Permission error on logdirectory in Ubuntu 18.10

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I have a python daemon program that wants to write logs to /var/log/xxxxx/yyyy



The daemon is started with start-stop-daemon with the option chuid to the unprivileged user.



However when I start the program it will crash with a Permission error on the write to the logfile. This will happen even if I set the permissions of the directories to 777.



I have given the proper permissions for the unprivileged user. I have checked this by su to the user and writing a file in the log directory. This works OK.
Furthermore I have checked that it is actually the proper user that is running the program. This also checks out correctly.
Also I checked if it was a problem with start-stop-daemon, so I started the program manually from the user tm7. This gives the same problem.
Finally the program will run if started as root.



Jan 03 08:56:09 testlinux testde[13205]:  * Starting DataExtractor tm7 carp suite
Jan 03 08:56:09 testlinux systemd-resolved[574]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
Jan 03 08:56:09 testlinux testde[13205]: sourcedir /opt/tm7/dataextractor/src
Jan 03 08:56:09 testlinux testde[13205]: sys.path is ['/opt/tm7/dataextractor/src', '/opt/tm7/dataextractor', '/opt/tm7/dataextractor/src', '/opt/tm7/venv/dataextractor/lib/python36.zip', '/opt/tm7/
Jan 03 08:56:09 testlinux testde[13205]: Collector started with config /etc/tm7/Customers/Sparq/config.yml
Jan 03 08:56:09 testlinux testde[13205]: Config setup started with customer Sparq and file None
Jan 03 08:56:09 testlinux testde[13205]: get definition directory
Jan 03 08:56:09 testlinux testde[13205]: Definition directory: /etc/tm7/Customers
Jan 03 08:56:09 testlinux testde[13205]: ******* tm7 Start dataextractor_main version developer Logging in /var/log/collector using /etc/tm7/Customers/generic/logger.ini
Jan 03 08:56:09 testlinux testde[13205]: Traceback (most recent call last):
Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 72, in <module>
Jan 03 08:56:09 testlinux testde[13205]: main()
Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 64, in main
Jan 03 08:56:09 testlinux testde[13205]: setup_loggers('main')
Jan 03 08:56:09 testlinux testde[13205]: File "/opt/tm7/dataextractor/src/utils/SetUpLog.py", line 94, in setup_loggers
Jan 03 08:56:09 testlinux testde[13205]: fileConfig(logconf, defaults=None, disable_existing_loggers=False)
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 84, in fileConfig
Jan 03 08:56:09 testlinux testde[13205]: handlers = _install_handlers(cp, formatters)
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 148, in _install_handlers
Jan 03 08:56:09 testlinux testde[13205]: h = klass(*args)
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 150, in __init__
Jan 03 08:56:09 testlinux testde[13205]: BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 57, in __init__
Jan 03 08:56:09 testlinux testde[13205]: logging.FileHandler.__init__(self, filename, mode, encoding, delay)
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1032, in __init__
Jan 03 08:56:09 testlinux testde[13205]: StreamHandler.__init__(self, self._open())
Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1061, in _open
Jan 03 08:56:09 testlinux testde[13205]: return open(self.baseFilename, self.mode, encoding=self.encoding)
Jan 03 08:56:09 testlinux testde[13205]: PermissionError: [Errno 13] Permission denied: '/var/log/collector/collector-main.log'
Jan 03 08:56:09 testlinux systemd[1]: testde.service: Control process exited, code=exited status=1
Jan 03 08:56:09 testlinux systemd[1]: testde.service: Failed with result 'exit-code'.
Jan 03 08:56:09 testlinux systemd[1]: Failed to start LSB: DataExtractor.
-- Subject: Unit testde.service has failed
-- Defined-By: systemd
--









share|improve this question



























    1















    I have a python daemon program that wants to write logs to /var/log/xxxxx/yyyy



    The daemon is started with start-stop-daemon with the option chuid to the unprivileged user.



    However when I start the program it will crash with a Permission error on the write to the logfile. This will happen even if I set the permissions of the directories to 777.



    I have given the proper permissions for the unprivileged user. I have checked this by su to the user and writing a file in the log directory. This works OK.
    Furthermore I have checked that it is actually the proper user that is running the program. This also checks out correctly.
    Also I checked if it was a problem with start-stop-daemon, so I started the program manually from the user tm7. This gives the same problem.
    Finally the program will run if started as root.



    Jan 03 08:56:09 testlinux testde[13205]:  * Starting DataExtractor tm7 carp suite
    Jan 03 08:56:09 testlinux systemd-resolved[574]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
    Jan 03 08:56:09 testlinux testde[13205]: sourcedir /opt/tm7/dataextractor/src
    Jan 03 08:56:09 testlinux testde[13205]: sys.path is ['/opt/tm7/dataextractor/src', '/opt/tm7/dataextractor', '/opt/tm7/dataextractor/src', '/opt/tm7/venv/dataextractor/lib/python36.zip', '/opt/tm7/
    Jan 03 08:56:09 testlinux testde[13205]: Collector started with config /etc/tm7/Customers/Sparq/config.yml
    Jan 03 08:56:09 testlinux testde[13205]: Config setup started with customer Sparq and file None
    Jan 03 08:56:09 testlinux testde[13205]: get definition directory
    Jan 03 08:56:09 testlinux testde[13205]: Definition directory: /etc/tm7/Customers
    Jan 03 08:56:09 testlinux testde[13205]: ******* tm7 Start dataextractor_main version developer Logging in /var/log/collector using /etc/tm7/Customers/generic/logger.ini
    Jan 03 08:56:09 testlinux testde[13205]: Traceback (most recent call last):
    Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 72, in <module>
    Jan 03 08:56:09 testlinux testde[13205]: main()
    Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 64, in main
    Jan 03 08:56:09 testlinux testde[13205]: setup_loggers('main')
    Jan 03 08:56:09 testlinux testde[13205]: File "/opt/tm7/dataextractor/src/utils/SetUpLog.py", line 94, in setup_loggers
    Jan 03 08:56:09 testlinux testde[13205]: fileConfig(logconf, defaults=None, disable_existing_loggers=False)
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 84, in fileConfig
    Jan 03 08:56:09 testlinux testde[13205]: handlers = _install_handlers(cp, formatters)
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 148, in _install_handlers
    Jan 03 08:56:09 testlinux testde[13205]: h = klass(*args)
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 150, in __init__
    Jan 03 08:56:09 testlinux testde[13205]: BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 57, in __init__
    Jan 03 08:56:09 testlinux testde[13205]: logging.FileHandler.__init__(self, filename, mode, encoding, delay)
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1032, in __init__
    Jan 03 08:56:09 testlinux testde[13205]: StreamHandler.__init__(self, self._open())
    Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1061, in _open
    Jan 03 08:56:09 testlinux testde[13205]: return open(self.baseFilename, self.mode, encoding=self.encoding)
    Jan 03 08:56:09 testlinux testde[13205]: PermissionError: [Errno 13] Permission denied: '/var/log/collector/collector-main.log'
    Jan 03 08:56:09 testlinux systemd[1]: testde.service: Control process exited, code=exited status=1
    Jan 03 08:56:09 testlinux systemd[1]: testde.service: Failed with result 'exit-code'.
    Jan 03 08:56:09 testlinux systemd[1]: Failed to start LSB: DataExtractor.
    -- Subject: Unit testde.service has failed
    -- Defined-By: systemd
    --









    share|improve this question

























      1












      1








      1








      I have a python daemon program that wants to write logs to /var/log/xxxxx/yyyy



      The daemon is started with start-stop-daemon with the option chuid to the unprivileged user.



      However when I start the program it will crash with a Permission error on the write to the logfile. This will happen even if I set the permissions of the directories to 777.



      I have given the proper permissions for the unprivileged user. I have checked this by su to the user and writing a file in the log directory. This works OK.
      Furthermore I have checked that it is actually the proper user that is running the program. This also checks out correctly.
      Also I checked if it was a problem with start-stop-daemon, so I started the program manually from the user tm7. This gives the same problem.
      Finally the program will run if started as root.



      Jan 03 08:56:09 testlinux testde[13205]:  * Starting DataExtractor tm7 carp suite
      Jan 03 08:56:09 testlinux systemd-resolved[574]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
      Jan 03 08:56:09 testlinux testde[13205]: sourcedir /opt/tm7/dataextractor/src
      Jan 03 08:56:09 testlinux testde[13205]: sys.path is ['/opt/tm7/dataextractor/src', '/opt/tm7/dataextractor', '/opt/tm7/dataextractor/src', '/opt/tm7/venv/dataextractor/lib/python36.zip', '/opt/tm7/
      Jan 03 08:56:09 testlinux testde[13205]: Collector started with config /etc/tm7/Customers/Sparq/config.yml
      Jan 03 08:56:09 testlinux testde[13205]: Config setup started with customer Sparq and file None
      Jan 03 08:56:09 testlinux testde[13205]: get definition directory
      Jan 03 08:56:09 testlinux testde[13205]: Definition directory: /etc/tm7/Customers
      Jan 03 08:56:09 testlinux testde[13205]: ******* tm7 Start dataextractor_main version developer Logging in /var/log/collector using /etc/tm7/Customers/generic/logger.ini
      Jan 03 08:56:09 testlinux testde[13205]: Traceback (most recent call last):
      Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 72, in <module>
      Jan 03 08:56:09 testlinux testde[13205]: main()
      Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 64, in main
      Jan 03 08:56:09 testlinux testde[13205]: setup_loggers('main')
      Jan 03 08:56:09 testlinux testde[13205]: File "/opt/tm7/dataextractor/src/utils/SetUpLog.py", line 94, in setup_loggers
      Jan 03 08:56:09 testlinux testde[13205]: fileConfig(logconf, defaults=None, disable_existing_loggers=False)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 84, in fileConfig
      Jan 03 08:56:09 testlinux testde[13205]: handlers = _install_handlers(cp, formatters)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 148, in _install_handlers
      Jan 03 08:56:09 testlinux testde[13205]: h = klass(*args)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 150, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 57, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: logging.FileHandler.__init__(self, filename, mode, encoding, delay)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1032, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: StreamHandler.__init__(self, self._open())
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1061, in _open
      Jan 03 08:56:09 testlinux testde[13205]: return open(self.baseFilename, self.mode, encoding=self.encoding)
      Jan 03 08:56:09 testlinux testde[13205]: PermissionError: [Errno 13] Permission denied: '/var/log/collector/collector-main.log'
      Jan 03 08:56:09 testlinux systemd[1]: testde.service: Control process exited, code=exited status=1
      Jan 03 08:56:09 testlinux systemd[1]: testde.service: Failed with result 'exit-code'.
      Jan 03 08:56:09 testlinux systemd[1]: Failed to start LSB: DataExtractor.
      -- Subject: Unit testde.service has failed
      -- Defined-By: systemd
      --









      share|improve this question














      I have a python daemon program that wants to write logs to /var/log/xxxxx/yyyy



      The daemon is started with start-stop-daemon with the option chuid to the unprivileged user.



      However when I start the program it will crash with a Permission error on the write to the logfile. This will happen even if I set the permissions of the directories to 777.



      I have given the proper permissions for the unprivileged user. I have checked this by su to the user and writing a file in the log directory. This works OK.
      Furthermore I have checked that it is actually the proper user that is running the program. This also checks out correctly.
      Also I checked if it was a problem with start-stop-daemon, so I started the program manually from the user tm7. This gives the same problem.
      Finally the program will run if started as root.



      Jan 03 08:56:09 testlinux testde[13205]:  * Starting DataExtractor tm7 carp suite
      Jan 03 08:56:09 testlinux systemd-resolved[574]: Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP.
      Jan 03 08:56:09 testlinux testde[13205]: sourcedir /opt/tm7/dataextractor/src
      Jan 03 08:56:09 testlinux testde[13205]: sys.path is ['/opt/tm7/dataextractor/src', '/opt/tm7/dataextractor', '/opt/tm7/dataextractor/src', '/opt/tm7/venv/dataextractor/lib/python36.zip', '/opt/tm7/
      Jan 03 08:56:09 testlinux testde[13205]: Collector started with config /etc/tm7/Customers/Sparq/config.yml
      Jan 03 08:56:09 testlinux testde[13205]: Config setup started with customer Sparq and file None
      Jan 03 08:56:09 testlinux testde[13205]: get definition directory
      Jan 03 08:56:09 testlinux testde[13205]: Definition directory: /etc/tm7/Customers
      Jan 03 08:56:09 testlinux testde[13205]: ******* tm7 Start dataextractor_main version developer Logging in /var/log/collector using /etc/tm7/Customers/generic/logger.ini
      Jan 03 08:56:09 testlinux testde[13205]: Traceback (most recent call last):
      Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 72, in <module>
      Jan 03 08:56:09 testlinux testde[13205]: main()
      Jan 03 08:56:09 testlinux testde[13205]: File "src/main.py", line 64, in main
      Jan 03 08:56:09 testlinux testde[13205]: setup_loggers('main')
      Jan 03 08:56:09 testlinux testde[13205]: File "/opt/tm7/dataextractor/src/utils/SetUpLog.py", line 94, in setup_loggers
      Jan 03 08:56:09 testlinux testde[13205]: fileConfig(logconf, defaults=None, disable_existing_loggers=False)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 84, in fileConfig
      Jan 03 08:56:09 testlinux testde[13205]: handlers = _install_handlers(cp, formatters)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/config.py", line 148, in _install_handlers
      Jan 03 08:56:09 testlinux testde[13205]: h = klass(*args)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 150, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: BaseRotatingHandler.__init__(self, filename, mode, encoding, delay)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/handlers.py", line 57, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: logging.FileHandler.__init__(self, filename, mode, encoding, delay)
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1032, in __init__
      Jan 03 08:56:09 testlinux testde[13205]: StreamHandler.__init__(self, self._open())
      Jan 03 08:56:09 testlinux testde[13205]: File "/usr/lib/python3.6/logging/__init__.py", line 1061, in _open
      Jan 03 08:56:09 testlinux testde[13205]: return open(self.baseFilename, self.mode, encoding=self.encoding)
      Jan 03 08:56:09 testlinux testde[13205]: PermissionError: [Errno 13] Permission denied: '/var/log/collector/collector-main.log'
      Jan 03 08:56:09 testlinux systemd[1]: testde.service: Control process exited, code=exited status=1
      Jan 03 08:56:09 testlinux systemd[1]: testde.service: Failed with result 'exit-code'.
      Jan 03 08:56:09 testlinux systemd[1]: Failed to start LSB: DataExtractor.
      -- Subject: Unit testde.service has failed
      -- Defined-By: systemd
      --






      python-3.x ubuntu






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      asked Jan 3 at 9:14









      Dick KniepDick Kniep

      30418




      30418
























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          I 'll answer my own question.



          Reading well is an underestimated virtue......
          It tries to write to /var/log/collector, while all my effort has been directed to /var/log/tm7/collector.



          Hope you didn't waste too much time on this useless question......






          share|improve this answer























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            1 Answer
            1






            active

            oldest

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            active

            oldest

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            active

            oldest

            votes









            0














            I 'll answer my own question.



            Reading well is an underestimated virtue......
            It tries to write to /var/log/collector, while all my effort has been directed to /var/log/tm7/collector.



            Hope you didn't waste too much time on this useless question......






            share|improve this answer




























              0














              I 'll answer my own question.



              Reading well is an underestimated virtue......
              It tries to write to /var/log/collector, while all my effort has been directed to /var/log/tm7/collector.



              Hope you didn't waste too much time on this useless question......






              share|improve this answer


























                0












                0








                0







                I 'll answer my own question.



                Reading well is an underestimated virtue......
                It tries to write to /var/log/collector, while all my effort has been directed to /var/log/tm7/collector.



                Hope you didn't waste too much time on this useless question......






                share|improve this answer













                I 'll answer my own question.



                Reading well is an underestimated virtue......
                It tries to write to /var/log/collector, while all my effort has been directed to /var/log/tm7/collector.



                Hope you didn't waste too much time on this useless question......







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered Jan 7 at 10:38









                Dick KniepDick Kniep

                30418




                30418
































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