ef2aa6e8a1
Fixes bug 1184943 Adding an element that allows other elements to register repositories it would like to be retrieved for it. Doing this outside of the chroot allows locally cached repositories to be used. It also gives the ability to d-i-b to specify what revision to use if an alternative to the most recent is required. Effectively allowing a CI system to test d-i-b and elements without being effected by unavailable git repositories or breakages in actively developed source code being used by the elements. Change-Id: I1527facebaad256a357af680e017b34b1788575d |
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| README.md | ||
With this element other elements can register source code repositories by placing their details in the file source-repository-*. An example of an element "custom-element" that wants to retrieve the ironic source from git and pbr from a tarball would be
File : elements/custom-element/source-repository-ironic
#<name> <type> <destination> <location> [<ref>]
# <ref> defaults to master if not specified
ironic git /usr/local/ironic git://github.com/openstack/ironic.git
File : elements/custom-element/source-repository-pbr
pbr tar /usr/local/pbr http://tarballs.openstack.org/pbr/pbr-master.tar.gz
diskimage-builder will then retrieve the sources specified and place them at the directory <destination>
A number of environment variables can be set by the process calling diskimage-builder which can change the details registered by the element, these are
DIB_REPOTYPE_<name> : change the registered type
DIB_REPOLOCATION_<name> : change the registered location
DIB_REPOREF_<name> : change the registered reference
for example if you would like diskimage-builder to get ironic from a local mirror you could set DIB_REPOLOCATION_ironic=git://localgitserver/ironic.git
Git sources will be cloned to <destination>
Tarballs will be extracted to <destination>. Tarballs should contain a single topleval directory, regardless of the name of this top level directory it will be renamed to <destination>