1 files changed, 46 insertions, 0 deletions
diff --git a/roles/cloud/install/templates/hetzner_postinst.sh.j2 b/roles/cloud/install/templates/hetzner_postinst.sh.j2
new file mode 100644
index 00000000..271e51b7
--- /dev/null
+++ b/roles/cloud/install/templates/hetzner_postinst.sh.j2
@@ -0,0 +1,46 @@
+#!/bin/bash
+set -euf -o pipefail
+
+export DEBIAN_FRONTEND=noninteractive
+apt-get update -q
+apt-get full-upgrade -y -q
+apt-get install -y -q --no-install-recommends openssh-server python python-apt
+
+passwd -d root && passwd -l root
+{% if install_distro == "debian" %}
+sed -e 's/^allow-hotplug/auto/' -i /etc/network/interfaces
+{% endif %}
+sed -r 's#(\s+/var/log\s+ext4\s+)defaults#\1noatime,nodev,noexec#g' -i /etc/fstab
+
+mkdir -p -m 0700 /target/root/.ssh
+cat <<EOK > /root/.ssh/authorized_keys
+{{ ssh_keys_root | join('\n') }}
+EOK
+{% if hostvars[hostname].ansible_port is defined %}
+sed -e 's/^\(\s*#*\s*Port.*\)/Port {{ hostvars[hostname].ansible_port }}/' -i /etc/ssh/sshd_config
+{% endif %}
+
+{# this is actually only needed on ubuntu bionic and beyond but should not hurt on other installations either #}
+swapoff -a
+sed -e '/^\/swapfile/d' -i /etc/fstab
+rm -f /swapfile
+
+{% if install_cooked.disks.root_lvm_size != "all" %}
+umount /dummy
+sed -e '/\/dummy/d' -i /etc/fstab
+rm -rf /dummy
+
+raid_devices=$(mdadm -Q -Y --detail /dev/md2 2> /dev/null | awk -F = '/MD_DEVICE_.*_DEV=/ { print($2) }')
+if [ -n "$raid_devices" ]; then
+  mdadm --stop /dev/md2 2> /dev/null
+  for dev in $raid_devices; do
+    wipefs -a "$dev"
+  done
+  sed -e '/^ARRAY \/dev\/md\/2 /d' -i /etc/mdadm/mdadm.conf
+  update-initramfs -u
+fi
+{% endif %}
+
+update-grub
+
+echo "postinst.sh finished successfully"