Add ProcessorSummary Metrics link (#386)

redfish/computersystem.go

@@ -1341,6 +1341,9 @@ type ProcessorSummary struct {
 	Count int
 	// LogicalProcessorCount is the number of logical central processors in the system.
 	LogicalProcessorCount int
+	// Metrics shall be a reference to the Metrics
+	// associated with this ProcessorSummary.
+	metrics string
 	// Model is the processor model for the central processors in the system,
 	// per the description in the Processor Information - Processor Family
 	// section of the SMBIOS Specification DSP0134 2.8 or later.
@@ -1349,6 +1352,35 @@ type ProcessorSummary struct {
 	Status common.Status
 }
 
+// UnmarshalJSON unmarshals a ProcessorSummary object from the raw JSON.
+func (processorSummary *ProcessorSummary) UnmarshalJSON(b []byte) error {
+	type temp ProcessorSummary
+	type t1 struct {
+		temp
+		Metrics common.Link
+	}
+	var t t1
+
+	err := json.Unmarshal(b, &t)
+	if err != nil {
+		return err
+	}
+
+	*processorSummary = ProcessorSummary(t.temp)
+
+	processorSummary.metrics = t.Metrics.String()
+
+	return nil
+}
+
+// Metrics gets the processor summary metrics
+func (processorSummary *ProcessorSummary) Metrics(c common.Client) (*ProcessorMetrics, error) {
+	if processorSummary.metrics == "" {
+		return nil, nil
+	}
+	return GetProcessorMetrics(c, processorSummary.metrics)
+}
+
 // TrustedModules is This type shall describe a trusted module for a system.
 type TrustedModules struct {
 	// FirmwareVersion is the firmware version as

redfish/computersystem_test.go

@@ -88,7 +88,10 @@ var computerSystemBody = `{
 				"State": "Enabled"
 			},
 			"Count": 2,
-			"Model": "Multi-Core Intel(R) Xeon(R) processor 7500 Series"
+			"Model": "Multi-Core Intel(R) Xeon(R) processor 7500 Series",
+			"Metrics": {
+				"@odata.id": "/redfish/v1/Systems/System-1/ProcessorSummary/ProcessorMetrics"
+			}
 		},
 		"MemorySummary": {
 			"Status": {
@@ -275,6 +278,11 @@ func TestComputerSystem(t *testing.T) { //nolint
 			result.TrustedModules[0].InterfaceTypeSelection)
 	}
 
+	if result.ProcessorSummary.metrics != "/redfish/v1/Systems/System-1/ProcessorSummary/ProcessorMetrics" {
+		t.Errorf("Received invalid processor summary metrics: %s",
+			result.ProcessorSummary.metrics)
+	}
+
 	if result.processors != "/redfish/v1/Systems/System-1/Processors" {
 		t.Errorf("Received invalid processors reference: %s", result.processors)
 	}