ubuntu-minimal¶
The ubuntu-minimal element uses debootstrap for generating a
minimal image. In contrast the ubuntu element uses the cloud-image
as the initial base.
Note
You will need to install a working debootstrap for diskimage-builder. The version you install may not support all Debian and Ubuntu releases that you want to bootstrap. Consider using the zuul/nodepool-builder docker image instead as maximum compatibility is attempted there.
By default this element creates the latest LTS release. The exact setting can
be found in the ubuntu-common
element’s environment.d directory in the variable DIB_RELEASE. If a
different release of Ubuntu should be created, the variable DIB_RELEASE can
be set appropriately.
Note that this element installs systemd-sysv as the init system for
18.04+.
Environment Variables¶
- DIB_UBUNTU_KERNEL:
- Required
No
- Default
linux-image-generic- Description
Specifies the kernel meta package to install in the image.
- Example
DIB_UBUNTU_KERNEL=linux-image-kvm- Options
linux-image-generic,linux-image-kvm,linux-image-virtual- Notes
The element must know about the package, otherwise it will select the default.
- DIB_UBUNTU_MIRROR_DISTS:
- Required
No
- Default
updates,security,backports- Description
Allow to manage ‘dists’ repos
- Example
DIB_UBUNTU_MIRROR_DISTS=updates,security- Notes
For some deployment, is may be required to disable backport|update|etc packages integration.
