Begin script for disk installation of debian/devuan

debian-devuan-install-on-disk.sh

@@ -0,0 +1,144 @@
+#!/bin/sh
+# Nico Schottelius, 2019-12-09
+
+set -e
+set -x
+
+if [ $# -ne 2 ]; then
+    echo $0 suite disk
+    exit 1
+fi
+
+suite=$1; shift
+disk=$1; shift
+
+keyurl=https://key.wf
+
+
+case $disk in
+    /dev/sd*)
+        partition=${disk}1
+        ;;
+    /dev/mmcblk*|/dev/nvme*)
+        partition=${disk}p1
+        ;;
+    *)
+        echo "Unsupported disk - edit this script" >&2
+        exit 1
+        ;;
+esac
+
+chroot_dir=$(mktemp -d)
+date=$(date +%F)
+
+basename=${suite}-${date}
+
+################################################################################
+# Disk preparation
+
+# Clean the first 2M - getting rid of old things
+# in the gap and also the paritition table
+dd if=/dev/zero of=${disk} bs=1M count=2
+
+# Partition disk with 1 Linux partition
+sudo sfdisk "$DISK" <<EOF
+label: dos
+,,L
+EOF
+
+# For creation, if an existing filesystem is on the partitions
+sudo mkfs.ext4 -F ${partition}
+
+sudo mount ${partition} ${chroot_dir}
+
+# Devuan: debootstrap beowulf /tmp/tmp.teGuJxytz0 http://packages.devuan.org/devuan
+debootstrap "${suite}" "${chroot_dir}"
+
+# need non-free for firmware-bnx2
+echo "deb http://pkgmaster.devuan.org/merged ${suite} main contrib non-free" > ${chroot_dir}/etc/apt/sources.list
+
+chroot ${chroot_dir} apt update
+chroot ${chroot_dir} apt install  -y openssh-server rdnssd linux-image-amd64 firmware-bnx2 ifenslave vlan
+
+echo "unconfigured-host" > ${chroot_dir}/etc/hostname
+
+cp ${chroot_dir}/boot/vmlinuz-* ${kernel}
+
+echo '* * * * * root ip -o -6 addr show | grep -E -v " lo |one" > /etc/issue' > ${chroot_dir}/etc/cron.d/ipv6addr
+
+mkdir -p ${chroot_dir}/root/.ssh
+
+for key in sami dominique jinguk nico; do
+    curl -s ${keyurl}/${key} >> ${chroot_dir}/root/.ssh/authorized_keys
+done
+
+# Fix possible permission issue from above
+chown -R root:root ${chroot_dir}/root/
+
+################################################################################
+# networking
+
+# echo bonding
+
+cat > ${chroot_dir}/etc/network/interfaces << EOF
+auto lo
+iface lo inet loopback
+
+# I would like to have a generic block like this below
+# But as long as interface
+auto bond0
+iface bond0 inet manual
+  bond-miimon 500
+  bond-mode 4
+  post-up /sbin/ip link set \$IFACE mtu 9000
+  bond-slaves none
+
+auto eth0
+iface eth0 inet manual
+  bond-master bond0
+  post-up /sbin/ip link set \$IFACE mtu 9000
+
+auto eth1
+iface eth1 inet manual
+  bond-master bond0
+  post-up /sbin/ip link set \$IFACE mtu 9000
+
+# server network
+auto bond0.11
+iface bond0.11 inet6 auto
+  post-up /sbin/ip link set \$IFACE mtu 9000
+  vlan-raw-device bond0
+
+EOF
+
+# # find the boot interfaces at boot: HP servers still have ifnames=1
+# cat > ${chroot_dir}/etc/rc.local <<EOF
+# mac=\$(cat /proc/cmdline | tr ' ' '\n' | awk -F= '/bootdev/ { print \$2 }')
+# dev=\$(ip -o link | awk -F: "/\$mac/ { print \\\$2 }" | sed 's/ *//g')
+
+# cat >> /etc/network/interfaces << eof
+# auto \$dev
+# iface \$dev inet6 auto
+# eof
+
+# ifup "\${dev}"
+
+# exit 0
+# EOF
+
+# chmod a+rx "${chroot_dir}/etc/rc.local"
+
+# ensure there is /init in the initramfs -> otherwise there is a kernel panic
+# reason: initramfs is designed to be PRE regular os, so /init usually hands over to /sbin/init
+# in our case, they are just the same
+ln -fs /sbin/init ${chroot_dir}/init
+
+# Finally building the initramfs
+( cd ${chroot_dir} ; find . | cpio -H newc -o | gzip -9 > ${initramfs} )
+
+# Fix paranoid permissions
+chmod a+rx ${abs_outdir}
+chmod a+r ${kernel} ${initramfs}
+
+
+exit 0