Bug 1367837 - [Supportability] RHEL Tools container does not support running as Arbitrary User IDs [NEEDINFO]
Summary: [Supportability] RHEL Tools container does not support running as Arbitrary U...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: rhel-tools-container
Version: 7.3
Hardware: Unspecified
OS: Unspecified
unspecified
medium
Target Milestone: rc
: ---
Assignee: Frantisek Kluknavsky
QA Contact: atomic-bugs@redhat.com
Vikram Goyal
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-08-17 15:22 UTC by Eric Rich
Modified: 2018-04-19 13:49 UTC (History)
4 users (show)

Fixed In Version:
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2018-04-19 13:49:38 UTC
Target Upstream Version:
erich: needinfo-
sct: needinfo? (dwalsh)


Attachments (Terms of Use)

Description Eric Rich 2016-08-17 15:22:48 UTC
Description of problem:

When running the rhel-tools container on OpenShift 

> oc run --restart=Never --attach --stdin --tty --image registry.access.redhat.com/rhel7/rhel-tools rhel-tools bash

> oc run --generator=deploymentconfig/v1 --attach --stdin --tty --image registry.access.redhat.com/rhel7/rhel-tools rhel-tools bash

Version-Release number of selected component (if applicable): "Id": "a94093b96828a0964d8d0147d96984547e24a080cbeac14d976ff5431495de46"

How reproducible: 100% 

Steps to Reproduce:
1. oc run --restart=Never --attach --stdin --tty --image registry.access.redhat.com/rhel7/rhel-tools rhel-tools bash
2: oc whoami

Actual results:

User is not known. 

Expected results:

The user should be known or "faked" 

Additional info:

https://docs.openshift.com/enterprise/3.2/creating_images/guidelines.html#openshift-enterprise-specific-guidelines

Comment 2 Daniel Walsh 2016-08-19 22:10:52 UTC
Isn't this really a docker issue, that if you run as a specified UID and the UID is not defined in the /etc/passwd inside of the container, it can not translate it?

Comment 3 Frantisek Kluknavsky 2016-10-05 10:54:33 UTC
nss_wrapper described in the docs is not in rhel7 at all (as of today). Bugzilla to add it is here: https://bugzilla.redhat.com/show_bug.cgi?id=1120347

Comment 5 Stephen Tweedie 2016-10-05 11:31:10 UTC
I would really rather not add nss_wrapper to RHEL just for a short-term workaround for what is (in this case) a mostly-cosmetic issue.  It's a genuine issue, but the rhel-tools case doesn't seem a strong reason for adding it here.  

So the real question is whether this is the long-term answer we want for this general problem.

(In reply to Daniel Walsh from comment #2)
> Isn't this really a docker issue, that if you run as a specified UID and the
> UID is not defined in the /etc/passwd inside of the container, it can not
> translate it?

Right, it feels like we need some core plumbing to deal with this, and not just hack around it in the container image.  User namespaces may help, but is likely insufficient on its own.

Dan, do we have a plan for handling this sort of thing more cleanly?

Comment 7 Frantisek Kluknavsky 2018-04-19 13:49:38 UTC
Bugzilla to add nss_wrapper to rhel is still not solved. Meanwhile, development of user namespaces moved a lot. I guess this bugzilla is obsolete. Feel free to reopen if you disagree.


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