[gpfsug-discuss] Changing Web ports for the Spectrum Scale GUI
Markus Rohwedder
rohwedder at de.ibm.com
Thu Aug 23 09:51:39 BST 2018
Hello Keith,
it is not so easy.
The GUI receives events from other scale components using the currently
defined ports.
Changing the GUI ports will cause breakage in the GUI stack at several
places (internal watchdog functions, interlock with health events,
interlock with CES).
Therefore at this point there is no procedure to change this behaviour
across all components.
Because the GUI service does not run as root. the GUI server does not serve
the privileged ports 80 and 443 directly but rather 47443 and 47080.
Tweaking the ports in the server.xml file will only change the native ports
that the GUI uses.
The GUI manages IPTABLES rules to forward ports 443 and 80 to 47443 and
47080.
If these ports are already used by another service, the GUI will not start
up.
Making the GUI ports freely configurable is therefore not a strightforward
change, and currently no on our roadmap.
If you want to emphasize your case as future development item, please let
me know.
I would also be interested in:
> Scale version you are running
> Do you need port 80 or 443 as well?
> Would it work for you if the xCAT service was bound to a single IP
address?
Mit freundlichen Grüßen / Kind regards
Dr. Markus Rohwedder
Spectrum Scale GUI Development
Phone: +49 7034 6430190 IBM Deutschland Research &
Development
E-Mail: rohwedder at de.ibm.com Am Weiher 24
65451 Kelsterbach
Germany
From: Keith Ball <bipcuds at gmail.com>
To: gpfsug-discuss at spectrumscale.org
Date: 22.08.2018 21:33
Subject: [gpfsug-discuss] Changing Web ports for the Spectrum Scale GUI
Sent by: gpfsug-discuss-bounces at spectrumscale.org
Hello All,
Does anyone know how to change the HTTP ports for the Spectrum Scale GUI?
Any documentation or RedPaper I have found deftly avoids discussing this.
The most promising thing I see is
in /opt/ibm/wlp/usr/servers/gpfsgui/server.xml:
<httpEndpoint id="defaultHttpEndpoint" host="*" httpPort="47080"
httpsPort="47443">
<tcpOptions soReuseAddr="true"/>
</httpEndpoint>
but it appears that port 80 specifically is used also by the GUI's Web
service. I already have an HTTP server using port 80 for provisioning
(xCAT), so would rather change the Specturm Scale GUI configuration if I
can.
Many Thanks,
Keith
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