if not await self.libjuju.model_exists(model_name):
await self.libjuju.add_model(model_name, cloud_name=self.cloud)
machine_id = await self.libjuju.provision_machine(
if not await self.libjuju.model_exists(model_name):
await self.libjuju.add_model(model_name, cloud_name=self.cloud)
machine_id = await self.libjuju.provision_machine(