Proxmox 2-node cluster - fencing device

dietmar said:

You can't do automatic failover without fencing. At least it is very dangerous to do that.

Click to expand...

#!/bin/sh
while getopts "a:l" opt;
do
case $opt in
a) address=$2 ;;
l) user=$2 ;;
p) pass=$2 ;;
o) action=$2 ;;
*) echo "Usage: $0 -a -l -p -o" ; exit 1 ;;
esac
echo "Issuing: curl -u $user:$pass https://robot-ws.your-server.de/reset/$address -d type=$action"
curl -u $user:$pass https://robot-ws.your-server.de/reset/$address -d type=$action
done

Click to expand...

###############################################################################################################
#
# Possible parameters from STDIN described below
#
#
# action = operation (on, off, reboot, monitor, list, status)
# on - needs to be implemented -> WOL
# off - not supported, will be automatic hardware reset
# reboot - will we CTL+ALT+DEL
# monitor - not supported
# list - not supported
# status - not supported
# option = obsolet parameter - use action instead
# not parsed
# ipaddr = hostname or ip
# login = username or login name
# passwd = password
# passwd_script = for script outside of cluster config
# not implemented
# port = if port needs to be specified
# not implemented
# nodename = if agent fences by node name, choose between nodename and port - preference although is port
# not parsed
#
###############################################################################################################

# define some variables
timestamp=date
logfile=/var/log/fence_hetzner.log

# First check if we are running from command line
if [ $# -gt 0 ]
then
while getopts "a:l:" opt;
do
# parse valid arguments
case $opt in
a) address=$OPTARG ; echo $address ;;
l) user=$OPTARG ; echo $user ;;
p) pass=$OPTARG ; echo $pass ;;
o) action=$OPTARG ; echo $action ;;
# description needs to be implemented
*) echo "Usage: $0 -a -l -p -o" ; exit 1 ;;
esac
done
# ok, so we are getting parameters from fenced
else
while read LINE;
do
# split input by =, and parse arguments
param=`echo $LINE | awk -F "=" '{print $1}'`
case $param in
ipaddr) address=`echo $LINE | awk -F "=" '{print $2}'` ;;
login) user=`echo $LINE | awk -F "=" '{print $2}'` ;;
passwd) pass=`echo $LINE | awk -F "=" '{print $2}'` ;;
action) action=`echo $LINE | awk -F "=" '{print $2}'` ;;
esac
done
fi

# translate action to hetzner webservice supported
case $action in
off) action=hw ;;
reboot) action=sw ;;
esac

# write command to be issued to logfile
echo "[$date] Issuing: curl -u $user":"$pass https://robot-ws.your-server.de/reset/$address -d type=$action \n" >> $logfile

# function to parse return code from webservice
if [ $1 = 200 ]
then
echo "[$date] STATUS 200 - Reset ok" >> $logfile
return 0
else
# write some basic error message to logfile
case $1 in
400) echo "[$date] ERROR 400 - Invalid Input" >> $logfile ;;
404) echo "[$date] ERROR 404 - Server with $address not found" >> $logfile ;;
409) echo "[$date] ERROR 409 - Manual reset already active" >> $logfile ;;
500) echo "[$date] ERROR 500 - Reset failed due to internal error" >> $logfile ;;
esac
return 1
fi
}

# issue our constructed call to parse function
check_http_response $(curl --silent -o /dev/null -w '%{http_code}' -u $user:$pass https://robot-ws.your-server.de/reset/$address -d type=$action)

# exit with return code defined by function
exit $?

Click to expand...