142 lines
3.3 KiB
Bash
Executable file
142 lines
3.3 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 2 ]; then
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echo $0 suite disk
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exit 1
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fi
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suite=$1; shift
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disk=$1; shift
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keyurl=https://key.wf
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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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# For creation, if an existing filesystem is on the partitions
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sudo mkfs.ext4 -F ${partition}
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sudo 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
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echo "unconfigured-host" > ${chroot_dir}/etc/hostname
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cp ${chroot_dir}/boot/vmlinuz-* ${kernel}
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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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for key in sami dominique jinguk nico; do
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curl -s ${keyurl}/${key} >> ${chroot_dir}/root/.ssh/authorized_keys
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done
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# Fix possible permission issue from above
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chown -R root:root ${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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# server network
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auto bond0.11
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iface bond0.11 inet6 auto
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post-up /sbin/ip link set \$IFACE mtu 9000
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vlan-raw-device bond0
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EOF
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# # find the boot interfaces at boot: HP servers still have ifnames=1
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# cat > ${chroot_dir}/etc/rc.local <<EOF
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# mac=\$(cat /proc/cmdline | tr ' ' '\n' | awk -F= '/bootdev/ { print \$2 }')
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# dev=\$(ip -o link | awk -F: "/\$mac/ { print \\\$2 }" | sed 's/ *//g')
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# cat >> /etc/network/interfaces << eof
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# auto \$dev
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# iface \$dev inet6 auto
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# eof
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# ifup "\${dev}"
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# exit 0
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# EOF
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# chmod a+rx "${chroot_dir}/etc/rc.local"
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# ensure there is /init in the initramfs -> otherwise there is a kernel panic
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# reason: initramfs is designed to be PRE regular os, so /init usually hands over to /sbin/init
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# in our case, they are just the same
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ln -fs /sbin/init ${chroot_dir}/init
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# Finally building the initramfs
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( cd ${chroot_dir} ; find . | cpio -H newc -o | gzip -9 > ${initramfs} )
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# Fix paranoid permissions
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chmod a+rx ${abs_outdir}
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chmod a+r ${kernel} ${initramfs}
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exit 0
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