#!/bin/bash
#Inputs
name=${1}
number=${2}
packages="bash-completion,htop,net-tools,ssmtp"
if [ ${3} ]; then
    packages="${packages},${3}"
fi
enable=""
if [ ${4} ]; then
    enable="-e ${4}"
fi
#Variables
hwaddr = "52:54:00:00:${number}:01"
ipv6 = "2a01:4f8:151:13cd::${number}/64"

# Create lxc Container
lxc-create -t archlinux -n ${name} -B overlayfs -- -P ${packages} ${enable}
cat > /var/lib/lxc/${name}/config << EOF

# Template used to create this container: /usr/share/lxc/templates/lxc-archlinux
# Parameters passed to the template:
# For additional config options, please look at lxc.container.conf(5)
lxc.rootfs = /var/lib/lxc/${name}/rootfs
lxc.utsname = ${name}
lxc.arch = x86_64
lxc.include = /usr/share/lxc/config/archlinux.common.conf

# Network configuration
lxc.network.type = veth
lxc.network.link = br0
lxc.network.flags = up
lxc.network.hwaddr = ${hwaddr}
lxc.network.name = eth0
lxc.network.veth.pair = veth.${number}.0
lxc.network.ipv6= ${ipv6}
lxc.network.ipv6.gateway=fe80::1

lxc.network.type = veth
lxc.network.link = br1
lxc.network.flags = up
lxc.network.hwaddr = 52:54:00:00:${number}:02
lxc.network.name = eth1
lxc.network.veth.pair = veth.${number}.1
lxc.network.ipv4=10.0.1.${number}/24
lxc.network.ipv4.gateway=10.0.1.1
 
lxc.start.auto=1
 
lxc.cgroup.memory.limit_in_bytes = 2G
lxc.cgroup.memory.memsw.limit_in_bytes = 4G
 
#lxc.mount.entry=/pathk path/in/container none bind,ro 0 0
EOF

# SSMPT Settings
cat > /var/lib/lxc/${name}/rootfs/etc/ssmtp/ssmtp.conf << EOF
root=test@mein.com
mailhub=smtp.mein.com:587
rewriteDomain=mein.com
hostname=${name}
FromLineOverride=YES
UseTLS=YES
UseSTARTTLS=Yes
AuthUser=test@mein.com
AutPass=
FromLineOverride=yes
EOF