That was the correct solution.
- kubectl set env -n aifabric deployment/ai-trainer-deployment HTTP_PROXY= → here the # gets encoded with %23
- kubectl -n aifabric rollout restart deployment ai-trainer-deployment
- After pipeline restart, I see running download processes:
2021-07-28 07:26:30 [pool-15-thread-1] INFO c.s.docker.client.LoggingPullHandler.progress - pull registry.replicated.com/ai-fabric/englishtextclassification:2-gpu-train: ProgressMessage{id=aa250b89dc96, status=Downloading, stream=null, error=null, progress=[============> ] 64.87MB/255.8MB, progressDetail=ProgressDetail{current=64866793, start=null, total=255811220}}