solar/bootstrap/playbooks/files/cleanup.sh
Bogdan Dobrelya b7433917a4 Fix virtualbox packer, add libvirt packer
* Use Ubuntu 14.04.3 ISO instead ovf box
* Add a libvirt target as well
* Add additional build shell scripts from
  bogdando/packer-atlas-example
* Use sudo for all shell commands
* Fix virtualbox guest additions build order
* Cleanups to reduce end image size
* Update README how to build and up both for vbox/libvirt

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
2015-10-27 12:35:35 +01:00

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Bash

#!/bin/bash -eux
CLEANUP_PAUSE=${CLEANUP_PAUSE:-0}
echo "==> Pausing for ${CLEANUP_PAUSE} seconds..."
sleep ${CLEANUP_PAUSE}
# Make sure udev does not block our network - http://6.ptmc.org/?p=164
echo "==> Cleaning up udev rules"
rm -rf /dev/.udev/
rm /lib/udev/rules.d/75-persistent-net-generator.rules
rm /etc/udev/rules.d/70-persistent-net.rules
mkdir /etc/udev/rules.d/70-persistent-net.rules
echo "==> Cleaning up leftover dhcp leases"
# Ubuntu 10.04
if [ -d "/var/lib/dhcp3" ]; then
rm /var/lib/dhcp3/*
fi
# Ubuntu 12.04 & 14.04
if [ -d "/var/lib/dhcp" ]; then
rm /var/lib/dhcp/*
fi
# Add delay to prevent "vagrant reload" from failing
echo "pre-up sleep 2" >> /etc/network/interfaces
echo "==> Cleaning up tmp"
rm -rf /tmp/*
# Cleanup apt cache
apt-get -y autoremove --purge
apt-get -y clean
apt-get -y autoclean
echo "==> Installed packages"
dpkg --get-selections | grep -v deinstall
# Remove Bash history
unset HISTFILE
rm -f /root/.bash_history
rm -f /home/vagrant/.bash_history
# Clean up log files
find /var/log -type f | while read f; do echo -ne '' > $f; done;
echo "==> Clearing last login information"
>/var/log/lastlog
>/var/log/wtmp
>/var/log/btmp
# Whiteout root
count=$(df --sync -kP / | tail -n1 | awk -F ' ' '{print $4}')
let count--
dd if=/dev/zero of=/tmp/whitespace bs=1024 count=$count
rm /tmp/whitespace
# Whiteout /boot
count=$(df --sync -kP /boot | tail -n1 | awk -F ' ' '{print $4}')
let count--
dd if=/dev/zero of=/boot/whitespace bs=1024 count=$count
rm /boot/whitespace
# Zero out the free space to save space in the final image
dd if=/dev/zero of=/EMPTY bs=1M
rm -f /EMPTY
# Make sure we wait until all the data is written to disk, otherwise
# Packer might quite too early before the large files are deleted
sync