Add parsers for the Redfish resources in redfish-map.md

Pure functions for ServiceRoot, ComputerSystem (facts, power state, reset action and ActionInfo), Processors, Memory, Storage/Drives/SimpleStorage, Chassis Thermal and Power as well as ThermalSubsystem/PowerSubsystem/Sensors (with environment_sources to pick whichever exists), Manager, EthernetInterfaces, ManagerNetworkProtocol, accounts, firmware inventory and log services/entries.

tests/parsers/test_accounts.py

@@ -0,0 +1,52 @@
+from napalm_redfish.parsers import parse_account, to_napalm_users
+
+
+def test_account(rackmount):
+    acc = parse_account(rackmount("/redfish/v1/AccountService/Accounts/1"))
+    assert acc == {
+        "id": "1",
+        "username": "Administrator",
+        "role_id": "Administrator",
+        "enabled": True,
+        "locked": False,
+        "account_types": ["Redfish"],
+    }
+
+
+def test_account_snmp_user(rackmount):
+    acc = parse_account(rackmount("/redfish/v1/AccountService/Accounts/2"))
+    assert acc["username"] == "contoso_employee457"
+    assert acc["account_types"] == ["Redfish", "SNMP"]
+
+
+def test_empty_account_slot_is_none():
+    # iDRAC and Supermicro list every slot, unused ones with an empty UserName.
+    assert parse_account({"Id": "3", "UserName": "", "Enabled": False, "RoleId": "None"}) is None
+    assert parse_account({"Id": "4"}) is None
+
+
+def test_account_defaults():
+    acc = parse_account({"Id": "2", "UserName": "ADMIN"})
+    assert acc["enabled"] is None
+    assert acc["locked"] is None
+    assert acc["role_id"] is None
+    assert acc["account_types"] == []
+
+
+def test_to_napalm_users(rackmount):
+    accounts = [parse_account(rackmount(f"/redfish/v1/AccountService/Accounts/{i}"))
+                for i in (1, 2)]
+    accounts.append({"id": "3", "username": "netork", "role_id": "ReadOnly", "enabled": True,
+                     "locked": False, "account_types": []})
+    accounts.append({"id": "4", "username": "ops", "role_id": "Operator", "enabled": False,
+                     "locked": False, "account_types": []})
+    accounts.append({"id": "5", "username": "custom", "role_id": "OemSpecial", "enabled": True,
+                     "locked": False, "account_types": []})
+    accounts.append(None)
+    assert to_napalm_users(accounts) == {
+        "Administrator": {"level": 15, "password": "", "sshkeys": []},
+        "contoso_employee457": {"level": 15, "password": "", "sshkeys": []},
+        "netork": {"level": 1, "password": "", "sshkeys": []},
+        "ops": {"level": 5, "password": "", "sshkeys": []},
+        "custom": {"level": 0, "password": "", "sshkeys": []},
+    }