Since inspect_graph.php is making its own http request, it's not going to be aware of the auth credentials you've supplied from your client. Hence file_get_contents() gets a 401 response from the server.
It might help to alter your authentication configuration to allow all requests from localhost. (Just thinking out loud.) alex On May 22, 2012, at 8:20 AM, Jochen Hein wrote: > Hello, > > I've upgrade our ganglia server to ganglia-gweb 3.4.2. > > We use external authentification to ganglia. In httpd.conf we have: > > <Directory "/var/www/htdocs/ganglia"> > AuthType Basic > AuthName "Ganglia" > AuthUserFile /opt/freeware/etc/httpd/http_user > Require valid-user > > </Directory> > > When I first open the Web frontend, I have to enter username and > password and can then use Ganglia. > > When I try to inspect a graph, I get in the error_log: > > [Tue May 22 14:23:43 2012] [error] [client x.y.z.7] PHP Warning: > file_get_contents(http://ganglia.example.com/ganglia/graph.php > ?flot=1&h=myhost&m=cpu_used&r=hour&s=by%20name&hc=4&mc=2&st=1337689406&g=cpu_used_report&z=la > rge&c=B3) [<a > href='function.file-get-contents'>function.file-get-contents</a>]: failed > to open stream: HTTP request failed! HT > TP/1.1 401 Authorization Required\r\n in > /var/www/htdocs/ganglia/inspect_graph.php on line 28, referer: > http://ganglia.example.com/g > anglia/?r=hour&cs=&ce=&m=cpu_used&s=by+name&c=B3&h=myhost&host_regex=&max_graphs=0&tab=m&vn=&sh=1&z=small&hc=4 > [Tue May 22 14:23:43 2012] [error] [client x.y.z.7] PHP Warning: Invalid > argument supplied for foreach() in /var/www/htdocs/ga > nglia/inspect_graph.php on line 30, referer: > http://ganglia.example.com/ganglia/?r=hour&cs=&ce=&m=cpu_used&s=by+name&c=B3&h=myhost&host_regex=&max_graphs=0&tab=m&vn=&sh=1&z=small&hc=4 > ERROR: Garbage found where STACK expected > > Any ideas how that can be fixed? > > Jochen > > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > Ganglia-general mailing list > Ganglia-general@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ganglia-general > ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Ganglia-general mailing list Ganglia-general@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ganglia-general
