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