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auto: bootstrapping sparky

This commit is contained in:
Sam 2024-05-26 14:07:26 +01:00
parent 280d7a6213
commit 95a5f258f9
2 changed files with 13 additions and 12 deletions
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8
flake.lock
View File

@ -228,11 +228,11 @@
"nix-secrets": { "nix-secrets": {
"flake": false, "flake": false,
"locked": { "locked": {
"lastModified": 1716728224, "lastModified": 1716728838,
"narHash": "sha256-dgsNHeMkH4z++dpZvNXEDySvJdalXmz4Xz7JNyWxH1w=", "narHash": "sha256-Gmsb1Bovwg+6XTwuyohpv1Ez8em0phLDEPWyh1Z4vS4=",
"ref": "refs/heads/master", "ref": "refs/heads/master",
"rev": "d0273ccbae8ca91ff7684a7b65f328eb28a3cb79", "rev": "46bedb594c7f12f800a3d224e549dede64da968b",
"revCount": 43, "revCount": 44,
"type": "git", "type": "git",
"url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git" "url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
}, },

17
scripts/bootstrap.sh
View File

@ -23,7 +23,7 @@ sed -i "/$ip/d" ~/.ssh/known_hosts
echo "Copying pubkey to target host" echo "Copying pubkey to target host"
ssh-copy-id -i "$(readlink -f "$HOME/.ssh/id_ed25519.pub")" "root@$ip" ssh-copy-id -i "$(readlink -f "$HOME/.ssh/id_ed25519.pub")" "root@$ip"
# Create temp directory for ssh and luks to be copied to host: # Create temp directory for ssh keys to be copied to host:
temp=$(mktemp -d) temp=$(mktemp -d)
# Function to cleanup temporary directory on exit # Function to cleanup temporary directory on exit
@ -32,19 +32,13 @@ cleanup() {
} }
trap cleanup EXIT trap cleanup EXIT
# Create the directory where services are to find the host keys # Create the directory where sshd expects to find the host keys
install -d -m755 "$temp/persist/etc/ssh" 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" > "$temp/tmp/luks_secrets.key"
# Create ssh keys if not exists # Create ssh keys if not exists
echo "Creating '$hostname' ssh keys" echo "Creating '$hostname' ssh keys"
ssh-keygen -t ed25519 -f "$temp/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/persist/etc/ssh/ssh_host_ed25519_key" chmod 600 "$temp/persist/etc/ssh/ssh_host_ed25519_key"
chmod 644 "$temp/persist/etc/ssh/ssh_host_ed25519_key.pub" chmod 644 "$temp/persist/etc/ssh/ssh_host_ed25519_key.pub"
@ -67,6 +61,10 @@ sed -i "{
just update-sops-secrets && just update-flake-secrets && just update-flake just update-sops-secrets && just update-flake-secrets && just update-flake
# Extract luks key from secrets
luks_key=$(nix-shell -p sops --run "SOPS_AGE_KEY_FILE=~/.config/sops/age/keys.txt sops -d --extract '[""\"passwords""\"][""\"root""\"]' ../nix-secrets/secrets.yaml")
echo "$luks_key" > /tmp/luks_secret.key
# Install Nixos to target # Install Nixos to target
cd "$HOME/nixos" cd "$HOME/nixos"
git add . && git commit -m "auto: bootstrapping $hostname" && git push git add . && git commit -m "auto: bootstrapping $hostname" && git push
@ -74,6 +72,9 @@ git add . && git commit -m "auto: bootstrapping $hostname" && git push
SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --extra-files "$temp" --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 [ $? != 0 ] && echo "Error installing Nixos" && exit 1
# Delete luks key
rm /tmp/luks_secret.key
## Delete keys from local known_hosts ## Delete keys from local known_hosts
echo "Deleting host from known_hosts" echo "Deleting host from known_hosts"
sed -i "/$ip/d" ~/.ssh/known_hosts sed -i "/$ip/d" ~/.ssh/known_hosts