Support system.model-name hardware requirement for mrack (#3280)

docs/releases.rst

@@ -5,6 +5,14 @@
 ======================
 
 
+tmt-1.39.0
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The :ref:`/plugins/provision/beaker` provision plugin gains
+support for :ref:`system.model-name</spec/hardware/system>`
+hardware requirement.
+
+
 tmt-1.38.0
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

spec/hardware/system.fmf

@@ -20,12 +20,20 @@ description: |
            # Integer or string, required number of NUMA nodes.
            numa-nodes: 2|">= 2"
 
+    .. versionchanged:: 1.38
+       ``beaker`` plugins supports ``model-name``
+
 example:
   - |
     # Select any system by a given vendor
     system:
         vendor-name: "~ HPE"
 
+  - |
+    # Select any system by a given model name
+    system:
+        model-name: "~ PowerEdge R750"
+
   - |
     # Select any HPE system with enough NUMA nodes.
     system:
@@ -34,4 +42,4 @@ example:
 
 link:
   - implemented-by: /tmt/steps/provision/mrack.py
-    note: "``system.numa-nodes`` only"
+    note: "``system.numa-nodes`` and ``system.model-name`` only"

tests/unit/provision/mrack/test_hw.py

@@ -292,7 +292,14 @@ def test_maximal_constraint(root_logger: Logger) -> None:
                                 },
                             },
                         },
-                    {'or': []},
+                    {
+                        'system': {
+                            'model': {
+                                '_op': 'like',
+                                '_value': 'PowerEdge R750',
+                                },
+                            },
+                        },
                     ]
                 },
             {
@@ -886,3 +893,19 @@ def test_system_numa_nodes(root_logger: Logger) -> None:
                 }
             }
         }
+
+
+def test_system_model_name(root_logger: Logger) -> None:
+    result = _CONSTRAINT_TRANSFORMERS['system.model_name'](
+        _parse_system({'model-name': '!~ PowerEdge R750.*'}), root_logger)
+
+    assert result.to_mrack() == {
+        'not': {
+            'system': {
+                'model': {
+                    '_op': 'like',
+                    '_value': 'PowerEdge R750%'
+                    }
+                }
+            }
+        }

tmt/steps/provision/mrack.py

@@ -579,6 +579,23 @@ def _transform_system_numa_nodes(
         children=[MrackHWBinOp('numanodes', beaker_operator, actual_value)])
 
 
+def _transform_system_model_name(
+        constraint: tmt.hardware.TextConstraint,
+        logger: tmt.log.Logger) -> MrackBaseHWElement:
+    beaker_operator, actual_value, negate = operator_to_beaker_op(
+        constraint.operator,
+        str(constraint.value))
+
+    if negate:
+        return MrackHWNotGroup(children=[
+            MrackHWGroup('system',
+                         children=[MrackHWBinOp('model', beaker_operator, actual_value)])
+            ])
+
+    return MrackHWGroup('system',
+                        children=[MrackHWBinOp('model', beaker_operator, actual_value)])
+
+
 ConstraintTransformer = Callable[[
     tmt.hardware.Constraint[Any], tmt.log.Logger], MrackBaseHWElement]
 
@@ -608,6 +625,7 @@ def _transform_system_numa_nodes(
     'zcrypt.adapter': _transform_zcrypt_adapter,  # type: ignore[dict-item]
     'zcrypt.mode': _transform_zcrypt_mode,  # type: ignore[dict-item]
     'system.numa_nodes': _transform_system_numa_nodes,  # type: ignore[dict-item]
+    'system.model_name': _transform_system_model_name,  # type: ignore[dict-item]
     'iommu.is_supported': _transform_iommu_is_supported,  # type: ignore[dict-item]
     }