rsync-looper.sh

#!/bin/bash

mkdir ~/.ssh

# Originally: cat private.key | openssl base64 | tr -d '\n'
echo $PRIVATE_KEY_BASE_64 | openssl base64 -A -d >~/.ssh/private.key
chmod 700 ~/.ssh/private.key

ssh-keyscan -p $REMOTE_SSH_PORT -H $REMOTE_SSH_ADDRESS >>~/.ssh/known_hosts

# Just a simple check to make sure we can SSH to remote
ssh -i ~/.ssh/private.key $REMOTE_SSH_USER@$REMOTE_SSH_ADDRESS -p $REMOTE_SSH_PORT 'date' || echo 'failed'

while true; do
    rsync -aPh -e "ssh -i ~/.ssh/private.key -p $REMOTE_SSH_PORT" $REMOTE_SSH_USER@$REMOTE_SSH_ADDRESS:$REMOTE_SOURCE_DIRECTORY /target-dir/ || echo 'failed'
    sleep $RSYNC_SLEEP_GAP
done