#!/bin/bash # # System installer. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as # published by the Free Software Foundation, either version 3 of the # License, or (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public # License along with this program. If not, see # . # Load. source $APP_BASE/lib/hydra/functions || exit 1 hydra_config_load # Setup. hydra_user_input device /dev/sdb "Destination device" hydra_user_input root_size 20G "Size of root partition" hydra_user_input swap y "Use swap? (y/n)" hydra_user_input encrypt y "Encrypt system and storage volumes? (y/n)" hydra_user_input garbage y "Pre-fill volumes with garbage? (y/n)" hydra_user_input hostname $HOSTNAME "Hostname" hydra_user_input domain example.com "Domain" hydra_user_input arch amd64 "System arch" hydra_user_input version squeeze "Distro version" hydra_user_input vg vg "Temporary install vg" hydra_user_input grub n "Setup GRUB? (y/n)" hydra_user_input mirror http://cdn.debian.net/debian/ "Debian mirror" # Check for requirements. for req in debootstrap cryptsetup grub-pc lvm2 parted; do hydra_install_package $req done # Warning. cat <<-EOF WARNING: about to partition $device! Press ENTER to continue, Ctrl-C to abort." EOF read answer # Disk partitioning. if [ "$swap" == "y" ]; then parted -s -- $device unit MB mkpart primary linux-swap 0 2000 parted -s -- $device unit MB mkpart primary ext2 2000 2200 parted -s -- $device unit MB mkpart primary ext2 2200 -1 parted -s -- $device set 2 boot on parted -s -- $device set 3 lvm on # Change devices to absolute path names. swap_device="$device"1 boot_device="$device"2 syst_device="$device"3 else parted -s -- $device unit MB mkpart primary ext2 0 200 parted -s -- $device unit MB mkpart primary ext2 200 -1 parted -s -- $device set 1 boot on parted -s -- $device set 2 lvm on # Change devices to absolute path names. boot_device="$device"1 syst_device="$device"2 fi # Create volumes. echo "Creating the needed disk volumes..." if ! pvdisplay $syst_device &> /dev/null; then echo "Creating physical volume..." pvcreate $syst_device fi if ! vgdisplay $vg &> /dev/null; then echo "Creating volume group..." vgcreate $vg $syst_device fi if ! lvdisplay $vg/root &> /dev/null; then echo "Creating logical volume..." lvcreate -L$root_size -n root $vg fi vgchange -a y $vg # Garbage. if [ "$garbage" == "y" ]; then echo "Filling volumes with garbage..." dd if=/dev/urandom of=/dev/$vg/root if [ "$swap" == "y" ]; then dd if=/dev/urandom of=$swap_device fi fi # Setup mountpoint and make sure it's not mounted due to a failed install. mkdir -p /tmp/debootstrap umount /tmp/debootstrap/proc &> /dev/null umount /tmp/debootstrap/dev &> /dev/null # Create root device. if [ "$encrypt" == "y" ]; then echo "Creating encrypted root device..." cryptsetup -h sha256 -c aes-cbc-essiv:sha256 -s 256 luksFormat /dev/$vg/root cryptsetup luksOpen /dev/$vg/root debootstrap mkfs.ext3 /dev/mapper/debootstrap install_device="/dev/mapper/debootstrap" else echo "Creating root device..." mkfs.ext3 /dev/vg/root install_device="/dev/vg/root" fi # Initial system install. echo "Installing base system..." mount $install_device /tmp/debootstrap/ debootstrap --arch=$arch $version /tmp/debootstrap/ $mirror # Initial configuration. echo "Applying initial configuration..." mount none -t proc /tmp/debootstrap/proc/ mount -o bind /dev/ /tmp/debootstrap/dev echo LANG=C > /tmp/debootstrap/etc/default/locale # Resolver configuration. echo "domain $domain" > /tmp/debootstrap/etc/resolv.conf echo "search $hostname.$domain" >> /tmp/debootstrap/etc/resolv.conf grep nameserver /etc/resolv.conf >> /tmp/debootstrap/etc/resolv.conf # Hostname configuration. echo $hostname.$domain > /tmp/debootstrap/etc/hostname echo "127.0.0.1 $hostname $hostname.$domain" >> /tmp/debootstrap/etc/hosts echo "127.0.0.1 localhost" >> /tmp/debootstrap/etc/hosts # Invert hostname contents to avoid http://projects.puppetlabs.com/issues/2533 tac /tmp/debootstrap/etc/hosts > /tmp/debootstrap/etc/hosts.new mv /tmp/debootstrap/etc/hosts.new /tmp/debootstrap/etc/hosts # Initial upgrade. echo "Applying initial upgrades..." chroot /tmp/debootstrap/ apt-get update chroot /tmp/debootstrap/ apt-get upgrade -y chroot /tmp/debootstrap/ apt-get install locales cryptsetup lvm2 initramfs-tools -y # Crypttab. echo "Configuring crypttab..." echo "" > /tmp/debootstrap/etc/crypttab if [ "$encrypt" == "y" ]; then cat > /tmp/debootstrap/etc/crypttab <<-EOF # root /dev/mapper/vg-root none luks,cipher=aes-cbc-essiv:sha256 EOF fi if [ "$swap" == "y" ]; then cat >> /tmp/debootstrap/etc/crypttab <<-EOF # cswap $swap_device /dev/random swap,cipher=aes-cbc-essiv:sha256 EOF fi # Fstab. echo "Configuring fstab..." echo "" > /tmp/debootstrap/etc/fstab if [ "$encrypt" == "y" ]; then cat > /tmp/debootstrap/etc/fstab <<-EOF /dev/mapper/root / ext3 defaults,errors=remount-ro 0 1 EOF fi if [ "$swap" == "y" ]; then cat >> /tmp/debootstrap/etc/fstab <<-EOF /dev/mapper/cswap none swap sw 0 0 EOF fi # Grub. if [ "$grub" == "y" ]; then echo "Boot device setup..." mkfs.ext3 $boot_device mount $boot_device /tmp/debootstrap/boot echo "$boot_device /boot ext3 defaults,errors=remount-ro 0 2" >> /tmp/debootstrap/etc/fstab echo "Setting up GRUB..." chroot /tmp/debootstrap/ apt-get install grub-pc -y grub-install --no-floppy "$device" mkdir -p /tmp/debootstrap/boot/grub/ cat /tmp/debootstrap/boot/grub/menu.lst <<-EOF title $hostname (hd0) root (hd0,1) kernel /vmlinuz-2.6.26-2-vserver-amd64 root=/dev/mapper/root ro quiet rootdelay=10 initrd /initrd.img-2.6.26-2-vserver-amd64 title $hostname (hd0) (single) root (hd0,1) kernel /vmlinuz-2.6.26-2-vserver-amd64 root=/dev/mapper/root ro single rootdelay=10 initrd /initrd.img-2.6.26-2-vserver-amd64 EOF fi # Kernel. echo "Installing kernel..." cat > /tmp/debootstrap/etc/initramfs-tools/modules <<-EOF dm-mod dm-crypt aes twofish sha256 EOF cat > /tmp/debootstrap/etc/kernel-img.conf <<-EOF do_initrd = Yes EOF if [ "$arch" == "i386" ]; then kernel_arch="686" else kernel_arch="$arch" fi chroot /tmp/debootstrap apt-get install linux-image-2.6-vserver-$kernel_arch -y # Initramfs. echo "Creating initramfs..." chroot /tmp/debootstrap update-initramfs -v -u # Utils. echo "Installing basic utilities..." chroot /tmp/debootstrap apt-get install screen cron lsb-release openssl -y # Ssh. echo "Installing OpenSSH daemon..." chroot /tmp/debootstrap apt-get install openssh-server -y echo "OpenSSH fingerprints:" chroot /tmp/debootstrap ssh-keygen -l -f /etc/ssh/ssh_host_dsa_key.pub chroot /tmp/debootstrap ssh-keygen -l -f /etc/ssh/ssh_host_rsa_key.pub # Accounts. echo "Installing sudo..." chroot /tmp/debootstrap apt-get install sudo -y echo "Choose a root password." chroot /tmp/debootstrap passwd root cat <<-EOF Now proceeed with final steps: - Create an user account with sudo privileges. - Network setup. See http://padrao.sarava.org/install for more information. EOF