Mao Geng created MESOS-6169:
-------------------------------
Summary: --docker_config doesn't work with
amazon-ecr-credential-helper
Key: MESOS-6169
URL: https://issues.apache.org/jira/browse/MESOS-6169
Project: Mesos
Issue Type: Bug
Components: docker
Affects Versions: 1.0.0
Reporter: Mao Geng
We are using AWS ECR as docker registry and using
https://github.com/awslabs/amazon-ecr-credential-helper to get credential
automatically.
As amazon-ecr-credential-helper required, we set a .docker/config.json file
like below:
{code}
{
"credsStore": "ecr-login",
"auths": {
"xxxxxxxxxxxx.dkr.ecr.us-east-1.amazonaws.com": {
}
}
}
{code}
According to the "credsStore" field, docker engine will invoke a
"docker-credential-ecr-login" command (which we've installed into /usr/bin/) to
get registry credential whenever required, for example when executing docker
pull/push.
This works fine when we tar the .docker/config.json and use uris prarameter to
pull the tar.gz file for every task using docker image.
But when I try the new --docker_config option, it doesn't work. The task failed
to pull the image from ECR. The error message is
{code}
Failed to launch container: Failed to run 'docker -H
unix:///var/run/docker.sock pull
xxxxxxxxxxxx.dkr.ecr.us-east-1.amazonaws.com/<image_name>:latest': exited with
status 1; stderr='WARNING: Error loading config file:/tmp/28Vd2O/.dockercfg -
The Auth config file is empty unauthorized: authentication required '
{code}
Checked the source at
https://github.com/apache/mesos/blob/master/src/docker/docker.cpp, but don't
understand why above errors message says loading a temp .dockercfg file, which
doesn't exist btw. I assume mesos should pull the image using the config.json
file I set to --docker_config, right?
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