* restart-memhogs.sh: Script to restart supervisor controlled apps that consume

too much memory.
* startTurboGearsApp.sh: Script to start a TurboGears app from supervisor.

scripts/tg-support/restart-memhogs.sh

@@ -0,0 +1,31 @@
+#!/bin/sh
+# Author: Toshio Kuratomi <toshio@fedoraproject.org>
+# Script to restart supervisor controlled applications if their memory usage
+# goes over a preset limit.
+#
+# This script is run on alternate app servers, checking the memory usage of
+# each app.  If they exceed the maximum memory we've alloted to them, the
+# script tells supervisor to restart the app.
+
+# APPS and MEMLIMIT map a supervisor appname to a maximal memory usage.
+# Note: Only put load balanced apps managed by TG in this var.
+APPS=('mirrorlist_server' 'mirrormanager' 'packagedb' 'smolt' 'fas')
+MEMLIMIT=(250000          800000          500000      200000  1000000)
+# These aren't load balanced yet
+#APPS=("${APPS[@]}" 'transifex' 'bodhi')
+#MEMLIMIT=(${MEMLIMIT[@]} 250000 500000)
+
+for ((i = 0 ; i < ${#APPS[@]} ;i++ )) ; do
+  # Supervisor knows the PID of the processes
+  PID=`supervisorctl status ${APPS[$i]} | sed -e 's/.*pid \([0-9]\+\),.*/\1/'`
+  # Ignore crashed apps or apps not present on this server
+  if test `echo "$PID" | egrep '^[0-9]+$'` ; then
+    # We use Resident Set Size to determine if the app is using too much memory
+    RSS=`ps -eo pid,rss|egrep -w "^[[:space:]]*$PID"| awk '// { print $2 }'`
+    if test "$RSS" -gt ${MEMLIMIT[$i]} ; then
+      # Use supervisor to restart the app
+      echo "Restarting ${APPS[$i]} $PID RSS: $RSS"
+      supervisorctl restart ${APPS[$i]}
+    fi
+  fi
+done

scripts/tg-support/startTurboGearsApp.sh

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+#!/bin/bash
+# Starts a turbogears application
+
+if [ ! $1 ]
+then
+    echo "Please provide a path to the turbogears startup file and an optional environment"
+    exit 1
+fi
+
+DIR=$(/usr/bin/dirname $1)
+cd $DIR
+pkill -f "python $1 $2"
+
+exec /usr/bin/python $1 $2
+