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auto: bootstrapping sparky

This commit is contained in:
Sam 2024-05-26 13:55:47 +01:00
parent dbcadf5315
commit 29ef289456
2 changed files with 14 additions and 15 deletions
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8
flake.lock
View File

@ -228,11 +228,11 @@
"nix-secrets": {
"flake": false,
"locked": {
"lastModified": 1716727965,
"narHash": "sha256-NTsv/rWrB2coS62aKKD9GDR2mhzL1MMU+5VYDhh1y6w=",
"lastModified": 1716728141,
"narHash": "sha256-p9o7xF5Q1II/ngoYw0R+LMTXX3Mehy16e+cs6f1AZgI=",
"ref": "refs/heads/master",
"rev": "4973f9b8652f9a829510593f8b17448783054b5e",
"revCount": 41,
"rev": "5a984789ff07c749772ece6fcb80373bc218048e",
"revCount": 42,
"type": "git",
"url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
},

21
scripts/bootstrap.sh
View File

@ -24,34 +24,33 @@ echo "Copying pubkey to target host"
ssh-copy-id -i "$(readlink -f "$HOME/.ssh/id_ed25519.pub")" "root@$ip"
# Create temp directory for ssh and luks to be copied to host:
temp_ssh=$(mktemp -d)
temp_luks=$(mktemp -d)
temp=$(mktemp -d)
# Function to cleanup temporary directory on exit
cleanup() {
rm -rf "$temp_ssh" "$temp_luks"
rm -rf "$temp"
}
trap cleanup EXIT
# Create the directory where services are to find the host keys
install -d -m755 "$temp_ssh/persist/etc/ssh"
install -d -m755 "$temp_luks/tmp"
install -d -m755 "$temp/persist/etc/ssh"
install -d -m755 "$temp/tmp"
# Extract luks key from secrets
luks_key=$(nix-shell -p sops --run "SOPS_AGE_KEY_FILE=~/.config/sops/age/keys.txt sops -d --extract '[""\"passwords""\"][""\"root""\"]' ../nix-secrets/secrets.yaml")
echo "$luks_key" > "$temp_luks/luks_secrets.key"
echo "$luks_key" > "$temp/tmp/luks_secrets.key"
# Create ssh keys if not exists
echo "Creating '$hostname' ssh keys"
ssh-keygen -t ed25519 -f "$temp_ssh/persist/etc/ssh/ssh_host_ed25519_key" -C root@"$hostname" -N ""
ssh-keygen -t ed25519 -f "$temp/persist/etc/ssh/ssh_host_ed25519_key" -C root@"$hostname" -N ""
# Change permissions
chmod 600 "$temp_ssh/persist/etc/ssh/ssh_host_ed25519_key"
chmod 644 "$temp_ssh/persist/etc/ssh/ssh_host_ed25519_key.pub"
chmod 600 "$temp/persist/etc/ssh/ssh_host_ed25519_key"
chmod 644 "$temp/persist/etc/ssh/ssh_host_ed25519_key.pub"
# Generate age key from target host and user public ssh key
echo "Generating age key from target host and user ssh key"
HOST_AGE_KEY=$(nix-shell -p ssh-to-age --run "cat $temp_ssh/persist/etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age")
HOST_AGE_KEY=$(nix-shell -p ssh-to-age --run "cat $temp/persist/etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age")
echo -e "Host age key:\n$HOST_AGE_KEY\n"
# Update .sops.yaml with new age key:
@ -72,7 +71,7 @@ just update-sops-secrets && just update-flake-secrets && just update-flake
cd "$HOME/nixos"
git add . && git commit -m "auto: bootstrapping $hostname" && git push
SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --extra-files "$temp_ssh" "$temp_luks" --flake .#"$config" root@"$ip" -i "$HOME/.ssh/id_ed25519"
SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --extra-files "$temp" --flake .#"$config" root@"$ip" -i "$HOME/.ssh/id_ed25519"
[ $? != 0 ] && echo "Error installing Nixos" && exit 1
## Delete keys from local known_hosts