraConfig + ]; + + mattermostConfJSON = pkgs.writeText "mattermost-config-raw.json" (builtins.toJSON mattermostConf); + +in + +{ + options = { + services.mattermost = { + enable = mkEnableOption "Mattermost chat server"; + + statePath = mkOption { + type = types.str; + default = "/var/lib/mattermost"; + description = "Mattermost working directory"; + }; + + siteUrl = mkOption { + type = types.str; + example = "https://chat.example.com"; + description = '' + URL this Mattermost instance is reachable under, without trailing slash. + ''; + }; + + siteName = mkOption { + type = types.str; + default = "Mattermost"; + description = "Name of this Mattermost site."; + }; + + listenAddress = mkOption { + type = types.str; + default = ":8065"; + example = "[::1]:8065"; + description = '' + Address and port this Mattermost instance listens to. + ''; + }; + + mutableConfig = mkOption { + type = types.bool; + default = false; + description = '' + Whether the Mattermost config.json is writeable by Mattermost. + + Most of the settings can be edited in the system console of + Mattermost if this option is enabled. A template config using + the options specified in services.mattermost will be generated + but won't be overwritten on changes or rebuilds. + + If this option is disabled, changes in the system console won't + be possible (default). If an config.json is present, it will be + overwritten! + ''; + }; + + extraConfig = mkOption { + type = types.attrs; + default = { }; + description = '' + Addtional configuration options as Nix attribute set in config.json schema. + ''; + }; + + localDatabaseCreate = mkOption { + type = types.bool; + default = true; + description = '' + Create a local PostgreSQL database for Mattermost automatically. + ''; + }; + + localDatabaseName = mkOption { + type = types.str; + default = "mattermost"; + description = '' + Local Mattermost database name. + ''; + }; + + localDatabaseUser = mkOption { + type = types.str; + default = "mattermost"; + description = '' + Local Mattermost database username. + ''; + }; + + localDatabasePassword = mkOption { + type = types.str; + default = "mmpgsecret"; + description = '' + Password for local Mattermost database user. + ''; + }; + + user = mkOption { + type = types.str; + default = "mattermost"; + description = '' + User which runs the Mattermost service. + ''; + }; + + group = mkOption { + type = types.str; + default = "mattermost"; + description = '' + Group which runs the Mattermost service. + ''; + }; + + matterircd = { + enable = mkEnableOption "Mattermost IRC bridge"; + parameters = mkOption { + type = types.listOf types.str; + default = [ ]; + example = [ "-mmserver chat.example.com" "-bind [::]:6667" ]; + description = '' + Set commandline parameters to pass to matterircd. See + https://github.com/42wim/matterircd#usage for more information. + ''; + }; + }; + }; + }; + + config = mkMerge [ + (mkIf cfg.enable { + users.users = optionalAttrs (cfg.user == "mattermost") (singleton { + name = "mattermost"; + group = cfg.group; + uid = config.ids.uids.mattermost; + home = cfg.statePath; + }); + + users.groups = optionalAttrs (cfg.group == "mattermost") (singleton { + name = "mattermost"; + gid = config.ids.gids.mattermost; + }); + + services.postgresql.enable = cfg.localDatabaseCreate; + + # The systemd service will fail to execute the preStart hook + # if the WorkingDirectory does not exist + system.activationScripts.mattermost = '' + mkdir -p ${cfg.statePath} + ''; + + systemd.services.mattermost = { + description = "Mattermost chat service"; + wantedBy = [ "multi-user.target" ]; + after = [ "network.target" "postgresql.service" ]; + + preStart = '' + mkdir -p ${cfg.statePath}/{data,config,logs} + ln -sf ${pkgs.mattermost}/{bin,fonts,i18n,templates,client} ${cfg.statePath} + '' + lib.optionalString (!cfg.mutableConfig) '' + ln -sf ${mattermostConfJSON} ${cfg.statePath}/config/config.json + '' + lib.optionalString cfg.mutableConfig '' + if ! test -e "${cfg.statePath}/config/.initial-created"; then + rm -f ${cfg.statePath}/config/config.json + cp ${mattermostConfJSON} ${cfg.statePath}/config/config.json + touch ${cfg.statePath}/config/.initial-created + fi + '' + lib.optionalString cfg.localDatabaseCreate '' + if ! test -e "${cfg.statePath}/.db-created"; then + ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} \ + ${config.services.postgresql.package}/bin/psql postgres -c \ + "CREATE ROLE ${cfg.localDatabaseUser} WITH LOGIN NOCREATEDB NOCREATEROLE ENCRYPTED PASSWORD '${cfg.localDatabasePassword}'" + ${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} \ + ${config.services.postgresql.package}/bin/createdb \ + --owner ${cfg.localDatabaseUser} ${cfg.localDatabaseName} + touch ${cfg.statePath}/.db-created + fi + '' + '' + chown ${cfg.user}:${cfg.group} -R ${cfg.statePath} + chmod u+rw,g+r,o-rwx -R ${cfg.statePath} + ''; + + serviceConfig = { + PermissionsStartOnly = true; + User = cfg.user; + Group = cfg.group; + ExecStart = "${pkgs.mattermost}/bin/mattermost"; + WorkingDirectory = "${cfg.statePath}"; + Restart = "always"; + RestartSec = "10"; + LimitNOFILE = "49152"; + }; + unitConfig.JoinsNamespaceOf = mkIf cfg.localDatabaseCreate "postgresql.service"; + }; + }) + (mkIf cfg.matterircd.enable { + systemd.services.matterircd = { + description = "Mattermost IRC bridge service"; + wantedBy = [ "multi-user.target" ]; + serviceConfig = { + User = "nobody"; + Group = "nogroup"; + ExecStart = "${pkgs.matterircd.bin}/bin/matterircd ${concatStringsSep " " cfg.matterircd.parameters}"; + WorkingDirectory = "/tmp"; + PrivateTmp = true; + Restart = "always"; + RestartSec = "5"; + }; + }; + }) + ]; +} + |