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Bug 1253491 - pcs status pcsd shows "Unable to authenticate" on serial console
Summary: pcs status pcsd shows "Unable to authenticate" on serial console
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: pcs
Version: 7.2
Hardware: Unspecified
OS: Unspecified
high
unspecified
Target Milestone: rc
: ---
Assignee: Tomas Jelinek
QA Contact: cluster-qe@redhat.com
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2015-08-13 20:12 UTC by Nate Straz
Modified: 2015-11-19 09:38 UTC (History)
3 users (show)

Fixed In Version: pcs-0.9.143-3.el7
Doc Type: Bug Fix
Doc Text:
Cause: User runs the 'pcs status pscd' command. Consequence: Pcs cannot locate pcsd properly which results in inability to communicate with pcsd on cluster nodes. Nodes appear to be unauthenticated. Fix: Fixed pcs/pcsd path handling. Result: Pcs reports nodes are online.
Clone Of:
Environment:
Last Closed: 2015-11-19 09:38:38 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)
proposed fix (1.31 KB, patch)
2015-08-25 12:53 UTC, Tomas Jelinek 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
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

Comment 1 Nate Straz 2015-08-13 20:17:13 UTC 
Description of problem:

I'm getting different output from `pcs status pcsd` whether I run it from an ssh session or the serial console.

Serial console:
[root@west-01 ~]# id -a
uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[root@west-01 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 16:14 /proc/self/fd/0 -> /dev/ttyS0
[root@west-01 ~]# pcs status pcsd west-02
  west-02: Unable to authenticate

SSH:
[root@west-01 ~]# id -a
uid=0(root) gid=0(root) groups=0(root) context=unconfined_u:unconfined_r:unconfined_t:s0-s0:c0.c1023
[root@west-01 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 16:15 /proc/self/fd/0 -> /dev/pts/0
[root@west-01 ~]# pcs status pcsd west-02
  west-02: Online


Version-Release number of selected component (if applicable):
pcs-0.9.143-1.el7.x86_64

How reproducible:
Easily

Steps to Reproduce:
1. from serial console run: pcs status pscd


Actual results:


Expected results:

This worked in 7.1:

[root@host-054 ~]# ls -l /proc/self/fd/0
lrwx------. 1 root root 64 Aug 13 15:08 /proc/self/fd/0 -> /dev/ttyS0
[root@host-054 ~]# pcs status pcsd
  host-054: Online
  host-055: Online
  host-056: Online
[root@host-054 ~]# rpm -q pcs
pcs-0.9.137-13.el7_1.3.x86_64


Additional info:
Comment 5 Tomas Jelinek 2015-08-25 12:53:38 UTC 
Created attachment 1066843 [details]
proposed fix
Comment 6 Tomas Jelinek 2015-08-26 10:04:17 UTC 
Before Fix:
[root@rh71-node1 ~]# rpm -q pcs
pcs-0.9.143-2.el7.x86_64

[root@rh71-node1:~]# PATH=/usr/sbin:$PATH pcs status pcsd
  rh71-node1: Online
  rh71-node2: Online
[root@rh71-node1:~]# PATH=/sbin:$PATH pcs status pcsd
  rh71-node1: Unable to authenticate
  rh71-node2: Unable to authenticate



After Fix:
[root@rh71-node1:~]# rpm -q pcs
pcs-0.9.143-3.el7.x86_64

[root@rh71-node1:~]# PATH=/usr/sbin:$PATH pcs status pcsd
  rh71-node1: Online
  rh71-node2: Online
[root@rh71-node1:~]# PATH=/sbin:$PATH pcs status pcsd
  rh71-node1: Online
  rh71-node2: Online
Comment 10 errata-xmlrpc 2015-11-19 09:38:38 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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