default log location /var/log/paunch.log failes for non-root users

[Radoslaw Smigielski]

Paunch assumes default log location which is /var/log/paunch.log, if you run it as not root user every single commands fails with below error:

[radek][photon][±][master → origin U:2 ?:1 ✗][@venv.paunch][~/src/openstack/paunch]
$ paunch --debug list
[Errno 13] Permission denied: '/var/log/paunch.log'
Traceback (most recent call last):
  File "/home/radek/tmp/venv.paunch/lib/python2.7/site-packages/cliff/app.py", line 401, in run_subcommand
    result = cmd.run(parsed_args)
  File "/home/radek/tmp/venv.paunch/lib/python2.7/site-packages/cliff/display.py", line 116, in run
    column_names, data = self.take_action(parsed_args)
  File "/home/radek/src/openstack/paunch/paunch/cmd.py", line 331, in take_action
    __name__, log_level, log_file)
  File "/home/radek/src/openstack/paunch/paunch/utils/common.py", line 35, in configure_logging
    fhandler = logging.FileHandler(log_file)
  File "/usr/lib64/python2.7/logging/__init__.py", line 920, in __init__
    StreamHandler.__init__(self, self._open())
  File "/usr/lib64/python2.7/logging/__init__.py", line 950, in _open
    stream = open(self.baseFilename, self.mode)
IOError: [Errno 13] Permission denied: '/var/log/paunch.log'
Traceback (most recent call last):
  File "/home/radek/tmp/venv.paunch/bin/paunch", line 10, in <module>
    sys.exit(main())
  File "/home/radek/src/openstack/paunch/paunch/main.py", line 40, in main
    return myapp.run(argv)
  File "/home/radek/tmp/venv.paunch/lib/python2.7/site-packages/cliff/app.py", line 281, in run
    result = self.run_subcommand(remainder)
  File "/home/radek/tmp/venv.paunch/lib/python2.7/site-packages/cliff/app.py", line 401, in run_subcommand
    result = cmd.run(parsed_args)
  File "/home/radek/tmp/venv.paunch/lib/python2.7/site-packages/cliff/display.py", line 116, in run
    column_names, data = self.take_action(parsed_args)
  File "/home/radek/src/openstack/paunch/paunch/cmd.py", line 331, in take_action
    __name__, log_level, log_file)
  File "/home/radek/src/openstack/paunch/paunch/utils/common.py", line 35, in configure_logging
    fhandler = logging.FileHandler(log_file)
  File "/usr/lib64/python2.7/logging/__init__.py", line 920, in __init__
    StreamHandler.__init__(self, self._open())
  File "/usr/lib64/python2.7/logging/__init__.py", line 950, in _open
    stream = open(self.baseFilename, self.mode)
IOError: [Errno 13] Permission denied: '/var/log/paunch.log'

[OpenStack Infra (hudson-openstack)]

This issue was fixed in the openstack/paunch 4.2.0 release.