Bug 1299253 - epmd doesn't support IPv6
Summary: epmd doesn't support IPv6
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat OpenStack
Classification: Red Hat
Component: erlang
Version: 7.0 (Kilo)
Hardware: Unspecified
OS: Unspecified
urgent
urgent
Target Milestone: z4
: 7.0 (Kilo)
Assignee: John Eckersberg
QA Contact: Asaf Hirshberg
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2016-01-17 21:08 UTC by John Eckersberg
Modified: 2016-02-18 16:10 UTC (History)
6 users (show)

Fixed In Version: erlang-R16B-03.10min.5.el7ost
Doc Type: Bug Fix
Doc Text:
The Erlang port mapper daemon (epmd) can now listen on IPv6 addresses. In addition, clients can now register and query epmd over IPv6. This, in turn, now allows Erlang clustering to work in an IPv6-only environment. Previously, epmd could only bind and listen on IPv4 addresses, thereby preventing the formation of Erlang clusters in IPv6-only environments.c
Clone Of:
Environment:
Last Closed: 2016-02-18 16:10:44 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2016:0259 0 normal SHIPPED_LIVE Red Hat Enterprise Linux OpenStack Platform 7 Bug Fix and Enhancement Advisory 2016-02-18 21:06:38 UTC

Description John Eckersberg 2016-01-17 21:08:15 UTC
Description of problem:


Version-Release number of selected component (if applicable):
erlang-erts-R16B-03.10min.4.el7ost.x86_64

How reproducible:
Always

Steps to Reproduce:
[root@rhel7 ~]# epmd -daemon
[root@rhel7 ~]# ss -antp | grep epmd
LISTEN     0      128                       *:4369                     *:*      users:(("epmd",2376,3))
[root@rhel7 ~]# epmd -kill
Killed
[root@rhel7 ~]# epmd -address ::1
epmd: Sun Jan 17 15:54:26 2016: cannot parse IP address "::1"


Actual results:
Does not bind to IPv6 by default or if explicitly 

Expected results:
Should bind to both ipv4/6 by default, and able to parse and use ipv6 address for '-address' option

Additional info:
https://github.com/erlang/otp/pull/864

Comment 2 Asaf Hirshberg 2016-02-01 09:08:08 UTC
Verified on 2016-01-21-1.

[root@overcloud-controller-0 ~]# ss -antp | grep epmd
LISTEN     0      128          *:4369                     *:*                   users:(("epmd",pid=7868,fd=3))
ESTAB      0      0      127.0.0.1:4369               127.0.0.1:41244               users:(("epmd",pid=7868,fd=5))
LISTEN     0      128         :::4369                    :::*                   users:(("epmd",pid=7868,fd=4))

Comment 5 errata-xmlrpc 2016-02-18 16:10:44 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/RHBA-2016-0259.html


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