opennebula inventory: add VM ID and VM host to data (#8532)

* Add VM id and VM host to opennebula inventory data

##### SUMMARY
<!--- Describe the change below, including rationale and design decisions --> To enable greater use of the inventory, add the ID of the VM, and the hostname of the host the VM is running on to the inventory output

<!--- HINT: Include "Fixes #nnn" if you are fixing an existing issue -->

<!--- Please do not forget to include a changelog fragment:
      https://docs.ansible.com/ansible/devel/community/collection_development_process.html#creating-changelog-fragments
      No need to include one for docs-only or test-only PR, and for new plugin/module PRs.
      Read about more details in CONTRIBUTING.md.
      -->

##### ISSUE TYPE
<!--- Pick one or more below and delete the rest.
      'Test Pull Request' is for PRs that add/extend tests without code changes. -->
- Feature Pull Request

##### COMPONENT NAME
<!--- Write the SHORT NAME of the module, plugin, task or feature below. --> opennebula.py

##### ADDITIONAL INFORMATION
<!--- Include additional information to help people understand the change here --> <!--- A step-by-step reproduction of the problem is helpful if there is no related issue -->

<!--- Paste verbatim command output below, e.g. before and after your change -->
```paste below
                "host": "foo23.host",
                "id": 1234,
```

* Create 8532-expand-opennuebula-inventory-data.yml

* Update opennebula.py

* Update changelogs/fragments/8532-expand-opennuebula-inventory-data.yml

Co-authored-by: Felix Fontein <felix@fontein.de>

* Add check for empty records and add test

* fix attribute test

* fix attribute test

* fix attribute test

* fix attribute test

* Update plugins/inventory/opennebula.py

Co-authored-by: Felix Fontein <felix@fontein.de>

* update as per guidance

* restore attribute checks

* fix attr

* fix indent

* PR Fixes

* add attribute check in case of empty variable

---------

Co-authored-by: Felix Fontein <felix@fontein.de>
Co-authored-by: Александр Бакановский <abakanovskii@astralinux.ru>

changelogs/fragments/8532-expand-opennuebula-inventory-data.yml

@@ -0,0 +1,2 @@
+minor_changes:
+  - opennebula.py - add VM ``id`` and VM ``host`` to inventory host data (https://github.com/ansible-collections/community.general/pull/8532).

plugins/inventory/opennebula.py

@@ -199,6 +199,9 @@ class InventoryModule(BaseInventoryPlugin, Constructable):
                     continue
 
             server['name'] = vm.NAME
+            server['id'] = vm.ID
+            if hasattr(vm.HISTORY_RECORDS, 'HISTORY') and vm.HISTORY_RECORDS.HISTORY:
+                server['host'] = vm.HISTORY_RECORDS.HISTORY[-1].HOSTNAME
             server['LABELS'] = labels
             server['v4_first_ip'] = self._get_vm_ipv4(vm)
             server['v6_first_ip'] = self._get_vm_ipv6(vm)

tests/unit/plugins/inventory/test_opennebula.py

@@ -21,6 +21,23 @@ from ansible_collections.community.general.plugins.inventory.opennebula import I
 from ansible_collections.community.general.tests.unit.compat.mock import create_autospec
 
 
+class HistoryEntry(object):
+    def __init__(self):
+        self.SEQ = '384'
+        self.HOSTNAME = 'sam-691-sam'
+        self.HID = '10'
+        self.CID = '0'
+        self.DS_ID = '100'
+        self.VM_MAD = 'kvm'
+        self.TM_MAD = '3par'
+        self.ACTION = '0'
+
+
+class HistoryRecords(object):
+    def __init__(self):
+        self.HISTORY = [HistoryEntry()]
+
+
 @pytest.fixture
 def inventory():
     r = InventoryModule()
@@ -58,7 +75,7 @@ def get_vm_pool():
         'ETIME': 0,
         'GID': 132,
         'GNAME': 'CSApparelVDC',
-        'HISTORY_RECORDS': {},
+        'HISTORY_RECORDS': HistoryRecords(),
         'ID': 7157,
         'LAST_POLL': 1632762935,
         'LCM_STATE': 3,
@@ -104,7 +121,7 @@ def get_vm_pool():
         'ETIME': 0,
         'GID': 0,
         'GNAME': 'oneadmin',
-        'HISTORY_RECORDS': {},
+        'HISTORY_RECORDS': [],
         'ID': 327,
         'LAST_POLL': 1632763543,
         'LCM_STATE': 3,
@@ -167,7 +184,7 @@ def get_vm_pool():
         'ETIME': 0,
         'GID': 0,
         'GNAME': 'oneadmin',
-        'HISTORY_RECORDS': {},
+        'HISTORY_RECORDS': [],
         'ID': 107,
         'LAST_POLL': 1632764186,
         'LCM_STATE': 3,