project-config/nodepool/elements/cache-devstack/README.rst
Ian Wienand 3466674297 Cache zanata cli tools
Cache zanata cli tools during build, and up the prep-zanata role to
look for the cached version in preference to dowloading.

Change-Id: If70f3386d0350c94dd1548e7f3c60a1d02914824
2017-12-04 16:06:18 +11:00

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cache-devstack
==============
Pre-cache a range of things into CI images. This element uses the
``source-repositories`` element to acquire files to be cached. The
standard cache location is ``/opt/cache/files``.
A number of strategies are used to get the files to be cached.
We have a number of ``source-repository-*`` files for each package
package that should be cached into images.
``extra-data.d/55-cache-devstack-repos`` goes through each devstack
branch and runs the ``tools/image_list.sh`` script to dynamically
build a list of files to cache as requested by devstack. This is
mostly virtual machine images, but also some other peripheral packages.