feat(ray): Create Ray integration

The integration includes performance support. Also, add tests for the integration.

Closes #2400

scripts/split-tox-gh-actions/split-tox-gh-actions.py

@@ -74,6 +74,7 @@
         "langchain",
         "openai",
         "huggingface_hub",
+        "ray",
         "rq",
     ],
     "Databases": [

sentry_sdk/integrations/ray.py

@@ -0,0 +1,85 @@
+from sentry_sdk.integrations import DidNotEnable, Integration
+
+try:
+    import ray  # type: ignore[import-not-found]
+except ImportError:
+    raise DidNotEnable("Ray not installed.")
+import functools
+
+from sentry_sdk.tracing import TRANSACTION_SOURCE_TASK
+import logging
+import sentry_sdk
+from importlib.metadata import version
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    from collections.abc import Callable
+    from typing import Any, Optional
+
+
+def _check_sentry_initialized():
+    # type: () -> None
+    if sentry_sdk.Hub.current.client:
+        return
+    # we cannot use sentry sdk logging facilities because it wasn't initialized
+    logger = logging.getLogger("sentry_sdk.errors")
+    logger.warning(
+        "[Tracing] Sentry not initialized in ray cluster worker, performance data will be discarded."
+    )
+
+
+def _patch_ray_remote():
+    # type: () -> None
+    old_remote = ray.remote
+
+    @functools.wraps(old_remote)
+    def new_remote(f, *args, **kwargs):
+        # type: (Callable[..., Any], *Any, **Any) -> Callable[..., Any]
+        def _f(*f_args, _tracing=None, **f_kwargs):
+            # type: (Any, Optional[dict[str, Any]],  Any) -> Any
+            _check_sentry_initialized()
+            transaction = None
+            if _tracing is not None:
+                transaction = sentry_sdk.continue_trace(
+                    _tracing,
+                    op="ray.remote.receive",
+                    source=TRANSACTION_SOURCE_TASK,
+                    name="Ray worker transaction",
+                )
+            with sentry_sdk.start_transaction(transaction) as tx:
+                result = f(*f_args, **f_kwargs)
+                tx.set_status("ok")
+                return result
+
+        rv = old_remote(_f, *args, *kwargs)
+        old_remote_method = rv.remote
+
+        def _remote_method_with_header_propagation(*args, **kwargs):
+            # type: (*Any, **Any) -> Any
+            with sentry_sdk.start_span(
+                op="ray.remote.send", description="Sending task to ray cluster."
+            ):
+                tracing = {
+                    k: v
+                    for k, v in sentry_sdk.Hub.current.iter_trace_propagation_headers()
+                }
+                return old_remote_method(*args, **kwargs, _tracing=tracing)
+
+        rv.remote = _remote_method_with_header_propagation
+
+        return rv
+
+    ray.remote = new_remote
+    return
+
+
+class RayIntegration(Integration):
+    identifier = "ray"
+
+    @staticmethod
+    def setup_once():
+        # type: () -> None
+        if tuple(int(x) for x in version("ray").split(".")) < (2, 7, 0):
+            raise DidNotEnable("Ray 2.7.0 or newer required")
+        _patch_ray_remote()

tests/integrations/ray/__init__.py

@@ -0,0 +1,3 @@
+import pytest
+
+pytest.importorskip("ray")

tests/integrations/ray/test_ray.py

@@ -0,0 +1,57 @@
+import time
+
+import ray
+
+import sentry_sdk
+from sentry_sdk.envelope import Envelope
+from sentry_sdk.integrations.ray import RayIntegration
+from tests.conftest import TestTransport
+
+
+class RayTestTransport(TestTransport):
+    def __init__(self):
+        self.events = []
+        self.envelopes = []
+        super().__init__(self.events.append, self.envelopes.append)
+
+
+def _setup_ray_sentry():
+    sentry_sdk.init(
+        traces_sample_rate=1.0,
+        integrations=[RayIntegration()],
+        transport=RayTestTransport(),
+    )
+
+
+def test_ray():
+    _setup_ray_sentry()
+
+    @ray.remote
+    def _task():
+        with sentry_sdk.start_span(op="task", description="example task step"):
+            time.sleep(0.1)
+        return sentry_sdk.Hub.current.client.transport.envelopes
+
+    ray.init(
+        runtime_env=dict(worker_process_setup_hook=_setup_ray_sentry, working_dir="./")
+    )
+
+    with sentry_sdk.start_transaction(op="task", name="ray test transaction"):
+        worker_envelopes = ray.get(_task.remote())
+
+    _assert_envelopes_are_associated_with_same_trace_id(
+        sentry_sdk.Hub.current.client.transport.envelopes[0], worker_envelopes[0]
+    )
+
+
+def _assert_envelopes_are_associated_with_same_trace_id(
+    client_side_envelope: Envelope, worker_envelope: Envelope
+):
+    client_side_envelope_dict = client_side_envelope.get_transaction_event()
+    worker_envelope_dict = worker_envelope.get_transaction_event()
+    trace_id = client_side_envelope_dict["contexts"]["trace"]["trace_id"]
+    for span in client_side_envelope_dict["spans"]:
+        assert span["trace_id"] == trace_id
+    for span in worker_envelope_dict["spans"]:
+        assert span["trace_id"] == trace_id
+    assert worker_envelope_dict["contexts"]["trace"]["trace_id"] == trace_id

tox.ini

@@ -185,6 +185,9 @@ envlist =
     {py3.8,py3.11,py3.12}-quart-v{0.19}
     {py3.8,py3.11,py3.12}-quart-latest
 
+    # Ray
+    {py3.10,py3.11}-ray
+
     # Redis
     {py3.6,py3.8}-redis-v{3}
     {py3.7,py3.8,py3.11}-redis-v{4}
@@ -494,6 +497,9 @@ deps =
     pyramid-v2.0: pyramid~=2.0.0
     pyramid-latest: pyramid
 
+    # Ray
+    ray: ray>=2.7.0
+
     # Quart
     quart: quart-auth
     quart: pytest-asyncio
@@ -638,6 +644,7 @@ setenv =
     pymongo: TESTPATH=tests/integrations/pymongo
     pyramid: TESTPATH=tests/integrations/pyramid
     quart: TESTPATH=tests/integrations/quart
+    ray: TESTPATH=tests/integrations/ray
     redis: TESTPATH=tests/integrations/redis
     rediscluster: TESTPATH=tests/integrations/rediscluster
     requests: TESTPATH=tests/integrations/requests