script to kill stray failbochs instances

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1056 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

scripts/killall-bochs.sh

+#!/bin/bash
+#
+# killall-bochs.sh
+# Kills all remaining FailBochs instances on $FAIL_EXPERIMENT_HOSTS.
+#
+# Prerequisites:
+# - (possibly overridden) env variables from fail-env.sh
+#
+# FIXME: unify with runcampaign.sh
+
+set -e
+# determine absolute path of this script
+SCRIPTDIR=$(readlink -f $(dirname $0))
+# env variable defaults
+source $SCRIPTDIR/fail-env.sh
+
+CMD="killall -q client.sh"
+SSH='ssh -o BatchMode=yes -o ConnectTimeout=60'
+CONNECTION_ATTEMPTS=2
+
+for h in $FAIL_EXPERIMENT_HOSTS
+do
+	if [[ $h == *:* ]]
+	then
+		# split in host:nclients
+		NCLIENTS=${h#*:}
+		h=${h%:*}
+	else
+		NCLIENTS=
+	fi
+
+	(
+		for i in $(seq $CONNECTION_ATTEMPTS)
+		do
+			$SSH $h "$CMD" && break
+			# failed?  sleep 1-10s and retry.
+			sleep $(($RANDOM / (32768 / 10) + 1))
+			echo retrying $h ...
+		done
+	) &
+done