Updated tomcat service with a more sophisticated model

svn path=/nixos/trunk/; revision=12268

system/ids.nix

@@ -17,6 +17,7 @@
     zabbix = 13;
     postfix = 14;
     dovecot = 15;
+    tomcat = 16;
 
     nixbld = 30000; # start of range of uids
     nobody = 65534;
@@ -42,6 +43,7 @@
     floppy = 18;
     uucp = 19;
     lp = 20;
+    tomcat = 21;
     
     users = 100;
     nixbld = 30000;

system/options.nix

@@ -1446,7 +1446,7 @@
       };
       
       user = mkOption {
-        default = "nobody";
+        default = "tomcat";
 	description = "User account under which Apache Tomcat runs.";
       };      
       

upstart-jobs/tomcat.nix

@@ -1,23 +1,73 @@
 args: with args;
 
 let
-
   cfg = config.services.tomcat;
-
-  tomcatService = import ../services/tomcat {
-    inherit (pkgs) stdenv jdk tomcat6 su;
-    inherit (cfg) baseDir user deployFrom;
-  };
-
 in
 
 {
   name = "tomcat";
+  
+  groups = [
+    { name = "tomcat";
+      gid = (import ../system/ids.nix).gids.tomcat;
+    }
+  ];
+  
+  users = [
+    { name = "tomcat";
+      uid = (import ../system/ids.nix).uids.tomcat;
+      description = "Tomcat user";
+      home = "/homeless-shelter";
+    }
+  ];
+  
   job = ''
     description "Apache Tomcat server"
 
-    stop on shutdown
+    start on network-interface/started
+    stop on network-interfaces/stop
     
-    respawn ${tomcatService}/bin/control start
+    start script
+	# Create initial state data
+	
+	if ! test -d ${cfg.baseDir}
+	then    
+    	    mkdir -p ${cfg.baseDir}/webapps
+	    cp -av ${pkgs.tomcat6}/{conf,temp,logs} ${cfg.baseDir}
+	fi
+	
+	# Deploy all webapplications
+	
+	if ! test "${cfg.deployFrom}" = ""
+	then
+	    rm -rf ${cfg.baseDir}/webapps
+	    mkdir -p ${cfg.baseDir}/webapps
+	    for i in ${cfg.deployFrom}/*
+	    do
+		cp -rL $i ${cfg.baseDir}/webapps
+	    done
+	fi
+	
+	# Fix permissions
+	
+	chown -R ${cfg.user} ${cfg.baseDir}
+	
+	for i in `find ${cfg.baseDir} -type d`
+	do
+	    chmod -v 755 $i
+	done
+	
+	for i in `find ${cfg.baseDir} -type f`
+	do
+	    chmod -v 644 $i
+	done
+    end script
+    
+    respawn ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c 'CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${pkgs.jdk} ${pkgs.tomcat6}/bin/startup.sh; sleep 1d'
+    
+    stop script
+	echo "Stopping tomcat..."
+	CATALINA_BASE=${cfg.baseDir} JAVA_HOME=${pkgs.jdk} ${pkgs.su}/bin/su -s ${pkgs.bash}/bin/sh ${cfg.user} -c ${pkgs.tomcat6}/bin/shutdown.sh
+    end script
   '';
 }