test(telemetry): Telemetry Tests (#3805)
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# What does this PR do?
Adds a test and a standardized way to build future tests out for
telemetry in llama stack.
Contributes to https://github.com/llamastack/llama-stack/issues/3806

## Test Plan
This is the test plan 😎
This commit is contained in:
Emilio Garcia 2025-10-17 13:43:33 -04:00 committed by GitHub
parent 224c99560c
commit 943558af36
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
11 changed files with 9452 additions and 3 deletions

View file

@ -79,7 +79,6 @@ class TelemetryAdapter(Telemetry):
metrics.set_meter_provider(metric_provider)
self.meter = metrics.get_meter(__name__)
self._lock = _global_lock
async def initialize(self) -> None:

View file

@ -70,7 +70,7 @@ def trace_protocol[T](cls: type[T]) -> type[T]:
"__class__": class_name,
"__method__": method_name,
"__type__": span_type,
"__args__": str(combined_args),
"__args__": json.dumps(combined_args),
}
return class_name, method_name, span_attributes
@ -82,8 +82,8 @@ def trace_protocol[T](cls: type[T]) -> type[T]:
class_name, method_name, span_attributes = create_span_context(self, *args, **kwargs)
with tracing.span(f"{class_name}.{method_name}", span_attributes) as span:
count = 0
try:
count = 0
async for item in method(self, *args, **kwargs):
yield item
count += 1

View file

@ -0,0 +1,506 @@
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"content": "You are a helpful assistant"
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"content": "What is 2 + 2?"
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View file

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@ -0,0 +1,95 @@
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
"""Telemetry test configuration using OpenTelemetry SDK exporters.
This conftest provides in-memory telemetry collection for library_client mode only.
Tests using these fixtures should skip in server mode since the in-memory collector
cannot access spans from a separate server process.
"""
from typing import Any
import opentelemetry.metrics as otel_metrics
import opentelemetry.trace as otel_trace
import pytest
from opentelemetry import metrics, trace
from opentelemetry.sdk.metrics import MeterProvider
from opentelemetry.sdk.metrics.export import InMemoryMetricReader
from opentelemetry.sdk.trace import ReadableSpan, TracerProvider
from opentelemetry.sdk.trace.export import SimpleSpanProcessor
from opentelemetry.sdk.trace.export.in_memory_span_exporter import InMemorySpanExporter
import llama_stack.providers.inline.telemetry.meta_reference.telemetry as telemetry_module
from llama_stack.testing.api_recorder import patch_httpx_for_test_id
from tests.integration.fixtures.common import instantiate_llama_stack_client
class TestCollector:
def __init__(self, span_exp, metric_read):
assert span_exp and metric_read
self.span_exporter = span_exp
self.metric_reader = metric_read
def get_spans(self) -> tuple[ReadableSpan, ...]:
return self.span_exporter.get_finished_spans()
def get_metrics(self) -> Any | None:
metrics = self.metric_reader.get_metrics_data()
if metrics and metrics.resource_metrics:
return metrics.resource_metrics[0].scope_metrics[0].metrics
return None
def clear(self) -> None:
self.span_exporter.clear()
self.metric_reader.get_metrics_data()
@pytest.fixture(scope="session")
def _telemetry_providers():
"""Set up in-memory OTEL providers before llama_stack_client initializes."""
# Reset set-once flags to allow re-initialization
if hasattr(otel_trace, "_TRACER_PROVIDER_SET_ONCE"):
otel_trace._TRACER_PROVIDER_SET_ONCE._done = False # type: ignore
if hasattr(otel_metrics, "_METER_PROVIDER_SET_ONCE"):
otel_metrics._METER_PROVIDER_SET_ONCE._done = False # type: ignore
# Create in-memory exporters/readers
span_exporter = InMemorySpanExporter()
tracer_provider = TracerProvider()
tracer_provider.add_span_processor(SimpleSpanProcessor(span_exporter))
trace.set_tracer_provider(tracer_provider)
metric_reader = InMemoryMetricReader()
meter_provider = MeterProvider(metric_readers=[metric_reader])
metrics.set_meter_provider(meter_provider)
# Set module-level provider so TelemetryAdapter uses our in-memory providers
telemetry_module._TRACER_PROVIDER = tracer_provider
yield (span_exporter, metric_reader, tracer_provider, meter_provider)
telemetry_module._TRACER_PROVIDER = None
tracer_provider.shutdown()
meter_provider.shutdown()
@pytest.fixture(scope="session")
def llama_stack_client(_telemetry_providers, request):
"""Override llama_stack_client to ensure in-memory telemetry providers are used."""
patch_httpx_for_test_id()
client = instantiate_llama_stack_client(request.session)
return client
@pytest.fixture
def mock_otlp_collector(_telemetry_providers):
"""Provides access to telemetry data and clears between tests."""
span_exporter, metric_reader, _, _ = _telemetry_providers
collector = TestCollector(span_exporter, metric_reader)
yield collector
collector.clear()

View file

@ -0,0 +1,57 @@
{
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"headers": {},
"body": {
"model": "llama3.2:3b-instruct-fp16",
"messages": [
{
"role": "user",
"content": "Test OpenAI telemetry creation"
}
],
"stream": false
},
"endpoint": "/v1/chat/completions",
"model": "llama3.2:3b-instruct-fp16"
},
"response": {
"body": {
"__type__": "openai.types.chat.chat_completion.ChatCompletion",
"__data__": {
"id": "rec-0de60cd6a6ec",
"choices": [
{
"finish_reason": "stop",
"index": 0,
"logprobs": null,
"message": {
"content": "I'm happy to help you with setting up and testing OpenAI's telemetry creation.\n\nOpenAI provides a feature called \"Telemetry\" which allows developers to collect data about their users' interactions with the model. To test this feature, we need to create a simple application that uses the OpenAI API and sends telemetry data to their servers.\n\nHere's an example code in Python that demonstrates how to create a simple telemetry creator:\n\n```python\nimport os\nfrom openai.api import API\n\n# Initialize the OpenAI API client\napi = API(os.environ['OPENAI_API_KEY'])\n\ndef create_user():\n # Create a new user entity\n user_entity = {\n 'id': 'user-123',\n 'name': 'John Doe',\n 'email': 'john.doe@example.com'\n }\n \n # Send the user creation request to OpenAI\n response = api.users.create(user_entity)\n print(f\"User created: {response}\")\n\ndef create_transaction():\n # Create a new transaction entity\n transaction_entity = {\n 'id': 'tran-123',\n 'user_id': 'user-123',\n 'transaction_type': 'query'\n }\n \n # Send the transaction creation request to OpenAI\n response = api.transactions.create(transaction_entity)\n print(f\"Transaction created: {response}\")\n\ndef send_telemetry_data():\n # Create a new telemetry event entity\n telemetry_event_entity = {\n 'id': 'telem-123',\n 'transaction_id': 'tran-123',\n 'data': '{ \"event\": \"test\", \"user_id\": 1 }'\n }\n \n # Send the telemetry data to OpenAI\n response = api.telemetry.create(telemetry_event_entity)\n print(f\"Telemetry event sent: {response}\")\n\n# Test the telemetry creation\ncreate_user()\ncreate_transaction()\nsend_telemetry_data()\n```\n\nMake sure you replace `OPENAI_API_KEY` with your actual API key. Also, ensure that you have the OpenAI API client library installed by running `pip install openai`.\n\nOnce you've created the test code, run it and observe the behavior of the telemetry creation process.\n\nPlease let me know if you need further modifications or assistance!",
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"prompt_tokens": 30,
"total_tokens": 490,
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}
}
},
"is_streaming": false
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}

View file

@ -0,0 +1,59 @@
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{
"role": "user",
"content": "Test trace openai with temperature 0.7"
}
],
"max_tokens": 100,
"stream": false,
"temperature": 0.7
},
"endpoint": "/v1/chat/completions",
"model": "llama3.2:3b-instruct-fp16"
},
"response": {
"body": {
"__type__": "openai.types.chat.chat_completion.ChatCompletion",
"__data__": {
"id": "rec-1fcfd86d8111",
"choices": [
{
"finish_reason": "length",
"index": 0,
"logprobs": null,
"message": {
"content": "import torch\nfrom transformers import AutoModelForCausalLM, AutoTokenizer\n\n# Load the pre-trained model and tokenizer\nmodel_name = \"CompVis/transformers-base-uncased\"\nmodel = AutoModelForCausalLM.from_pretrained(model_name)\ntokenizer = AutoTokenizer.from_pretrained(model_name)\n\n# Set the temperature to 0.7\ntemperature = 0.7\n\n# Define a function to generate text\ndef generate_text(prompt, max_length=100):\n input",
"refusal": null,
"role": "assistant",
"annotations": null,
"audio": null,
"function_call": null,
"tool_calls": null
}
}
],
"created": 0,
"model": "llama3.2:3b-instruct-fp16",
"object": "chat.completion",
"service_tier": null,
"system_fingerprint": "fp_ollama",
"usage": {
"completion_tokens": 100,
"prompt_tokens": 35,
"total_tokens": 135,
"completion_tokens_details": null,
"prompt_tokens_details": null
}
}
},
"is_streaming": false
}
}

View file

@ -0,0 +1,59 @@
{
"test_id": "tests/integration/telemetry/test_completions.py::test_telemetry_format_completeness[txt=llama3.2:3b-instruct-fp16]",
"request": {
"method": "POST",
"url": "http://localhost:11434/v1/v1/chat/completions",
"headers": {},
"body": {
"model": "llama3.2:3b-instruct-fp16",
"messages": [
{
"role": "user",
"content": "Test trace openai with temperature 0.7"
}
],
"max_tokens": 100,
"stream": false,
"temperature": 0.7
},
"endpoint": "/v1/chat/completions",
"model": "llama3.2:3b-instruct-fp16"
},
"response": {
"body": {
"__type__": "openai.types.chat.chat_completion.ChatCompletion",
"__data__": {
"id": "rec-dba5042d6691",
"choices": [
{
"finish_reason": "length",
"index": 0,
"logprobs": null,
"message": {
"content": "To test the \"trace\" functionality of OpenAI's GPT-4 model at a temperature of 0.7, you can follow these steps:\n\n1. First, make sure you have an account with OpenAI and have been granted access to their API.\n\n2. You will need to install the `transformers` library, which is the official library for working with Transformers models like GPT-4:\n\n ```bash\npip install transformers\n```\n\n3. Next, import the necessary",
"refusal": null,
"role": "assistant",
"annotations": null,
"audio": null,
"function_call": null,
"tool_calls": null
}
}
],
"created": 0,
"model": "llama3.2:3b-instruct-fp16",
"object": "chat.completion",
"service_tier": null,
"system_fingerprint": "fp_ollama",
"usage": {
"completion_tokens": 100,
"prompt_tokens": 35,
"total_tokens": 135,
"completion_tokens_details": null,
"prompt_tokens_details": null
}
}
},
"is_streaming": false
}
}

View file

@ -0,0 +1,112 @@
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under the terms described in the LICENSE file in
# the root directory of this source tree.
"""Telemetry tests verifying @trace_protocol decorator format using in-memory exporter."""
import json
import os
import pytest
pytestmark = pytest.mark.skipif(
os.environ.get("LLAMA_STACK_TEST_STACK_CONFIG_TYPE") == "server",
reason="In-memory telemetry tests only work in library_client mode (server mode runs in separate process)",
)
def test_streaming_chunk_count(mock_otlp_collector, llama_stack_client, text_model_id):
"""Verify streaming adds chunk_count and __type__=async_generator."""
stream = llama_stack_client.chat.completions.create(
model=text_model_id,
messages=[{"role": "user", "content": "Test trace openai 1"}],
stream=True,
)
chunks = list(stream)
assert len(chunks) > 0
spans = mock_otlp_collector.get_spans()
assert len(spans) > 0
chunk_count = None
for span in spans:
if span.attributes.get("__type__") == "async_generator":
chunk_count = span.attributes.get("chunk_count")
if chunk_count:
chunk_count = int(chunk_count)
break
assert chunk_count is not None
assert chunk_count == len(chunks)
def test_telemetry_format_completeness(mock_otlp_collector, llama_stack_client, text_model_id):
"""Comprehensive validation of telemetry data format including spans and metrics."""
response = llama_stack_client.chat.completions.create(
model=text_model_id,
messages=[{"role": "user", "content": "Test trace openai with temperature 0.7"}],
temperature=0.7,
max_tokens=100,
stream=False,
)
# Handle both dict and Pydantic model for usage
# This occurs due to the replay system returning a dict for usage, but the client returning a Pydantic model
# TODO: Fix this by making the replay system return a Pydantic model for usage
usage = response.usage if isinstance(response.usage, dict) else response.usage.model_dump()
assert usage.get("prompt_tokens") and usage["prompt_tokens"] > 0
assert usage.get("completion_tokens") and usage["completion_tokens"] > 0
assert usage.get("total_tokens") and usage["total_tokens"] > 0
# Verify spans
spans = mock_otlp_collector.get_spans()
assert len(spans) == 5
# we only need this captured one time
logged_model_id = None
for span in spans:
attrs = span.attributes
assert attrs is not None
# Root span is created manually by tracing middleware, not by @trace_protocol decorator
is_root_span = attrs.get("__root__") is True
if is_root_span:
# Root spans have different attributes
assert attrs.get("__location__") in ["library_client", "server"]
else:
# Non-root spans are created by @trace_protocol decorator
assert attrs.get("__autotraced__")
assert attrs.get("__class__") and attrs.get("__method__")
assert attrs.get("__type__") in ["async", "sync", "async_generator"]
args = json.loads(attrs["__args__"])
if "model_id" in args:
logged_model_id = args["model_id"]
assert logged_model_id is not None
assert logged_model_id == text_model_id
# TODO: re-enable this once metrics get fixed
"""
# Verify token usage metrics in response
metrics = mock_otlp_collector.get_metrics()
assert metrics
for metric in metrics:
assert metric.name in ["completion_tokens", "total_tokens", "prompt_tokens"]
assert metric.unit == "tokens"
assert metric.data.data_points and len(metric.data.data_points) == 1
match metric.name:
case "completion_tokens":
assert metric.data.data_points[0].value == usage["completion_tokens"]
case "total_tokens":
assert metric.data.data_points[0].value == usage["total_tokens"]
case "prompt_tokens":
assert metric.data.data_points[0].value == usage["prompt_tokens"
"""