1f4fb1d7a5
Patch allow to set path for local image source, instead download latest or use the cached image. This permit to build image also in environment without internet access. Change-Id: I9422e21c5d0445e31d5a7258aa7310b20e39b929
32 lines
1.4 KiB
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32 lines
1.4 KiB
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======
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ubuntu
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======
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Use Ubuntu cloud images as the baseline for built disk images.
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Overrides:
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* To use a non-default URL for downloading base Ubuntu cloud images,
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use the environment variable ``DIB_CLOUD_IMAGES``
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* To download a non-default release of Ubuntu cloud images, use the
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environment variable ``DIB_RELEASE``. This element will export the
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``DIB_RELEASE`` variable.
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* Use ``DIB_DISTRIBUTION_MIRROR`` to override the ``sources.list``
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with an alternative mirror
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* Setting ``DIB_DISTRIBUTION_MIRROR_UBUNTU_IGNORE`` to an
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extended-regexp (i.e. the argument to the ``=~`` bash comparitor)
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which, when matched, will *not* set that line to the
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``DIB_DISTRIBUTION_MIRROR``. For example, if your local mirror
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does not mirror the universe and multiverse components, set this to
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``(universe|multiverse)``
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* Setting ``DIB_DISTRIBUTION_MIRROR_UBUNTU_INSECURE`` updates apt
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settings to allow insecure/unuthenticated repositories.
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* Setting ``DIB_OFFLINE`` will prevent to download again the source image
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if is already present in to $DIB_IMAGE_CACHE path.
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* Setting ``DIB_LOCAL_IMAGE`` in combination with ``DIB_OFFLINE`` to
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use a image from a local source (full path and file name) and not
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download image from internet. Local source for release Trusty and Xenial
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have to be tar.gz format. For other more recent release get the squashfs image.
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.. element_deps::
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