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#!/bin/bash
logfile="/home/$(whoami)/system_updates.log"
function lecho(){
echo -e "$(date '+%Y-%m-%d %H:%M:%S') $*" >> "$logfile"
echo -e "$(date '+%Y-%m-%d %H:%M:%S') $*"
}
commands=(
'sudo apt-get update'
'sudo aptitude safe-upgrade'
#'sudo apt-get autoclean'
'sudo apt-get autoremove'
)
# instance info
instance_id="$(curl --silent http://169.254.169.254/latest/meta-data/instance-id)"
lecho "----------------------------------------"
lecho "Begin System Updates"
lecho " - instance_id=>'$instance_id'"
lecho ""
for command in "${commands[@]}"; do
lecho " begin command='${command}'"
$command
result="$?"
lecho " result='${result}'"
if [[ "$result" != '0' ]]; then
lecho "ERROR! Non-Zero return var from command='$command'! Quitting with return var 1."
exit 1
fi
done
lecho "Finished System Updates"
lecho "----------------------------------------"