packer/packer_templates/osm/scripts/cleanup.sh

   1 #!/bin/sh -eux
   2
   3 #   Licensed under the Apache License, Version 2.0 (the "License");
   4 #   you may not use this file except in compliance with the License.
   5 #   You may obtain a copy of the License at
   6 #
   7 #       http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 #   Unless required by applicable law or agreed to in writing, software
  10 #   distributed under the License is distributed on an "AS IS" BASIS,
  11 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 #   See the License for the specific language governing permissions and
  13 #   limitations under the License.
  14
  15 # Delete all Linux headers
  16 dpkg --list \
  17   | awk '{ print $2 }' \
  18   | grep 'linux-headers' \
  19   | xargs apt-get -y purge;
  20
  21 # Remove specific Linux kernels, such as linux-image-3.11.0-15-generic but
  22 # keeps the current kernel and does not touch the virtual packages,
  23 # e.g. 'linux-image-generic', etc.
  24 dpkg --list \
  25     | awk '{ print $2 }' \
  26     | grep 'linux-image-.*-generic' \
  27     | grep -v `uname -r` \
  28     | xargs apt-get -y purge;
  29
  30 # Delete Linux source
  31 dpkg --list \
  32     | awk '{ print $2 }' \
  33     | grep linux-source \
  34     | xargs apt-get -y purge;
  35
  36 # Delete development packages
  37 dpkg --list \
  38     | awk '{ print $2 }' \
  39     | grep -- '-dev$' \
  40     | xargs apt-get -y purge;
  41
  42 # delete docs packages
  43 dpkg --list \
  44     | awk '{ print $2 }' \
  45     | grep -- '-doc$' \
  46     | xargs apt-get -y purge;
  47
  48 # Delete X11 libraries
  49 apt-get -y purge libx11-data xauth libxmuu1 libxcb1 libx11-6 libxext6;
  50
  51 # Delete obsolete networking
  52 apt-get -y purge ppp pppconfig pppoeconf;
  53
  54 # Delete oddities
  55 apt-get -y purge popularity-contest installation-report command-not-found friendly-recovery bash-completion fonts-ubuntu-font-family-console laptop-detect;
  56
  57 # 19.10+ don't have this package so fail gracefully
  58 apt-get -y purge command-not-found-data || true;
  59
  60 # Exlude the files we don't need w/o uninstalling linux-firmware
  61 echo "==> Setup dpkg excludes for linux-firmware"
  62 cat <<_EOF_ | cat >> /etc/dpkg/dpkg.cfg.d/excludes
  63 #BEGIN
  64 path-exclude=/lib/firmware/*
  65 path-exclude=/usr/share/doc/linux-firmware/*
  66 #END
  67 _EOF_
  68
  69 # Delete the massive firmware packages
  70 rm -rf /lib/firmware/*
  71 rm -rf /usr/share/doc/linux-firmware/*
  72
  73 apt-get -y autoremove;
  74 apt-get -y clean;
  75
  76 # Remove docs
  77 rm -rf /usr/share/doc/*
  78
  79 # Remove caches
  80 find /var/cache -type f -exec rm -rf {} \;
  81
  82 # truncate any logs that have built up during the install
  83 find /var/log -type f -exec truncate --size=0 {} \;
  84
  85 # Blank netplan machine-id (DUID) so machines get unique ID generated on boot.
  86 truncate -s 0 /etc/machine-id
  87
  88 # remove the contents of /tmp and /var/tmp
  89 rm -rf /tmp/* /var/tmp/*
  90
  91 # clear the history so our install isn't there
  92 export HISTSIZE=0
  93 rm -f /root/.wget-hsts