auto: bootstrapping bootstrap

flake.lock

@@ -27,11 +27,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1716448020,
-        "narHash": "sha256-u1ddoBOILtLVX4NYzqSZ9Qaqusql1M4reLd1fs554hY=",
+        "lastModified": 1716457508,
+        "narHash": "sha256-ZxzffLuWRyuMrkVVq7wastNUqeO0HJL9xqfY1QsYaqo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "25dedb0d52c20448f6a63cc346df1adbd6ef417e",
+        "rev": "850cb322046ef1a268449cf1ceda5fd24d930b05",
         "type": "github"
       },
       "original": {

scripts/bootstrap.sh

@@ -12,24 +12,10 @@ for the root user.
 read -p "Confirm host had been setup using the above steps...(yes|no): " confirm
 [ "$confirm" != "yes" ] && echo "Exiting" && exit 0
 
-# Target host details
-#cd ~
-#read -p "Enter hostname: " hostname
-#read -p "Enter username: " username
-#read -p "Enter ip address: " ip
-#read -p "Enter nixosSystem to build, e.g. 'bootstrap': " config
 hostname="bootstrap"
 ip="192.168.122.192"
 config="bootstrap"
 
-# Generate key name and dir
-HOST_KEY_DIR="$HOME/keys/hosts/$hostname"
-mkdir -p "$HOST_KEY_DIR"
-
-# Create ssh keys if not exists
-echo "Creating '$hostname' ssh keys"
-bash "/$HOME/nixos/scripts/generate_ssh_keys.sh" --type "host" --username "root" --hostname "$hostname"
-
 # Delete key in known hosts if exists
 sed -i "/$ip/d" ~/.ssh/known_hosts 
 
@@ -37,13 +23,6 @@ sed -i "/$ip/d" ~/.ssh/known_hosts
 echo "Copying pubkey to target host"
 ssh-copy-id -i "$(readlink -f "$HOME/.ssh/id_ed25519.pub")" "root@$ip"
 
-# Generate age key from target host and user public ssh key
-echo "Generating age key from target host and user ssh key"
-nix-shell -p ssh-to-age --run "cat $HOST_KEY_DIR/ssh_host_ed25519_key.pub | ssh-to-age > $HOST_KEY_DIR/age_host_key"
-HOST_AGE_KEY=$(cat "$HOST_KEY_DIR/age_host_key")
-echo -e "Host age key:\n$HOST_AGE_KEY\n"
-echo "These keys needs to be inserted into .sops.yaml file. This will be prompted again later."
-
 # Create temp directory for ssh keys to be copied to host:
 temp=$(mktemp -d)
 
@@ -56,12 +35,30 @@ trap cleanup EXIT
 # Create the directory where sshd expects to find the host keys
 install -d -m755 "$temp/persist/etc/ssh"
 
-cat "$HOST_KEY_DIR/ssh_host_ed25519_key" > "$temp/persist/etc/ssh/ssh_host_ed25519_key" 
-cat "$HOST_KEY_DIR/ssh_host_ed25519_key.pub" > "$temp/persist/etc/ssh/ssh_host_ed25519_key.pub" 
+# Create ssh keys if not exists
+echo "Creating '$hostname' ssh keys"
+ssh-keygen -t ed25519 -f "$temp/persist/etc/ssh/ssh_host_ed25519_key" -C root@"$hostname" -N ""
 
 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 $temp/persist/etc/ssh/ssh_host_ed25519_key.pub | ssh-to-age")
+echo -e "Host age key:\n$HOST_AGE_KEY\n"
+
+# Update .sops.yaml with new age key:
+SOPS_FILE="../nix-secrets/sops.yaml"
+sed -i "{
+# Remove any * and & entries for this host
+/[*&]$hostname/ d;
+# Inject a new age: entry
+# n matches the first line following age: and p prints it, then we transform it while reusing the spacing
+/age:/{n; p; s/\(.*- \*\).*/\1$hostname/};
+# Inject a new hosts: entry
+/&hosts:/{n; p; s/\(.*- &\).*/\1$hostname $HOST_AGE_KEY/}
+}" $SOPS_FILE
+
 # Install Nixos to target
 cd "$HOME/nixos"
 git add . && git commit -m "auto: bootstrapping $hostname" && git push

scripts/generate_age_keys.sh

@@ -1,35 +0,0 @@
-#!/usr/bin/env bash
-echo "Generating an age key based on the new ssh_host_ed25519_key."
-
-target_key=$(ssh-keyscan -p $ssh_port -t ssh-ed25519 "$target_destination" 2>&1 | grep ssh-ed25519 | cut -f2- -d" ")
-age_key=$(nix shell nixpkgs#ssh-to-age.out -c sh -c "echo $target_key | ssh-to-age")
-
-if grep -qv '^age1' <<<"$age_key"; then
-	echo "The result from generated age key does not match the expected format."
-	echo "Result: $age_key"
-	echo "Expected format: age10000000000000000000000000000000000000000000000000000000000"
-	exit 1
-else
-	echo "$age_key"
-fi
-
-echo "Updating nix-secrets/.sops.yaml"
-cd ../nix-secrets
-
-SOPS_FILE=".sops.yaml"
-sed -i "{
-# Remove any * and & entries for this host
-/[*&]$target_hostname/ d;
-# Inject a new age: entry
-# n matches the first line following age: and p prints it, then we transform it while reusing the spacing
-/age:/{n; p; s/\(.*- \*\).*/\1$target_hostname/};
-# Inject a new hosts: entry
-/&hosts:/{n; p; s/\(.*- &\).*/\1$target_hostname $age_key/}
-}" $SOPS_FILE
-
-echo "Updating nix-secrets/.sops.yaml"
-cd -
-just rekey
-
-echo "Updating flake lock on source machine with new .sops.yaml info"
-nix flake lock --update-input nix-secrets