A simple wrapper around faas-cli.
faas_port = 8080
faas_client_factory = FaasClientFactory(faas_port)
username = "the-username"
password = "the-password"
hostname = "the-hostname"
faas_client = faas_client_factory.create(hostname, username, password)
faas_client.login()
faas_client.build("faas.yml", "my-function")