【问题标题】:Deploying a Django App to App Engine Flexible Environment将 Django 应用程序部署到 App Engine 柔性环境
【发布时间】:2017-01-21 17:32:59
【问题描述】:

我正在尝试根据this 教程将sample app 部署到Google App Engine 柔性环境。部署工作,但是,应用程序无法启动。我收到以下错误消息:

Updating service [default]...failed.
ERROR: (gcloud.app.deploy) Error Response: [9]
Application startup error:
[2017-01-21 17:01:14 +0000] [5] [INFO] Starting gunicorn 19.6.0
[2017-01-21 17:01:14 +0000] [5] [INFO] Listening at: http://0.0.0.0:8080 (5)
[2017-01-21 17:01:14 +0000] [5] [INFO] Using worker: sync
[2017-01-21 17:01:14 +0000] [8] [INFO] Booting worker with pid: 8
[2017-01-21 17:01:14 +0000] [8] [ERROR] Exception in worker process
Traceback (most recent call last):
  File "/env/lib/python3.5/site-packages/gunicorn/arbiter.py", line 557, in spawn_worker
    worker.init_process()
  File "/env/lib/python3.5/site-packages/gunicorn/workers/base.py", line 126, in init_process
    self.load_wsgi()
  File "/env/lib/python3.5/site-packages/gunicorn/workers/base.py", line 136, in load_wsgi
    self.wsgi = self.app.wsgi()
  File "/env/lib/python3.5/site-packages/gunicorn/app/base.py", line 67, in wsgi
    self.callable = self.load()
  File "/env/lib/python3.5/site-packages/gunicorn/app/wsgiapp.py", line 65, in load
    return self.load_wsgiapp()
  File "/env/lib/python3.5/site-packages/gunicorn/app/wsgiapp.py", line 52, in load_wsgiapp
    return util.import_app(self.app_uri)
  File "/env/lib/python3.5/site-packages/gunicorn/util.py", line 357, in import_app
    __import__(module)
ImportError: No module named 'mysite'
[2017-01-21 17:01:14 +0000] [8] [INFO] Worker exiting (pid: 8)
[2017-01-21 17:01:14 +0000] [5] [INFO] Shutting down: Master
[2017-01-21 17:01:14 +0000] [5] [INFO] Reason: Worker failed to boot.

正如您在 GitHub 上看到的(参见上面的链接),/app.yaml 文件如下所示:

# [START runtime]
runtime: python
env: flex
entrypoint: gunicorn -b :$PORT mysite.wsgi

beta_settings:
    cloud_sql_instances: <your-cloudsql-connection-string>

runtime_config:
  python_version: 3
# [END runtime]

/mysite/wsgi.py 文件如下:

import os

from django.core.wsgi import get_wsgi_application

os.environ.setdefault("DJANGO_SETTINGS_MODULE", "mysite.settings")

application = get_wsgi_application()

由于柔性环境处于测试阶段,我不确定这是否是一个错误。但是,我使用的是来自 GitHub 的原始应用程序,没有按照官方文档进行任何更改,所以我希望它能够正常工作。

感谢您的帮助。

【问题讨论】:

    标签: python django google-app-engine gunicorn app-engine-flexible


    【解决方案1】:

    试试:

    entrypoint: gunicorn -b :$PORT mysite.wsgi:application

    (假设目录“mysite”与app.yaml处于同一级别。如果wsgi.pyapp.yaml处于同一级别,则只需::$PORT wsgi:application

    【讨论】:

    • 感谢您的回答。我犯了同样的错误。我认为 application 是默认参数,所以它应该可以在没有的情况下工作,就像在Django documentation 中一样。你可以在GitHub看到目录结构。
    【解决方案2】:

    感谢 Adam(Google Group Forum 上的 Google Cloud Platform 团队成员)提示文件可能未部署,我将 Google Cloud SDK 从 138.0.0 更新到 141.0.0。现在一切正常,如教程中所述。

    【讨论】:

      【解决方案3】:

      确保满足您的要求,即将 requirements.txt 复制到项目的根目录

      https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/appengine/flexible/django_cloudsql/requirements.txt

      看起来像这样

      Django==1.11.1
      mysqlclient==1.3.10
      wheel==0.29.0
      gunicorn==19.7.1
      psycopg2==2.7.1
      

      然后运行

      pip install -r requirements.txt
      

      然后 gcloud 应用部署

      【讨论】:

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