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Contents:

Runtime

Runtime needs to have CDI injection support

  • CRI-O: 1.23+, enabled by default.
  • Containerd: v1.7+, disabled by default.

Enable CDI in Containerd

Containerd config file should have enable_cdi and cdi_specs_dir. Example /etc/containerd/config.toml:

version = 2
[plugins]
  [plugins."io.containerd.grpc.v1.cri"]
    enable_cdi = true
    cdi_specs_dir = ["/etc/cdi", "/var/run/cdi"]

Generated source code

Custom resource definitions are in pkg/intel.com/resource/<accelerator>/<apiversion>/*.go (except generated zz_deepcopy) and in pkg/intel.com/resource/<accelerator/<apiversion>/api/.

When changing those CRDs, remember to re-generate the YAMLs and clientset by running:

make generate

Required tools

Above step needs controller-gen and client-gen tools to generate CRD YAMLs (in deployments/gpu/static/crd/...).

Determine your go binaries location from go install --help, quote:

Executables are installed in the directory named by the GOBIN environment variable, which defaults to $GOPATH/bin or $HOME/go/bin if the GOPATH environment variable is not set. Executables in $GOROOT are installed in $GOROOT/bin or $GOTOOLDIR instead of $GOBIN.

Way 1 : install tools with Go:

Add Go binaries directory to PATH

Add this to the end of your $HOME/.bashrc:

export PATH="<go binaries dir>:$PATH"

install tools

GO111MODULE=on go install sigs.k8s.io/controller-tools/cmd/controller-gen@latest
GO111MODULE=on go install k8s.io/code-generator/cmd/client-gen@latest

Way 2 : clone and build it:

git clone https://github.com/kubernetes-sigs/controller-tools.git
cd controller-tools
go build ./cmd/controller-gen
cd -
git clone https://github.com/kubernetes/code-generator.git
cd code-generator
go build ./cmd/client-gen
cd -

Make them available in PATH, for instance $HOME/go/bin:

cp controller-tools/controller-gen code-generator/client-gen $HOME/go/bin
# ensure it's in the path. You may want to add export to $HOME/.bashrc
echo $PATH | grep -q $HOME/go/bin || export PATH=$HOME/go/bin:$PATH