perfsonar development work

[Guilherme Fernandes <>]

Frederic LOUI wrote:
> Sorry to bother you with that, but as I'm trying to "catch up the 
> train" ... ;-)
> do you have any updated document/recommendation regarding how the 
> developers should build perfsonar rpms ?
I think the perfSONAR-MDM-product-build-guide covers everything. It 
might be a good idea to build a troubleshooting FAQ with the questions 
and issues that have already been presented.
> So, I can figure out what exactly goes wrong when supporting the 
> developers ?
> Maybe everything is on the wiki ?
>
> Did you test the document with CL-MP and I guess it has worked ?! ;-)
Yes, we tested RRD-MA and CL-MP without problems.

Cheers,

Guilherme
> Thnks in advance !
> Cheers/Frederic
>
> Guilherme Fernandes a écrit :
> > Stijn Melis wrote:
> > > Hi,
> > Hi Stijn,
> > > > Normally, all the packages, perfsonar-tomcat and perfsonar-exist
> > > > should install files that belongs to perfsonar user. So all the 
> > > > folder perfsonar-tomcat and perfsonar-exist
> > > > should have the following UNIX access rights: perfsonar:perfsonar 
> > > > with read/write access for user perfsonar.
> > >
> > > This is the case at the moment. I have this as output:
> > >
> > > [perfsonar@localhost
> > >  ~]$ pwd
> > > /home/perfsonar
> > > [perfsonar@localhost
> > >  ~]$ ls -l
> > > total 18192
> > > -rw-r--r-- 1 root      root      18565049 2008-02-06 10:18 
> > > geant2_java-sshtelnet-mp-1.3RC1-1.i386.rpm
> > > lrwxrwxrwx 1 perfsonar perfsonar       37 2008-02-05 15:46 
> > > perfsonar-exist -> /home/perfsonar/perfsonar-exist-1.1.1
> > > drwxr-xr-x 2 perfsonar perfsonar     4096 2008-02-05 15:46 
> > > perfsonar-exist-1.1.1
> > > lrwxrwxrwx 1 perfsonar perfsonar       38 2008-02-05 15:46 
> > > perfsonar-tomcat -> /home/perfsonar/perfsonar-tomcat-6.0.7
> > > drwxr-xr-x 9 perfsonar perfsonar     4096 2008-02-06 11:33 
> > > perfsonar-tomcat-6.0.7
> > > drwxr-xr-x 3 perfsonar perfsonar     4096 2008-02-06 11:33 webapps
> > > [perfsonar@localhost
> > >  ~]$ cd webapps/
> > > [perfsonar@localhost
> > >  webapps]$ ls -l
> > > total 12
> > > lrwxrwxrwx 1 perfsonar perfsonar   55 2008-02-06 11:33 
> > > geant2_java-sshtelnet-mp -> 
> > > /home/perfsonar/webapps/geant2_java-sshtelnet-mp-1.3RC1
> > > drwxr-xr-x 4 perfsonar perfsonar 4096 2008-02-06 11:33 
> > > geant2_java-sshtelnet-mp-1.3-RC1
> > >
> > > As you can see the symbolic link also belongs to the perfsonar user, 
> > > yet when I try to go to that directory I get an error.
> > >
> > > [perfsonar@localhost
> > >  webapps]$ cd geant2_java-sshtelnet-mp
> > > -bash: cd: geant2_java-sshtelnet-mp: No such file or directory
> > >
> > > I tried going to that directory as root, and even this does not 
> > > work. I get the same error.
> > >
> > > [root@localhost
> > >  webapps]# cd geant2_java-sshtelnet-mp
> > > -bash: cd: geant2_java-sshtelnet-mp: No such file or directory
> > >
> > > Tomcat also doesn't start the webservice, because it can't access 
> > > that directory.
> > The problem here is that the symbolic link is wrong, it's pointing to 
> > /home/perfsonar/webapps/geant2_java-sshtelnet-mp-1.3RC1 (note there's 
> > a dash missing before RC1). This can be due to the input given at the 
> > questions made by the rpm_maker script or maybe a bug of some kind. 
> > Did you give as input the name geant2_java-sshtelnet-mp and version 
> > 1.3-RC1?
> > > > When you build your own package (using perfsonar user) make sure 
> > > > that all the files you install
> > > > have also the same UNIX access right. (i.e perfsonar:perfsonar with 
> > > > read/write access for perfsonar user)
> > > >
> > > > Make sure that during the telnet/ssh mp rpm building process all 
> > > > these UNIX rights are set accordingly.
> > >
> > > This is output of the machine I built the rpm on:
> > >
> > > [perfsonar@localhost
> > >  ~]$ ls -l
> > > total 44
> > > drwxr-xr-x  9 perfsonar perfsonar 4096 Feb  5 15:33 apache-tomcat-6.0.7
> > > drwxr-xr-x 10 perfsonar perfsonar 4096 Feb  5 15:33 
> > > geant2_java-sshtelnet-mp-1.3-RC1
> > > drwxr-xr-x  9 perfsonar perfsonar 4096 Feb  6 10:17 rpm
> > > -rw-r--r--  1 perfsonar perfsonar 7127 Jan 30 15:00 rpm_maker.pl
> > > drwxr-xr-x  3 perfsonar perfsonar 4096 Feb  5 15:42 webapps
> > > [perfsonar@localhost
> > >  ~]$ cd webapps/
> > > [perfsonar@localhost
> > >  webapps]$ ls -l
> > > total 12
> > > lrwxrwxrwx 1 perfsonar perfsonar   57 Feb  5 15:42 
> > > geant2_java-sshtelnet-mp -> 
> > > /home/perfsonar/webapps/geant2_java-sshtelnet-mp-1.3-RC1/
> > > drwxr-xr-x 4 perfsonar perfsonar 4096 Feb  5 15:41 
> > > geant2_java-sshtelnet-mp-1.3-RC1
> > >
> > > Once again, the symbolic link belongs to the perfsonar user. And 
> > > here I can go into this directory using the perfsonar user:
> > >
> > > [perfsonar@localhost
> > >  webapps]$ cd geant2_java-sshtelnet-mp
> > > [perfsonar@localhost
> > >  geant2_java-sshtelnet-mp]$ ls
> > > default.css               happyaxis.jsp  index.jsp     
> > > perfsonar_logo.gif
> > > fingerprint.jsp           i18nLib.jsp    main.css      WEB-INF
> > > geant2_java-sshtelnet-mp  index.html     partners.gif  wsdd
> > >
> > > I use two different machines (both in VMware), the one I build the 
> > > rpm on is Fedora Core 6, and the other one is Fedora Core 8. Does 
> > > this make a difference?
> > Shouldn't make any difference, and here the symbolic link is fine.
> > > > Just be careful when executing perfsonar-tomcat as root, because 
> > > > all the files created at this time will be owned by root (e.g 
> > > > root:root). So afterwads if you launch the perfsonar-tomcat as 
> > > > perfsonar user, tomcat won't start because of the files permission ...
> > > >
> > > > If you're not sure, log as root and issue the followinf command:
> > > > chown -R perfsonar:perfsonar ~perfsonar
> > > > chmod -R u+rw perfsonar:perfsonar ~perfsonar
> > >
> > > The chmod command does not seem to work.
> > >
> > > [root@localhost
> > >  webapps]# chmod -R u+rw perfsonar:perfsonar ~perfsonar
> > > chmod: cannot access `perfsonar:perfsonar': No such file or directory
> > The chmod command doesn't change ownership, you can use the chown 
> > command for that (e.g. chown -R perfsonar:perfsonar ~perfsonar and 
> > then chmod u+rw ~perfsonar), but I think you don't have a problem 
> > with ownership or permissions at the moment.
> >
> > Best regards,
> >
> > Guilherme
> > > > Hope this help.
> > > > Best regards/Frederic
> > >
> > > Thanks,
> > >
> > > Stijn