ref(relay): Remove transaction extraction config

src/sentry/relay/config/__init__.py

@@ -7,7 +7,6 @@
 from typing import Any, Literal, NotRequired, TypedDict
 
 import sentry_sdk
-from sentry_sdk import capture_exception
 
 from sentry import features, killswitches, options, quotas, utils
 from sentry.constants import (
@@ -51,8 +50,6 @@
 from sentry.utils.http import get_origins
 from sentry.utils.options import sample_modulo
 
-from .measurements import CUSTOM_MEASUREMENT_LIMIT
-
 # These features will be listed in the project config.
 EXPOSABLE_FEATURES = [
     "organizations:continuous-profiling",
@@ -1049,14 +1046,6 @@ def _get_project_config(
     add_experimental_config(config, "metrics", get_metrics_config, project)
 
     if _should_extract_transaction_metrics(project):
-        add_experimental_config(
-            config,
-            "transactionMetrics",
-            get_transaction_metrics_settings,
-            project,
-            config.get("breakdownsV2"),
-        )
-
         # This config key is technically not specific to _transaction_ metrics,
         # is however currently both only applied to transaction metrics in
         # Relay, and only used to tag transaction metrics in Sentry.
@@ -1285,67 +1274,9 @@ def _filter_option_to_config_setting(flt: _FilterSpec, setting: str) -> Mapping[
     return ret_val
 
 
-#: Version of the transaction metrics extraction.
-#: When you increment this version, outdated Relays will stop extracting
-#: transaction metrics.
-#: See https://github.com/getsentry/relay/blob/6181c6e80b9485ed394c40bc860586ae934704e2/relay-dynamic-config/src/metrics.rs#L85
-TRANSACTION_METRICS_EXTRACTION_VERSION = 6
-
-
-class CustomMeasurementSettings(TypedDict):
-    limit: int
-
-
-TransactionNameStrategy = Literal["strict", "clientBased"]
-
-
-class TransactionMetricsSettings(TypedDict):
-    version: int
-    extractCustomTags: list[str]
-    customMeasurements: CustomMeasurementSettings
-    acceptTransactionNames: TransactionNameStrategy
-
-
 def _should_extract_transaction_metrics(project: Project) -> bool:
     return features.has(
         "organizations:transaction-metrics-extraction", project.organization
     ) and not killswitches.killswitch_matches_context(
         "relay.drop-transaction-metrics", {"project_id": project.id}
     )
-
-
-def get_transaction_metrics_settings(
-    timeout: TimeChecker, project: Project, breakdowns_config: Mapping[str, Any] | None
-) -> TransactionMetricsSettings:
-    """This function assumes that the corresponding feature flag has been checked.
-    See _should_extract_transaction_metrics.
-    """
-    custom_tags: list[str] = []
-
-    if breakdowns_config is not None:
-        # we already have a breakdown configuration that tells relay which
-        # breakdowns to compute for an event. metrics extraction should
-        # probably be in sync with that, or at least not extract more metrics
-        # than there are breakdowns configured.
-        try:
-            for _, breakdown_config in breakdowns_config.items():
-                assert breakdown_config["type"] == "spanOperations"
-
-        except Exception:
-            capture_exception()
-
-    # Tells relay which user-defined tags to add to each extracted
-    # transaction metric.  This cannot include things such as `os.name`
-    # which are computed on the server, they have to come from the SDK as
-    # event tags.
-    try:
-        custom_tags.extend(project.get_option("sentry:transaction_metrics_custom_tags") or ())
-    except Exception:
-        capture_exception()
-
-    return {
-        "version": TRANSACTION_METRICS_EXTRACTION_VERSION,
-        "extractCustomTags": custom_tags,
-        "customMeasurements": {"limit": CUSTOM_MEASUREMENT_LIMIT},
-        "acceptTransactionNames": "clientBased",
-    }

tests/sentry/relay/snapshots/test_config/test_project_config_with_breakdown/MONOLITH/with_metrics.pysnap

@@ -915,9 +915,3 @@ metricConditionalTagging:
   - d:transactions/measurements.fcp@millisecond
   - d:transactions/measurements.lcp@millisecond
   targetTag: histogram_outlier
-transactionMetrics:
-  acceptTransactionNames: clientBased
-  customMeasurements:
-    limit: 10
-  extractCustomTags: []
-  version: 3

tests/sentry/relay/snapshots/test_config/test_project_config_with_breakdown/MONOLITH/without_metrics.pysnap

@@ -13,4 +13,3 @@ breakdownsV2:
     - ui
     type: spanOperations
 metricConditionalTagging: null
-transactionMetrics: null

tests/sentry/relay/snapshots/test_config/test_project_config_with_breakdown/REGION/with_metrics.pysnap

@@ -46,9 +46,3 @@ metricConditionalTagging:
   - d:transactions/measurements.lcp@millisecond
   - s:transactions/user@none
   targetTag: satisfaction
-transactionMetrics:
-  acceptTransactionNames: clientBased
-  customMeasurements:
-    limit: 10
-  extractCustomTags: []
-  version: 6

tests/sentry/relay/snapshots/test_config/test_project_config_with_breakdown/REGION/without_metrics.pysnap

@@ -13,4 +13,3 @@ breakdownsV2:
     - ui
     type: spanOperations
 metricConditionalTagging: null
-transactionMetrics: null

tests/sentry/relay/test_config.py

@@ -152,26 +152,6 @@ def test_get_experimental_config_dyn_sampling(mock_logger, _, default_project) -
     assert mock_logger.exception.call_args == mock.call(ANY)
 
 
-@django_db_all
-@cell_silo_test
-@mock.patch("sentry.relay.config.capture_exception")
-def test_get_experimental_config_transaction_metrics_exception(
-    mock_capture_exception, default_project
-):
-    keys = ProjectKey.objects.filter(project=default_project)
-    default_project.update_option("sentry:breakdowns", {"invalid_breakdowns": "test"})
-    # wrong type
-    default_project.update_option("sentry:transaction_metrics_custom_tags", 42)
-
-    with Feature({"organizations:transaction-metrics-extraction": True}):
-        cfg = get_project_config(default_project, project_keys=keys)
-
-    config = cfg.to_dict()["config"]
-
-    assert config["transactionMetrics"]["extractCustomTags"] == []
-    assert mock_capture_exception.call_count == 2
-
-
 @django_db_all
 @cell_silo_test
 @pytest.mark.parametrize("has_custom_filters", [False, True])
@@ -539,7 +519,6 @@ def test_project_config_with_breakdown(
     insta_snapshot(
         {
             "breakdownsV2": cfg["config"]["breakdownsV2"],
-            "transactionMetrics": cfg["config"].get("transactionMetrics"),
             "metricConditionalTagging": cfg["config"].get("metricConditionalTagging"),
         }
     )
@@ -606,52 +585,6 @@ def test_project_config_satisfaction_thresholds(
     insta_snapshot(cfg["config"]["metricConditionalTagging"])
 
 
-@django_db_all
-@cell_silo_test
-@pytest.mark.parametrize("feature_flag", (False, True), ids=("feature_disabled", "feature_enabled"))
-@pytest.mark.parametrize(
-    "killswitch", (False, True), ids=("killswitch_disabled", "killswitch_enabled")
-)
-def test_has_metric_extraction(default_project, feature_flag, killswitch) -> None:
-    options = override_options(
-        {
-            "relay.drop-transaction-metrics": (
-                [{"project_id": default_project.id}] if killswitch else []
-            )
-        }
-    )
-    feature = Feature(
-        {
-            "organizations:transaction-metrics-extraction": feature_flag,
-        }
-    )
-    with feature, options:
-        project_config = get_project_config(default_project)
-        config = project_config.to_dict()["config"]
-        _validate_project_config(config)
-        if killswitch or not feature_flag:
-            assert "transactionMetrics" not in config
-        else:
-            config = config["transactionMetrics"]
-            assert config["customMeasurements"]["limit"] > 0
-
-
-@django_db_all
-def test_accept_transaction_names(default_project) -> None:
-    feature = Feature(
-        {
-            "organizations:transaction-metrics-extraction": True,
-        }
-    )
-    with feature:
-        config = get_project_config(default_project).to_dict()["config"]
-
-        _validate_project_config(config)
-        transaction_metrics_config = config["transactionMetrics"]
-
-        assert transaction_metrics_config["acceptTransactionNames"] == "clientBased"
-
-
 @pytest.mark.parametrize("num_clusterer_runs", [9, 10])
 @django_db_all
 def test_txnames_ready(default_project, num_clusterer_runs) -> None: