Expose use_legacy_search_syntax flag in the Observability Pipelines API (#3130)

Co-authored-by: ci.datadog-api-spec <packages@datadoghq.com>

Author: api-clients-generation-pipeline[bot]

.generator/schemas/v2/openapi.yaml

@@ -37916,6 +37916,18 @@ components:
           items:
             $ref: '#/components/schemas/ObservabilityPipelineConfigSourceItem'
           type: array
+        use_legacy_search_syntax:
+          description: 'Set to `true` to continue using the legacy search syntax while
+            migrating filter queries. After migrating all queries to the new syntax,
+            set to `false`.
+
+            The legacy syntax is deprecated and will eventually be removed.
+
+            Requires Observability Pipelines Worker 2.11 or later.
+
+            See [Upgrade Your Filter Queries to the New Search Syntax](https://docs.datadoghq.com/observability_pipelines/guide/upgrade_your_filter_queries_to_the_new_search_syntax/)
+            for more information.'
+          type: boolean
       required:
       - sources
       - destinations

src/datadog_api_client/v2/model/observability_pipeline_config.py

@@ -152,6 +152,7 @@ def openapi_types(_):
             "processor_groups": ([ObservabilityPipelineConfigProcessorGroup],),
             "processors": ([ObservabilityPipelineConfigProcessorGroup],),
             "sources": ([ObservabilityPipelineConfigSourceItem],),
+            "use_legacy_search_syntax": (bool,),
         }
 
     attribute_map = {
@@ -160,6 +161,7 @@ def openapi_types(_):
         "processor_groups": "processor_groups",
         "processors": "processors",
         "sources": "sources",
+        "use_legacy_search_syntax": "use_legacy_search_syntax",
     }
 
     def __init__(
@@ -217,6 +219,7 @@ def __init__(
         pipeline_type: Union[ObservabilityPipelineConfigPipelineType, UnsetType] = unset,
         processor_groups: Union[List[ObservabilityPipelineConfigProcessorGroup], UnsetType] = unset,
         processors: Union[List[ObservabilityPipelineConfigProcessorGroup], UnsetType] = unset,
+        use_legacy_search_syntax: Union[bool, UnsetType] = unset,
         **kwargs,
     ):
         """
@@ -238,13 +241,21 @@ def __init__(
 
         :param sources: A list of configured data sources for the pipeline.
         :type sources: [ObservabilityPipelineConfigSourceItem]
+
+        :param use_legacy_search_syntax: Set to ``true`` to continue using the legacy search syntax while migrating filter queries. After migrating all queries to the new syntax, set to ``false``.
+            The legacy syntax is deprecated and will eventually be removed.
+            Requires Observability Pipelines Worker 2.11 or later.
+            See `Upgrade Your Filter Queries to the New Search Syntax <https://docs.datadoghq.com/observability_pipelines/guide/upgrade_your_filter_queries_to_the_new_search_syntax/>`_ for more information.
+        :type use_legacy_search_syntax: bool, optional
         """
         if pipeline_type is not unset:
             kwargs["pipeline_type"] = pipeline_type
         if processor_groups is not unset:
             kwargs["processor_groups"] = processor_groups
         if processors is not unset:
             kwargs["processors"] = processors
+        if use_legacy_search_syntax is not unset:
+            kwargs["use_legacy_search_syntax"] = use_legacy_search_syntax
         super().__init__(kwargs)
 
         self_.destinations = destinations