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Re: [perfsonar-user] maddash failed to display graphs


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  • From: Zhi-Wei Lu <>
  • To: Andrew Lake <>, "" <>
  • Subject: Re: [perfsonar-user] maddash failed to display graphs
  • Date: Sat, 14 Apr 2018 06:41:54 +0000
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Hi Andy,


I have modified the file /etc/maddash/maddash-server/maddash.yaml 

from


maUrl: 

        default: "http://%row/esmond/perfsonar/archive"

to

maUrl:

        default: "https://%row/esmond/perfsonar/archive"


After I restarted maddash-server, the maUrl didn't change immediately to https on my browsers. On my test maxtrix,  some shows with https, but other stay at http, is it a browser cache side effect?


I am testing it from my home now, it appears that https for maUrl is shown on my browser.


I am having a tough time to force


http://maddash-server/maddash-webui to


https://maddash-server/maddash-webui


using mod_rewrite in 

 /usr/lib/maddash/maddash-webui/.htacess

or in /etc/httpd/conf.d/apache-maddash.conf


RewriteCond %{HTTPS} !=on

RewriteRule ^/?(.*) https://%{SERVER_NAME}/$1 [R,L]


maddash is actually served by a java application, is that right?


Please enlight me how I can achieve that task.  


http://maddash-server/maddash-webui works with https in maUrl in the graphs, though.


Thanks again.


Zhi-Wei Lu

IET-CR-Network Operations Center
University of California, Davis
(530) 752-0155

From: <> on behalf of Zhi-Wei Lu <>
Sent: Friday, April 13, 2018 10:36:36 AM
To: Andrew Lake;
Subject: RE: [perfsonar-user] maddash failed to display graphs
 

Thank you, Andy!

 

Zhi-Wei Lu

IET-CR-Network Operations Center

University of California, Davis

(530) 752-0155

 

From: Andrew Lake <>
Sent: Friday, April 13, 2018 10:34 AM
To: Zhi-Wei Lu <>;
Subject: Re: [perfsonar-user] maddash failed to display graphs

 

Hi,

 

Looks like the issue is that you are visiting the page using https, but the graph URL is loading data from the archive using plain http. Browsers don’t like when web pages do that sort of thing, so they don’t let the graph load. A couple things you can do:

 

 

2. You can update the “<measurement_archive>” section of the mesh-config file you are using to build the dashboard and change the read_url in each to use https instead of http. This will eliminate the problem whether coming from http or https.

 

This isn't a new issue, so not sure if you previously had only visited using http. It’s a side-effect of how maddash includes the graphs.

 

Thanks,

Andy

 

 

 

On April 13, 2018 at 12:43:28 PM, Zhi-Wei Lu () wrote:

Hi all,

 

We have a small maddash grid, which has been working for a long time, but recently it fails to display any graphs.

 

https://grx.noc.ucdavis.edu/maddash-webui/

 

When I hover over the main page, I saw data displayed, but I click on any square, I got error message of “Error retrieving data, An unknown error occurred”.  I just wonder if my old maddash configuration setting was obsolete, do I need to change the configuration to newer format?

 

Thank you.

 

Zhi-Wei Lu

IET-CR-Network Operations Center

University of California, Davis

(530) 752-0155

 




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