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from __future__ import absolute_import
from sentry_sdk import Hub
from sentry_sdk.consts import OP, SPANDATA
from sentry_sdk.hub import _should_send_default_pii
from sentry_sdk.utils import (
SENSITIVE_DATA_SUBSTITUTE,
capture_internal_exceptions,
logger,
)
from sentry_sdk.integrations import Integration, DidNotEnable
from sentry_sdk._types import TYPE_CHECKING
if TYPE_CHECKING:
from typing import Any, Sequence
from sentry_sdk.tracing import Span
_SINGLE_KEY_COMMANDS = frozenset(
["decr", "decrby", "get", "incr", "incrby", "pttl", "set", "setex", "setnx", "ttl"]
)
_MULTI_KEY_COMMANDS = frozenset(["del", "touch", "unlink"])
_COMMANDS_INCLUDING_SENSITIVE_DATA = [
"auth",
]
_MAX_NUM_ARGS = 10 # Trim argument lists to this many values
_MAX_NUM_COMMANDS = 10 # Trim command lists to this many values
_DEFAULT_MAX_DATA_SIZE = 1024
def _get_safe_command(name, args):
# type: (str, Sequence[Any]) -> str
command_parts = [name]
for i, arg in enumerate(args):
if i > _MAX_NUM_ARGS:
break
name_low = name.lower()
if name_low in _COMMANDS_INCLUDING_SENSITIVE_DATA:
command_parts.append(SENSITIVE_DATA_SUBSTITUTE)
continue
arg_is_the_key = i == 0
if arg_is_the_key:
command_parts.append(repr(arg))
else:
if _should_send_default_pii():
command_parts.append(repr(arg))
else:
command_parts.append(SENSITIVE_DATA_SUBSTITUTE)
command = " ".join(command_parts)
return command
def _set_pipeline_data(
span, is_cluster, get_command_args_fn, is_transaction, command_stack
):
# type: (Span, bool, Any, bool, Sequence[Any]) -> None
span.set_tag("redis.is_cluster", is_cluster)
transaction = is_transaction if not is_cluster else False
span.set_tag("redis.transaction", transaction)
commands = []
for i, arg in enumerate(command_stack):
if i >= _MAX_NUM_COMMANDS:
break
command = get_command_args_fn(arg)
commands.append(_get_safe_command(command[0], command[1:]))
span.set_data(
"redis.commands",
{
"count": len(command_stack),
"first_ten": commands,
},
)
def patch_redis_pipeline(pipeline_cls, is_cluster, get_command_args_fn):
# type: (Any, bool, Any) -> None
old_execute = pipeline_cls.execute
def sentry_patched_execute(self, *args, **kwargs):
# type: (Any, *Any, **Any) -> Any
hub = Hub.current
if hub.get_integration(RedisIntegration) is None:
return old_execute(self, *args, **kwargs)
with hub.start_span(
op=OP.DB_REDIS, description="redis.pipeline.execute"
) as span:
with capture_internal_exceptions():
_set_pipeline_data(
span,
is_cluster,
get_command_args_fn,
self.transaction,
self.command_stack,
)
span.set_data(SPANDATA.DB_SYSTEM, "redis")
return old_execute(self, *args, **kwargs)
pipeline_cls.execute = sentry_patched_execute
def _get_redis_command_args(command):
# type: (Any) -> Sequence[Any]
return command[0]
def _parse_rediscluster_command(command):
# type: (Any) -> Sequence[Any]
return command.args
def _patch_redis(StrictRedis, client): # noqa: N803
# type: (Any, Any) -> None
patch_redis_client(StrictRedis, is_cluster=False)
patch_redis_pipeline(client.Pipeline, False, _get_redis_command_args)
try:
strict_pipeline = client.StrictPipeline
except AttributeError:
pass
else:
patch_redis_pipeline(strict_pipeline, False, _get_redis_command_args)
try:
import redis.asyncio
except ImportError:
pass
else:
from sentry_sdk.integrations.redis.asyncio import (
patch_redis_async_client,
patch_redis_async_pipeline,
)
patch_redis_async_client(redis.asyncio.client.StrictRedis)
patch_redis_async_pipeline(redis.asyncio.client.Pipeline)
def _patch_rb():
# type: () -> None
try:
import rb.clients # type: ignore
except ImportError:
pass
else:
patch_redis_client(rb.clients.FanoutClient, is_cluster=False)
patch_redis_client(rb.clients.MappingClient, is_cluster=False)
patch_redis_client(rb.clients.RoutingClient, is_cluster=False)
def _patch_rediscluster():
# type: () -> None
try:
import rediscluster # type: ignore
except ImportError:
return
patch_redis_client(rediscluster.RedisCluster, is_cluster=True)
# up to v1.3.6, __version__ attribute is a tuple
# from v2.0.0, __version__ is a string and VERSION a tuple
version = getattr(rediscluster, "VERSION", rediscluster.__version__)
# StrictRedisCluster was introduced in v0.2.0 and removed in v2.0.0
# https://github.com/Grokzen/redis-py-cluster/blob/master/docs/release-notes.rst
if (0, 2, 0) < version < (2, 0, 0):
pipeline_cls = rediscluster.pipeline.StrictClusterPipeline
patch_redis_client(rediscluster.StrictRedisCluster, is_cluster=True)
else:
pipeline_cls = rediscluster.pipeline.ClusterPipeline
patch_redis_pipeline(pipeline_cls, True, _parse_rediscluster_command)
class RedisIntegration(Integration):
identifier = "redis"
def __init__(self, max_data_size=_DEFAULT_MAX_DATA_SIZE):
# type: (int) -> None
self.max_data_size = max_data_size
@staticmethod
def setup_once():
# type: () -> None
try:
from redis import StrictRedis, client
except ImportError:
raise DidNotEnable("Redis client not installed")
_patch_redis(StrictRedis, client)
_patch_rb()
try:
_patch_rediscluster()
except Exception:
logger.exception("Error occurred while patching `rediscluster` library")
def _get_span_description(name, *args):
# type: (str, *Any) -> str
description = name
with capture_internal_exceptions():
description = _get_safe_command(name, args)
return description
def _set_client_data(span, is_cluster, name, *args):
# type: (Span, bool, str, *Any) -> None
span.set_data(SPANDATA.DB_SYSTEM, "redis")
span.set_tag("redis.is_cluster", is_cluster)
if name:
span.set_tag("redis.command", name)
span.set_tag(SPANDATA.DB_OPERATION, name)
if name and args:
name_low = name.lower()
if (name_low in _SINGLE_KEY_COMMANDS) or (
name_low in _MULTI_KEY_COMMANDS and len(args) == 1
):
span.set_tag("redis.key", args[0])
def patch_redis_client(cls, is_cluster):
# type: (Any, bool) -> None
"""
This function can be used to instrument custom redis client classes or
subclasses.
"""
old_execute_command = cls.execute_command
def sentry_patched_execute_command(self, name, *args, **kwargs):
# type: (Any, str, *Any, **Any) -> Any
hub = Hub.current
integration = hub.get_integration(RedisIntegration)
if integration is None:
return old_execute_command(self, name, *args, **kwargs)
description = _get_span_description(name, *args)
data_should_be_truncated = (
integration.max_data_size and len(description) > integration.max_data_size
)
if data_should_be_truncated:
description = description[: integration.max_data_size - len("...")] + "..."
with hub.start_span(op=OP.DB_REDIS, description=description) as span:
_set_client_data(span, is_cluster, name, *args)
return old_execute_command(self, name, *args, **kwargs)
cls.execute_command = sentry_patched_execute_command
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