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Cloudron Forum

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  1. Cloudron Forum
  2. Feature Requests
  3. Storage limits per-app

Storage limits per-app

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  • ? A Former User

    Is this something that is possible? The use case here is providing testing environments to clients for apps that allow user generated content. This can be useful to make sure a single app does not fill a drive.

    murgeroM Offline
    murgeroM Offline
    murgero
    App Dev
    wrote on last edited by
    #4

    @atrilahiji Interesting request and interesting use case - I think it's a neat idea but only for certain apps (mail, lamp, surfer, nextcloud (especially!), and social networks like Mastodon and pixelfed)

    Not sure how the implementation would be though

    --
    https://urgero.org
    ~ Professional Nerd. Freelance Programmer. ~

    jdaviescoatesJ ? 2 Replies Last reply
    0
    • murgeroM murgero

      @atrilahiji Interesting request and interesting use case - I think it's a neat idea but only for certain apps (mail, lamp, surfer, nextcloud (especially!), and social networks like Mastodon and pixelfed)

      Not sure how the implementation would be though

      jdaviescoatesJ Offline
      jdaviescoatesJ Offline
      jdaviescoates
      wrote on last edited by
      #5

      @murgero @atrilahiji one way I guess this could be done right now would be create an external volume (e.g. a Hetzner Cloud Volume) and use that as the data folder for the app you don't want filling up the primary disk. You can also check the usage of this disk volume in System info.

      I use Cloudron with Gandi & Hetzner

      1 Reply Last reply
      0
      • murgeroM murgero

        @atrilahiji Interesting request and interesting use case - I think it's a neat idea but only for certain apps (mail, lamp, surfer, nextcloud (especially!), and social networks like Mastodon and pixelfed)

        Not sure how the implementation would be though

        ? Offline
        ? Offline
        A Former User
        wrote on last edited by
        #6

        @murgero Exactly, I was thinking for stuff like Nextcloud or Moodle specifically.

        1 Reply Last reply
        1
        • girishG Offline
          girishG Offline
          girish
          Staff
          wrote on last edited by
          #7

          If anyone knows how this can be done on linux, I am open to investigating this. As in how does mount a storage directory into a docker container that has a specific size? I can only think of some (sparse) file based loopback filesystem. I don't like that approach and would prefer some other alternative. I haven't looked into recent developments in linux quota system.

          M MooCloud_MattM 2 Replies Last reply
          0
          • girishG girish

            If anyone knows how this can be done on linux, I am open to investigating this. As in how does mount a storage directory into a docker container that has a specific size? I can only think of some (sparse) file based loopback filesystem. I don't like that approach and would prefer some other alternative. I haven't looked into recent developments in linux quota system.

            M Offline
            M Offline
            msbt
            App Dev
            wrote on last edited by
            #8

            @girish what about https://docs.docker.com/engine/reference/commandline/run/#set-storage-driver-options-per-container (from https://stackoverflow.com/questions/38542426/docker-container-specific-disk-quota)

            girishG 1 Reply Last reply
            1
            • robiR Offline
              robiR Offline
              robi
              wrote on last edited by
              #9

              If storage for Apps was integrated with container attached storage from MayaData.com, this would be an easier option.

              This will also help Apps be more distributed and clustered, among other benefits.

              Conscious tech

              MooCloud_MattM 1 Reply Last reply
              0
              • girishG girish

                If anyone knows how this can be done on linux, I am open to investigating this. As in how does mount a storage directory into a docker container that has a specific size? I can only think of some (sparse) file based loopback filesystem. I don't like that approach and would prefer some other alternative. I haven't looked into recent developments in linux quota system.

                MooCloud_MattM Offline
                MooCloud_MattM Offline
                MooCloud_Matt
                wrote on last edited by
                #10

                @girish
                it can be done with LVM, btrfs or ZFS.
                And their relative Docker driver, can be an option with an installation on ubuntu + one of those FS.

                Matteo. R.
                Founder and Tech-Support Manager.
                MooCloud MSP
                Swiss Managed Service Provider

                1 Reply Last reply
                0
                • robiR robi

                  If storage for Apps was integrated with container attached storage from MayaData.com, this would be an easier option.

                  This will also help Apps be more distributed and clustered, among other benefits.

                  MooCloud_MattM Offline
                  MooCloud_MattM Offline
                  MooCloud_Matt
                  wrote on last edited by
                  #11

                  @robi said in Storage limits per-app:

                  MayaData.com

                  I think they use OpenEBS, and as all the distributed storage solutions are complicated to set up, we use Ceph and need a dedicated port on the cluster server for the sync job, not as a requirement but as a need for reasonable performance to be able to use there features.

                  Matteo. R.
                  Founder and Tech-Support Manager.
                  MooCloud MSP
                  Swiss Managed Service Provider

                  robiR 1 Reply Last reply
                  0
                  • M msbt

                    @girish what about https://docs.docker.com/engine/reference/commandline/run/#set-storage-driver-options-per-container (from https://stackoverflow.com/questions/38542426/docker-container-specific-disk-quota)

                    girishG Offline
                    girishG Offline
                    girish
                    Staff
                    wrote on last edited by
                    #12

                    @msbt Interesting link, thanks. I wonder if it works for volumes also. It says it depends on the "volume plugin". Have to investigate. On Cloudron, the data directory is just a normal volume and doesn't use any plugin and it's unclear if that standard thing supports storage-opt.

                    1 Reply Last reply
                    0
                    • MooCloud_MattM MooCloud_Matt

                      @robi said in Storage limits per-app:

                      MayaData.com

                      I think they use OpenEBS, and as all the distributed storage solutions are complicated to set up, we use Ceph and need a dedicated port on the cluster server for the sync job, not as a requirement but as a need for reasonable performance to be able to use there features.

                      robiR Offline
                      robiR Offline
                      robi
                      wrote on last edited by
                      #13

                      @moocloud_matt said in Storage limits per-app:

                      OpenEBS

                      Yes, but there is a more advanced version at MayaData.

                      @staff and I have spoken with them before.

                      Conscious tech

                      robiR 1 Reply Last reply
                      0
                      • robiR robi referenced this topic on
                      • girishG girish referenced this topic on
                      • AizatA Offline
                        AizatA Offline
                        Aizat
                        wrote on last edited by
                        #14

                        Any news about this? This is very useful especially if we're giving access to our clients who may overuse the storage in some of the apps on Cloudron.

                        girishG 1 Reply Last reply
                        3
                        • AizatA Aizat

                          Any news about this? This is very useful especially if we're giving access to our clients who may overuse the storage in some of the apps on Cloudron.

                          girishG Offline
                          girishG Offline
                          girish
                          Staff
                          wrote on last edited by
                          #15

                          @Aizat Still looking for suggestions to my comment https://forum.cloudron.io/topic/5103/storage-limits-per-app/7

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                          • girishG girish referenced this topic on
                          • girishG Offline
                            girishG Offline
                            girish
                            Staff
                            wrote on last edited by
                            #16

                            Maybe we have use usrquota - https://www.digitalocean.com/community/tutorials/how-to-set-filesystem-quotas-on-ubuntu-18-04 . I guess this involves creating a user per app.

                            XFS has pquota - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_file_systems/assembly_limiting-storage-space-usage-on-xfs-with-quotas_managing-file-systems . EXT4 has prjquota - https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/managing_file_systems/assembly_limiting-storage-space-usage-on-ext4-with-quotas_managing-file-systems

                            Also, found that there is a --storage-size when using XFS in Docker - https://docs.docker.com/engine/reference/commandline/run/#set-storage-driver-options-per-container

                            1 Reply Last reply
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                            • robiR robi

                              @moocloud_matt said in Storage limits per-app:

                              OpenEBS

                              Yes, but there is a more advanced version at MayaData.

                              @staff and I have spoken with them before.

                              robiR Offline
                              robiR Offline
                              robi
                              wrote on last edited by
                              #17

                              This was also addressed in OpenEBS - https://github.com/openebs/dynamic-localpv-provisioner/issues/13

                              Conscious tech

                              girishG 1 Reply Last reply
                              0
                              • robiR robi

                                This was also addressed in OpenEBS - https://github.com/openebs/dynamic-localpv-provisioner/issues/13

                                girishG Offline
                                girishG Offline
                                girish
                                Staff
                                wrote on last edited by
                                #18

                                @robi Nice find, looks like they implemented this as XFS only. Most VPS providers use EXT4 by default afaik.

                                robiR 1 Reply Last reply
                                0
                                • girishG girish

                                  @robi Nice find, looks like they implemented this as XFS only. Most VPS providers use EXT4 by default afaik.

                                  robiR Offline
                                  robiR Offline
                                  robi
                                  wrote on last edited by
                                  #19

                                  @girish It does not matter that VPS providers use as you control what happens inside containers.

                                  If you choose to attach container volumes they can be XFS layers with all the nice tools XFS comes with, which EXT4 lacks.

                                  Similarly for attaching external volumes of additional space apart from the default FS the OS is installed on.

                                  Conscious tech

                                  girishG 1 Reply Last reply
                                  0
                                  • robiR robi

                                    @girish It does not matter that VPS providers use as you control what happens inside containers.

                                    If you choose to attach container volumes they can be XFS layers with all the nice tools XFS comes with, which EXT4 lacks.

                                    Similarly for attaching external volumes of additional space apart from the default FS the OS is installed on.

                                    girishG Offline
                                    girishG Offline
                                    girish
                                    Staff
                                    wrote on last edited by
                                    #20

                                    @robi the volumes can be XFS, but it requires a backing device. On a standard VPS, this means that we have to create a (big enough) file on EXT4 file system and then format it as XFS. This setup has the usual issues of loopback devices - what size this initial file should be, how to resize it live to increase/decrease storage etc. Not sure how well this performs either.

                                    robiR AizatA 2 Replies Last reply
                                    0
                                    • girishG girish

                                      @robi the volumes can be XFS, but it requires a backing device. On a standard VPS, this means that we have to create a (big enough) file on EXT4 file system and then format it as XFS. This setup has the usual issues of loopback devices - what size this initial file should be, how to resize it live to increase/decrease storage etc. Not sure how well this performs either.

                                      robiR Offline
                                      robiR Offline
                                      robi
                                      wrote on last edited by
                                      #21

                                      @girish yep, or do a little parted scripting first to have a device backed partition avoiding loopback issues for a more static setup..

                                      wanna make changes? restore from remote backup.

                                      For a more dynamic setup integrate OpenEBS/MayaData so you can keep attaching additional extent layers or do virtual migrations to different sized container attached storage mounts.

                                      Conscious tech

                                      1 Reply Last reply
                                      0
                                      • girishG girish referenced this topic on
                                      • girishG girish referenced this topic on
                                      • girishG girish

                                        @robi the volumes can be XFS, but it requires a backing device. On a standard VPS, this means that we have to create a (big enough) file on EXT4 file system and then format it as XFS. This setup has the usual issues of loopback devices - what size this initial file should be, how to resize it live to increase/decrease storage etc. Not sure how well this performs either.

                                        AizatA Offline
                                        AizatA Offline
                                        Aizat
                                        wrote on last edited by
                                        #22

                                        @girish Hi, is there any news about the storage limits per-app implementation?

                                        girishG 1 Reply Last reply
                                        0
                                        • AizatA Aizat

                                          @girish Hi, is there any news about the storage limits per-app implementation?

                                          girishG Offline
                                          girishG Offline
                                          girish
                                          Staff
                                          wrote on last edited by
                                          #23

                                          @Aizat No plans yet. But as a workaround, you can always do this:

                                          • Setup a block storage of appropriate size
                                          • Then, add it as Cloudron Volume
                                          • Move app's data directory into the Volume

                                          That way, the app cannot use more data than the volume itself. This does not cover databasize size which is stored outside the volume.

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