feat: flavor schema for ironic hw detect

docs/schema/flavor.schema.json

@@ -0,0 +1 @@
+../../schema/flavor.schema.json

python/ironic-understack/ironic_understack/flavor_spec.py

@@ -6,15 +6,24 @@
 from ironic_understack.machine import Machine
 
 
+@dataclass
+class PciSpec:
+    vendor_id: str
+    device_id: str
+    sub_vendor_id: str
+    sub_device_id: str
+
+
 @dataclass
 class FlavorSpec:
     name: str
     manufacturer: str
     model: str
     memory_gb: int
     cpu_cores: int
-    cpu_models: list[str]
+    cpu_model: str
     drives: list[int]
+    pci: list[PciSpec]
 
     @staticmethod
     def from_yaml(yaml_str: str) -> "FlavorSpec":
@@ -25,8 +34,9 @@ def from_yaml(yaml_str: str) -> "FlavorSpec":
             model=data["model"],
             memory_gb=data["memory_gb"],
             cpu_cores=data["cpu_cores"],
-            cpu_models=data["cpu_models"],
+            cpu_model=data.get("cpu_model", data.get("cpu_models", [""]).pop()),
             drives=data["drives"],
+            pci=data.get("pci", []),
         )
 
     @staticmethod
@@ -67,7 +77,7 @@ def score_machine(self, machine: Machine):
         if (
             machine.memory_gb == self.memory_gb
             and machine.disk_gb in self.drives
-            and machine.cpu in self.cpu_models
+            and machine.cpu == self.cpu_model
         ):
             return 100
 
@@ -80,7 +90,7 @@ def score_machine(self, machine: Machine):
             return 0
 
         # Rule 4: Machine must match the flavor on one of the CPU models exactly
-        if machine.cpu not in self.cpu_models:
+        if machine.cpu != self.cpu_model:
             return 0
 
         # Rule 5 and 6: Rank based on exact matches or excess capacity

python/ironic-understack/ironic_understack/tests/test_flavor_spec.py

@@ -14,8 +14,7 @@ def valid_yaml():
 model: PowerEdge R7615
 memory_gb: 7777
 cpu_cores: 245
-cpu_models:
-    - AMD EPYC 9254 245-Core Processor
+cpu_model: AMD EPYC 9254 245-Core Processor
 drives:
     - 960
     - 960
@@ -50,7 +49,7 @@ def test_from_yaml(valid_yaml):
     assert spec.model == "PowerEdge R7615"
     assert spec.memory_gb == 7777
     assert spec.cpu_cores == 245
-    assert spec.cpu_models == ["AMD EPYC 9254 245-Core Processor"]
+    assert spec.cpu_model == "AMD EPYC 9254 245-Core Processor"
     assert spec.drives == [960, 960]
 
 
@@ -119,26 +118,29 @@ def flavors():
             model="Fake Machine",
             memory_gb=100,
             cpu_cores=13,
-            cpu_models=["AMD EPYC 9254 245-Core Processor"],
+            cpu_model="AMD EPYC 9254 245-Core Processor",
             drives=[500, 500],
+            pci=[],
         ),
         FlavorSpec(
             name="medium",
             manufacturer="Dell",
             model="Fake Machine",
             memory_gb=200,
             cpu_cores=15,
-            cpu_models=["AMD EPYC 9254 245-Core Processor"],
+            cpu_model="AMD EPYC 9254 245-Core Processor",
             drives=[1500, 1500],
+            pci=[],
         ),
         FlavorSpec(
             name="large",
             manufacturer="Dell",
             model="Fake Machine",
             memory_gb=400,
             cpu_cores=27,
-            cpu_models=["AMD EPYC 9254 245-Core Processor"],
+            cpu_model="AMD EPYC 9254 245-Core Processor",
             drives=[1800, 1800],
+            pci=[],
         ),
     ]
 

python/ironic-understack/ironic_understack/tests/test_matcher.py

@@ -13,26 +13,29 @@ def sample_flavors():
             model="Fake Machine",
             memory_gb=4,
             cpu_cores=2,
-            cpu_models=["x86"],
+            cpu_model="x86",
             drives=[20],
+            pci=[],
         ),
         FlavorSpec(
             name="medium",
             manufacturer="Dell",
             model="Fake Machine",
             memory_gb=8,
             cpu_cores=4,
-            cpu_models=["x86"],
+            cpu_model="x86",
             drives=[40],
+            pci=[],
         ),
         FlavorSpec(
             name="large",
             manufacturer="Dell",
             model="Fake Machine",
             memory_gb=16,
             cpu_cores=8,
-            cpu_models=["x86"],
+            cpu_model="x86",
             drives=[80],
+            pci=[],
         ),
     ]
 

schema/README.md

@@ -5,3 +5,8 @@
 ```bash
 curl -o argo-workflows.json https://raw.githubusercontent.com/argoproj/argo-workflows/master/api/jsonschema/schema.json
 ```
+
+## flavor.schema
+
+Used to define hardware identification / mapping for Ironic hardware to Nova flavors.
+The flavors hook uses these files to set properties automatically on the nodes.

schema/flavor.schema.json

@@ -0,0 +1,84 @@
+{
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+    "$id": "https://rackerlabs.github.io/understack/schema/flavor.schema.json",
+    "title": "UnderStack Hardware Flavor",
+    "description": "Server flavor configuration schema",
+    "type": "object",
+    "properties": {
+        "name": {
+            "description": "Flavor name for specified configuration (ie gp01.s)",
+            "type": "string"
+        },
+        "manufacturer": {
+            "description": "Manufacturer of the hardware chassis",
+            "type": "string"
+        },
+        "model": {
+            "description": "Model of the hardware chassis",
+            "type": "string"
+        },
+        "cpu_cores": {
+            "description": "Total CPU cores.",
+            "type": "number"
+        },
+        "cpu_model": {
+            "description": "Processor model",
+            "type": "string"
+        },
+        "cpu_models": {
+            "description": "Processor models",
+            "type": "array",
+            "items": {
+                "type": "string",
+                "description": "Processor model"
+            },
+            "minItems": 1,
+            "maxItems": 1
+        },
+        "memory_gb": {
+            "description": "Total memory in GB",
+            "type": "number"
+        },
+        "memory_modules": {
+            "description": "Memory modules",
+            "type": "array",
+            "items": {
+                "type": "number",
+                "description": "Capacity in GB"
+            }
+        },
+        "drives": {
+            "description": "Drives",
+            "type": "array",
+            "items": {
+                "type": "number",
+                "description": "Capacity in GB"
+            }
+        },
+        "pci": {
+            "description": "PCI devices",
+            "type": "array",
+            "items": {
+                "type": "object",
+                "description": "PCI device",
+                "properties": {
+                    "vendor_id": {
+                        "type": "string"
+                    },
+                    "device_id": {
+                        "type": "string"
+                    },
+                    "sub_vendor_id": {
+                        "type": "string"
+                    },
+                    "sub_device_id": {
+                        "type": "string"
+                    }
+                },
+                "required": ["vendor_id", "device_id", "sub_vendor_id", "sub_device_id"]
+
+            }
+        }
+    },
+    "required": [ "name", "manufacturer", "model", "cpu_cores", "cpu_models", "memory_gb", "drives" ]
+}