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Provide nonroot guidance when logging gets EACCES.

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This commit is contained in:
Jacob Hoffman-Andrews 2016-06-13 11:53:32 -07:00
parent 45e47f6d84
commit f8a07a8f46
1 changed files with 11 additions and 2 deletions
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13
certbot/main.py
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@ -1,6 +1,7 @@
"""Certbot main entry point."""
from __future__ import print_function
import atexit
import errno
import functools
import logging.handlers
import os
@ -588,8 +589,16 @@ def renew(config, unused_plugins):
def setup_log_file_handler(config, logfile, fmt):
"""Setup file debug logging."""
log_file_path = os.path.join(config.logs_dir, logfile)
handler = logging.handlers.RotatingFileHandler(
log_file_path, maxBytes=2 ** 20, backupCount=10)
try:
handler = logging.handlers.RotatingFileHandler(
log_file_path, maxBytes=2 ** 20, backupCount=10)
except IOError as e:
if e.errno == errno.EACCES:
msg = ("Access denied writing to {0}. To run as non-root, set " +
"--logs-dir, --config-dir, --work-dir to writable paths.")
raise errors.Error(msg.format(log_file_path))
else:
raise
# rotate on each invocation, rollover only possible when maxBytes
# is nonzero and backupCount is nonzero, so we set maxBytes as big
# as possible not to overrun in single CLI invocation (1MB).