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Re: Bump Vagrant image size

Follow up on:

Emmanuel Kasper:
I think I would need at that point more context about your setup so that we direct you to the best Debian cloud image for your needs:

*  you said you use the boxes to build android packages. Are you using a single box to build all your packages ? Is that part of a CI pipeline ? Which security issue and performance (metrics) have you noticed when using a large shared directory ?

This is used to build Android apps (APKs). We use a standard box to build any app. It is provisioned and snapshotted. It is reset between each APK build so each APK build starts from a clean VM. We don't use any shared directories at all in the build process. The build job gets what it needs from the network. The provisioned box is currently about 15GB. Many app builds will end up using a lot more than 5GB in the process. Things like browsers, VLC, etc. will sometimes use more than 100GB of disk space in the build process.

*  also the generic image (https://cloud.debian.org/cdimage/cloud/bullseye/20210814-734/debian-11-generic-amd64-20210814-734.json) distributed in https://cloud.debian.org/images/cloud/ is built as such that if you change from the hypervisor side the disk image size, the root fs will automatically grow For this you would need an hypervisor with cloud-init support, the heavyweight contender is OpenStack, you have also Proxmox VE or oVirt.

What do you think ? I would suggest to reach out the debian-cloud mailing with answers on this, on we'll try to guide you at best.

We use libvirt and VirtualBox with Vagrant, so I have no opinion on the other kinds of boxes or images. With the libvirt Vagrant box, we already can resize it as part of the setup procedure. That works fine. We have found no good way to do that with the VirtualBox Vagrant boxes. That's what this issue is about. We've maintained our own boxes purely because we need the disk space limit to be a lot higher. Since the actual image grows with usage, we have seen no downside to setting the box's initial disk size to 1TB.

We'd rather contribute to maintaining these official boxes, than maintain our own fork. For example, we've developed methods to do strong verification of boxes as part of our provisioning.


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