VictoriaMetrics/deployment/marketplace/digitialocean/one-click-droplet/scripts/90-cleanup.sh
Denys Holius 24915fd4bc
Fix some typos and adds improvements for packer builds (#3825)
* update helper scripts to latest versions

* added missed command for initialisation variables from Makefile

* deployment/marketplace/vultr/helper-scripts/vultr-helper.sh: update helper script to latest version

* fixed typo for using VM_VERSION variable

* added an example of specifying the VM_VERSION and tokens for API's

* set packer logging to STDOUT by default
2023-02-23 12:42:55 +04:00

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#!/bin/bash
# Ensure /tmp exists and has the proper permissions before
# checking for security updates
# https://github.com/digitalocean/marketplace-partners/issues/94
if [[ ! -d /tmp ]]; then
mkdir /tmp
fi
chmod 1777 /tmp
apt-get -y update
apt-get -y upgrade
rm -rf /tmp/* /var/tmp/*
history -c
cat /dev/null > /root/.bash_history
unset HISTFILE
apt-get -y autoremove
apt-get -y autoclean
find /var/log -mtime -1 -type f -exec truncate -s 0 {} \;
rm -rf /var/log/*.gz /var/log/*.[0-9] /var/log/*-????????
rm -rf /var/lib/cloud/instances/*
rm -f /root/.ssh/authorized_keys /etc/ssh/*key*
touch /etc/ssh/revoked_keys
chmod 600 /etc/ssh/revoked_keys
sudo apt-get purge droplet-agent -y
history -c
cat /dev/null > /root/.bash_history
unset HISTFILE
# Securely erase the unused portion of the filesystem
GREEN='\033[0;32m'
NC='\033[0m'
printf "\n${GREEN}Writing zeros to the remaining disk space to securely
erase the unused portion of the file system.
Depending on your disk size this may take several minutes.
The secure erase will complete successfully when you see:${NC}
dd: writing to '/zerofile': No space left on device\n
Beginning secure erase now\n"
dd if=/dev/zero of=/zerofile &
PID=$!
while [ -d /proc/$PID ]
do
printf "."
sleep 5
done
sync; rm /zerofile; sync
cat /dev/null > /var/log/lastlog; cat /dev/null > /var/log/wtmp