This bug was fixed in the package ipvsadm - 1:1.25.clean-1ubuntu0.1
---------------
ipvsadm (1:1.25.clean-1ubuntu0.1) lucid-proposed; urgency=low
* libipvs/libipvs.c: upstream patch (r64) to fix incorrect activeconns,
(Debian bug 574587), (LP: #663564)
-- Clint Byrum <[email protected]> Mon, 22 Nov 2010 15:13:04 -0800
** Changed in: ipvsadm (Ubuntu Lucid)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/663564
Title:
Don't report persistentconns as activeconns
Status in “ipvsadm” package in Ubuntu:
Fix Released
Status in “ipvsadm” source package in Lucid:
Fix Released
Status in “ipvsadm” package in Debian:
New
Bug description:
Binary package hint: ipvsadm
Description: Ubuntu 10.04.1 LTS
Release: 10.04
ipvsadm:
Installed: 1:1.25.clean-1
Candidate: 1:1.25.clean-1
Version table:
*** 1:1.25.clean-1 0
500 http://apt-mirror1.us.archive.org/ubuntu/ lucid/main Packages
100 /var/lib/dpkg/status
there is "what appears to be a typo in the netlink client code whereby
the activeconns is read as activeconns and then overwritten by
persistentconns. The result is that the active connection count
reported by ipvsadm -L is wrong if the code is compiled to use the
netlink interface." (description taken from
http://archive.linuxvirtualserver.org/html/lvs-
devel/2010-02/msg00006.html)
the attached patch is taken from
https://bugzilla.redhat.com/show_bug.cgi?id=573921 (the same patch as
from the lvs-devel link but with unmangled whitespace)
== SRU REPORT ==
=== IMPACT ===
This patch is extremely straight forward and only affects the
reporting code, so risk of crash/security problems are low. If
somebody has built a workaround for the lack of active connection
reporting, or if they have been assuming that the number was lower/0,
the update reporting accurate numbers may cause some confusion, but
that should be easy to correlate with the system updates.
=== DEV FIX ===
The code was patched and uploaded to natty in version 1:1.25.clean-
1ubuntu1
=== PATCH ===
See merge proposal.
=== TEST CASE: ===
From redhat bug report:
Steps to Reproduce:
1. Create an IPVS virtual service, something along these lines:
ipvsadm -A -t this.host.ip:80
ipvsadm -a -t this.host.ip:80 -r other.host.ip:80 -m
(and set up the HTTP server on other.host.ip).
2. from different host run "telnet this.host.ip 80"
3. run /sbin/ipvsadm -L
Actual results:
The "ActiveConn" column is zero even though there is an open connection.
Expected results:
The "ActiveConn" column should be greater than zero.
=== REGRESSION POTENTIAL ===
Very low. See IMPACT.
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