Resize disk using vagrant builder

Sergio Alonso

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Oct 30, 2020, 6:08:49 AM10/30/20

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Hi,

Is there any way to increase the disk size using vagrant builder?

Sometimes the disk space is not enough to do whatever you want in the provision.

For example: debian/buster64 is setting 20G while debian/jessie64 is setting only 10G.

How could I get 20G also using the debian/jessie64 box?

{
    "builders": [{
   "communicator": "ssh",
   "source_path": "debian/buster64",
   "type": "vagrant"
    }],
    "description": "Test disk size",
    "min_packer_version": "1.6.5",
    "provisioners": [{
   "execute_command": "echo 'vagrant' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
   "inline": ["lsblk", "df -h"],
   "type": "shell"
    }]
}

==> vagrant: Creating a Vagrantfile in the build directory...
==> vagrant: Adding box using vagrant box add ...
    vagrant: (this can take some time if we need to download the box)
==> vagrant: Calling Vagrant Up (this can take some time)...
==> vagrant: Using ssh communicator to connect: 192.168.121.73
==> vagrant: Waiting for SSH to become available...
==> vagrant: Connected to SSH!
==> vagrant: Provisioning with shell script: /tmp/packer-shell476965872
    vagrant: NAME   MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
    vagrant: vda    254:0    0   20G 0 disk
    vagrant: `-vda1 254:1    0 18.6G 0 part /
    vagrant: Filesystem      Size Used Avail Use% Mounted on
    vagrant: udev            228M     0 228M   0% /dev
    vagrant: tmpfs            49M 1.6M   47M   4% /run
    vagrant: /dev/vda1        19G 864M   17G   5% /
    vagrant: tmpfs           242M     0 242M   0% /dev/shm
    vagrant: tmpfs           5.0M     0 5.0M   0% /run/lock
    vagrant: tmpfs           242M     0 242M   0% /sys/fs/cgroup
    vagrant: tmpfs            49M     0   49M   0% /run/user/1000
==> vagrant: Packaging box...
==> vagrant: destroying Vagrant box...
Build 'vagrant' finished after 1 minute 12 seconds.

{
    "builders": [{
   "communicator": "ssh",
   "source_path": "debian/jessie64",
   "type": "vagrant"
    }],
    "description": "Test disk size",
    "min_packer_version": "1.6.5",
    "provisioners": [{
   "execute_command": "echo 'vagrant' | {{.Vars}} sudo -S -E bash '{{.Path}}'",
   "inline": ["lsblk", "df -h"],
   "type": "shell"
    }]
}

==> vagrant: Deleting previous output directory...
==> vagrant: Creating a Vagrantfile in the build directory...
==> vagrant: Adding box using vagrant box add ...
    vagrant: (this can take some time if we need to download the box)
==> vagrant: Calling Vagrant Up (this can take some time)...
==> vagrant: Using ssh communicator to connect: 192.168.121.20
==> vagrant: Waiting for SSH to become available...
==> vagrant: Connected to SSH!
==> vagrant: Provisioning with shell script: /tmp/packer-shell536004430
    vagrant: NAME   MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
    vagrant: vda    254:0    0   10G 0 disk
    vagrant: `-vda1 254:1    0 9.3G 0 part /
    vagrant: Filesystem      Size Used Avail Use% Mounted on
    vagrant: /dev/vda1       9.2G 732M 8.0G   9% /
    vagrant: udev             10M     0   10M   0% /dev
    vagrant: tmpfs            99M 4.3M   95M   5% /run
    vagrant: tmpfs           248M     0 248M   0% /dev/shm
    vagrant: tmpfs           5.0M     0 5.0M   0% /run/lock
    vagrant: tmpfs           248M     0 248M   0% /sys/fs/cgroup
==> vagrant: Packaging box...
==> vagrant: destroying Vagrant box...
Build 'vagrant' finished after 1 minute 64 milliseconds.

Thanks.

dragon788

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Nov 5, 2020, 9:56:12 PM11/5/20

to Packer

I believe someone had worked on a `vagrant-repack` type builder that let you take an existing box and build on top of it. I'll see if I can find where that has gotten to.

dragon788

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Nov 5, 2020, 10:05:19 PM11/5/20

to Packer

https://github.com/hashicorp/packer/pull/7221

Sergio Alonso

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Nov 6, 2020, 4:09:03 AM11/6/20

to packe...@googlegroups.com

Hi dragon78,

Thanks for the reply. Yes I'm using the vagrant builder.

But my problem is that I could not find a way to resize the disk space using that builder.

As I said in the previous email debian/jessie64 box is defined with a 10GB disk by default. And I need more than that for the provisioning steps.

I could not find a way in vagrant builder to assign, for example, "disk_size"="20G", as qemu builder does.

Regards.

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