#!/bin/bash
# forksand-bootstrap-shark4
# GPLv3+
# This script does some initial setup and config
# Sets up Proxmox.
# IPv6 is left enabled.
# Firewalling is done through Proxmox.
# Edit below to add Proxmox Enterprise Key. XXX broken, use community repo.

# XXX set network to auto not hotplug XXX

# Log script
exec > >(tee /root/bootstrap-shark4.log) 2>/root/bootstrap-shark4.err

set -x

# Set locale
echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
locale-gen
update-locale

# XXX Set timezone
ln -sf /usr/share/zoneinfo/America/Denver /etc/localtime

# Set up git for tracking. XXX Ansible... XXX
apt-get -y install git sudo
cd /etc
git init
chmod og-rwx /etc/.git

cat > /etc/.gitignore <<EOF
prelink.cache
*.swp
ld.so.cache
adjtime
blkid.tab
blkid.tab.old
mtab
resolv.conf
asound.state
mtab.fuselock
aliases.db
EOF

git config --global user.name "debian"
git config --global user.email git@localhost
cd /etc ; git add . ; git commit -a -m 'Set up new Debian Stretch shark4 server.'

# SET UP APT
#
cat > /etc/apt/sources.list <<EOF
deb http://mirrors.kernel.org/debian/ stretch-backports main
deb http://mirrors.kernel.org/debian/ stretch main
deb http://mirrors.kernel.org/debian/ stretch-updates main
deb http://security.debian.org/ stretch/updates main
EOF

# Make apt use IPv4:
echo 'Acquire::ForceIPv4 "true";' | tee /etc/apt/apt.conf.d/99force-ipv4

git add /etc/apt/apt.conf.d/99force-ipv4
git commit -m "Force APT to use IPv4, not IPv6." /etc/apt/apt.conf.d/99force-ipv4

cd /etc ; git add . ; git commit -a -m 'Set up apt.'

# UPGRADE SERVER
apt-get update
apt-get -y dist-upgrade --download-only
DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" dist-upgrade

cd /etc ; git add . ; git commit -a -m 'Update base install'

apt-get -y --download-only install					\
	--no-install-recommends						\
	apt-transport-https						\
	bzip2								\
	ca-certificates							\
	colordiff							\
	cpufrequtils							\
	curl								\
	debian-archive-keyring						\
	exuberant-ctags							\
	git								\
	host								\
	less								\
	locales								\
	lsb-release							\
	man-db								\
	manpages							\
	molly-guard							\
	net-tools							\
	ntp								\
	openssh-server							\
	python3								\
	rsync								\
	telnet								\
	traceroute							\
	vim								\
	vim-scripts

DEBIAN_FRONTEND=noninteractive apt-get -y 				\
	-o Dpkg::Options::="--force-confdef"				\
	-o Dpkg::Options::="--force-confnew"				\
	install								\
	--no-install-recommends						\
	apt-transport-https						\
	bzip2								\
	ca-certificates							\
	colordiff							\
	cpufrequtils							\
	curl								\
	debian-archive-keyring						\
	exuberant-ctags							\
	git								\
	host								\
	less								\
	locales								\
	lsb-release							\
	man-db								\
	manpages							\
	molly-guard							\
	net-tools							\
	ntp								\
	openssh-server							\
	python3								\
	rsync								\
	telnet								\
	traceroute							\
	vim								\
	vim-scripts

cd /etc ; git add . ; git commit -a -m 'Install base packages'

# NTP SharkTech
sed -i											\
	-e 's/pool 0.debian.pool.ntp.org/\#pool 0.debian.pool.ntp.org/g'		\
	-e 's/pool 1.debian.pool.ntp.org/\#pool 1.debian.pool.ntp.org/g'		\
	-e 's/pool 2.debian.pool.ntp.org/\#pool 2.debian.pool.ntp.org/g'		\
	-e 's/pool 3.debian.pool.ntp.org/pool time.sharktech.net iburst/g'		\
	/etc/ntp.conf

cd /etc ; git add . ; git commit -a -m 'Use SharkTech NTP (others firewalled).'

# Speed up
echo 'GOVERNOR="performance"' > /etc/default/cpufrequtils
/etc/init.d/cpufrequtils restart
cd /etc ; git add . ; git commit -a -m 'Set up cpufrequtils'

# Small user tweaks
echo :syntax on > ~/.vimrc
echo :syntax on > /home/jebba/.vimrc
chown jebba:jebba /home/jebba/.vimrc
echo export EDITOR=vi >> /root/.bashrc

# XXX Passwordless sudo XXX Ya, probably remove
sed -i -e 's/%sudo\tALL=(ALL:ALL) ALL/%sudo ALL=(ALL) NOPASSWD: ALL/g' /etc/sudoers

adduser jebba sudo
cd /etc ; git add . ; git commit -a -m 'Set up passwordless sudo'

# SSH config XXX sed cruft
sed -i  \
 -e 's/PermitRootLogin yes/PermitRootLogin prohibit-password/g' \
 -e 's/\#PermitRootLogin prohibit-password/PermitRootLogin prohibit-password/g' \
 -e 's/\#PasswordAuthentication yes/PasswordAuthentication no/g' \
 -e 's/\#X11Forwarding yes/X11Forwarding no/g' \
 /etc/ssh/sshd_config

echo 'KexAlgorithms curve25519-sha256@libssh.org,diffie-hellman-group-exchange-sha256' >> /etc/ssh/sshd_config

echo 'Ciphers chacha20-poly1305@openssh.com,aes256-gcm@openssh.com,aes128-gcm@openssh.com,aes256-ctr,aes192-ctr,aes128-ctr' >> /etc/ssh/sshd_config

# Need to update/fix for Debian Buster (testing/10). This line breaks Buster:
#echo 'MACs hmac-sha2-512-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-ripemd160-etm@openssh.com,umac-128-etm@openssh.com,hmac-sha2-512,hmac-sha2-256,hmac-ripemd160,umac-128@openssh.com' >> /etc/ssh/sshd_config

# XXX Add admins as only allowed ssh users
# XXX add user for ansbile
echo "AllowUsers jebba" >> /etc/ssh/sshd_config

cd /etc ; git add . ; git commit -a -m 'Set up sshd'
systemctl restart sshd

# Startup XXX disable unneeded.
for i in rsync exim4 saned
do echo $i 
  /usr/sbin/update-rc.d $i disable
done
# XXX KILL THIS, listening on public port (firewalled, but still):
# tcp        0      0 0.0.0.0:5355            0.0.0.0:*               LISTEN      296/systemd-resolve
cd /etc ; git add . ; git commit -a -m 'Turn off junk on boot'

# GRUB
sed -i -e 's/^GRUB_TIMEOUT=5/GRUB_TIMEOUT=4/g' /etc/default/grub
sed -i -e 's/^#GRUB_TERMINAL=console/GRUB_TERMINAL=console/g' /etc/default/grub
echo 'GRUB_DISABLE_OS_PROBER=true' >> /etc/default/grub

update-grub

cd /etc ; git add . ; git commit -a -m 'GRUB tweaks'

# Fix network to come up on boot
sed -i -e 's/allow-hotplug/auto/g' /etc/network/interfaces
cd /etc ; git add . ; git commit -a -m 'Auto start network'

# XXX not sure why this is getting installed:
apt-get -y autoremove

# Proxmox
#cat > /etc/apt/sources.list.d/pve-enterprise.list<<EOF
##deb https://enterprise.proxmox.com/debian/pve stretch pve-enterprise
#EOF
cat > /etc/apt/sources.list.d/pve-no-subscription.list<<EOF
deb http://download.proxmox.com/debian/pve stretch pve-no-subscription
EOF

# Add Proxmox enterprise key XXX Add key 
#cat > /etc/apt/auth.conf<<EOF
#machine enterprise.proxmox.com
# login pve2s-0000000000
# password 00000000000000000000000000000000
#EOF

# XXX crufty add proxmox apt key
wget http://download.proxmox.com/debian/proxmox-ve-release-5.x.gpg -O /etc/apt/trusted.gpg.d/proxmox-ve-release-5.x.gpg

apt-get update
apt-get -y dist-upgrade --download-only
DEBIAN_FRONTEND=noninteractive apt-get -y -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confnew" dist-upgrade

apt-get -y				 				\
	install								\
	ksm-control-daemon						\
	proxmox-ve

cd /etc ; git add . ; git commit -a -m 'Install Proxmox'
apt clean

exit 0

# Run this on workstation:
# ssh -N -C -L 8007:localhost:8006 shark4
# firefox https://localhost:8006
# Login as root user via PAM
# Set up Enterprise Key
# Data Center --> Permissions --> Users
# Add user with Realm Proxmox VE authentication server.
# Give user root permissions:  Datacenter --> Permissions --> Add --> User permission.
#   Path: /  User: j   Role: Administrator
# XXX Or create admin group, add perms to that...
# Permissions --> Authentication. Set Proxmox VE authentication server to default.
# 
# Enable firewall.
# Datacenter --> shark4 (host) --> Firewall --> Add.
# Open up for SSH and SSH alt port.
# Enable firewall for datacenter:
# Datacenter --> Firewall --> Options --> Firewall --> Yes
# Enable firewall for shark4:
# Open up for SSH and SSH alt port.
# REJECT everything coming in. (then DROP)
# Reorder to ACCEPT SSH at top
#
# Reboot!  shark4 (host) --> Restart
#
#
# XXX
# Datacenter --> Firewall --> Add.
# REJECT any in
#
# Storage
# Datacenter --> Storage --> Edit local. Enable all content (add VZDump)
#
# XXX postfix
#
# DNS
# shark4 (host) --> System --> DNS
# Add servers:
# 208.67.222.222 208.67.220.220 37.235.1.174
#
# Netwok
# shark4 (host) --> System --> Network
# Fix subnet mask, IP in web gui.
# Create --> Linux Bridge:
#   vmbr0
# XXX best way for this server? No subnet.
#
source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto enp1s0f1
iface enp1s0f1 inet static
	address 70.39.103.210/29
	gateway 70.39.103.209
	dns-nameservers 208.67.222.222
	dns-search forksand.com

#
# rebootz
#
# Set up templates
# Datacenter --> shark4 --> local (shark4) --> Content --> Templates
# Select Debian. maybe arch, alpine

# XXX TOTAL MEH XXX
# add this to the workstation:
# 127.0.0.1	localhost shark3-tun shark4-tun
# Then use URLs
# https://shark3-tun:8006
# https://shark4-tun:8007
# Or you can only be logged into one at a time.
# XXX find better workaround