ubuntu¶
Use Ubuntu cloud images as the baseline for built disk images.
Overrides:
To use a non-default URL for downloading base Ubuntu cloud images, use the environment variable
DIB_CLOUD_IMAGES
To download a non-default release of Ubuntu cloud images, use the environment variable
DIB_RELEASE
. This element will export theDIB_RELEASE
variable.Use
DIB_DISTRIBUTION_MIRROR
to override thesources.list
with an alternative mirrorSetting
DIB_DISTRIBUTION_MIRROR_UBUNTU_IGNORE
to an extended-regexp (i.e. the argument to the=~
bash comparitor) which, when matched, will not set that line to theDIB_DISTRIBUTION_MIRROR
. For example, if your local mirror does not mirror the universe and multiverse components, set this to(universe|multiverse)
Setting
DIB_DISTRIBUTION_MIRROR_UBUNTU_INSECURE
updates apt settings to allow insecure/unuthenticated repositories.Setting
DIB_OFFLINE
will prevent to download again the source image if is already present in to $DIB_IMAGE_CACHE path.Setting
DIB_LOCAL_IMAGE
to use a image from a local source (full path and file name) and not download image from internet. Local source for release Trusty have to be tar.gz format. For other more recent release get the squashfs image.