socat_portforward_cloud_init.yaml

#cloud-config
repo_update: true
repo_upgrade: all
packages:
 - socat
write_files:
- content: |
    [Unit]
    Description=Socat Port forward
    Wants=network-online.target
    After=network-online.target

    [Service]
    Type=simple

    ExecStart=/usr/bin/socat -d tcp4-listen:5432,reuseaddr,fork TCP:foo.example.com:5432
    Restart=always
    
    [Install]
    WantedBy=multi-user.target
  path: /etc/systemd/system/portforward.service
  owner: root:root
runcmd:
 - sudo systemctl start portforward
 - sudo systemctl enable portforward