from __future__ import absolute_import
from sentry_sdk._compat import text_type
from sentry_sdk._types import TYPE_CHECKING
from sentry_sdk.consts import SPANDATA
from sentry_sdk.hub import Hub
from sentry_sdk.integrations import Integration, DidNotEnable
from sentry_sdk.tracing_utils import record_sql_queries
from sentry_sdk.utils import parse_version
try:
from sqlalchemy.engine import Engine # type: ignore
from sqlalchemy.event import listen # type: ignore
from sqlalchemy import __version__ as SQLALCHEMY_VERSION # type: ignore
except ImportError:
raise DidNotEnable("SQLAlchemy not installed.")
if TYPE_CHECKING:
from typing import Any
from typing import ContextManager
from typing import Optional
from sentry_sdk.tracing import Span
class SqlalchemyIntegration(Integration):
identifier = "sqlalchemy"
@staticmethod
def setup_once():
# type: () -> None
version = parse_version(SQLALCHEMY_VERSION)
if version is None:
raise DidNotEnable(
"Unparsable SQLAlchemy version: {}".format(SQLALCHEMY_VERSION)
)
if version < (1, 2):
raise DidNotEnable("SQLAlchemy 1.2 or newer required.")
listen(Engine, "before_cursor_execute", _before_cursor_execute)
listen(Engine, "after_cursor_execute", _after_cursor_execute)
listen(Engine, "handle_error", _handle_error)
def _before_cursor_execute(
conn, cursor, statement, parameters, context, executemany, *args
):
# type: (Any, Any, Any, Any, Any, bool, *Any) -> None
hub = Hub.current
if hub.get_integration(SqlalchemyIntegration) is None:
return
ctx_mgr = record_sql_queries(
hub,
cursor,
statement,
parameters,
paramstyle=context and context.dialect and context.dialect.paramstyle or None,
executemany=executemany,
)
context._sentry_sql_span_manager = ctx_mgr
span = ctx_mgr.__enter__()
if span is not None:
_set_db_data(span, conn)
context._sentry_sql_span = span
def _after_cursor_execute(conn, cursor, statement, parameters, context, *args):
# type: (Any, Any, Any, Any, Any, *Any) -> None
ctx_mgr = getattr(
context, "_sentry_sql_span_manager", None
) # type: Optional[ContextManager[Any]]
if ctx_mgr is not None:
context._sentry_sql_span_manager = None
ctx_mgr.__exit__(None, None, None)
def _handle_error(context, *args):
# type: (Any, *Any) -> None
execution_context = context.execution_context
if execution_context is None:
return
span = getattr(execution_context, "_sentry_sql_span", None) # type: Optional[Span]
if span is not None:
span.set_status("internal_error")
# _after_cursor_execute does not get called for crashing SQL stmts. Judging
# from SQLAlchemy codebase it does seem like any error coming into this
# handler is going to be fatal.
ctx_mgr = getattr(
execution_context, "_sentry_sql_span_manager", None
) # type: Optional[ContextManager[Any]]
if ctx_mgr is not None:
execution_context._sentry_sql_span_manager = None
ctx_mgr.__exit__(None, None, None)
# See: https://docs.sqlalchemy.org/en/20/dialects/index.html
def _get_db_system(name):
# type: (str) -> Optional[str]
name = text_type(name)
if "sqlite" in name:
return "sqlite"
if "postgres" in name:
return "postgresql"
if "mariadb" in name:
return "mariadb"
if "mysql" in name:
return "mysql"
if "oracle" in name:
return "oracle"
return None
def _set_db_data(span, conn):
# type: (Span, Any) -> None
db_system = _get_db_system(conn.engine.name)
if db_system is not None:
span.set_data(SPANDATA.DB_SYSTEM, db_system)
db_name = conn.engine.url.database
if db_name is not None:
span.set_data(SPANDATA.DB_NAME, db_name)
server_address = conn.engine.url.host
if server_address is not None:
span.set_data(SPANDATA.SERVER_ADDRESS, server_address)
server_port = conn.engine.url.port
if server_port is not None:
span.set_data(SPANDATA.SERVER_PORT, server_port)
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