tv.ejabberd: refactor

1 files changed, 76 insertions, 0 deletions

diff --git a/tv/3modules/ejabberd/default.nix b/tv/3modules/ejabberd/default.nix
new file mode 100644
index 000000000..51a3060fd
--- /dev/null
+++ b/tv/3modules/ejabberd/default.nix
@@ -0,0 +1,76 @@
+{ config, lib, pkgs, ... }@args: with config.krebs.lib; let
+  cfg = config.tv.ejabberd;
+in {
+  options.tv.ejabberd = {
+    enable = mkEnableOption "tv.ejabberd";
+    certfile = mkOption {
+      type = types.secret-file;
+      default = {
+        path = "${cfg.user.home}/ejabberd.pem";
+        owner-name = "ejabberd";
+        source-path = toString <secrets> + "/ejabberd.pem";
+      };
+    };
+    hosts = mkOption {
+      type = with types; listOf str;
+    };
+    pkgs.ejabberdctl = mkOption {
+      type = types.package;
+      default = pkgs.writeDashBin "ejabberdctl" ''
+        set -efu
+        export SPOOLDIR=${shell.escape cfg.user.home}
+        export EJABBERD_CONFIG_PATH=${shell.escape (import ./config.nix args)}
+        exec ${pkgs.ejabberd}/bin/ejabberdctl \
+            --logs ${shell.escape cfg.user.home} \
+            "$@"
+      '';
+    };
+    s2s_certfile = mkOption {
+      type = types.secret-file;
+      default = cfg.certfile;
+    };
+    user = mkOption {
+      type = types.submodule {
+        options = {
+          name = mkOption {
+            type = types.str;
+            default = "ejabberd";
+          };
+          home = mkOption {
+            type = types.str;
+            default = "/var/ejabberd";
+          };
+        };
+      };
+      default = {};
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [ cfg.pkgs.ejabberdctl ];
+
+    krebs.secret.files = {
+      ejabberd-certfile = cfg.certfile;
+      ejabberd-s2s_certfile = cfg.s2s_certfile;
+    };
+
+    systemd.services.ejabberd = {
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "secret.service" ];
+      after = [ "network.target" "secret.service" ];
+      serviceConfig = {
+        Type = "oneshot";
+        RemainAfterExit = "yes";
+        PermissionsStartOnly = "true";
+        SyslogIdentifier = "ejabberd";
+        User = cfg.user.name;
+        ExecStart = "${cfg.pkgs.ejabberdctl}/bin/ejabberdctl start";
+      };
+    };
+
+    users.users.${cfg.user.name} = {
+      inherit (cfg.user) home name;
+      createHome = true;
+      uid = genid cfg.user.name;
+    };
+  };
+}