diff --git a/home/users/sam/default.nix b/home/users/sam/default.nix index 9692643..21b38ec 100644 --- a/home/users/sam/default.nix +++ b/home/users/sam/default.nix @@ -48,7 +48,6 @@ }; home.sessionPath = [ - "$HOME/.scripts/" ]; gtk.enable = true; diff --git a/hosts/bootstrap/default.nix b/hosts/bootstrap/default.nix index e3590fa..a06fb3f 100644 --- a/hosts/bootstrap/default.nix +++ b/hosts/bootstrap/default.nix @@ -78,6 +78,7 @@ inherit(pkgs) wget curl + git rsync; }; diff --git a/hosts/common/core/default.nix b/hosts/common/core/default.nix index e42f28e..21b0bdb 100644 --- a/hosts/common/core/default.nix +++ b/hosts/common/core/default.nix @@ -2,4 +2,5 @@ imports = [ ./sops.nix ]; + } diff --git a/scripts/bootstrap.sh b/scripts/bootstrap.sh new file mode 100755 index 0000000..88b213a --- /dev/null +++ b/scripts/bootstrap.sh @@ -0,0 +1,80 @@ +#!/usr/bin/env bash + +echo -e " +Before using this tool, ensure that the host has been setup correctly. +Boot the latest Nixos-minimal install ISO on the host and access the tty. + +Use 'ip a' to get the ip address, then 'sudo su' to change to root. Finally +Run 'passwd' and set a temporary password (something simple like '1234') +for the root user. +" + +read -p "Confirm host had been setup using the above steps...(yes|no): " confirm +[ "$confirm" != "yes" ] && echo "Exiting" && exit 0 + +cd ~ +read -p "Enter hostname: " hostname +read -p "Enter username: " username +read -p "Enter ip address: " ip + +KEY_DIR="$HOME/keys/$hostname/" +mkdir -p $KEY_DIR + +echo "Creating ssh keys for new host. Will create in current directory: "$KEY_DIR +KEY_NAME="ssh_ed25519_key_$hostname" + +KNOWN_HOSTS=$(grep "$ip" ~/.ssh/known_hosts) +confirm_delete="" + +[ "$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 "" +[ $? != 0 ] && echo "Error generating ssh keys" && exit 1 + +echo "Copying ssh key to target host:" +# Rsync currently not available in Nixos. Use scp instead. +#rsync -av "ssh_ed25519_key_$hostname"* "root@$ip:/etc/ssh/" +scp -i "$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" +[ $? != 0 ] && echo "Error generating age key" && exit 1 + +AGE_KEY=$(cat "$KEY_DIR/age_key_$hostname") + +echo -e "Age key:\n$AGE_KEY\n" +echo "This needs to be inserted into .sops.yaml file." + +# Install Nixos bootstrap +cd "$HOME/nixos" +SHELL=/bin/sh nix run github:nix-community/nixos-anywhere -- --flake .#bootstrap root@"$ip" -i "$KEY_DIR/ssh_ed25519_key_$hostname" +[ $? != 0 ] && echo "Error installing Nixos" && exit 1 + +echo "Deleting host from known_hosts" +sed -i "/$ip/d" ~/.ssh/known_hosts + +echo -e " +Complete! + +Remember to add the age key to .sops.yaml, like this: +keys: +- &hosts: + - &$hostname $AGE_KEY + +creation_rules: + - path_regex: secrets.yaml$ + key_groups: + - age: + - *$hostname + +Then to update the keys for the secrets.yaml file, run: +'sops --config .sops.yaml updatekeys secrets.yaml' +" + +echo "Copying gitea private ssh key to host" +rsync -av "$(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\"" +