code: func (gce *Cloud) GetFirewall(name string) (*compute.Firewall, error) {
  	return gce.service.Firewalls.Get(gce.projectID, name).Do()
  }
docs: // Firewall management: These methods are just passthrough to the existing
  // internal firewall creation methods used to manage TCPLoadBalancer.
  // GetFirewall returns the Firewall by name.