#!/usr/bin/env bash
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=1&state_text=STARTING"
sleep 20

disks=$(fdisk -l | grep "Disk /dev/sd" | awk '{ print $2" "$5 }' | sed -e s/://g)
service networking stop
cat > /etc/network/interfaces << EOL
#/etc/network/interfaces
# The loopback network interface auto lo iface lo inet loopback
# The primary network interface
auto eth0
allow-hotplug eth0
iface eth0 inet static
    address 172.16.4.20
    netmask 255.255.255.0
    gateway 172.16.4.1
EOL

echo 'nameserver 212.224.71.71' > /etc/resolv.conf
service networking start
apt-get install ubuntu-archive-keyring debian-archive-keyring -y
apt-get update
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=2&state_text=NETWORK_SETUP"
gdisk /dev/sda << EOF 
o
Y
w
Y
EOF
gdisk /dev/sda << EOF 
n
1

+64M
EF02
n
2

+512M
8200
n
3


8300
w
Y
EOF

fdisk -l
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=3&state_text=DISK_PARTITIONING"

mkswap /dev/sda2
mkfs.ext2 /dev/sda1 << EOF 
y
EOF
mkfs.ext4 /dev/sda3 << EOF 
y
EOF
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=5&state_text=DISK_FORMATTING"
mount /dev/sda3 /mnt
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=6&state_text=DISK_MOUNTED"
debootstrap stretch /mnt http://ftp.de.debian.org/debian/
#wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=34&state_text=BASE_SYSTEM_INSTALLED"

mount --bind /dev /mnt/dev
mount -o bind /dev/pts /mnt/dev/pts
mount -t sysfs /sys /mnt/sys
mount -t proc /proc /mnt/proc
setup_server () {
    apt-get update
    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
    apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
    apt-get update DEBIAN_FRONTEND=noninteractive \
    apt-get upgrade -y
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=35&state_text=BASE_SYSTEM_INSTALLED"
    DEBIAN_FRONTEND=noninteractive \
    apt-get install linux-image-amd64 -y
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=36&state_text=BASE_SYSTEM_INSTALLED"
    apt-get update
    DEBIAN_FRONTEND=noninteractive \
    apt-get upgrade -y
    DEBIAN_FRONTEND=noninteractive \
    apt-get dist-upgrade -y
    DEBIAN_FRONTEND=noninteractive \
    apt-get install grub-pc openssh-server wget ca-certificates acpi acpi-support-base aspell aspell-de aspell-de-alt console-setup console-setup-linux discover discover-data eject ingerman installation-report laptop-detect libio-socket-ip-perl libusb-1.0-0:amd64 task-german task-ssh-server usbutils mdadm iputils-ping sudo git nano dialog parted -y
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=55&state_text=UTILS_INSTALLED" wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=56&state_text=UTILS_INSTALLED"
    echo 'debconf debconf/frontend select Dialog' | debconf-set-selections
    apt-get install locales -y
    export LANGUAGE=de_DE.UTF-8
    export LANG=de_DE.UTF-8
    export LC_ALL=de_DE.UTF-8
    locale-gen "de_DE.UTF-8"
    localedef -i de_DE -f UTF-8 de_DE.UTF-8
    update-locale LANG=de_DE.UTF-8
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=59&state_text=SYSTEM_UPDATE"
    update-initramfs -u
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=68&state_text=INITRAMFS"
    apt-get install htop iftop nload -y
    apt-get install qemu-guest-agent -y
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=95&state_text=STANDARD_PACKAGES"
    update-grub
    grub-install /dev/sda
    mdadm --detail --scan >>/etc/mdadm/mdadm.conf mdadm --assemble --scan
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=97&state_text=GRUB_INSTALL"
    cp /usr/share/zoneinfo/Europe/Berlin /etc/localtime
    passwd << EOF 
test123
test123
EOF
    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=RUNNING&state_percent=98&state_text=PASSWORD"
    echo 'schmolke' > /etc/hostname
    echo "45.93.248.160 schmolke schmolke" >> /etc/hosts
    hostname schmolke
    echo 'schmolke' > /etc/mailname
    echo "proc /proc proc defaults 0 0" > /etc/fstab
    echo "/dev/sda3 / ext4 defaults,noatime,errors=remount-ro 0 1" >> /etc/fstab
    echo "/dev/sda2 none swap defaults 0 0" >> /etc/fstab
    cat > /etc/network/interfaces << EOL
        auto lo
        iface lo inet loopback

        auto eth0
        allow-hotplug eth0
        iface eth0 inet static
            address 45.93.248.160
            netmask 255.255.255.0
            gateway 45.93.248.1
            dns-nameservers 212.224.71.71 79.133.62.62
EOL

    cat > /etc/systemd/resolved.conf << EOL
        # This file is part of systemd.
        #
        # systemd is free software; you can redistribute it and/or modify it
        # under the terms of the GNU Lesser General Public License as published by
        # the Free Software Foundation; either version 2.1 of the License, or
        # (at your option) any later version.
        #
        # Entries in this file show the compile time defaults.
        # You can change settings by editing this file.
        # Defaults can be restored by simply deleting this file.
        #
        # See resolved.conf(5) for details [Resolve] DNS=8.8.8.8
        #FallbackDNS=
        #Domains=
        #LLMNR=no
        #MulticastDNS=no #DNSSEC=no #Cache=yes
        #DNSStubListener=yes
EOL
    service systemd-resolved restart
    echo 'nameserver 8.8.8.8' > /etc/resolv.conf
    apt-get install anacron -y

    cat > /etc/cron.weekly/fstrim << EOL
    #!/bin/sh ionice -c 3
        fstrim -av
EOL

    chmod +x /etc/cron.weekly/fstrim
    sed -ie "s/PermitRootLogin without-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
    sed -ie "s/#PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
    sed -ie "s/PermitRootLogin prohibit-password/PermitRootLogin yes/g" /etc/ssh/sshd_config
    sed -ie "s/#Port 22/Port 22/g" /etc/ssh/sshd_config
    sed -ie "s/#ListenAddress 0.0.0.0/ListenAddress 0.0.0.0/g" /etc/ssh/sshd_config
    sed -ie "s/GRUB_CMDLINE_LINUX=\"\"/GRUB_CMDLINE_LINUX=\"net.ifnames=0 biosdevname=0\"/g" /etc/default/grub
    update-grub
    update-initramfs -u
    apt clean

    #wget -q https://connect.nicapi.eu/api/v1/datacenter/server-actions/status?mac_address=`cat /sys/class/net/eth0/address` --post-data "state=DONE&state_percent=100&state_text=FINISH"
    rm update*
}

export -f setup_server
echo 200000 > /proc/sys/dev/raid/speed_limit_max
chroot /mnt /bin/bash -c "setup_server"
echo '' > /mnt/root/.bash_history
rm update*
rm /mnt/status\?*
update-initramfs -u
read -p "Press [Enter] key to reboot..."
reboot