1 files changed, 202 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/databases/riak-cs.nix b/nixpkgs/nixos/modules/services/databases/riak-cs.nix
new file mode 100644
index 000000000000..2cb204f729a7
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/databases/riak-cs.nix
@@ -0,0 +1,202 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.riak-cs;
+
+in
+
+{
+
+  ###### interface
+
+  options = {
+
+    services.riak-cs = {
+
+      enable = mkEnableOption "riak-cs";
+
+      package = mkOption {
+        type = types.package;
+        default = pkgs.riak-cs;
+        defaultText = "pkgs.riak-cs";
+        example = literalExample "pkgs.riak-cs";
+        description = ''
+          Riak package to use.
+        '';
+      };
+
+      nodeName = mkOption {
+        type = types.str;
+        default = "riak-cs@127.0.0.1";
+        description = ''
+          Name of the Erlang node.
+        '';
+      };
+      
+      anonymousUserCreation = mkOption {
+        type = types.bool;
+        default = false;
+        description = ''
+          Anonymous user creation.
+        '';
+      };
+
+      riakHost = mkOption {
+        type = types.str;
+        default = "127.0.0.1:8087";
+        description = ''
+          Name of riak hosting service.
+        '';
+      };
+
+      listener = mkOption {
+        type = types.str;
+        default = "127.0.0.1:8080";
+        description = ''
+          Name of Riak CS listening service.
+        '';
+      };
+
+      stanchionHost = mkOption {
+        type = types.str;
+        default = "127.0.0.1:8085";
+        description = ''
+          Name of stanchion hosting service.
+        '';
+      };
+
+      stanchionSsl = mkOption {
+        type = types.bool;
+        default = true;
+        description = ''
+          Tell stanchion to use SSL.
+        '';
+      };
+
+      distributedCookie = mkOption {
+        type = types.str;
+        default = "riak";
+        description = ''
+          Cookie for distributed node communication.  All nodes in the
+          same cluster should use the same cookie or they will not be able to
+          communicate.
+        '';
+      };
+
+      dataDir = mkOption {
+        type = types.path;
+        default = "/var/db/riak-cs";
+        description = ''
+          Data directory for Riak CS.
+        '';
+      };
+
+      logDir = mkOption {
+        type = types.path;
+        default = "/var/log/riak-cs";
+        description = ''
+          Log directory for Riak CS.
+        '';
+      };
+
+      extraConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          Additional text to be appended to <filename>riak-cs.conf</filename>.
+        '';
+      };
+
+      extraAdvancedConfig = mkOption {
+        type = types.lines;
+        default = "";
+        description = ''
+          Additional text to be appended to <filename>advanced.config</filename>.
+        '';
+      };
+    };
+
+  };
+
+  ###### implementation
+
+  config = mkIf cfg.enable {
+
+    environment.systemPackages = [ cfg.package ];
+    environment.etc."riak-cs/riak-cs.conf".text = ''
+      nodename = ${cfg.nodeName}
+      distributed_cookie = ${cfg.distributedCookie}
+
+      platform_log_dir = ${cfg.logDir}
+
+      riak_host = ${cfg.riakHost}
+      listener = ${cfg.listener}
+      stanchion_host = ${cfg.stanchionHost}
+
+      anonymous_user_creation = ${if cfg.anonymousUserCreation then "on" else "off"}
+
+      ${cfg.extraConfig}
+    '';
+
+    environment.etc."riak-cs/advanced.config".text = ''
+      ${cfg.extraAdvancedConfig}
+    '';
+
+    users.users.riak-cs = {
+      name = "riak-cs";
+      uid = config.ids.uids.riak-cs;
+      group = "riak";
+      description = "Riak CS server user";
+    };
+
+  systemd.services.riak-cs = {
+      description = "Riak CS Server";
+
+      wantedBy = [ "multi-user.target" ];
+      after = [ "network.target" ];
+
+      path = [
+        pkgs.utillinux # for `logger`
+        pkgs.bash
+      ];
+
+      environment.HOME = "${cfg.dataDir}";
+      environment.RIAK_CS_DATA_DIR = "${cfg.dataDir}";
+      environment.RIAK_CS_LOG_DIR = "${cfg.logDir}";
+      environment.RIAK_CS_ETC_DIR = "/etc/riak";
+
+      preStart = ''
+        if ! test -e ${cfg.logDir}; then
+          mkdir -m 0755 -p ${cfg.logDir}
+          chown -R riak-cs ${cfg.logDir}
+        fi
+
+        if ! test -e ${cfg.dataDir}; then
+          mkdir -m 0700 -p ${cfg.dataDir}
+          chown -R riak-cs ${cfg.dataDir}
+        fi
+      '';
+
+      serviceConfig = {
+        ExecStart = "${cfg.package}/bin/riak-cs console";
+        ExecStop = "${cfg.package}/bin/riak-cs stop";
+        StandardInput = "tty";
+        User = "riak-cs";
+        Group = "riak-cs";
+        PermissionsStartOnly = true;
+        # Give Riak a decent amount of time to clean up.
+        TimeoutStopSec = 120;
+        LimitNOFILE = 65536;
+      };
+
+      unitConfig.RequiresMountsFor = [
+        "${cfg.dataDir}"
+        "${cfg.logDir}"
+        "/etc/riak"
+      ];
+    };
+  };
+}