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from datetime import datetime, timedelta
from os import environ
import sys
from sentry_sdk.hub import Hub, _should_send_default_pii
from sentry_sdk.tracing import Transaction
from sentry_sdk._compat import reraise
from sentry_sdk.utils import (
AnnotatedValue,
capture_internal_exceptions,
event_from_exception,
logger,
TimeoutThread,
)
from sentry_sdk.integrations import Integration
from sentry_sdk.integrations._wsgi_common import _filter_headers
from sentry_sdk._types import MYPY
# Constants
TIMEOUT_WARNING_BUFFER = 1.5 # Buffer time required to send timeout warning to Sentry
MILLIS_TO_SECONDS = 1000.0
if MYPY:
from typing import Any
from typing import TypeVar
from typing import Callable
from typing import Optional
from sentry_sdk._types import EventProcessor, Event, Hint
F = TypeVar("F", bound=Callable[..., Any])
def _wrap_func(func):
# type: (F) -> F
def sentry_func(functionhandler, event, *args, **kwargs):
# type: (Any, Any, *Any, **Any) -> Any
hub = Hub.current
integration = hub.get_integration(GcpIntegration)
if integration is None:
return func(functionhandler, event, *args, **kwargs)
# If an integration is there, a client has to be there.
client = hub.client # type: Any
configured_time = environ.get("FUNCTION_TIMEOUT_SEC")
if not configured_time:
logger.debug(
"The configured timeout could not be fetched from Cloud Functions configuration."
)
return func(functionhandler, event, *args, **kwargs)
configured_time = int(configured_time)
initial_time = datetime.utcnow()
with hub.push_scope() as scope:
with capture_internal_exceptions():
scope.clear_breadcrumbs()
scope.add_event_processor(
_make_request_event_processor(event, configured_time, initial_time)
)
scope.set_tag("gcp_region", environ.get("FUNCTION_REGION"))
timeout_thread = None
if (
integration.timeout_warning
and configured_time > TIMEOUT_WARNING_BUFFER
):
waiting_time = configured_time - TIMEOUT_WARNING_BUFFER
timeout_thread = TimeoutThread(waiting_time, configured_time)
# Starting the thread to raise timeout warning exception
timeout_thread.start()
headers = {}
if hasattr(event, "headers"):
headers = event.headers
transaction = Transaction.continue_from_headers(
headers, op="serverless.function", name=environ.get("FUNCTION_NAME", "")
)
with hub.start_transaction(transaction):
try:
return func(functionhandler, event, *args, **kwargs)
except Exception:
exc_info = sys.exc_info()
event, hint = event_from_exception(
exc_info,
client_options=client.options,
mechanism={"type": "gcp", "handled": False},
)
hub.capture_event(event, hint=hint)
reraise(*exc_info)
finally:
if timeout_thread:
timeout_thread.stop()
# Flush out the event queue
hub.flush()
return sentry_func # type: ignore
class GcpIntegration(Integration):
identifier = "gcp"
def __init__(self, timeout_warning=False):
# type: (bool) -> None
self.timeout_warning = timeout_warning
@staticmethod
def setup_once():
# type: () -> None
import __main__ as gcp_functions # type: ignore
if not hasattr(gcp_functions, "worker_v1"):
logger.warning(
"GcpIntegration currently supports only Python 3.7 runtime environment."
)
return
worker1 = gcp_functions.worker_v1
worker1.FunctionHandler.invoke_user_function = _wrap_func(
worker1.FunctionHandler.invoke_user_function
)
def _make_request_event_processor(gcp_event, configured_timeout, initial_time):
# type: (Any, Any, Any) -> EventProcessor
def event_processor(event, hint):
# type: (Event, Hint) -> Optional[Event]
final_time = datetime.utcnow()
time_diff = final_time - initial_time
execution_duration_in_millis = time_diff.microseconds / MILLIS_TO_SECONDS
extra = event.setdefault("extra", {})
extra["google cloud functions"] = {
"function_name": environ.get("FUNCTION_NAME"),
"function_entry_point": environ.get("ENTRY_POINT"),
"function_identity": environ.get("FUNCTION_IDENTITY"),
"function_region": environ.get("FUNCTION_REGION"),
"function_project": environ.get("GCP_PROJECT"),
"execution_duration_in_millis": execution_duration_in_millis,
"configured_timeout_in_seconds": configured_timeout,
}
extra["google cloud logs"] = {
"url": _get_google_cloud_logs_url(final_time),
}
request = event.get("request", {})
request["url"] = "gcp:///{}".format(environ.get("FUNCTION_NAME"))
if hasattr(gcp_event, "method"):
request["method"] = gcp_event.method
if hasattr(gcp_event, "query_string"):
request["query_string"] = gcp_event.query_string.decode("utf-8")
if hasattr(gcp_event, "headers"):
request["headers"] = _filter_headers(gcp_event.headers)
if _should_send_default_pii():
if hasattr(gcp_event, "data"):
request["data"] = gcp_event.data
else:
if hasattr(gcp_event, "data"):
# Unfortunately couldn't find a way to get structured body from GCP
# event. Meaning every body is unstructured to us.
request["data"] = AnnotatedValue("", {"rem": [["!raw", "x", 0, 0]]})
event["request"] = request
return event
return event_processor
def _get_google_cloud_logs_url(final_time):
# type: (datetime) -> str
"""
Generates a Google Cloud Logs console URL based on the environment variables
Arguments:
final_time {datetime} -- Final time
Returns:
str -- Google Cloud Logs Console URL to logs.
"""
hour_ago = final_time - timedelta(hours=1)
formatstring = "%Y-%m-%dT%H:%M:%SZ"
url = (
"https://console.cloud.google.com/logs/viewer?project={project}&resource=cloud_function"
"%2Ffunction_name%2F{function_name}%2Fregion%2F{region}&minLogLevel=0&expandAll=false"
"×tamp={timestamp_end}&customFacets=&limitCustomFacetWidth=true"
"&dateRangeStart={timestamp_start}&dateRangeEnd={timestamp_end}"
"&interval=PT1H&scrollTimestamp={timestamp_end}"
).format(
project=environ.get("GCP_PROJECT"),
function_name=environ.get("FUNCTION_NAME"),
region=environ.get("FUNCTION_REGION"),
timestamp_end=final_time.strftime(formatstring),
timestamp_start=hour_ago.strftime(formatstring),
)
return url
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