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If an extension's log directory is deleted by users, WALinuxAgent fails and exists with the following error. Some customers are cleaning up /var/log directory to reclaim space and are inadvertently deleting the /var/log/azure folder. Agent should handle this gracefully.
This is the error thrown.
2017/07/17 10:18:56.439857 INFO WALinuxAgent-2.2.10 did not terminate cleanly
2017/07/17 10:18:56.439962 ERROR Event: name=WALinuxAgent, op=Restart, message=WALinuxAgent-2.2.10 did not terminate cleanly
2017/07/17 10:18:56.510020 WARNING Agent WALinuxAgent-2.2.12 is blacklisted - skipping download
2017/07/17 10:18:56.510858 WARNING Agent WALinuxAgent-2.2.13 is blacklisted - skipping download
2017/07/17 10:18:56.520270 WARNING Agent WALinuxAgent-2.2.10 failed with exception: [Errno 20] Not a directory: '/var/log/azure/Microsoft.OSTCExtensions.VMAccessForLinux'
2017/07/17 10:18:56.524184 WARNING Traceback (most recent call last):
File "build/bdist.linux-x86_64/egg/azurelinuxagent/ga/update.py", line 257, in run
exthandlers_handler.run()
File "build/bdist.linux-x86_64/egg/azurelinuxagent/ga/exthandlers.py", line 187, in run
self.handle_ext_handlers(etag)
File "build/bdist.linux-x86_64/egg/azurelinuxagent/ga/exthandlers.py", line 210, in handle_ext_handlers
self.handle_ext_handler(ext_handler, etag)
File "build/bdist.linux-x86_64/egg/azurelinuxagent/ga/exthandlers.py", line 213, in handle_ext_handler
ext_handler_i = ExtHandlerInstance(ext_handler, self.protocol)
File "build/bdist.linux-x86_64/egg/azurelinuxagent/ga/exthandlers.py", line 345, in __init__
fileutil.mkdir(self.get_log_dir(), mode=0o755)
File "build/bdist.linux-x86_64/egg/azurelinuxagent/common/utils/fileutil.py", line 94, in mkdir
os.makedirs(dirpath)
File "/usr/lib64/python2.7/os.py", line 150, in makedirs
makedirs(head, mode)
File "/usr/lib64/python2.7/os.py", line 157, in makedirs
mkdir(name, mode)
OSError: [Errno 20] Not a directory: '/var/log/azure/Microsoft.OSTCExtensions.VMAccessForLinux'
In the above instance, a customer had deleted the /var/log/azure directory causing waagent to continuously throw failures and not start up.
Waagent, ideally should be resilient to this scenario and throw an error/warning. This is a standard behavior across services that couldn't find it's log directory. For example, all these other services are run, but without logging:
Jul 18 02:18:43 riot auditd: Could not open dir /var/log/audit (Not a directory)
Jul 18 02:18:44 riot sa1: Cannot open /var/log/sa/sa18: Not a directory
Jul 18 02:18:48 riot nginx: nginx: [alert] could not open error log file: open() "/var/log/nginx/error.log" failed (20: Not a directory)
The text was updated successfully, but these errors were encountered:
If an extension's log directory is deleted by users, WALinuxAgent fails and exists with the following error. Some customers are cleaning up /var/log directory to reclaim space and are inadvertently deleting the /var/log/azure folder. Agent should handle this gracefully.
This is the error thrown.
In the above instance, a customer had deleted the /var/log/azure directory causing waagent to continuously throw failures and not start up.
Waagent, ideally should be resilient to this scenario and throw an error/warning. This is a standard behavior across services that couldn't find it's log directory. For example, all these other services are run, but without logging:
The text was updated successfully, but these errors were encountered: