Example User-Data LSF

#!/bin/bash

set -x

#typical aws-style hostname
NEW\
_HOSTNAME=$( echo ip-$( hostname -I |sed 's/\./-/g' |sed 's/ //g' ) )
hostname ${NEW_HOSTNAME}

##temporarily change the root password
#echo root:AAAAAA |chpasswd

##delete line 3 of /etc/hosts
#sed -i.orig '3d' /etc/hosts

#add an /etc/hosts self-identifying entry
echo >> /etc/hosts
echo -e "$( hostname -I )\t\t\t${NEW_HOSTNAME}" >> /etc/hosts

##aws-resource-connector based AMI has a local /opt/lsf/conf asset
## and needs configuration file updated to faciliate startup under
## the XIO Provider in Resource Connector:
## change resource designation
sed -i 's/awshost/xiohost/g' /opt/lsf/conf/lsf.conf
. /opt/lsf/conf/profile.lsf
lsadmin limstartup
lsadmin resstartup
badmin hstartup

#!/bin/bash
#set -ex
#set -e

export LOGGER="/tmp/log.user-data-$( basename ${0} ).$$"
# by dropping everything in to a subshell
(
echo STARTing $( date )

set -x

echo root:AAAAAAA |chpasswd

%EXPORT_USER_DATA%

IP=$( hostname -I |awk '{print $1}' )
NEW_HOSTNAME=ip-$( echo ${IP} |sed 's/\./-/g' )
hostnamectl set-hostname ${NEW_HOSTNAME} --static

#example cleanup of /etc/hosts artifacts
sed -i "/lsf-head/d; /ems/d" /etc/hosts
echo >> /etc/hosts
echo -e "172.28.130.158\t\thead" >> /etc/hosts
echo -e "${IP}\t\t${NEW_HOSTNAME}" >> /etc/hosts

#example fixing of the FS Table
sed -i s'/#head/head/g' /etc/fstab && systemctl daemon-reload && mount -a
sleep 2

#example copying of a remote LSF_TOP dir 
#to avoid changing the cluster-wide configuration files
#when changing local copies instead is safer
mkdir -p /local/lsf/{log,conf}
rsync -avr /opt/lsf/conf/ /local/lsf/conf/
sed -i 's/opt/local/g' /local/lsf/conf/profile.lsf
sed -i 's/opt/local/g' /local/lsf/conf/lsf.conf

/opt/lsf/10.1/install/hostsetup --top=/opt/lsf --boot=y --dynamic

. /local/lsf/conf/profile.lsf

LSF_CONF_FILE=/local/lsf/conf/lsf.conf

if [[ -n ${rc_account} ]]; then
  sed -i "s/\(LSF_LOCAL_RESOURCES=.*\)\"/\1 [resourcemap ${rc_account}*rc_account]\"/" $LSF_CONF_FILE
fi

if [[ -n ${template_id} ]]; then
  sed -i "s/\(LSF_LOCAL_RESOURCES=.*\)\"/\1 [resourcemap ${template_id}*templateID]\"/" $LSF_CONF_FILE
fi

if [[ -n ${clustername} ]]; then
  sed -i "s/\(LSF_LOCAL_RESOURCES=.*\)\"/\1 [resourcemap ${clustername}*clusterName]\"/" $LSF_CONF_FILE
fi

if [[ -n ${providerName} ]]; then
  sed -i "s/\(LSF_LOCAL_RESOURCES=.*\)\"/\1 [resourcemap ${providerName}*providerName]\"/" $LSF_CONF_FILE
fi


#. /opt/lsf/conf/profile.lsf

systemctl daemon-reload
systemctl start lsfd &

echo ENDing $( date )

) |& tee -a ${LOGGER}