From cc89d6c8e972e035fe41b5bcab4234956d84797a Mon Sep 17 00:00:00 2001
From: Franz Pletz <fpletz@fnordicwalking.de>
Date: Sun, 9 Oct 2016 11:45:10 +0200
Subject: [PATCH] confluence module: init

---
 nixos/modules/module-list.nix                 |   1 +
 .../web-apps/atlassian/confluence.nix         | 141 ++++++++++++++++++
 2 files changed, 142 insertions(+)
 create mode 100644 nixos/modules/services/web-apps/atlassian/confluence.nix

diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 7070386c3ca..c0e7399ad5f 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -481,6 +481,7 @@
   ./services/ttys/agetty.nix
   ./services/ttys/gpm.nix
   ./services/ttys/kmscon.nix
+  ./services/web-apps/atlassian/confluence.nix
   ./services/web-apps/mattermost.nix
   ./services/web-apps/nixbot.nix
   ./services/web-apps/pump.io.nix
diff --git a/nixos/modules/services/web-apps/atlassian/confluence.nix b/nixos/modules/services/web-apps/atlassian/confluence.nix
new file mode 100644
index 00000000000..2d9287577de
--- /dev/null
+++ b/nixos/modules/services/web-apps/atlassian/confluence.nix
@@ -0,0 +1,141 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+  cfg = config.services.confluence;
+
+  pkg = pkgs.atlassian-confluence;
+
+in
+
+{
+  options = {
+    services.confluence = {
+      enable = mkEnableOption "Atlassian Confluence service";
+
+      user = mkOption {
+        type = types.str;
+        default = "confluence";
+        description = "User which runs confluence.";
+      };
+
+      group = mkOption {
+        type = types.str;
+        default = "confluence";
+        description = "Group which runs confluence.";
+      };
+
+      home = mkOption {
+        type = types.str;
+        default = "/var/lib/confluence";
+        description = "Home directory of the confluence instance.";
+      };
+
+      listenAddress = mkOption {
+        type = types.str;
+        default = "127.0.0.1";
+        description = "Address to listen on.";
+      };
+
+      listenPort = mkOption {
+        type = types.int;
+        default = 8090;
+        description = "Port to listen on.";
+      };
+
+      catalinaOptions = mkOption {
+        type = types.listOf types.str;
+        default = [];
+        example = [ "-Xms1024m" "-Xmx2048m" "-Dconfluence.disable.peopledirectory.all=true" ];
+        description = "Java options to pass to catalina/tomcat.";
+      };
+
+      proxy = {
+        enable = mkEnableOption "proxy support";
+
+        name = mkOption {
+          type = types.str;
+          example = "confluence.example.com";
+          description = "Virtual hostname at the proxy";
+        };
+
+        port = mkOption {
+          type = types.int;
+          default = 443;
+          example = 80;
+          description = "Port used at the proxy";
+        };
+
+        scheme = mkOption {
+          type = types.str;
+          default = "https";
+          example = "http";
+          description = "Protocol used at the proxy.";
+        };
+      };
+
+      jrePackage = let
+        jreSwitch = unfree: free: if config.nixpkgs.config.allowUnfree or false then unfree else free;
+      in mkOption {
+        type = types.package;
+        default = jreSwitch pkgs.oraclejre8 pkgs.openjdk8.jre;
+        defaultText = jreSwitch "pkgs.oraclejre8" "pkgs.openjdk8.jre";
+        example = literalExample "pkgs.openjdk8.jre";
+        description = "Java Runtime to use for Confluence. Note that Atlassian recommends the Oracle JRE.";
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.extraUsers."${cfg.user}" = {
+      isSystemUser = true;
+      group = cfg.group;
+    };
+
+    users.extraGroups."${cfg.group}" = {};
+
+    systemd.services.confluence = {
+      description = "Atlassian Confluence";
+
+      wantedBy = [ "multi-user.target" ];
+      requires = [ "postgresql.service" ];
+      after = [ "postgresql.service" ];
+
+      path = [ cfg.jrePackage ];
+
+      environment = {
+        CONF_USER = cfg.user;
+        JAVA_HOME = "${cfg.jrePackage}";
+        CATALINA_OPTS = concatStringsSep " " cfg.catalinaOptions;
+      };
+
+      preStart = ''
+        mkdir -p ${cfg.home}/{logs,work,temp,deploy}
+
+        mkdir -p /run/confluence
+        ln -sf ${cfg.home}/{logs,work,temp,server.xml} /run/confluence
+        ln -sf ${cfg.home} /run/confluence/home
+
+        chown -R ${cfg.user} ${cfg.home}
+
+        sed -e 's,port="8090",port="${toString cfg.listenPort}" address="${cfg.listenAddress}",' \
+        '' + (lib.optionalString cfg.proxy.enable ''
+          -e 's,protocol="org.apache.coyote.http11.Http11NioProtocol",protocol="org.apache.coyote.http11.Http11NioProtocol" proxyName="${cfg.proxy.name}" proxyPort="${toString cfg.proxy.port}" scheme="${cfg.proxy.scheme}",' \
+        '') + ''
+          ${pkg}/conf/server.xml.dist > ${cfg.home}/server.xml
+      '';
+
+      script = "${pkg}/bin/start-confluence.sh -fg";
+      stopScript  = "${pkg}/bin/stop-confluence.sh";
+
+      serviceConfig = {
+        User = cfg.user;
+        Group = cfg.group;
+        PrivateTmp = true;
+        PermissionsStartOnly = true;
+      };
+    };
+  };
+}