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    [RC19] Snapin Replication not working

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    • Tom ElliottT
      Tom Elliott
      last edited by

      The line six in non-issue. It’s just that the replication and snapin replication use the same method. I can fix it, but this is not the issue itself.

      Can you provide any apache error logs? On ubuntu they’re located under: /var/log/apache2/error.log as well I believe Ubuntu 14 still used upstart (while still also used for 16 it’s easier to view things under systemd with systemctl -l status FOGSnapinReplicator) so this may be the ONLY way I can help find things.

      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
      • Tom ElliottT
        Tom Elliott
        last edited by

        Also, is this the whole log?

        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

        M 1 Reply Last reply Reply Quote 0
        • M
          mp12 @Tom Elliott
          last edited by

          @Tom-Elliott
          This is the whole log file.

          apache2/error.log

          [Fri Nov 04 06:39:02.854200 2016] [mpm_prefork:notice] [pid 24852] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2j configured -- resuming normal operations
[Fri Nov 04 06:39:02.854222 2016] [core:notice] [pid 24852] AH00094: Command line: '/usr/sbin/apache2'
[Fri Nov 04 11:14:07.491123 2016] [:error] [pid 6565] [client x.x.x.x:45734] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:07.491156 2016] [:error] [pid 6565] [client x.x.x.x:45734] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:07.579862 2016] [:error] [pid 2684] [client x.x.x.x:46615] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:07.579902 2016] [:error] [pid 2684] [client x.x.x.x:46615] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:08.256304 2016] [:error] [pid 5324] [client x.x.x.x:46661] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:08.256328 2016] [:error] [pid 5324] [client x.x.x.x:46661] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195, referer: http://x.x.x.x/fog/management/index.php?node=home
[Fri Nov 04 11:14:08.625397 2016] [:error] [pid 6958] [client x.x.x.x:50333] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:08.625415 2016] [:error] [pid 6958] [client x.x.x.x:50333] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:08.646214 2016] [:error] [pid 2418] [client x.x.x.x:50334] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:08.646233 2016] [:error] [pid 2418] [client x.x.x.x:50334] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:08.717218 2016] [:error] [pid 2947] [client x.x.x.x:50335] PHP Warning:  PDO::query(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:08.717240 2016] [:error] [pid 2947] [client x.x.x.x:50335] PHP Warning:  PDO::query(): Error reading result set's header in /var/www/fog/lib/db/pdodb.class.php on line 195
[Fri Nov 04 11:14:10.285651 2016] [:error] [pid 6981] [client x.x.x.x:30723] PHP Warning:  PDO::__construct(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 151
[Fri Nov 04 11:14:10.297790 2016] [:error] [pid 6564] [client x.x.x.x:30724] PHP Warning:  PDO::__construct(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 151
[Fri Nov 04 11:14:10.309616 2016] [:error] [pid 30359] [client x.x.x.x:30725] PHP Warning:  PDO::__construct(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 151
[Fri Nov 04 11:14:13.589262 2016] [:error] [pid 27742] [client x.x.x.x:52422] PHP Warning:  PDO::__construct(): MySQL server has gone away in /var/www/fog/lib/db/pdodb.class.php on line 151
[Fri Nov 04 11:14:16.699779 2016] [core:notice] [pid 24852] AH00051: child pid 2947 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Fri Nov 04 11:14:16.699840 2016] [core:notice] [pid 24852] AH00051: child pid 5324 exit signal Segmentation fault (11), possible coredump in /etc/apache2
[Fri Nov 04 11:14:16.699877 2016] [mpm_prefork:notice] [pid 24852] AH00169: caught SIGTERM, shutting down
[Fri Nov 04 11:14:51.672284 2016] [mpm_prefork:notice] [pid 9057] AH00163: Apache/2.4.18 (Ubuntu) OpenSSL/1.0.2j configured -- resuming normal operations
[Fri Nov 04 11:14:51.672320 2016] [core:notice] [pid 9057] AH00094: Command line: '/usr/sbin/apache2'
          Tom ElliottT 1 Reply Last reply Reply Quote 0
          • Tom ElliottT
            Tom Elliott @mp12
            last edited by

            @mp12 When I meant “whole log” i was referring to the replication log (just trying to clarify)?

            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

            M 1 Reply Last reply Reply Quote 0
            • M
              mp12 @Tom Elliott
              last edited by mp12

              @Tom-Elliott
              I also checked the imagereplication.log. It seems that everything is okay.

              I tried to start the FOGSnapinReplicator via php command.
              Here is what I get

              sudo /usr/bin/php -q /opt/fog/service/FOGSnapinReplicator/FOGSnapinReplicator

PHP Fatal error:  Uncaught Error: Call to a member function get() on null in /var/www/fog/lib/service/snapinreplicator.class.php:203
Stack trace:
#0 /var/www/fog/lib/service/snapinreplicator.class.php(271): SnapinReplicator->_commonOutput()
#1 /opt/fog/service/FOGSnapinReplicator/FOGSnapinReplicator(34): SnapinReplicator->serviceRun()
#2 {main}
  thrown in /var/www/fog/lib/service/snapinreplicator.class.php on line 203

              I removed all snapins which followed after “InstallBuildUp19” (see first fogsnapinrep.log) and everything is replicating and working again.
              Every new created snapin will crash the replication.

              Tom ElliottT 1 Reply Last reply Reply Quote 0
              • Tom ElliottT
                Tom Elliott @mp12
                last edited by

                @mp12 Mind jumping on the working-RC-20 branch and see if this is now cleared?

                Basically I’m an idiot and you should slap me…

                The image replicator and snapin replicator services are essentially clones of one another. As imaging replication has been around for a lot longer, it’s relatively simple to know that I more or less copied that service and made modifications to make it “snapin” capable. In one of my many refactors, I forgot to adjust some of the copied lines (only two really I can find currently) that related to actually wanting the snapin, vs, image. I had a line (and you can confirm if you’d like first) at line 203 of /var/www/fog/lib/service/snapinreplicator.class.php that probably has something like $Image->get( when it really should’ve been $Snapin->get.

                I’m sorry :(.

                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

                M 1 Reply Last reply Reply Quote 0
                • M
                  mp12 @Tom Elliott
                  last edited by mp12

                  @Tom-Elliott

                  No one is going to slap you! Thanks for the great support. I update to RC-20.

                  Unfortunately I am get a new error when creating a snapin.

                  Snapin ID 110 is not valid

                  /var/log/apache2/error.log shows:

                  [Mon Nov 07 07:57:40.073360 2016] [:error] [pid 14613] [client x.x.x.x:28288] PHP Warning:  array_map(): Argument #2 should be an array in /var/www/fog/lib/fog/storagenode.class.php on line 216, referer: http://x.x.x.x/fog/management/index.php?node=snapin
                  Tom ElliottT 1 Reply Last reply Reply Quote 0
                  • Tom ElliottT
                    Tom Elliott @mp12
                    last edited by

                    @mp12 There were two things going on here, which have no been republished as RC-20 to ensure all will be well.

                    I renamed a variable for ease, but where it set’s the snapin name was calling the “bad” variable (which was unset) leaving the snapin without a name. All other things worked right (the upload, args, etc…) but would report failed because it was setting the name to a null value which is not allowed.

                    The ID you see shows it actually did get created though.

                    The error message you posted had nothing to do with the create of the snapin, but rather the creating of the “File Exists” listing. My isAvailable method was working properly but not removing the requests from the url queue after it returned the available status. Both of these things are now fixed in RC-20 if you’d be so kind as to repull and reinstall.

                    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

                    M 1 Reply Last reply Reply Quote 0
                    • M
                      mp12 @Tom Elliott
                      last edited by

                      @Tom-Elliott

                      Thanks Tom!
                      Replication works fine again. I also deleted the snapin with ID 110 manully from the db.

                      M 1 Reply Last reply Reply Quote 0
                      • M
                        mp12 @mp12
                        last edited by

                        @Tom-Elliott

                        Server

                        • list itemFOG Version: 1.3.0 RC-21 (6014)
                        • list itemOS: Ubuntu 14.04

                        Client

                        • Service Version: 0.11.5
                        • OS: Win7

                        Description

                        Replication stopped working 😞
                        The Snapins which should get replicated won’t appear in the fogsnapinrep.log file.

                        Tom ElliottT 1 Reply Last reply Reply Quote 0
                        • Tom ElliottT
                          Tom Elliott @mp12
                          last edited by

                          @mp12 Should be re-fixed in the latest.

                          Had a cleanup bit for 21 and missed the count grading system. This should be corrected for now in the working-RC-22 branch (which if I get a test I will push up probably this evening.)

                          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

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                          • Tom ElliottT
                            Tom Elliott
                            last edited by

                            RC-22 officially released.

                            I’m seeing stuff replicating once again.

                            Thanks for informing.

                            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

                            M 1 Reply Last reply Reply Quote 0
                            • M
                              mp12 @Tom Elliott
                              last edited by

                              @Tom-Elliott

                              Nodes are not replicating yet. Restarted the FOGSnapinReplication but nothing new.
                              fogsnapinrep.log shows only existing snapins but not new created ones.
                              apache2/error.log shows nothing new.

                              Tom ElliottT 1 Reply Last reply Reply Quote 0
                              • Tom ElliottT
                                Tom Elliott @mp12
                                last edited by

                                @mp12 Is the snapins set to replicate?

                                Thanks for reminding me on this. I realized recently (but had bigger bugs to tackle first) that the replicate checkbox is not set on fresh creations.

                                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

                                M 1 Reply Last reply Reply Quote 0
                                • M
                                  mp12 @Tom Elliott
                                  last edited by

                                  @Tom-Elliott

                                  Found the error. After creating a new snapin and enabling it on creation, I rechecked the snapin and found that the checkbox Snapin Enabled was empty. Set a check mark, restarted replication and it uploaded the snapisn to the nodes.

                                  1 Reply Last reply Reply Quote 1
                                  • Tom ElliottT
                                    Tom Elliott
                                    last edited by

                                    I found the isEnabled issue. This was only present on new snapins. It’s fixed for RC-23 (while annoying it’s not as important as the functionality of the client which I’m more focused on anyway, among the other issues RC-22 was released to help correct).

                                    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
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