diff --git a/nixos/modules/services/web-servers/traefik.nix b/nixos/modules/services/web-servers/traefik.nix index 5b0fc467ea4..436136f4736 100644 --- a/nixos/modules/services/web-servers/traefik.nix +++ b/nixos/modules/services/web-servers/traefik.nix @@ -4,56 +4,88 @@ with lib; let cfg = config.services.traefik; - configFile = - if cfg.configFile == null then - pkgs.runCommand "config.toml" { - buildInputs = [ pkgs.remarshal ]; - preferLocalBuild = true; - } '' - remarshal -if json -of toml \ - < ${pkgs.writeText "config.json" (builtins.toJSON cfg.configOptions)} \ - > $out - '' - else cfg.configFile; - + dynamicConfigFile = if cfg.dynamicConfigFile == null then + pkgs.runCommand "config.toml" { + buildInputs = [ pkgs.remarshal ]; + preferLocalBuild = true; + } '' + remarshal -if json -of toml \ + < ${ + pkgs.writeText "dynamic_config.json" + (builtins.toJSON cfg.dynamicConfigOptions) + } \ + > $out + '' + else + cfg.dynamicConfigFile; + staticConfigFile = if cfg.staticConfigFile == null then + pkgs.runCommand "config.toml" { + buildInputs = [ pkgs.yj ]; + preferLocalBuild = true; + } '' + yj -jt -i \ + < ${ + pkgs.writeText "static_config.json" (builtins.toJSON + (recursiveUpdate cfg.staticConfigOptions { + providers.file.filename = "${dynamicConfigFile}"; + })) + } \ + > $out + '' + else + cfg.staticConfigFile; in { options.services.traefik = { enable = mkEnableOption "Traefik web server"; - configFile = mkOption { + staticConfigFile = mkOption { default = null; - example = literalExample "/path/to/config.toml"; + example = literalExample "/path/to/static_config.toml"; type = types.nullOr types.path; description = '' - Path to verbatim traefik.toml to use. - (Using that option has precedence over configOptions) + Path to traefik's static configuration to use. + (Using that option has precedence over staticConfigOptions and dynamicConfigOptions) ''; }; - configOptions = mkOption { + staticConfigOptions = mkOption { description = '' - Config for Traefik. + Static configuration for Traefik. ''; type = types.attrs; - default = { - defaultEntryPoints = ["http"]; - entryPoints.http.address = ":80"; - }; + default = { entryPoints.http.address = ":80"; }; example = { - defaultEntrypoints = [ "http" ]; - web.address = ":8080"; + entryPoints.web.address = ":8080"; entryPoints.http.address = ":80"; - file = {}; - frontends = { - frontend1 = { - backend = "backend1"; - routes.test_1.rule = "Host:localhost"; - }; - }; - backends.backend1 = { - servers.server1.url = "http://localhost:8000"; + api = { }; + }; + }; + + dynamicConfigFile = mkOption { + default = null; + example = literalExample "/path/to/dynamic_config.toml"; + type = types.nullOr types.path; + description = '' + Path to traefik's dynamic configuration to use. + (Using that option has precedence over dynamicConfigOptions) + ''; + }; + + dynamicConfigOptions = mkOption { + description = '' + Dynamic configuration for Traefik. + ''; + type = types.attrs; + default = { }; + example = { + http.routers.router1 = { + rule = "Host(`localhost`)"; + service = "service1"; }; + + http.services.service1.loadBalancer.servers = + [{ url = "http://localhost:8080"; }]; }; }; @@ -61,7 +93,7 @@ in { default = "/var/lib/traefik"; type = types.path; description = '' - Location for any persistent data traefik creates, ie. acme + Location for any persistent data traefik creates, ie. acme ''; }; @@ -84,16 +116,15 @@ in { }; config = mkIf cfg.enable { - systemd.tmpfiles.rules = [ - "d '${cfg.dataDir}' 0700 traefik traefik - -" - ]; + systemd.tmpfiles.rules = [ "d '${cfg.dataDir}' 0700 traefik traefik - -" ]; systemd.services.traefik = { description = "Traefik web server"; after = [ "network-online.target" ]; wantedBy = [ "multi-user.target" ]; serviceConfig = { - ExecStart = ''${cfg.package.bin}/bin/traefik --configfile=${configFile}''; + ExecStart = + "${cfg.package}/bin/traefik --configfile=${staticConfigFile}"; Type = "simple"; User = "traefik"; Group = cfg.group; @@ -120,6 +151,6 @@ in { isSystemUser = true; }; - users.groups.traefik = {}; + users.groups.traefik = { }; }; }