out

#!/usr/bin/env bash

set -e

exec 3>&1 # make stdout available as fd 3 for the result
exec 1>&2 # redirect all output to stderr for logging

source=$1

if [ -z "$source" ]; then
  echo "usage: $0 <path/to/source>"
  exit 1
fi

payload=$(mktemp /tmp/resource-out.XXXXXX)

cat > $payload <&0

cd $source

hostname=$(jq -r '.source.hostname' < $payload)
username=$(jq -r '.source.username' < $payload)
port=$(jq -r '.source.port // "22"' < $payload)
private_key_file=$(mktemp /tmp/resource-out.XXXXXX)
chmod 600 $private_key_file
jq -r '.source.private_key // ""' $payload > $private_key_file

command=$(jq -r '.params.command' < $payload)

ssh -o StrictHostKeyChecking=no -o ConnectTimeout=5 -p $port -i $private_key_file $username@$hostname $command

echo "{\"version\": {\"time\": \"$(date +%s)\"}}" >&3