LXC scripts

clone-sandbox.sh

#!/bin/bash -
#===============================================================================
#
#          FILE: clone-sandbox.sh
#
#         USAGE: ./clone-sandbox.sh
#
#   DESCRIPTION:
#
#       OPTIONS: ---
#  REQUIREMENTS: ---
#          BUGS: ---
#         NOTES: ---
#        AUTHOR: Adam Prager (),
#  ORGANIZATION:
#       CREATED: 03/17/2016 17:42
#      REVISION:  ---
#===============================================================================

set -o nounset                              # Treat unset variables as an error

name="sandbox$1"
defaultIp=253
ip="10.0.3.$(($defaultIp-$1))"
ssh=$((22000+$1))

echo "Cloning sandbox with the following parameters:"
echo "Name: $name"
echo "Ip: $ip"
echo "Ssh port: $ssh"

lxc-stop -n sandbox-default
lxc-clone sandbox-default $name
echo "dhcp-host=$name,$ip" >> /etc/lxc/dnsmasq.conf
iptables -t nat -D PREROUTING -p tcp -i eth0 --dport $ssh -j DNAT --to-destination $ip:22
iptables -t nat -A PREROUTING -p tcp -i eth0 --dport $ssh -j DNAT --to-destination $ip:22
/etc/init.d/iptables-persistent save
echo "server {
  listen 80;

  server_name $name.sf14.net;

  location / {
    proxy_pass http://$name.lxc;
    proxy_set_header Host              \$host;
    proxy_set_header X-Forwarded-For   \$proxy_add_x_forwarded_for;
    proxy_set_header X-Forwarded-Proto \$scheme;
    proxy_set_header Accept-Encoding   \"\";
  }
}" > /etc/nginx/sites-available/$name

ln -s /etc/nginx/sites-available/$name /etc/nginx/sites-enabled/$name

service lxc stop
service network-manager restart
service dnsmasq restart
service lxc start
service nginx restart