mirror-image/scripts/base.sh

#!/bin/bash -xe
## Base packages and setup
export DEBIAN_FRONTEND=noninteractive
echo "exit 101" > /usr/sbin/policy-rc.d
chmod +x /usr/sbin/policy-rc.d

echo "Acquire::CompressionTypes::Order gz;" >/etc/apt/apt.conf.d/99compression-workaround-salt

# Overwrite default mirrors
echo "deb mirror://mirrors.ubuntu.com/mirrors.txt xenial main restricted multiverse universe" > /etc/apt/sources.list
echo "deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-updates main restricted multiverse universe" >> /etc/apt/sources.list
echo "deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-security main restricted multiverse universe" >> /etc/apt/sources.list
echo "deb mirror://mirrors.ubuntu.com/mirrors.txt xenial-backports main restricted multiverse universe" >> /etc/apt/sources.list

apt-get clean
apt-get update

# Useful tools
apt-get -y install byobu curl ethtool htop iputils-ping lsof strace tcpdump tmux traceroute tree vim-nox wget
# Install common prerequisites
apt-get -y install apt-transport-https libmnl0 python-apt python-m2crypto python-psutil

# Cleanup old kernels, ensure latest is installed via virtual package
apt-get purge -y linux-image-* linux-headers-*
if [ ! -f /tmp/no_install_kernel ]; then
    # Use HWE kernel
    ## Temporary disable latest hwe due to: https://bugs.launchpad.net/ubuntu/+source/linux-hwe-edge/+bug/1679823
    #apt-get install -y linux-image-generic-hwe-16.04
    apt-get install -y linux-image-4.8.0-41-generic linux-image-extra-4.8.0-41-generic

    # Update grub cmdline
    sed -i 's|GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT="console=tty0 console=ttyS0,115200n8"|g' /etc/default/grub
    sed -i 's|GRUB_CMDLINE_LINUX=.*|GRUB_CMDLINE_LINUX="console=tty0 console=ttyS0,115200n8"|g' /etc/default/grub
    update-grub
fi

apt-get -y upgrade
apt-get -y dist-upgrade

apt-get autoremove --purge

# Tmux fixes
cat << 'EOF' >> /etc/tmux.conf
set -g default-terminal "screen-256color"
set -g set-titles on
set -g xterm-keys on
EOF

# Setup cloud-init
apt-get -y install cloud-init

# Disable apt-daily
systemctl disable apt-daily.timer

# Motd
apt-get -y install update-motd
rm -vf /etc/update-motd.d/*
echo "BUILD_TIMESTAMP=$(date '+%Y-%m-%d-%H-%M-%S' -u)" > /etc/image_version
echo "BUILD_TIMESTAMP_RFC=\"$(date -u -R)\"" >> /etc/image_version
cat << 'EOF' >> /etc/update-motd.d/00-header-mirantis
#!/bin/sh
#
#    00-header - create the header of the MOTD
#
[ -r /etc/image_version ] && . /etc/image_version
echo "Ubuntu 16.04 \"Xenial\" Mirantis cloud image"
echo "Build date: ${BUILD_TIMESTAMP_RFC}"
EOF
chmod +x /etc/update-motd.d/00-header-mirantis