#!/bin/bash

# Requirements:

# LXD installed and running

# created profile "macvlan" to enable host bridge networking

#

# Usage:

# ./newcontainer.sh hostname1 hostname2 hostname3...

echo -n New root password for containers $@:

read -s ROOTPASS

echo

for GUEST in "$@"

do

echo guest is $GUEST

lxc launch images:centos/7/amd64 $GUEST -p default -p macvlan

# Normally we'd use lxc-wait, but it's broken as of Nov 2020

#lxc-wait -n $GUEST -s RUNNING

# Workaround:

lxc exec $GUEST -- bash -c 'while [ "$(systemctl is-system-running 2>/dev/null)" != "running" ] && [ "$(systemctl is-system-running 2>/dev/null)" != "degraded" ]; do :; done'

# Set root password

lxc exec $GUEST -- bash -c "echo 'root:$ROOTPASS' | chpasswd"

lxc exec $GUEST -- bash -c "yum -y install openssh-server sudo nano which numactl-libs firewalld"

# Set persistent hostname

lxc exec $GUEST -- bash -c "hostnamectl set-hostname $GUEST"

# Allow root login

lxc exec $GUEST -- bash -c "sed -i 's/#PermitRootLogin yes/PermitRootLogin yes/g' /etc/ssh/sshd_config"

lxc exec $GUEST -- bash -c "systemctl restart sshd"

lxc exec $GUEST -- bash -c "systemctl enable sshd"

done