dont show password rescue password on cmdline and add ability to add authorized_keys file, also let systemd-networkd match on all ethernet devices

.drone.yml

@@ -13,21 +13,21 @@ steps:
   environment:
     HCLOUD_TOKEN:
       from_secret: hcloud_token
-    SSH_PUBKEY:
-      from_secret: ssh_pubkey
+    AUTHORIZED_KEYS_B64:
+      from_secret: authorized_keys_b64
   commands:
   - apk add -U openssh
   - wget -O- https://github.com/hetznercloud/cli/releases/latest/download/hcloud-linux-amd64.tar.gz | tar zx
   - ssh-keygen -t ed25519 -f /root/.ssh/id_ed25519 -q -N ''
   - ./hcloud ssh-key delete drone || true
   - ./hcloud ssh-key create --name drone --public-key-from-file /root/.ssh/id_ed25519.pub
-  - ./hcloud server enable-rescue $SERVER_ID --ssh-key drone
+  - ./hcloud server enable-rescue $SERVER_ID --ssh-key drone > /dev/null
   - ./hcloud server reset $SERVER_ID
   - IP="$(./hcloud server ip "$SERVER_ID")"
   - until ping -c 1 "$IP"; do sleep 5; done
   - until ssh-keyscan "$IP" > /root/.ssh/known_hosts; do sleep 5; done
   - scp install-arch.sh root@"$IP":/root/install-arch.sh
-  - echo "$SSH_PUBKEY" > authorized_keys
+  - echo "$AUTHORIZED_KEYS_B64" | base64 -d > authorized_keys
   - scp authorized_keys root@"$IP":/root/authorized_keys
   - ssh root@$IP chmod +x /root/install-arch.sh
   - ssh root@$IP /root/install-arch.sh

install-arch.sh

@@ -2,13 +2,9 @@
 set -e
 set -x
 
-bchroot() {
-   ./root.x86_64/usr/bin/arch-chroot root.x86_64 $@
-}
+bchroot() { ./root.x86_64/usr/bin/arch-chroot root.x86_64 $@; }
 
-rchroot() {
-   ./root.x86_64/usr/bin/arch-chroot root.x86_64/mnt $@
-}
+rchroot() { ./root.x86_64/usr/bin/arch-chroot root.x86_64/mnt $@; }
 
 curl -o archlinux-bootstrap.tgz "https://ftp.fau.de/archlinux/iso/latest/archlinux-bootstrap-$(date '+%Y.%m.01')-x86_64.tar.gz"
 tar xzf archlinux-bootstrap.tgz
@@ -29,8 +25,7 @@ rchroot mkinitcpio -p linux
 rchroot grub-install /dev/sda
 rchroot grub-mkconfig -o /boot/grub/grub.cfg
 
-IF_NAME="$(udevadm info -q all -p /sys/class/net/eth0 | grep ID_NET_NAME_SLOT | cut -d'=' -f2)"
-echo -e "[Match]\nName=${IF_NAME}\n\n[Network]\nDHCP=yes\n" > "root.x86_64/mnt/etc/systemd/network/${IF_NAME}.network"
+echo -e "[Match]\nType=ether\n\n[Network]\nDHCP=yes\n" > "root.x86_64/mnt/etc/systemd/network/ether.network"
 rchroot systemctl enable systemd-networkd
 rchroot systemctl enable systemd-resolved