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Bug 1165803 - pcs CLI should recognize and act upon "fail due to lack of authentication" state if/as suitable (e.g. for "pcs config restore")
Summary: pcs CLI should recognize and act upon "fail due to lack of authentication" st...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: pcs
Version: 7.1
Hardware: Unspecified
OS: Unspecified
low
unspecified
Target Milestone: rc
: ---
Assignee: Tomas Jelinek
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-11-19 18:08 UTC by Jan Pokorný [poki]
Modified: 2015-11-19 09:33 UTC (History)
5 users (show)

Fixed In Version: pcs-0.9.140-1.el7
Doc Type: Bug Fix
Doc Text:
Cause: User runs 'pcs config restore' command when some of the cluster nodes are not accessible by pcsd. Consequence: A generic error message, which is not very helpful, is printed. Fix: Print an explanatory error message helping the user to fix the issue. Result: User is informed about the cause of the error and how to fix it.
Clone Of:
Environment:
Last Closed: 2015-11-19 09:33:38 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
proposed fix (1.59 KB, patch)
2015-05-05 12:45 UTC, Tomas Jelinek 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Bugzilla 1024492 0 medium CLOSED pcs should handle full cluster config backup/restore 2021-02-22 00:41:40 UTC
Red Hat Product Errata RHSA-2015:2290 0 normal SHIPPED_LIVE Moderate: pcs security, bug fix, and enhancement update 2015-11-19 09:43:53 UTC

Internal Links: 1024492

Description Jan Pokorný [poki] 2014-11-19 18:08:46 UTC 
Intro:
host-137 is a first node stated in the backed up configuration
c3.tar.bz2 and pcsd is running there, but no entity has authenticate
against it yet; then on a different host:

# pcs config restore c3.tar.bz2
> Error: unable to determine status of the node host-137

One might expect the state of interaction (as in summary) can be easily
distinguished, leaving the user with a hint to try:

    pcs cluster auth [host-137] ...

Even smoother workflow would be if the authentication process/dialog
was started immediately, prompting for credentials -- one catch though:
it would break the existing scripts utilizing pcs (hanging indefinitely
for the user input) so there would have to be additional switch
indicating "interactive" mode.


I am not sure what's the situation with other failed-on-auth operations,
take "config restore" just as an example.
Comment 3 Tomas Jelinek 2015-05-05 12:45:28 UTC 
Created attachment 1022175 [details]
proposed fix

test:
[root@rh71-node1:~]# pcs status pcsd
  rh71-node1: Unable to authenticate
  rh71-node2: Unable to authenticate
[root@rh71-node1:~]# pcs config restore ~/backup.tar.bz2
Error: Unable to authenticate to rh71-node1 - (HTTP error: 401), try running 'pcs cluster auth'
Error: Unable to authenticate to rh71-node2 - (HTTP error: 401), try running 'pcs cluster auth'
[root@rh71-node1:~]# echo $?
1
Comment 4 Tomas Jelinek 2015-06-04 14:32:29 UTC 
Before Fix:
[root@rh71-node1 ~]# rpm -q pcs
pcs-0.9.137-13.el7_1.2.x86_64
Delete authorization tokens:
run on each node: rm /var/lib/pcsd/tokens /var/lib/pcsd/pcs_users.conf
[root@rh71-node1:~]# pcs config restore ~/backup.tar.bz2
Error: unable to determine status of the node rh71-node1



After Fix:
[root@rh71-node1:~]# rpm -q pcs
pcs-0.9.140-1.el6.x86_64
Delete authorization tokens:
run on each node: rm /var/lib/pcsd/tokens /var/lib/pcsd/pcs_users.conf
[root@rh71-node1:~]# pcs config restore ~/backup.tar.bz2
Error: Unable to authenticate to rh71-node1 - (HTTP error: 401), try running 'pcs cluster auth'
Error: Unable to authenticate to rh71-node2 - (HTTP error: 401), try running 'pcs cluster auth'
Comment 8 errata-xmlrpc 2015-11-19 09:33:38 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHSA-2015-2290.html
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