ClusterIP: "1.2.3.4",
				Ports: []v1.ServicePort{
					{Port: 777, Protocol: "SCTP"},
				},
			},
		},
	}
	vars := envvars.FromServices(sl)
	expected := []v1.EnvVar{
		{Name: "FOO_BAR_SERVICE_HOST", Value: "1.2.3.4"},
		{Name: "FOO_BAR_SERVICE_PORT", Value: "8080"},
		{Name: "FOO_BAR_PORT", Value: "tcp://1.2.3.4:8080"},
		{Name: "FOO_BAR_PORT_8080_TCP", Value: "tcp://1.2.3.4:8080"},