Hi, On Sun, Feb 18, 2018 at 10:25 PM, Ian Wienand <iwien...@redhat.com> wrote:
> Hi, > > How should we go about restricting certain image builds to specific > nodepool builder instances? My immediate issue is with ARM64 image > builds, which I only want to happen on a builder hosted in an ARM64 > cloud. > > Currently, the builders go through the image list and check "is the > existing image missing or too old, if so, build" [1]. Additionally, > all builders share a configuration file [2]; so builders don't know > "who they are". > > Why not just split the builder configuration file? I don't see a need to add code to do this. > I'd propose we add an arbitrary tag/match system so that builders can > pickup only those builds they mark themselves capable of building? > > e.g. diskimages would specify required builder tags similar to: > > --- > diskimages: > - name: arm64-ubuntu-xenial > elements: > - block-device-efi > - vm > - ubuntu-minimal > ... > env-vars: > TMPDIR: /opt/dib_tmp > DIB_CHECKSUM: '1' > ... > builder-requires: > architecture: arm64 > --- > > The nodepool.yaml would grow another section similar: > > --- > builder-provides: > architecture: arm64 > something_else_unique_about_this_buidler: true > --- > > For OpenStack, we would template this section in the config file via > puppet in [2], ensuring above that only our theoretical ARM64 build > machine had that section in it's config. > > The nodepool-buidler build loop can then check that its > builder-provides section has all the tags specified in an image's > "builder-requires" section before deciding to start building. > > Thoughts welcome :) > > -i > > [1] https://git.openstack.org/cgit/openstack-infra/nodepool/ > tree/nodepool/builder.py#n607 > [2] https://git.openstack.org/cgit/openstack-infra/project- > config/tree/nodepool/nodepool.yaml > > _______________________________________________ > Zuul-discuss mailing list > zuul-disc...@lists.zuul-ci.org > http://lists.zuul-ci.org/cgi-bin/mailman/listinfo/zuul-discuss > -- David Shrewsbury (Shrews)
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