docker

#!/usr/bin/env bash

set -eux

# Disable swap and keep it from being mounted

swapoff -a
sed -i -e '/swap/d' /etc/fstab

# Set locale

echo "LC_ALL=en_US.UTF-8" >> /etc/environment

##
# OS Tools
##

apt-get update
apt-get upgrade -qy
apt-get install -qy \
    apt-transport-https \
    bridge-utils \
    ca-certificates \
    curl \
    cntlm \
    git \
    htop \
    jq \
    nfs-common \
    nmap \
    open-iscsi \
    software-properties-common \
    sshpass \
    telnet \
    tmux \
    unzip \
    vim \
    wget

##
# OpenVM tools
##

apt-get install -qy \
    net-tools \
    open-vm-tools \
    perl

##
# Ansible
##

# apt-add-repository ppa:ansible/ansible -y
# apt-get update
apt-get install -qy \
    ansible \
    python \
    python-pip

pip install -U \
  pip \
  ansible-modules-hashivault \
  docker \
  hvac \
  jinja2 \
  netaddr \
  pbr \
  virtualenv

##
# Docker & Kubernetes
##

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | apt-key add -
add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
deb http://apt.kubernetes.io/ kubernetes-xenial main
EOF

export docker_version=18.06.1~ce~3-0~ubuntu

apt-get update
apt-get install -qy \
    docker-ce=$docker_version \
    kubelet \
    kubeadm \
    kubectl
apt-mark hold \
    docker-ce \
    kubelet \
    kubeadm \
    kubectl

unset docker_version

cat <<EOF >>/etc/modules
ip_vs
ip_vs_rr
ip_vs_wrr
ip_vs_sh
nf_conntrack_ipv4
EOF

cat <<EOF >/etc/sysctl.d/k8s.conf
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
EOF

sysctl --system

###
# upgrade kernel to 4.15.x
###

export kernel_dir=$(mktemp -d)
cd $kernel_dir
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/linux-headers-4.15.18-041518_4.15.18-041518.201804190330_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/linux-headers-4.15.18-041518-generic_4.15.18-041518.201804190330_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.15.18/linux-image-4.15.18-041518-generic_4.15.18-041518.201804190330_amd64.deb

# dpkg -i *.deb && apt-get install -yf
# cd -
# rm -rf $kernel_dir
# update-grub

# Auto resize root service

echo -n '
#!/bin/bash

# Use parted to extend root partition to available /dev/sda space
END=$(parted /dev/sda print free  | grep Free | tail -1 | awk "{print \$2}")
parted /dev/sda resizepart 2 $END
parted /dev/sda resizepart 5 $END
pvresize /dev/sda5
VGROUP=$(mount | grep root | grep mapper | awk "{ print \$1 }")
lvextend -l +100%FREE -r $VGROUP
' | tee /bin/autoresize-root.sh &>/dev/null

chmod +x /bin/autoresize-root.sh

cat << EOF >/etc/systemd/system/autoresize-root.service
[Unit]
Description=Autoresize root partition

[Service]
Type=simple
User=root
ExecStart=/bin/bash /bin/autoresize-root.sh

[Install]
WantedBy=default.target
EOF

systemctl daemon-reload
systemctl enable autoresize-root