Preliminary Debian support

Added a new init.d file for Debian, which requires the "daemon" package.T
This will be automatically required on Debian systems.

manifests/config.pp

@@ -19,6 +19,14 @@
   validate_string($java)
   validate_string($jar_name)
 
+  case $::osfamily {
+    'debian': {
+      package { "daemon":
+        ensure => "installed"
+      }
+    }
+  }
+
   # prog is the 'name' of the init.d script.
   $prog = "selenium${name}"
 
@@ -27,7 +35,7 @@
     owner   => 'root',
     group   => 'root',
     mode    => '0755',
-    content => template("${module_name}/init.d/selenium.erb"),
+    content => template("${module_name}/init.d/${selenium::params::service_template}"),
   } ~>
   service { $prog:
     ensure     => running,

manifests/params.pp

@@ -19,7 +19,12 @@
   $download_timeout = '90'
 
   case $::osfamily {
-    'redhat': {}
+    'redhat': {
+      $service_template = 'redhat.selenium.erb'
+    }
+    'debian': {
+      $service_template = 'debian.selenium.erb'
+    }
     default: {
       fail("Module ${module_name} is not supported on ${::operatingsystem}")
     }

templates/init.d/debian.selenium.erb

@@ -0,0 +1,231 @@
+#!/bin/bash
+# /etc/init.d/seleniumserver
+# debian-compatible seleniumserver startup script.
+# Amelia A Lewis <[email protected]>
+#
+### BEGIN INIT INFO
+# Provides:          seleniumserver
+# Required-Start:    $remote_fs $syslog $network
+# Required-Stop:     $remote_fs $syslog $network
+# Default-Start:     2 3 4 5
+# Default-Stop:      0 1 6
+# Short-Description: Start seleniumserver at boot time
+# Description:       Controls the selenium server engine.
+### END INIT INFO
+
+PATH=/bin:/usr/bin:/sbin:/usr/sbin
+
+DESC="Selenium Remote Control Server"
+NAME='<%= @prog %>'
+SCRIPTNAME=/etc/init.d/$NAME
+PIDFILE=/var/run/$NAME/$NAME.pid
+SELENIUM_USER='<%= @user %>'
+SELENIUM_INSTALL_ROOT='<%= @install_root %>'
+SELENIUM_JAR_NAME='<%= @jar_name %>'
+SELENIUM_JAR="${SELENIUM_INSTALL_ROOT}/jars/${SELENIUM_JAR_NAME}"
+SELENIUM_LOG_NAME='<%= @name %>'
+SELENIUM_LOG="${SELENIUM_INSTALL_ROOT}/log/${SELENIUM_LOG_NAME}_stdout.log"
+SELENIUM_ERROR_LOG="${SELENIUM_INSTALL_ROOT}/log/${SELENIUM_LOG_NAME}_stderr.log"
+SELENIUM_DISPLAY='<%= @display %>'
+SELENIUM_OPTIONS='<%= @options %>'
+HTTP_PORT=4444
+SELENIUM_ARGS="-port $HTTP_PORT"
+SELENIUM_JAVA='<%= @java %>'
+
+[ -r /etc/default/$NAME ] && . /etc/default/$NAME
+
+DAEMON=/usr/bin/daemon
+DAEMON_ARGS="--name=$NAME --inherit --output=$SELENIUM_LOG --pidfile=$PIDFILE --env='DISPLAY=${SELENIUM_DISPLAY}'"
+
+SU=/bin/su
+# Exit if the package is not installed
+[ -x "$DAEMON" ] || exit 0
+
+# load environments
+if [ -r /etc/default/locale ]; then
+  . /etc/default/locale
+  export LANG LANGUAGE
+elif [ -r /etc/environment ]; then
+  . /etc/environment
+  export LANG LANGUAGE
+fi
+
+# Load the VERBOSE setting and other rcS variables
+. /lib/init/vars.sh
+
+# Define LSB log_* functions.
+# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
+. /lib/lsb/init-functions
+
+# Make sure we run as root, since setting the max open files through
+# ulimit requires root access
+if [ `id -u` -ne 0 ]; then
+    echo "The $NAME init script can only be run as root"
+    exit 1
+fi
+
+check_tcp_port() {
+    local service=$1
+    local assigned=$2
+    local default=$3
+
+    if [ -n "$assigned" ]; then
+        port=$assigned
+    else
+        port=$default
+    fi
+
+    count=`netstat --listen --numeric-ports | grep \:$port[[:space:]] | grep -c . `
+
+    if [ $count -ne 0 ]; then
+        echo "The selected $service port ($port) seems to be in use by another program "
+        echo "Please select another port to use for $NAME"
+        return 1
+    fi
+}
+
+#
+# Function that starts the daemon/service
+#
+do_start()
+{
+    # the default location is /var/run/seleniumserver/seleniumserver.pid but the parent directory needs to be created
+    mkdir `dirname $PIDFILE` > /dev/null 2>&1 || true
+    chown $SELENIUM_USER `dirname $PIDFILE`
+    # Return
+    #   0 if daemon has been started
+    #   1 if daemon was already running
+    #   2 if daemon could not be started
+    $DAEMON $DAEMON_ARGS --running && return 1
+
+    # Verify that the seleniumserver port is not already in use
+    check_tcp_port "http" "$HTTP_PORT" "4444" || return 1
+
+    # --user in daemon doesn't prepare environment variables like HOME, USER, LOGNAME or USERNAME,
+    # so we let su do so for us now
+    $SU -l $SELENIUM_USER --shell=/bin/bash -c "$DAEMON $DAEMON_ARGS -- java -jar ${SELENIUM_JAR} ${SELENIUM_OPTIONS} > ${SELENIUM_LOG} 2> ${SELENIUM_ERROR_LOG}" || return 2
+}
+
+#
+# Verify that all seleniumserver processes have been shutdown
+# and if not, then do killall for them
+#
+get_running()
+{
+    return `ps -U $SELENIUM_USER --no-headers -f | egrep -e '(java|daemon)' | grep -c . `
+}
+
+force_stop()
+{
+    get_running
+    if [ $? -ne 0 ]; then
+        killall -u $SELENIUM_USER java daemon || return 3
+    fi
+}
+
+# Get the status of the daemon process
+get_daemon_status()
+{
+    $DAEMON $DAEMON_ARGS --running || return 1
+}
+
+#
+# Function that stops the daemon/service
+#
+do_stop()
+{
+    # Return
+    #   0 if daemon has been stopped
+    #   1 if daemon was already stopped
+    #   2 if daemon could not be stopped
+    #   other if a failure occurred
+    get_daemon_status
+    case "$?" in
+        0)
+            $DAEMON $DAEMON_ARGS --stop || return 2
+        # wait for the process to really terminate
+        for n in 1 2 3 4 5; do
+            sleep 1
+            $DAEMON $DAEMON_ARGS --running || break
+        done
+        if get_daemon_status; then
+                force_stop || return 3
+        fi
+            ;;
+        *)
+            force_stop || return 3
+            ;;
+    esac
+
+    # Many daemons don't delete their pidfiles when they exit.
+    rm -f $PIDFILE
+    return 0
+}
+
+case "$1" in
+  start)
+    log_daemon_msg "Starting $DESC" "$NAME"
+    do_start
+    case "$?" in
+        0|1) log_end_msg 0 ;;
+        2) log_end_msg 1 ;;
+    esac
+    ;;
+  stop)
+    log_daemon_msg "Stopping $DESC" "$NAME"
+    do_stop
+    case "$?" in
+        0|1) log_end_msg 0 ;;
+        2) log_end_msg 1 ;;
+    esac
+    ;;
+  restart|force-reload)
+    #
+    # If the "reload" option is implemented then remove the
+    # 'force-reload' alias
+    #
+    log_daemon_msg "Restarting $DESC" "$NAME"
+    do_stop
+    case "$?" in
+      0|1)
+        do_start
+        case "$?" in
+          0) log_end_msg 0 ;;
+          1) log_end_msg 1 ;; # Old process is still running
+          *) log_end_msg 1 ;; # Failed to start
+        esac
+        ;;
+      *)
+        # Failed to stop
+        log_end_msg 1
+        ;;
+    esac
+    ;;
+  status)
+      get_daemon_status
+      case "$?" in
+         0) echo "$DESC is running with the pid `cat $PIDFILE`";;
+         *)
+              get_running
+              procs=$?
+              if [ $procs -eq 0 ]; then
+                  echo -n "$DESC is not running"
+                  if [ -f $PIDFILE ]; then
+                      echo ", but the pidfile ($PIDFILE) still exists"
+                  else
+                      echo
+                  fi
+              else
+                  echo "$procs instances of seleniumserver are running at the moment"
+                  echo "but the pidfile $PIDFILE is missing"
+              fi
+              ;;
+      esac
+    ;;
+  *)
+    echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
+    exit 3
+    ;;
+esac
+
+exit 0