将 Blobstore 迁移到 GCS:Google App Engine Python

2022-01-25 00:00:00 python google-app-engine google-cloud-storage blobstore

问题描述

这是我现有的用于将数据上传到 blobstore 的 py 代码.

Here is my existing py code for data uploading to blobstore.

from google.appengine.api import files

def save_data_to_blob_store(data):
    # Create the file
    file_name = files.blobstore.create(mime_type='application/octet-stream')

    # Open the file and write to it
    with files.open(file_name, 'a') as f:
        f.write(data)

    # Finalize the file. Do this before attempting to read it.
    files.finalize(file_name)

    # Get the file's blob key
    blob_key = files.blobstore.get_blob_key(file_name)
    return str(blob_key)

现在我正在尝试弃用 blobstore &移至 GCS.我写了一些代码，但没有按预期工作.

Now i'm trying to deprecate blobstore & moving to GCS. I wrote some code but not working as expected.

def save_data_to_gcs(request):
    file_name = '/gs/bucket-name-1/new_file' # change bucket/object names to suit your needs
    writable_file_name = files.gs.create(file_name, mime_type='application/octet-stream',
                                     acl='public-read')
    with files.open(writable_file_name, 'a') as f:
        f.write('Hello World!
')
        f.write('This is a Google Cloud Storage object!
')
    files.finalize(writable_file_name)

在执行此过程时，GAE 在生产中抛出错误，

While executing this procedure, GAE throwing an error on production as,

Exception in request:
Traceback (most recent call last):
  File "/base/data/home/apps/s~bfsolu/248.371810019093562707/common/zip-packages/django-1.1.zip/django/core/handlers/base.py", line 92, in get_response
    response = callback(request, *callback_args, **callback_kwargs)
  File "/base/data/home/apps/s~bfsolu/248.371810019093562707/myapp/utils.py", line 51, in save_data_to_gcs
    acl='public-read')
  File "/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/files/gs.py", line 326, in create
    return files._create(_GS_FILESYSTEM, filename=filename, params=params)
  File "/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/files/file.py", line 647, in _create
    _make_call('Create', request, response)
  File "/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/files/file.py", line 252, in _make_call
    _raise_app_error(e)
  File "/base/data/home/runtimes/python27/python27_lib/versions/1/google/appengine/api/files/file.py", line 210, in _raise_app_error
    raise PermissionDeniedError(e)
 PermissionDeniedError: ApplicationError: 8

任何人都可以在 save_data_to_gcs 程序中帮助纠正我，不胜感激.

Any one could help to correct me in save_data_to_gcs procedure, Would appreciate.

谢谢.

解决方案

您需要 为 GCS 激活您的项目.

然后在 Google Cloud Console 中授予您的应用使用存储桶的权限:

Then grant your app permission to use your bucket in Google Cloud Console:

为此，请选择您的存储桶，点击存储桶权限"按钮，然后添加新的用户"权限，提供您的应用电子邮件地址 (app-id@appspot.gserviceaccount.com) 并使其成为所有者.

To do that, select your bucket, click the 'Bucket Permissions' button, and add new 'User' permissions, providing your app email address (app-id@appspot.gserviceaccount.com) and making it an owner.

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