#!/usr/bin/env bash

mkdir -p /config/ssh/

SSH_KEY=/config/ssh/id_rsa

echo "Documentation for this script: https://docs.olivetin.app/setup-ssh"
echo ""

if test -f "$SSH_KEY"; then
	echo "Using existing SSH key at $SSH_KEY, not generating a new one"
else
	ssh-keygen -f $SSH_KEY -N ''
	echo "Your new SSH key has been generated and saved to $SSH_KEY"
fi

echo "To use this SSH key with OliveTin, format your action line like this:"
echo ""
echo "actions:"
echo "  - name: My SSH Action"
echo "    shell: ssh -F /config/ssh/config user@host \"echo 'Hello, world!'\""
echo ""
echo "Note: This config has ssh key checking turned off for convenience."
echo "If validating SSH keys is important to you, you should not use this config."
echo ""

cat <<EOF > /config/ssh/config
Host *
	StrictHostKeyChecking no
	UserKnownHostsFile=/dev/null
	IdentityFile /config/ssh/id_rsa
EOF

echo "Copy this line into your ~/.ssh/authorized_keys file to allow OliveTin to connect to your server:"
cat /config/ssh/id_rsa.pub