2012-01-11 18:41:53 -08:00

137 lines
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#!/bin/bash
# Copyright (C) 2011 Citrix Systems, Inc. All rights reserved
#
# This software is licensed under the GNU General Public License v3 or later.
#
# It is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# Health check script for the Secondary Storage VM
# /proc/cmdline can have a different number of arguments depending on whether or not a second
# DNS server is specified.
CMDLINE=/var/cache/cloud/cmdline
for i in `cat $CMDLINE`
do
key=`echo $i | cut -d= -f1`
value=`echo $i | cut -d= -f2`
case $key in
host)
MGMTSERVER=$value
;;
esac
done
# ping dns server
echo ================================================
DNSSERVER=`egrep '^nameserver' /etc/resolv.conf | awk '{print $2}'| head -1`
echo "First DNS server is " $DNSSERVER
ping -c 2 $DNSSERVER
if [ $? -eq 0 ]
then
echo "Good: Can ping DNS server"
else
echo "WARNING: cannot ping DNS server"
echo "route follows"
route -n
fi
# check dns resolve
echo ================================================
nslookup download.cloud.com 1> /tmp/dns 2>&1
grep 'no servers could' /tmp/dns 1> /dev/null 2>&1
if [ $? -eq 0 ]
then
echo "ERROR: DNS not resolving download.cloud.com"
echo resolv.conf follows
cat /etc/resolv.conf
exit 2
else
echo "Good: DNS resolves download.cloud.com"
fi
# check to see if we have the NFS volume mounted
echo ================================================
mount|grep -v sunrpc|grep nfs 1> /dev/null 2>&1
if [ $? -eq 0 ]
then
echo "NFS is currently mounted"
# check for write access
for MOUNTPT in `mount|grep -v sunrpc|grep nfs| awk '{print $3}'`
do
if [ $MOUNTPT != "/proc/xen" ] # mounted by xen
then
echo Mount point is $MOUNTPT
touch $MOUNTPT/foo
if [ $? -eq 0 ]
then
echo "Good: Can write to mount point"
rm $MOUNTPT/foo
else
echo "ERROR: Cannot write to mount point"
echo "You need to export with norootsquash"
fi
fi
done
else
echo "ERROR: NFS is not currently mounted"
echo "Try manually mounting from inside the VM"
NFSSERVER=`awk '{print $17}' $CMDLINE|awk -F= '{print $2}'|awk -F: '{print $1}'`
echo "NFS server is " $NFSSERVER
ping -c 2 $NFSSERVER
if [ $? -eq 0 ]
then
echo "Good: Can ping NFS server"
else
echo "WARNING: cannot ping NFS server"
echo routing table follows
route -n
fi
fi
# check for connectivity to the management server
echo ================================================
echo Management server is $MGMTSERVER. Checking connectivity.
socatout=$(echo | socat - TCP:$MGMTSERVER:8250,connect-timeout=3 2>&1)
if [ $? -eq 0 ]
then
echo "Good: Can connect to management server port 8250"
else
echo "ERROR: Cannot connect to $MGMTSERVER port 8250"
echo $socatout
exit 4
fi
# check for the java process running
echo ================================================
ps -eaf|grep -v grep|grep java 1> /dev/null 2>&1
if [ $? -eq 0 ]
then
echo "Good: Java process is running"
else
echo "ERROR: Java process not running. Try restarting the SSVM."
exit 3
fi
echo ================================================
echo Tests Complete. Look for ERROR or WARNING above.
exit 0