Add containerd util image

util-images/containerd/Dockerfile

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+FROM docker:latest
+
+RUN wget https://github.com/containerd/containerd/releases/download/v1.4.3/containerd-1.4.3-linux-amd64.tar.gz
+RUN tar xvf containerd-1.4.3-linux-amd64.tar.gz

util-images/containerd/Makefile

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+PROJECT ?= k8s-testimages
+IMG = gcr.io/$(PROJECT)/perf-tests-util/containerd
+TAG = v0.0.1
+
+all: push
+
+.PHONY: build
+build: cmd
+	docker build --pull -t $(IMG):$(TAG) .
+	docker tag $(IMG):$(TAG) $(IMG):latest
+	@echo Built $(IMG):$(TAG) and tagged with latest
+
+.PHONY: push
+push: build
+	docker push $(IMG):$(TAG)
+	docker push $(IMG):latest
+	@echo Pushed $(IMG) with :latest and :$(TAG) tags

util-images/containerd/README.md

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+# containerd
+
+Utility image used by the CL2 image preloader. Uses containerd instead of docker.
+
+## Testing and Usage
+
+1. Build an image with `PROJECT=<TEST-PROJECT> make build`
+1. Apply image preload daemonset to your cluster (hardcode the image to pull)
+    * `kubectl apply -f ~/go/src/k8s.io/perf-tests/clusterloader2/pkg/imagepreload/manifests/daemonset.yaml`
+
+## Releasing
+
+1. If required, test with steps from `Testing and Usage`
+1. Increment the `TAG` in the Makefile
+1. Build with `make build`
+1. Release with `make push`