From e432cbe473d68fa449995d4fed94fc83f3c9b8ec Mon Sep 17 00:00:00 2001
From: Sam <samual.shop@proton.me>
Date: Wed, 15 May 2024 15:39:30 +0100
Subject: [PATCH] changes keys to gitea

---
 flake.lock                        |  8 +++----
 home/common/optional/sops.nix     |  8 +++----
 hosts/common/users/keys/gitea.pub |  1 +
 scripts/bootstrap.sh              | 39 +++++++++++++++++++++++++++----
 4 files changed, 44 insertions(+), 12 deletions(-)
 create mode 100644 hosts/common/users/keys/gitea.pub

diff --git a/flake.lock b/flake.lock
index ce312c8..3d98107 100644
--- a/flake.lock
+++ b/flake.lock
@@ -43,11 +43,11 @@
     "nix-secrets": {
       "flake": false,
       "locked": {
-        "lastModified": 1715644238,
-        "narHash": "sha256-QIQlx1bJV3E/z3hGS0hFVmXy1841uCPPP80o1c4VGDM=",
+        "lastModified": 1715721657,
+        "narHash": "sha256-QZg1Oyfn9DOOQ7Znryvtc0Qe3TOEF3fEeDZtDwTMul4=",
         "ref": "refs/heads/master",
-        "rev": "c8cc6d01c075b8fe802b3fd70bd961b1d13f747f",
-        "revCount": 2,
+        "rev": "1c2eac9c8be044e897b80ea2ff7a5184e20aa7ee",
+        "revCount": 4,
         "type": "git",
         "url": "ssh://git@git.bitlab21.com/sam/nix-secrets.git"
       },
diff --git a/home/common/optional/sops.nix b/home/common/optional/sops.nix
index 2e6ed20..9164eb3 100644
--- a/home/common/optional/sops.nix
+++ b/home/common/optional/sops.nix
@@ -16,11 +16,11 @@ in
     validateSopsFiles = false;
 
     secrets = {
-      "ssh_keys/sam/private" = {
-        path = "${homeDirectory}/.ssh/openssh_key";
+      "ssh_keys/sam/gitea" = {
+        path = "${homeDirectory}/.ssh/gitea";
       };
-      "ssh_keys/sam/public" = {
-        path = "${homeDirectory}/.ssh/openssh_key.pub";
+      "ssh_keys/sam/gitea.pub" = {
+        path = "${homeDirectory}/.ssh/gitea.pub";
       };
     };
   };
diff --git a/hosts/common/users/keys/gitea.pub b/hosts/common/users/keys/gitea.pub
new file mode 100644
index 0000000..f5a1a2a
--- /dev/null
+++ b/hosts/common/users/keys/gitea.pub
@@ -0,0 +1 @@
+ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILywv6g5k5cOVplxgbbStrGf3qYVukgCcd80TJSBM8e8 sam@nixos
diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh
index 88b213a..aed46dd 100755
--- a/scripts/bootstrap.sh
+++ b/scripts/bootstrap.sh
@@ -19,6 +19,7 @@ read -p "Enter ip address: " ip
 
 KEY_DIR="$HOME/keys/$hostname/"
 mkdir -p $KEY_DIR
+ssh-copy-id -i "$(readlink -n "$HOME/.ssh/openssh_key.pub" )" "root@$ip"
 
 echo "Creating ssh keys for new host. Will create in current directory: "$KEY_DIR
 KEY_NAME="ssh_ed25519_key_$hostname"
@@ -29,8 +30,10 @@ confirm_delete=""
 [ "$KNOWN_HOSTS" != "" ] && echo -e "Host found in: ~/.ssh/known_hosts\n\n$KNOWN_HOSTS\n" && read -p "Delete existing hosts from ~/.ssh/known_hosts? (yes|no) " confirm_delete
 [ "$confirm_delete" = "yes" ] && sed -i "/$ip/d" ~/.ssh/known_hosts 
 
-ssh-keygen -t ed25519 -f "$KEY_DIR/$KEY_NAME" -C "$hostname@$ip" -N ""
-[ $? != 0 ] && echo "Error generating ssh keys" && exit 1
+overwrite=""
+[ -f "$KEY_DIR/$KEY_NAME" ] && read -p "Key exists, would you like to overwrite it? (yes|no) " overwrite
+
+[ "$overwrite" == "yes" ] && ssh-keygen -t ed25519 -f "$KEY_DIR/$KEY_NAME" -C "$hostname@$ip" -N ""
 
 echo "Copying ssh key to target host:"
 # Rsync currently not available in Nixos. Use scp instead.
@@ -39,7 +42,7 @@ scp -i "$KEY_DIR/ssh_ed25519_key_$hostname"* "root@$ip:/etc/ssh/"
 [ $? != 0 ] && echo "Error copying keys to target host" && exit 1
 
 echo "Generating age key from ssh key"
-nix-shell -p ssh-to-age --run "cat $KEY_NAME.pub | ssh-to-age > $KEY_DIR/age_key_$hostname"
+nix-shell -p ssh-to-age --run "cat $KEY_DIR/$KEY_NAME.pub | ssh-to-age > $KEY_DIR/age_key_$hostname"
 [ $? != 0 ] && echo "Error generating age key" && exit 1
 
 AGE_KEY=$(cat "$KEY_DIR/age_key_$hostname")
@@ -55,10 +58,23 @@ SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --flake .#bootstrap
 echo "Deleting host from known_hosts"
 sed -i "/$ip/d" ~/.ssh/known_hosts
 
+ssh-copy-id -i "$HOME/.ssh/openssh_key.pub" "$username@$ip"
+
+echo "Configuring ssh keys on target host to enable connection to gitea:"
+
+read -r -d '' config << EOM
+Host git.bitlab21.com
+    IdentitiesOnly yes
+    IdentityFile ~/.ssh/gitea
+EOM
+
+# Append the string to file on target machine
+echo "$config" | ssh "$username@$ip" 'cat > .ssh/config'
+
 echo -e "
 Complete!
 
-Remember to add the age key to .sops.yaml, like this:
+Now add the age key to .sops.yaml, like this:
 keys:
 - &hosts:
     - &$hostname $AGE_KEY
@@ -71,10 +87,25 @@ creation_rules:
 
 Then to update the keys for the secrets.yaml file, run:
 'sops --config .sops.yaml updatekeys secrets.yaml'
+or with nix-shell:
+'nix-shell -p sops --run 'sops --config .sops.yaml updatekeys secrets.yaml''
+then run 'nix flake lock --update-input nix-secrets $HOME/nixos'
+Finally, commit and push these changes to remote so they can be accessed on
+the new host.
 "
 
+while true;
+do
+  read -p "Confirm keys have been added to .sops.yaml using the above steps...(yes|no): " confirm
+  [ "$confirm" = "yes" ] && break
+done
+
 echo "Copying gitea private ssh key to host"
+echo "New password is 'nixos'"
+
+ssh "$username@$ip" "mkdir /home/$username/.ssh"
 rsync -av "$(readlink -n "$HOME/.ssh/openssh_key" )" "$username@$ip":~/.ssh/gitea
 ssh "$username@$ip" "nix-shell -p git --run \"GIT_SSH_COMMAND='ssh -i ~/.ssh/gitea -o IdentitiesOnly=yes' git clone git@git.bitlab21.com:sam/nixos.git\""
 ssh "$username@$ip" "nix-shell -p git --run \"GIT_SSH_COMMAND='ssh -i ~/.ssh/gitea -o IdentitiesOnly=yes' git clone git@git.bitlab21.com:sam/nix-secrets.git\""
 
+echo "Successfully installed Nixos on the target host!"