In the advanced deployment instructions
(https://mayan.readthedocs.io/en/2.7/topics/deploying.html), the current
setup starts UWSGI as root, and beat + worker as the www-data user.
This seems to be problematic, at least on Ubuntu 16.04. The lockfile at
/tmp/mayan_locks.tmp is mode 0644 and belongs to root:root. Because of
that, the worker and beat fail to start since they run as www-data and
can't access the lock.
I'm seeing this in the wroker-stderr log:
Traceback (most recent call last):
File "/usr/share/mayan-edms/bin/mayan-edms.py", line 10, in <module>
execute_from_command_line(sys.argv)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/core/management/__init__.py",
line 367, in execute_from_command_line
utility.execute()
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/core/management/__init__.py",
line 341, in execute
django.setup()
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/__init__.py",
line 27, in setup
apps.populate(settings.INSTALLED_APPS)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/apps/registry.py",
line 85, in populate
app_config = AppConfig.create(entry)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/apps/config.py",
line 116, in create
mod = import_module(mod_path)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/mayan/apps/checkouts/apps.py",
line 29, in <module>
from .tasks import task_check_expired_check_outs # NOQA
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/mayan/apps/checkouts/tasks.py",
line 8, in <module>
from lock_manager.runtime import locking_backend
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/mayan/apps/lock_manager/runtime.py",
line 5, in <module>
locking_backend = import_string(setting_backend.value)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/django/utils/module_loading.py",
line 20, in import_string
module = import_module(module_path)
File "/usr/lib/python2.7/importlib/__init__.py", line 37, in import_module
__import__(name)
File
"/usr/share/mayan-edms/local/lib/python2.7/site-packages/mayan/apps/lock_manager/backends/file_lock.py",
line 25, in <module>
open(lock_file, 'a').close()
IOError: [Errno 13] Permission denied: u'/tmp/mayan_locks.tmp'
A workaround is to run beat and worker under the root user (by changing the
user in the config files), but that probably isn't a good thing since
they're user facing.
Am I overlooking something, or is it an error in the instructions?
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