Extend parsers for the driver

parse_power_supply also reads items of the legacy Power.PowerSupplies array, parse_ethernet_interface exposes the raw LinkStatus, and parse_network_protocol reports protocols that carry a Port without a ProtocolEnabled flag.

tests/parsers/test_environment.py

@@ -281,3 +281,17 @@ def test_build_environment_from_new_resources(rackmount):
 def test_build_environment_empty():
     assert build_environment() == {
         "fans": {}, "temperature": {}, "power": {}, "voltages": {}, "consumed_watts": None}
+
+
+def test_power_supply_legacy_item(rackmount):
+    # Items of the legacy Power.PowerSupplies array parse the same way: MemberId as id,
+    # LastPowerOutputWatts as output.
+    (item,) = rackmount(CHASSIS + "/Power")["PowerSupplies"]
+    psu = parse_power_supply(item)
+    assert psu["id"] == "0"
+    assert psu["name"] == "Power Supply Bay"
+    assert psu["capacity"] == 800.0
+    assert psu["output"] == 325.0
+    assert psu["model"] == "499253-B21"
+    assert psu["serial_number"] == "1Z0000001"
+    assert psu["status"] is False