Add observability pipelines splunk HEC metrics destination

.generator/schemas/v2/openapi.yaml

@@ -55577,6 +55577,7 @@ components:
         - $ref: "#/components/schemas/ObservabilityPipelineSyslogNgDestination"
         - $ref: "#/components/schemas/ObservabilityPipelineDatabricksZerobusDestination"
         - $ref: "#/components/schemas/ObservabilityPipelineDatadogMetricsDestination"
+        - $ref: "#/components/schemas/ObservabilityPipelineSplunkHecMetricsDestination"
     ObservabilityPipelineConfigPipelineType:
       default: logs
       description: The type of data being ingested. Defaults to `logs` if not specified.
@@ -59698,6 +59699,81 @@ components:
       type: string
       x-enum-varnames:
         - SPLUNK_HEC
+    ObservabilityPipelineSplunkHecMetricsDestination:
+      description: |-
+        The `splunk_hec_metrics` destination forwards metrics to Splunk using the HTTP Event Collector (HEC).
+
+        **Supported pipeline types:** metrics
+      properties:
+        buffer:
+          $ref: "#/components/schemas/ObservabilityPipelineBufferOptions"
+        compression:
+          $ref: "#/components/schemas/ObservabilityPipelineSplunkHecMetricsDestinationCompression"
+        default_namespace:
+          description: Optional default namespace for metrics sent to Splunk HEC.
+          example: "custom_namespace"
+          type: string
+        endpoint_url_key:
+          description: Name of the environment variable or secret that holds the Splunk HEC endpoint URL.
+          example: SPLUNK_HEC_ENDPOINT_URL
+          type: string
+        id:
+          description: The unique identifier for this component. Used in other parts of the pipeline to reference this component (for example, as the `input` to downstream components).
+          example: splunk-hec-metrics-destination
+          type: string
+        index:
+          description: Optional name of the Splunk index where metrics are written.
+          example: "metrics"
+          type: string
+        inputs:
+          description: A list of component IDs whose output is used as the `input` for this component.
+          example: ["metrics-filter-processor"]
+          items:
+            description: The ID of a component whose output is used as input for this destination.
+            type: string
+          type: array
+        source:
+          description: The Splunk source field value for metric events.
+          example: "observability_pipelines"
+          type: string
+        sourcetype:
+          description: The Splunk sourcetype to assign to metric events.
+          example: "custom_sourcetype"
+          type: string
+        tls:
+          $ref: "#/components/schemas/ObservabilityPipelineTls"
+        token_key:
+          description: Name of the environment variable or secret that holds the Splunk HEC token.
+          example: SPLUNK_HEC_TOKEN
+          type: string
+        type:
+          $ref: "#/components/schemas/ObservabilityPipelineSplunkHecMetricsDestinationType"
+      required:
+        - id
+        - type
+        - inputs
+      type: object
+      x-pipeline-types: [metrics]
+    ObservabilityPipelineSplunkHecMetricsDestinationCompression:
+      default: none
+      description: Compression algorithm applied when sending metrics to Splunk HEC.
+      enum:
+        - none
+        - gzip
+      example: none
+      type: string
+      x-enum-varnames:
+        - NONE
+        - GZIP
+    ObservabilityPipelineSplunkHecMetricsDestinationType:
+      default: splunk_hec_metrics
+      description: The destination type. Always `splunk_hec_metrics`.
+      enum:
+        - splunk_hec_metrics
+      example: splunk_hec_metrics
+      type: string
+      x-enum-varnames:
+        - SPLUNK_HEC_METRICS
     ObservabilityPipelineSplunkHecSource:
       description: |-
         The `splunk_hec` source implements the Splunk HTTP Event Collector (HEC) API.

api/datadogV2/model_observability_pipeline_config_destination_item.go

@@ -35,6 +35,7 @@ type ObservabilityPipelineConfigDestinationItem struct {
 	ObservabilityPipelineSyslogNgDestination               *ObservabilityPipelineSyslogNgDestination
 	ObservabilityPipelineDatabricksZerobusDestination      *ObservabilityPipelineDatabricksZerobusDestination
 	ObservabilityPipelineDatadogMetricsDestination         *ObservabilityPipelineDatadogMetricsDestination
+	ObservabilityPipelineSplunkHecMetricsDestination       *ObservabilityPipelineSplunkHecMetricsDestination
 
 	// UnparsedObject contains the raw value of the object if there was an error when deserializing into the struct
 	UnparsedObject interface{}
@@ -165,6 +166,11 @@ func ObservabilityPipelineDatadogMetricsDestinationAsObservabilityPipelineConfig
 	return ObservabilityPipelineConfigDestinationItem{ObservabilityPipelineDatadogMetricsDestination: v}
 }
 
+// ObservabilityPipelineSplunkHecMetricsDestinationAsObservabilityPipelineConfigDestinationItem is a convenience function that returns ObservabilityPipelineSplunkHecMetricsDestination wrapped in ObservabilityPipelineConfigDestinationItem.
+func ObservabilityPipelineSplunkHecMetricsDestinationAsObservabilityPipelineConfigDestinationItem(v *ObservabilityPipelineSplunkHecMetricsDestination) ObservabilityPipelineConfigDestinationItem {
+	return ObservabilityPipelineConfigDestinationItem{ObservabilityPipelineSplunkHecMetricsDestination: v}
+}
+
 // UnmarshalJSON turns data into one of the pointers in the struct.
 func (obj *ObservabilityPipelineConfigDestinationItem) UnmarshalJSON(data []byte) error {
 	var err error
@@ -594,6 +600,23 @@ func (obj *ObservabilityPipelineConfigDestinationItem) UnmarshalJSON(data []byte
 		obj.ObservabilityPipelineDatadogMetricsDestination = nil
 	}
 
+	// try to unmarshal data into ObservabilityPipelineSplunkHecMetricsDestination
+	err = datadog.Unmarshal(data, &obj.ObservabilityPipelineSplunkHecMetricsDestination)
+	if err == nil {
+		if obj.ObservabilityPipelineSplunkHecMetricsDestination != nil && obj.ObservabilityPipelineSplunkHecMetricsDestination.UnparsedObject == nil {
+			jsonObservabilityPipelineSplunkHecMetricsDestination, _ := datadog.Marshal(obj.ObservabilityPipelineSplunkHecMetricsDestination)
+			if string(jsonObservabilityPipelineSplunkHecMetricsDestination) == "{}" { // empty struct
+				obj.ObservabilityPipelineSplunkHecMetricsDestination = nil
+			} else {
+				match++
+			}
+		} else {
+			obj.ObservabilityPipelineSplunkHecMetricsDestination = nil
+		}
+	} else {
+		obj.ObservabilityPipelineSplunkHecMetricsDestination = nil
+	}
+
 	if match != 1 { // more than 1 match
 		// reset to nil
 		obj.ObservabilityPipelineElasticsearchDestination = nil
@@ -621,6 +644,7 @@ func (obj *ObservabilityPipelineConfigDestinationItem) UnmarshalJSON(data []byte
 		obj.ObservabilityPipelineSyslogNgDestination = nil
 		obj.ObservabilityPipelineDatabricksZerobusDestination = nil
 		obj.ObservabilityPipelineDatadogMetricsDestination = nil
+		obj.ObservabilityPipelineSplunkHecMetricsDestination = nil
 		return datadog.Unmarshal(data, &obj.UnparsedObject)
 	}
 	return nil // exactly one match
@@ -728,6 +752,10 @@ func (obj ObservabilityPipelineConfigDestinationItem) MarshalJSON() ([]byte, err
 		return datadog.Marshal(&obj.ObservabilityPipelineDatadogMetricsDestination)
 	}
 
+	if obj.ObservabilityPipelineSplunkHecMetricsDestination != nil {
+		return datadog.Marshal(&obj.ObservabilityPipelineSplunkHecMetricsDestination)
+	}
+
 	if obj.UnparsedObject != nil {
 		return datadog.Marshal(obj.UnparsedObject)
 	}
@@ -836,6 +864,10 @@ func (obj *ObservabilityPipelineConfigDestinationItem) GetActualInstance() inter
 		return obj.ObservabilityPipelineDatadogMetricsDestination
 	}
 
+	if obj.ObservabilityPipelineSplunkHecMetricsDestination != nil {
+		return obj.ObservabilityPipelineSplunkHecMetricsDestination
+	}
+
 	// all schemas are nil
 	return nil
 }