Add regional location support to GCP Image Builder #4268
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Users can now specify a `location` parameter to run Cloud Build in a specific GCP region instead of the global endpoint. This enables: - Data residency compliance (GDPR, etc.) - Lower latency when building near GCS buckets/Artifact Registry - Required for Cloud Build private pools The Service Connector region does not control Cloud Build region, so this must be set explicitly on the Image Builder component.
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schustmi
approved these changes
Nov 28, 2025
strickvl
added
backend
Adds a Pydantic field_validator that strips whitespace and converts empty strings to None at parse time. This prevents edge cases where location="" would produce an invalid endpoint like "-cloudbuild.googleapis.com".
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Summary
locationparameter to GCP Image Builder config for specifying Cloud Build region{location}-cloudbuild.googleapis.com) when location is setWhy
User request. They need to run Cloud Build in a specific region.
Key Changes
gcp_image_builder_flavor.py): Addedlocation: Optional[str]field with descriptive documentation and a Pydantic validator that normalizes whitespace and converts empty strings toNonegcp_image_builder.py): CreatesClientOptionswith regional endpoint when location is set, logs which endpoint is usedgcp.md): Updated with--locationexamples and note clarifying that Service Connector region does NOT control Cloud Build regionTest plan
asia-northeast1) - verified build appears in regional Cloud Build historylocationcontinue to work