Move databases configs to modules

[perso/Immae/Config/Nix.git] / modules / private / databases / redis.nix

diff --git a/modules/private/databases/redis.nix b/modules/private/databases/redis.nix
new file mode 100644 (file)
index 0000000..a1c2c75
--- /dev/null
+++ b/modules/private/databases/redis.nix
@@ -0,0 +1,57 @@
+{ lib, config, myconfig,  ... }:
+let
+    cfg = config.myServices.databases.redis;
+in {
+  options.myServices.databases.redis = {
+    enable = lib.mkOption {
+      default = cfg.enable;
+      example = true;
+      description = "Whether to enable redis database";
+      type = lib.types.bool;
+    };
+    socketsDir = lib.mkOption {
+      type = lib.types.path;
+      default = "/run/redis";
+      description = ''
+        The directory where Redis puts sockets.
+        '';
+    };
+    # Output variables
+    systemdRuntimeDirectory = lib.mkOption {
+      type = lib.types.str;
+      # Use ReadWritePaths= instead if socketsDir is outside of /run
+      default = assert lib.strings.hasPrefix "/run/" cfg.socketsDir;
+        lib.strings.removePrefix "/run/" cfg.socketsDir;
+      description = ''
+      Adjusted redis sockets directory for systemd
+      '';
+      readOnly = true;
+    };
+    sockets = lib.mkOption {
+      type = lib.types.attrsOf lib.types.path;
+      default = {
+        redis  = "${cfg.socketsDir}/redis.sock";
+      };
+      readOnly = true;
+      description = ''
+        Redis sockets
+        '';
+    };
+  };
+
+  config = lib.mkIf cfg.enable {
+    users.users.redis.uid = config.ids.uids.redis;
+    users.groups.redis.gid = config.ids.gids.redis;
+    services.redis = rec {
+      enable = true;
+      bind = "127.0.0.1";
+      unixSocket = cfg.sockets.redis;
+      extraConfig = ''
+        unixsocketperm 777
+        maxclients 1024
+        '';
+    };
+    systemd.services.redis.serviceConfig.RuntimeDirectory = cfg.systemdRuntimeDirectory;
+  };
+}
+