Add env variable "FORTIGATE_UUID" to set the VM UUID for licensing purposes (#275)

Author: jbemmel

fortigate/docker/launch.py

@@ -55,7 +55,7 @@ def __init__(self, hostname, username, password, conn_mode):
         self.num_nics = 12
         self.nic_type = "virtio-net-pci"
         self.highest_port = 0
-        self.qemu_args.extend(["-uuid", str(uuid.uuid4())])
+        self.qemu_args.extend(["-uuid", os.getenv("FORTIGATE_UUID") or str(uuid.uuid4())])
         self.spins = 0
         self.running = None