Cloud Function Error: google.api_core.exceptions.Forbidden: 403 GET, when trying to store Mic data

[time-trader]

Bug report

What is the current behavior?

When handling the window with Mic sensor data, the following error occurs in window_handler:

Traceback (most recent call last):
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask/app.py", line 2073, in wsgi_app
    response = self.full_dispatch_request()
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask/app.py", line 1518, in full_dispatch_request
    rv = self.handle_user_exception(e)
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask/app.py", line 1516, in full_dispatch_request
    rv = self.dispatch_request()
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/flask/app.py", line 1502, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**req.view_args)
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/functions_framework/__init__.py", line 171, in view_func
    function(data, context)
  File "/workspace/main.py", line 41, in upload_window
    window_handler.persist_window(unix_timestamped_window["sensor_data"], window_metadata)
  File "/workspace/window_handler.py", line 92, in persist_window
    self._store_microphone_data(
  File "/workspace/window_handler.py", line 134, in _store_microphone_data
    datafile = Datafile(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/octue/resources/datafile.py", line 144, in __init__
    self._use_cloud_metadata(**initialisation_parameters)
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/octue/resources/datafile.py", line 495, in _use_cloud_metadata
    self.get_cloud_metadata()
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/octue/resources/datafile.py", line 249, in get_cloud_metadata
    cloud_metadata = GoogleCloudStorageClient(self.project_name).get_metadata(cloud_path=self.cloud_path)
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/octue/cloud/storage/client.py", line 117, in get_metadata
    bucket = self.client.get_bucket(bucket_or_name=bucket_name)
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/storage/client.py", line 780, in get_bucket
    bucket.reload(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/storage/bucket.py", line 1029, in reload
    super(Bucket, self).reload(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/storage/_helpers.py", line 232, in reload
    api_response = client._get_resource(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/storage/client.py", line 364, in _get_resource
    return self._connection.api_request(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/storage/_http.py", line 80, in api_request
    return call()
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/api_core/retry.py", line 283, in retry_wrapped_func
    return retry_target(
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/api_core/retry.py", line 190, in retry_target
    return target()
  File "/layers/google.python.pip/pip/lib/python3.8/site-packages/google/cloud/_http/__init__.py", line 480, in api_request
    raise exceptions.from_http_response(response)
google.api_core.exceptions.Forbidden: 403 GET https://storage.googleapis.com/storage/v1/b/data-gateway-processed-data?projection=noAcl&prettyPrint=false: as-ingress@aerosense-twined.iam.gserviceaccount.com does not have storage.buckets.get access to the Google Cloud Storage bucket. 

Seems like permissions error?

[cortadocodes]

I've given permission to the as-ingress@aerosense-twined.iam.gserviceaccount.com service account to access the data-gateway-processed-data bucket. Please let me know if this doesn't solve the issue!