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How to automatically load a new configuration in every boot

Scheduled Pinned Locked Moved General pfSense Questions
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  • S
    stephenw10 Netgate Administrator
    last edited by Jul 28, 2020, 11:54 AM

    That's the main config file so it is loaded at each boot and also updated any time you make a change. No guarantees that won't break at upgrade etc...

    The ECL will actually look for config in all attached disks not just USB:
    https://github.com/pfsense/pfsense/blob/master/src/etc/ecl.php#L48

    So you can likely still use that. That would not require any changes to pfSense, only that a far32 formatted drive is present. It would load the config at every boot though overriding any changes made in the webgui.

    Steve

    U 1 Reply Last reply Jul 28, 2020, 12:09 PM Reply Quote 0
    • U
      Ulysses_ @stephenw10
      last edited by Jul 28, 2020, 12:09 PM

      Changes made with the web interface should be persistent. Is it safer if the entire /cf/conf/ directory becomes the mount point for the private drive?

      1 Reply Last reply Reply Quote 0
      • S
        stephenw10 Netgate Administrator
        last edited by Jul 28, 2020, 12:22 PM

        Neither is safe really. Both are untested and unsupported. It would be entirely down to you to decide if it's functional. 😉

        If it works then great but, as I say, it may well fail somewhere down the line when you update the firmware etc.

        Steve

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        • U
          Ulysses_
          last edited by Jul 28, 2020, 4:57 PM

          Does it make any difference if you specify additional drives and mounting directories during installation? Or these too may not be honored in future versions?

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          • U
            Ulysses_
            last edited by Ulysses_ Jul 28, 2020, 5:24 PM Jul 28, 2020, 4:59 PM

            By the way, a config.xml in the separate drive mounted at /myconfig does not seem to be read at all during boot. That is, after these commands in a brand new VM:

            mkdir /myconfig
            echo "/dev/ada1s1 /myconfig msdosfs rw,noatime 1 1" >> /etc/fstab
            mount /dev/ada1s1
            cp /cf/conf/config.xml /myconfig/
            sed -ic 's/bannedsite/nothing/g' /myconfig/config.xml
            

            Bannedsite is still banned in the DNS resolver after this and a reboot.

            EDIT: forgot the mount command above. But still the same problem.

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            • S
              stephenw10 Netgate Administrator
              last edited by Jul 28, 2020, 5:27 PM

              That's with the linked config file?

              Did that actually alter it as expected?

              Where/when is that script run?

              Steve

              U 1 Reply Last reply Jul 28, 2020, 5:55 PM Reply Quote 0
              • U
                Ulysses_ @stephenw10
                last edited by Ulysses_ Jul 28, 2020, 6:05 PM Jul 28, 2020, 5:55 PM

                @stephenw10 said in How to automatically load a new configuration in every boot:

                That's with the linked config file?

                No, this is brand new, starting from scratch in a freshly installed pfsense. EDIT: Plus a few sites configured in the DNS resolver to point to the local host so they are effectively banned.

                Did that actually alter it as expected?

                There is no linked file and the actual config.xml file in the second drive has been modified as expected, but going to the DNS resolver after boot no modification appears there.

                Where/when is that script run?

                Commands run one by one in the web interface under Diagnostics.

                N 1 Reply Last reply Jul 28, 2020, 7:09 PM Reply Quote 0
                • N
                  netblues @Ulysses_
                  last edited by Jul 28, 2020, 7:09 PM

                  Just an untested idea.
                  What if you configure the xml rpc sync from master to slave, in a daisy chain fashion.
                  Changing something on master would make a ripple propagation to all.
                  The downside is that if one pf is missing the chain breaks..

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                  • S
                    stephenw10 Netgate Administrator
                    last edited by stephenw10 Jul 28, 2020, 7:31 PM Jul 28, 2020, 7:31 PM

                    Ah OK check the boot log. Just after root is mounted you will see the ECL looking for config files.
                    If it finds one:

                    External config loader 1.0 is now starting... da0s1 -> found config.xml
                    Backing up old configuration...
                    Restoring [da0s1] /tmp/mnt/cf/config.xml...
                    Cleaning up...
                    

                    Steve

                    U 1 Reply Last reply Jul 30, 2020, 9:27 AM Reply Quote 0
                    • U
                      Ulysses_ @stephenw10
                      last edited by Jul 30, 2020, 9:27 AM

                      OK, it works as long as you do NOT mount the extra drive with a line in /etc/fstab. Or my line in /etc/fstab is wrong. Here it is again:

                      /dev/ada1s1 /myconfig msdosfs rw,noatime 1 1
                      

                      It is useful to have an extra drive mounted automatically for reasons other than config. Should a bug be filed for this?

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                      • S
                        stephenw10 Netgate Administrator
                        last edited by Jul 30, 2020, 2:24 PM

                        There is almost certainly a feature request open for this already. It's a request most often asked by folks wanting to use a separate driver as a cache or for logs etc.
                        pfSense does not support a config running from multiple drives though and that's unlikely to change.

                        Steve

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                        • U
                          Ulysses_
                          last edited by Ulysses_ Jul 30, 2020, 3:05 PM Jul 30, 2020, 3:05 PM

                          Let's not mount that extra drive at boot then but well after the ECL does its thing. Where's a proper place to put the mount command? Would also need to remember to manually save (backup) any changes to the config to the extra drive or perhaps modify another script?

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