StarCluster - Mailing List Archive

docker daemon not found when docker command executed with qsub

From: Xander Dunn <no email>
Date: Mon, 16 Nov 2015 16:15:50 -0800

I have star cluster installed from the develop branch because I need to use c4 instance types, which aren’t in a released version yet. I have open grid scheduler 2011.11 installed on an Ubuntu 14.04 AMI.

I have Docker installed in that AMI and the daemon starts on boot. If I manually ssh into my master node or any worker node and execute a Docker command, it works. The Docker daemon is found and the command succeeds. Furthermore, executing any docker command from the master node in the form `ssh node001 docker pull IMAGE` also works correctly.

However, those same commands, when executed with qsub, will fail because the running Docker daemon can’t be found:
Post IMAGE: dial unix /var/run/docker.sock: permission denied.
* Are you trying to connect to a TLS-enabled daemon without TLS?
* Is your docker daemon up and running?

Example: `qsub -V -b y -cwd docker pull ubuntu:14.04`

What’s the difference in the way qsub executes commands that’s causing this?

Received on Mon Nov 16 2015 - 19:16:12 EST
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