403 error blocks project creation from template when Pure Storage is configured

Description

  • Error importing repository into (projectName) - unsupported response downloading fragment 403 error when creating new project from template
  • Pure Storage S3-compatible Object Store configured as object storage.
  • Other operations involving object storage working as expected.

Environment

  • Pure Storage configured for GitLab object storage

Impacted offerings:

  • GitLab Self-Managed

Solution

Set 'aws_signature_version' => 2 in the object storage connection settings.

Cause

The default aws_signature_version value of 4 exposes an incompatibility between Pure Storage Object Store and the library used by GitLab to download the project template export file for import into the new project. Different libraries are used for other object storage operations and these do not experience the same issue.

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