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fix: tolerate BQ connection service account propagation delay #1505

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merged 1 commit into from
Mar 20, 2025
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fix: tolerate BQ connection service account propagation delay #1505

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24 changes: 16 additions & 8 deletions bigframes/clients.py
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Original file line number Diff line number Diff line change
Expand Up @@ -94,16 +94,24 @@ def create_bq_connection(
# https://cloud.google.com/bigquery/docs/reference/standard-sql/remote-functions#grant_permission_on_function
self._ensure_iam_binding(project_id, service_account_id, iam_role)

# Introduce retries to accommodate transient errors like etag mismatch,
# which can be caused by concurrent operation on the same resource, and
# manifests with message like:
# google.api_core.exceptions.Aborted: 409 There were concurrent policy
# changes. Please retry the whole read-modify-write with exponential
# backoff. The request's ETag '\007\006\003,\264\304\337\272' did not match
# the current policy's ETag '\007\006\003,\3750&\363'.
# Introduce retries to accommodate transient errors like:
# (1) Etag mismatch,
# which can be caused by concurrent operation on the same resource, and
# manifests with message like:
# google.api_core.exceptions.Aborted: 409 There were concurrent policy
# changes. Please retry the whole read-modify-write with exponential
# backoff. The request's ETag '\007\006\003,\264\304\337\272' did not
# match the current policy's ETag '\007\006\003,\3750&\363'.
# (2) Connection creation,
# for which sometimes it takes a bit for its service account to reflect
# across APIs (e.g. b/397662004, b/386838767), before which, an attempt
# to set an IAM policy for the service account may throw an error like:
# google.api_core.exceptions.InvalidArgument: 400 Service account
# bqcx-*@gcp-sa-bigquery-condel.iam.gserviceaccount.com does not exist.
@google.api_core.retry.Retry(
predicate=google.api_core.retry.if_exception_type(
google.api_core.exceptions.Aborted
google.api_core.exceptions.Aborted,
google.api_core.exceptions.InvalidArgument,
),
initial=10,
maximum=20,
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