Files
mongo/buildscripts/resmokelib/hang_analyzer/extractor.py

57 lines
1.9 KiB
Python

"""Extracts `mongo-debugsymbols.tgz` in an idempotent manner for performance."""
import glob
import os
import tarfile
import time
from buildscripts.resmokelib.setup_multiversion.download import DownloadError
from buildscripts.resmokelib.run import compare_start_time
from buildscripts.resmokelib.utils.filesystem import build_hygienic_bin_path
_DEBUG_FILE_BASE_NAMES = ['mongo', 'mongod', 'mongos']
def download_debug_symbols(root_logger, symbolizer):
"""
Extract debug symbols. Idempotent.
:param root_logger: logger to use
:param symbolizer: pre-configured instance of symbolizer for downloading symbols.
:return: None
"""
retry_secs = 10
# Check if the files are already there. They would be on *SAN builds.
sym_files = _get_symbol_files()
if len(sym_files) >= len(_DEBUG_FILE_BASE_NAMES):
root_logger.info(
"Skipping downloading debug symbols as there are already symbol files present")
return
while True:
try:
symbolizer.execute()
break
except (tarfile.ReadError, DownloadError):
root_logger.info("Debug symbols unavailable after %s secs, retrying in %s secs",
compare_start_time(time.time()), retry_secs)
time.sleep(retry_secs)
ten_min = 10 * 60
if compare_start_time(time.time()) > ten_min:
root_logger.info(
'Debug-symbols archive-file does not exist after %s secs; '
'Hang-Analyzer may not complete successfully.', ten_min)
break
def _get_symbol_files():
out = []
for ext in ['debug', 'dSYM', 'pdb']:
for file in _DEBUG_FILE_BASE_NAMES:
haystack = build_hygienic_bin_path(child='{file}.{ext}'.format(file=file, ext=ext))
for needle in glob.glob(haystack):
out.append((needle, os.path.join(os.getcwd(), os.path.basename(needle))))
return out