Added Apache Tomcat proxy to new Apache upstart service

svn path=/nixos/trunk/; revision=13786

upstart-jobs/apache-httpd/tomcat-connector.nix

@@ -0,0 +1,91 @@
+{config, pkgs, serverInfo}:
+
+let
+  workersProperties = pkgs.writeText "workers.properties" ''
+# Define list of workers that will be used
+# for mapping requests
+# The configuration directives are valid
+# for the mod_jk version 1.2.18 and later
+#
+worker.list=loadbalancer,status
+
+# Define Node1
+# modify the host as your host IP or DNS name.
+worker.node1.port=8009
+worker.node1.host=localhost
+worker.node1.type=ajp13
+worker.node1.lbfactor=1
+
+# Load-balancing behaviour
+worker.loadbalancer.type=lb
+worker.loadbalancer.balance_workers=node1
+
+# Status worker for managing load balancer
+worker.status.type=status
+  '';
+in
+{
+  extraModules = [
+    { name = "jk"; path = "${pkgs.tomcat_connectors}/modules/mod_jk.so"; }
+  ];
+
+  extraConfig = ''
+# Where to find workers.properties
+JkWorkersFile ${workersProperties}
+
+# Where to put jk logs
+JkLogFile ${config.logDir}/mod_jk.log
+
+# Set the jk log level [debug/error/info]
+JkLogLevel info
+
+# Select the log format
+JkLogStampFormat "[%a %b %d %H:%M:%S %Y]"
+
+# JkOptions indicates to send SSK KEY SIZE
+# Note: Changed from +ForwardURICompat. 
+# See http://tomcat.apache.org/security-jk.html  
+JkOptions +ForwardKeySize +ForwardURICompatUnparsed -ForwardDirectories
+
+# JkRequestLogFormat
+JkRequestLogFormat "%w %V %T"
+
+# Mount your applications
+JkMount /__application__/* loadbalancer
+
+# You can use external file for mount points.
+# It will be checked for updates each 60 seconds.
+# The format of the file is: /url=worker
+# /examples/*=loadbalancer
+#JkMountFile uriworkermap.properties
+
+# Add shared memory.
+# This directive is present with 1.2.10 and
+# later versions of mod_jk, and is needed for
+# for load balancing to work properly
+# Note: Replaced JkShmFile logs/jk.shm due to SELinux issues. Refer to 
+# https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=225452
+JkShmFile ${config.stateDir}/jk.shm
+
+# Static files in all Tomcat webapp context directories are served by apache
+JkAutoAlias /var/tomcat/webapps
+    
+# All requests go to worker by default
+JkMount /* loadbalancer
+# Serve some static files using httpd
+JkUnMount /*.html loadbalancer
+JkUnMount /*.jpg  loadbalancer
+JkUnMount /*.gif  loadbalancer
+JkUnMount /*.css  loadbalancer
+JkUnMount /*.png  loadbalancer
+JkUnMount /*.js  loadbalancer
+
+# Add jkstatus for managing runtime data
+<Location /jkstatus/>
+JkMount status
+Order deny,allow
+Deny from all
+Allow from 127.0.0.1
+</Location>
+  '';
+}