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import sys
from functools import wraps
import sentry_sdk
from sentry_sdk.integrations import DidNotEnable, Integration
from sentry_sdk.integrations._wsgi_common import _filter_headers
from sentry_sdk.integrations.aws_lambda import _make_request_event_processor
from sentry_sdk.traces import (
SpanStatus,
StreamedSpan,
get_current_span,
)
from sentry_sdk.tracing import TransactionSource
from sentry_sdk.tracing_utils import has_span_streaming_enabled
from sentry_sdk.utils import (
capture_internal_exceptions,
event_from_exception,
parse_version,
reraise,
)
try:
import chalice # type: ignore
from chalice import Chalice, ChaliceViewError
from chalice import __version__ as CHALICE_VERSION
from chalice.app import ( # type: ignore
EventSourceHandler as ChaliceEventSourceHandler,
)
except ImportError:
raise DidNotEnable("Chalice is not installed")
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Any, Callable, Dict, TypeVar
F = TypeVar("F", bound=Callable[..., Any])
class EventSourceHandler(ChaliceEventSourceHandler): # type: ignore
def __call__(self, event: "Any", context: "Any") -> "Any":
client = sentry_sdk.get_client()
with sentry_sdk.isolation_scope() as scope:
with capture_internal_exceptions():
configured_time = context.get_remaining_time_in_millis()
scope.add_event_processor(
_make_request_event_processor(event, context, configured_time)
)
try:
return ChaliceEventSourceHandler.__call__(self, event, context)
except Exception:
exc_info = sys.exc_info()
event, hint = event_from_exception(
exc_info,
client_options=client.options,
mechanism={"type": "chalice", "handled": False},
)
sentry_sdk.capture_event(event, hint=hint)
client.flush()
reraise(*exc_info)
def _get_view_function_response(
app: "Any", view_function: "F", function_args: "Any"
) -> "F":
@wraps(view_function)
def wrapped_view_function(**function_args: "Any") -> "Any":
client = sentry_sdk.get_client()
with sentry_sdk.isolation_scope() as scope:
with capture_internal_exceptions():
configured_time = app.lambda_context.get_remaining_time_in_millis()
scope.add_event_processor(
_make_request_event_processor(
app.current_request.to_dict(),
app.lambda_context,
configured_time,
)
)
if has_span_streaming_enabled(client.options):
current_span = get_current_span()
segment = None
if type(current_span) is StreamedSpan:
# A segment already exists (created by the AWS Lambda
# integration), so decorate it with Chalice attributes
# The AWS Lambda integration owns the span lifecycle
# (end + flush), but Chalice converts unhandled view exceptions
# into 500 responses, so the error must be captured here.
request_dict = app.current_request.to_dict()
headers = request_dict.get("headers", {})
header_attrs: "Dict[str, Any]" = {}
for header, value in _filter_headers(
headers, use_annotated_value=False
).items():
header_attrs[f"http.request.header.{header.lower()}"] = value
additional_attrs: "Dict[str, Any]" = {}
if "method" in request_dict:
additional_attrs["http.request.method"] = request_dict["method"]
attributes = {
"sentry.origin": ChaliceIntegration.origin,
**header_attrs,
**additional_attrs,
}
segment = current_span._segment
segment.set_attributes(attributes)
try:
return view_function(**function_args)
except Exception as exc:
if isinstance(exc, ChaliceViewError):
raise
exc_info = sys.exc_info()
if segment:
segment.status = SpanStatus.ERROR.value
sentry_event, hint = event_from_exception(
exc_info,
client_options=client.options,
mechanism={"type": "chalice", "handled": False},
)
sentry_sdk.capture_event(sentry_event, hint=hint)
if segment is None:
client.flush()
raise
else:
scope.set_transaction_name(
app.lambda_context.function_name,
source=TransactionSource.COMPONENT,
)
try:
return view_function(**function_args)
except Exception as exc:
if isinstance(exc, ChaliceViewError):
raise
exc_info = sys.exc_info()
sentry_event, hint = event_from_exception(
exc_info,
client_options=client.options,
mechanism={"type": "chalice", "handled": False},
)
sentry_sdk.capture_event(sentry_event, hint=hint)
client.flush()
raise
return wrapped_view_function # type: ignore
class ChaliceIntegration(Integration):
identifier = "chalice"
origin = f"auto.function.{identifier}"
@staticmethod
def setup_once() -> None:
version = parse_version(CHALICE_VERSION)
if version is None:
raise DidNotEnable("Unparsable Chalice version: {}".format(CHALICE_VERSION))
if version < (1, 20):
old_get_view_function_response = Chalice._get_view_function_response
else:
from chalice.app import RestAPIEventHandler
old_get_view_function_response = (
RestAPIEventHandler._get_view_function_response
)
def sentry_event_response(
app: "Any", view_function: "F", function_args: "Dict[str, Any]"
) -> "Any":
wrapped_view_function = _get_view_function_response(
app, view_function, function_args
)
return old_get_view_function_response(
app, wrapped_view_function, function_args
)
if version < (1, 20):
Chalice._get_view_function_response = sentry_event_response
else:
RestAPIEventHandler._get_view_function_response = sentry_event_response
# for everything else (like events)
chalice.app.EventSourceHandler = EventSourceHandler