Example failed pipelines:
https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/jobs/642619
https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/jobs/642180
Note these pipelines were working ~24 hours ago.
Example failure logs copied from https://gitlab.wikimedia.org/repos/data-engineering/airflow-dags/-/jobs/642619:
$ kokkuri image build 2025-10-10 16:26:49,803 Valid syntax line found in docker/blubber.yaml 2025-10-10 16:26:49,803 Using build frontend docker-registry.wikimedia.org/repos/releng/blubber/buildkit:v1.4.1 2025-10-10 16:26:49,803 Configuring Docker client to use JWT auth for registry.cloud.releng.team 2025-10-10 16:26:49,804 Registry based caching available at /cache error: failed to solve: failed to configure registry cache exporter: invalid reference format 2025-10-10 16:26:52,834 Command '['buildctl', '--timeout', '3600', '--wait', 'build', '--progress=plain', '--frontend=gateway.v0', '--opt', 'source=docker-registry.wikimedia.org/repos/releng/blubber/buildkit:v1.4.1', '--opt', 'filename=docker/blubber.yaml', '--opt', 'target=build-test-image', '--metadata-file', '/tmp/tmp1_p8lxuu', '--local', 'context=.', '--local', 'dockerfile=.', '--opt', 'platform=linux/amd64', '--import-cache', 'type=registry,ref=/cache/build-test-image:main', '--import-cache', 'type=registry,ref=/cache/build-test-image:bump-to-pickup-cast-fix', '--export-cache', 'type=registry,ref=/cache/build-test-image:bump-to-pickup-cast-fix']' returned non-zero exit status 1.
Note this blocks any airflow-dags fixes from going to production.