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https://github.com/inventree/InvenTree.git
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Oliver
133a236565
- Ensure integer value - Close any DB connections post forking Co-authored-by: Matthias Mair <code@mjmair.com>
64 lines
1.6 KiB
Python
64 lines
1.6 KiB
Python
"""Gunicorn configuration for InvenTree."""
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import logging
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import multiprocessing
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import os
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# Logger configuration
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logger = logging.getLogger('inventree')
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accesslog = '-'
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errorlog = '-'
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loglevel = os.environ.get('INVENTREE_LOG_LEVEL', 'warning').lower()
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capture_output = True
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# Worker configuration
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# TODO: Implement support for gevent
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# worker_class = 'gevent' # Allow multi-threading support
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worker_tmp_dir = '/dev/shm' # Write temp file to RAM (faster)
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threads = 4
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# Worker timeout (default = 90 seconds)
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timeout = int(os.environ.get('INVENTREE_GUNICORN_TIMEOUT', '90'))
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# Number of worker processes
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workers = os.environ.get('INVENTREE_GUNICORN_WORKERS', None)
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if workers is not None:
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try:
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workers = int(workers)
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except ValueError:
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workers = None
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if workers is None:
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workers = multiprocessing.cpu_count() * 2 + 1
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logger.info('Starting gunicorn server with %s workers', workers)
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max_requests = 1000
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max_requests_jitter = 50
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# preload app so that the ready functions are only executed once
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preload_app = True
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def post_fork(server, worker):
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"""Post-fork hook called after each worker process is forked."""
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from django.db import connections
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# Close any DB connections inherited from the master process — PostgreSQL
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# connections are not fork-safe, so each worker must open its own.
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connections.close_all()
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from django.conf import settings
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if not settings.TRACING_ENABLED:
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return
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# Instrument gunicorm
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from InvenTree.tracing import setup_instruments, setup_tracing
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# Run tracing/logging instrumentation
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setup_tracing(**settings.TRACING_DETAILS)
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setup_instruments(settings.DB_ENGINE)
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