There are some missing cases that we need to catch when handling "docker.trusted.registries".
The container-executor.cfg configuration is as follows:
It works if run DistrubutedShell with "tangzhankun/tensorflow"
But run a DistrubutedShell job with "centos", "centos[:tagName]", "ubuntu" and "ubuntu[:tagName]" fails:
The error message is like:
We need better handling the above cases.