Files
infrastructure/scripts/remote-install-encrypt.sh
2025-01-20 21:30:48 +01:00

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set -o errexit
set -o pipefail
if [ $# -lt 2 ]; then
echo
echo "Install NixOS to the host system with secrets and encryption"
echo "Usage: $0 <hostname> <ip> (user)"
exit 1
fi
if [ ! -e flake.nix ]
then
echo "flake.nix not found. Searching down."
while [ ! -e flake.nix ]
do
if [ $PWD = "/" ]
then
echo "Found root. Aborting."
exit 1
else
cd ..
fi
done
fi
hostname=$1
ipaddress=$2
# Create a temporary directory
temp=$(mktemp -d)
# Function to cleanup temporary directory on exit
cleanup() {
rm -rf "$temp"
}
trap cleanup EXIT
# Create the directory where sshd expects to find the host keys
install -d -m755 "$temp/etc/ssh/"
diskKey=$(sops -d machines/$hostname/disk.key)
echo "$diskKey" > /tmp/secret.key
ssh-keygen -f $temp/etc/ssh/"$hostname" -t ed25519 -N ""
ssh-keygen -f $temp/etc/ssh/initrd -t ed25519 -N ""
# # Set the correct permissions so sshd will accept the key
chmod 600 "$temp/etc/ssh/$hostname"
chmod 600 "$temp/etc/ssh/initrd"
# Install NixOS to the host system with our secrets and encription
# optional --build-on-remote
if [ $# = 3 ]
then
nix run github:numtide/nixos-anywhere -- --extra-files "$temp" \
--disk-encryption-keys /tmp/secret.key /tmp/secret.key --flake .#$hostname $3@$ipaddress
else
nix run github:numtide/nixos-anywhere -- --extra-files "$temp" \
--disk-encryption-keys /tmp/secret.key /tmp/secret.key --flake .#$hostname root@$ipaddress
fi