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First draft to add support for logs being optional. #248

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First draft to add support for logs being optional. #248

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44 changes: 26 additions & 18 deletions test/parameterized/utils/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,14 +4,13 @@

import testflows.settings as settings

from contextlib import contextmanager
from contextlib import contextmanager, ExitStack
from testflows.core import note, exception, fail
from testflows.connect import Shell

clickhouse_log_path = os.getenv("CLICKHOUSE_LOG", "/var/log/clickhouse-server/clickhouse-server.log")
odbc_driver_trace_log_path = os.getenv("ODBC_DRIVER_TRACE_LOG", "/tmp/clickhouse-odbc-driver-trace.log")
odbc_driver_w_trace_log_path = os.getenv("ODBC_DRIVER_W_TRACE_LOG", "/tmp/clickhouse-odbc-driver-w-trace.log")
odbc_manager_trace_log_path = os.getenv("ODBC_MANAGER_TRACE_LOG", "/tmp/odbc-driver-manager-trace.log")
clickhouse_log_path = os.getenv("CLICKHOUSE_SERVER_LOG", None)
odbc_driver_log_path = os.getenv("ODBC_DRIVER_LOG", None)
odbc_manager_trace_log_path = os.getenv("ODBC_MANAGER_TRACE_LOG", None)

@contextmanager
def Logs():
Expand All @@ -28,20 +27,29 @@ def read(self, timeout=None):
if not settings.debug:
yield None
else:
with Shell(name="clickhouse-server.log") as bash0, \
Shell(name="odbc-driver-trace.log") as bash1, \
Shell(name="odbc-driver-w-trace.log") as bash2, \
Shell(name="odbc-manager-trace.log") as bash3:
with ExitStack as bash_stack:
bash0, bash1, bash2 = None, None, None

if clickhouse_log_path:
bash0 = bash_stack.enter_context(Shell(name="clickhouse-server-log"))

if odbc_driver_log_path:
bash1 = bash_stack.enter_context(Shell(name="odbc-driver-log"))
bash1(f"touch {odbc_driver_log_path}")

if odbc_manager_trace_log_path:
bash2 = bash_stack.enter_context(Shell(name="odbc-manager-trace-log"))
bash2(f"touch {odbc_manager_trace_log_path}")

bash1(f"touch {odbc_driver_trace_log_path}")
bash2(f"touch {odbc_driver_w_trace_log_path}")
bash3(f"touch {odbc_manager_trace_log_path}")

with bash0(f"tail -f {clickhouse_log_path}", asyncronous=True, name="") as clickhouse_log, \
bash1(f"tail -f {odbc_driver_trace_log_path}", asyncronous=True, name="") as odbc_driver_log, \
bash2(f"tail -f {odbc_driver_w_trace_log_path}", asyncronous=True, name="") as odbc_driver_w_log, \
bash3(f"tail -f {odbc_manager_trace_log_path}", asyncronous=True, name="") as odbc_manager_log:
logs = _Logs(clickhouse_log, odbc_driver_log, odbc_driver_w_log, odbc_manager_log)
with ExitStack as logs_stack:
_logs = []
if bash0:
_logs.append(logs_stack.enter_context(bash0(f"tail -f {clickhouse_log_path}", asyncronous=True, name="")))
if bash1:
_logs.append(logs_stack.enter_context(bash1(f"tail -f {odbc_driver_log_path}", asyncronous=True, name="")))
if bash2:
_logs.append(logs_stack.enter_context(bash2(f"tail -f {odbc_manager_trace_log_path}", asyncronous=True, name="")))
logs = _Logs(*_logs)
logs.read()
yield logs

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