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Problems with multicast task

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FOG Problems
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  • T
    Tom Elliott @Miguel Palacios
    last edited by May 17, 2016, 4:47 PM

    @Miguel-Palacios do me a favor and run

    mv /var/www/fog{,_back}
    ln -s /var/www/html/fog /var/www/fog
    

    Then rerun the installer please. Hopefully this will help.

    Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

    Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

    Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

    1 Reply Last reply Reply Quote 2
    • M
      Miguel Palacios
      last edited by May 18, 2016, 9:29 AM

      @Tom-Elliott, I followed your instructions and all continued same 😞
      Also I have tried to install the new update and not fix the problem…

      Thank you!

      1 Reply Last reply Reply Quote 0
      • M
        Miguel Palacios
        last edited by May 18, 2016, 9:32 AM

        0_1463563925271_a.PNG

        1 Reply Last reply Reply Quote 0
        • G
          gerald.stachl
          last edited by May 18, 2016, 1:48 PM

          Seems to be a similar error than in my Thread (https://forums.fogproject.org/topic/7414/multicast-not-starting)
          array_map(): An error occurred while … …/fogcontroller.class.php
          => php settings? php version?

          1 Reply Last reply Reply Quote 0
          • H
            habu @Tom Elliott
            last edited by Sep 9, 2016, 12:06 AM

            This post is deleted!
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            • H
              habu
              last edited by Sep 9, 2016, 12:15 AM

              This post is deleted!
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              • H
                habu @Miguel Palacios
                last edited by Sep 9, 2016, 12:21 AM

                This post is deleted!
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                • H
                  habu @Tom Elliott
                  last edited by Sep 9, 2016, 12:23 AM

                  @Tom-Elliott
                  I solved this question in my case, perhaps it may help someone.

                  • FOG 1.3-RC1 on CentOS 7.0.
                  • Unicast deploy working.
                  • Even multicast was working.

                  After a system reboot, MulticastManager didn’t start again:

                  Sep 4 06:01:28 clonacion FOGMulticastManager: PHP Fatal error: Call to undefined method MulticastManager::getBanner() in /opt/fog/service/FOGMulticastManager/FOGMulticastManager on line 13

                  It didn’t matter if I added a multicast task: udp-sender process didn’t start because service didn’t start before (you’ll see only one FOGMulticastManager in process list --ps–, it’s the parent which forks periodically one child process (but this one will die at GetBanned method invocation).

                  If I commented GetBanner() invocation out at /opt/fog/service/FOGMulticastManager/FOGMulticastManager, then it failed at next method call to object MulticastManager.

                  I found TWO “MulticastManager” class, one of them extends FOGBase (at lib/fog directory) and the other one extends FOGService (at lib/service directory). Only the last one has defined methods like GetBanner(), etc. By any reason, it uses in some cases wrongly the first one (even when it used the second one after installation because it worked before).

                  So, I renamed MulticastManager class that extends FOGService to MulticastManagerService, and I changed the code to use that. After that, service FOGMulticastService starts with no problems, it works. I did the same thing with rest of services: FOGScheduler,…

                  I resume (for service MulticastManager: repeat it with other services in /opt/fog/services directory):

                  1. Edit /opt/fog/service/FOGMulticastManager/FogMulticastManager file: modify line 8 from $ServiceClass = FOGCore::getClass(‘MulticastManage’); to $ServiceClass = FOGCore::getClass(‘MulticastManagerService’);

                  2. Rename file /var/www/html/fog/lib/service/multicastmanager.class.php to /var/www/html/fog/lib/service/multicastmanagerservice.class.php (/var/www/html/fog is the path to fog web service)

                  3. Edit /var/www/html/fog/lib/service/multicastmanagerservice.class.php and modify the name of this class (line 2) from “class MulticastManager extends FOGService” to “class MulticastManagerService extends FOGService”

                  T 1 Reply Last reply Sep 9, 2016, 12:38 AM Reply Quote 0
                  • H
                    habu
                    last edited by Sep 9, 2016, 12:26 AM

                    This post is deleted!
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                    • T
                      Tom Elliott @habu
                      last edited by Sep 9, 2016, 12:38 AM

                      @habu there is only one multicast manager class. That is the one supposed to be in lib/service

                      The one in lib/fog should read multicast sessions, multicast sessions manager, multicast sessions association, and multicast sessions association manager. Of course without the spaces.

                      Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                      Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                      Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                      H 1 Reply Last reply Sep 9, 2016, 2:28 PM Reply Quote 0
                      • W
                        Wayne Workman
                        last edited by Sep 9, 2016, 12:43 AM

                        I wouldn’t advise trying to modify RC1’s code base. I would advise updating to the latest RC.

                        Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG!
                        Daily Clean Installation Results:
                        https://fogtesting.fogproject.us/
                        FOG Reporting:
                        https://fog-external-reporting-results.fogproject.us/

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                        • T
                          Tom Elliott
                          last edited by Sep 9, 2016, 12:50 AM

                          So based on that information, I suspect the copy back original files broke this for you.

                          Basically copy back works by taking the backup copy and placing back. The installer then copies the new files which simply overwrites same named files.

                          I think this is where things went funny in your case. Multicast manager used to reside in lib/fog and for modularity I moved Linux service files into lib/service.

                          What I can try to do, then, is iterate directories and only allow my files over everything else within those folders.

                          For the time being, would you mind confirming by reinstalling.

                          Then remove the lib/fog/multicastmanager.class.php, then rerun the installer again

                          This should fix the issue you were seeing. Or better yet would simply be to remove the /var/www/html/fog and /var/www/fog folders. Remove the backup folders with rm -rf /home/fog*BACKUP and rerun the installer.

                          I prefer the latter because it will ensure no unwanted remnants will be present as it can’t create a backup and the original backup of the same name won’t be able to operate either.

                          Of course if you have custom files in your fog web root, make a backup first.

                          Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                          Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                          Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                          1 Reply Last reply Reply Quote 0
                          • H
                            habu @Tom Elliott
                            last edited by Sep 9, 2016, 2:28 PM

                            @Tom-Elliott
                            But it seems to wrongly use the one in lib/fog in some cases (and so I get GetBanner() errors, and, if i comment getBanner() call out in service code, then error happens at next method invocation wait_…). After I changed its name (and its file’s name), Reflection find necessary the right class, no errors, all services started again, and multicast is working.

                            Best regards,
                            Javier

                            T 1 Reply Last reply Sep 9, 2016, 2:37 PM Reply Quote 0
                            • T
                              Tom Elliott @habu
                              last edited by Sep 9, 2016, 2:37 PM

                              @habu what I’m saying is its copying data that should not be there. Modifying core files only works around the issue. What I’m suggest will fix the issue permanently for you.

                              Please help us build the FOG community with everyone involved. It's not just about coding - way more we need people to test things, update documentation and most importantly work on uniting the community of people enjoying and working on FOG! Get in contact with me (chat bubble in the top right corner) if you want to join in.

                              Web GUI issue? Please check apache error (debian/ubuntu: /var/log/apache2/error.log, centos/fedora/rhel: /var/log/httpd/error_log) and php-fpm log (/var/log/php*-fpm.log)

                              Please support FOG if you like it: https://wiki.fogproject.org/wiki/index.php/Support_FOG

                              1 Reply Last reply Reply Quote 1
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