Failure to access GitLab Docker registry on shared-hzdr-*
The shared-hzdr-* runners (not: hifis-runner-manager-1, gitlab-runner-manager.hemera) have problems when trying to access the Docker Registry integrated with GitLab.
From a job log:
$ docker login "$REGISTRY" --username "$REGISTRY_USER" --password "$REGISTRY_PASSWORD"
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
error during connect: Post "http://docker:2375/v1.24/auth": dial tcp: lookup docker on 149.220.4.2:53: no such host
The $REGISTRY
variable is set to $CI_REGISTRY
(a predefined variable) in .gitlab-ci.yml via variables
stanza.
Its value should be registry.hzdr.de
but appears to be docker:2375
.
Examples:
- Job #556633 fails on shared-hzdr-2
- Job #556636 succeeds on hifis-runner-manager-1
If there is need, I can build a public project for debugging.