122 lines
2.7 KiB
Bash
Executable File
122 lines
2.7 KiB
Bash
Executable File
#!/bin/sh
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# Nico Schottelius, 2019-12-09
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set -e
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set -x
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if [ $# -ne 3 ]; then
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echo $0 suite keyfile disk
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echo suite: beowulf or similar
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echo keyfile: file containing the ssh keys
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echo disk: the block device
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exit 1
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fi
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suite=$1; shift
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keyfile=$1; shift
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disk=$1; shift
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case $disk in
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/dev/sd*)
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partition=${disk}1
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;;
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/dev/mmcblk*|/dev/nvme*|/dev/loop*)
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partition=${disk}p1
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;;
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*)
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echo "Unsupported disk - edit this script" >&2
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exit 1
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;;
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esac
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chroot_dir=$(mktemp -d)
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date=$(date +%F)
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################################################################################
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# Disk preparation
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# Clean the first 2M - getting rid of old things
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# in the gap and also the paritition table
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dd if=/dev/zero of=${disk} bs=1M count=2
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# Partition disk with 1 Linux partition
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sudo sfdisk "$disk" <<EOF
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label: dos
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,,L
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EOF
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partprobe "${disk}"
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sleep 3
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# For creation, if an existing filesystem is on the partitions
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mkfs.ext4 -F ${partition}
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mount ${partition} ${chroot_dir}
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# Devuan: debootstrap beowulf /tmp/tmp.teGuJxytz0 http://packages.devuan.org/devuan
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debootstrap "${suite}" "${chroot_dir}"
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# need non-free for firmware-bnx2
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echo "deb http://pkgmaster.devuan.org/merged ${suite} main contrib non-free" > ${chroot_dir}/etc/apt/sources.list
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chroot ${chroot_dir} apt update
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chroot ${chroot_dir} apt install -y openssh-server rdnssd linux-image-amd64 firmware-bnx2 ifenslave vlan grub-pc
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echo "unconfigured-host" > ${chroot_dir}/etc/hostname
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echo '* * * * * root ip -o -6 addr show | grep -E -v " lo |one" > /etc/issue' > ${chroot_dir}/etc/cron.d/ipv6addr
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mkdir -p ${chroot_dir}/root/.ssh
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cat ${keyfile} > ${chroot_dir}/root/.ssh/authorized_keys
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# Fix possible permission issue from above
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chmod -R og-rwx ${chroot_dir}/root/
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################################################################################
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# networking
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# echo bonding
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cat > ${chroot_dir}/etc/network/interfaces << EOF
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auto lo
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iface lo inet loopback
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# I would like to have a generic block like this below
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# But as long as interface
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auto bond0
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iface bond0 inet manual
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bond-miimon 500
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bond-mode 4
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post-up /sbin/ip link set \$IFACE mtu 9000
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bond-slaves none
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auto eth0
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iface eth0 inet manual
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bond-master bond0
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post-up /sbin/ip link set \$IFACE mtu 9000
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auto eth1
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iface eth1 inet manual
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bond-master bond0
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post-up /sbin/ip link set \$IFACE mtu 9000
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EOF
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for dir in dev sys proc; do
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mount --bind /${dir} ${chroot_dir}/${dir}
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done
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chroot ${chroot_dir} grub-install ${disk}
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# Ensure boot loader has a configuration
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chroot ${chroot_dir} grub-mkconfig -o /boot/grub/grub.cfg
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for dir in dev sys proc; do
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umount ${chroot_dir}/${dir}
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done
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umount ${chroot_dir}
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sync
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rmdir ${chroot_dir}
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