adds openshift image derivation test

ci/Dockerfile

@@ -1,5 +1,12 @@
-# For CI on a config git repo, all we need to do is combine
-# the source code with coreos-assembler into an image to test.
+FROM registry.ci.openshift.org/ocp/builder:rhel-8-golang-1.17-openshift-4.10 AS builder
+WORKDIR /go/src/github.com/openshift/os
+COPY . .
+# Prevent go mod from requiring a vendor directory.
+ENV GOFLAGS=-mod=mod
+# Compile our layering test binary for future use.
+RUN go test -v -c -o layering_test ./tests/layering
+
 FROM registry.svc.ci.openshift.org/coreos/coreos-assembler:latest
 WORKDIR /src
+COPY --from=builder /go/src/github.com/openshift/os/layering_test /usr/local/bin/layering_test
 COPY . .

go.mod

@@ -0,0 +1,99 @@
+module github.com/openshift/os
+
+go 1.17
+
+require (
+	github.com/openshift/api v0.0.0-20220310165943-abf6417c2748
+	github.com/openshift/machine-config-operator v0.0.1-0.20220312201823-427d011f6de7
+	github.com/stretchr/testify v1.7.0
+	k8s.io/api v0.23.4
+	k8s.io/apimachinery v0.23.4
+	k8s.io/client-go v0.23.1
+	k8s.io/kubectl v0.23.0
+	k8s.io/kubernetes v1.23.0
+)
+
+require (
+	github.com/clarketm/json v1.14.1 // indirect
+	github.com/coreos/go-semver v0.3.0 // indirect
+	github.com/coreos/go-systemd/v22 v22.3.2 // indirect
+	github.com/coreos/ignition/v2 v2.13.0 // indirect
+	github.com/coreos/vcontext v0.0.0-20211021162308-f1dbbca7bef4 // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/go-logr/logr v1.2.2 // indirect
+	github.com/gogo/protobuf v1.3.2 // indirect
+	github.com/golang/glog v1.0.0 // indirect
+	github.com/golang/protobuf v1.5.2 // indirect
+	github.com/google/go-cmp v0.5.7 // indirect
+	github.com/google/gofuzz v1.2.0 // indirect
+	github.com/google/uuid v1.2.0 // indirect
+	github.com/googleapis/gnostic v0.5.5 // indirect
+	github.com/imdario/mergo v0.3.12 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/moby/spdystream v0.2.0 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
+	github.com/onsi/ginkgo v1.16.5 // indirect
+	github.com/onsi/gomega v1.17.0 // indirect
+	github.com/openshift/client-go v0.0.0-20211209144617-7385dd6338e3 // indirect
+	github.com/pkg/errors v0.9.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/spf13/pflag v1.0.5 // indirect
+	github.com/vincent-petithory/dataurl v1.0.0 // indirect
+	golang.org/x/net v0.0.0-20210825183410-e898025ed96a // indirect
+	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
+	golang.org/x/sys v0.0.0-20211029165221-6e7872819dc8 // indirect
+	golang.org/x/term v0.0.0-20210615171337-6886f2dfbf5b // indirect
+	golang.org/x/text v0.3.7 // indirect
+	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.27.1 // indirect
+	gopkg.in/inf.v0 v0.9.1 // indirect
+	gopkg.in/yaml.v2 v2.4.0 // indirect
+	gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b // indirect
+	k8s.io/apiextensions-apiserver v0.23.1 // indirect
+	k8s.io/apiserver v0.23.0 // indirect
+	k8s.io/component-base v0.23.0 // indirect
+	k8s.io/klog/v2 v2.40.1 // indirect
+	k8s.io/kube-openapi v0.0.0-20211115234752-e816edb12b65 // indirect
+	k8s.io/utils v0.0.0-20220210201930-3a6ce19ff2f9 // indirect
+	sigs.k8s.io/json v0.0.0-20211020170558-c049b76a60c6 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.2.1 // indirect
+	sigs.k8s.io/yaml v1.3.0 // indirect
+)
+
+replace (
+	github.com/InVisionApp/go-health => github.com/InVisionApp/go-health v1.1.7-0.20190926150048-b5cab38233bb
+	github.com/go-log/log => github.com/go-log/log v0.1.1-0.20181211034820-a514cf01a3eb
+	github.com/godbus/dbus => github.com/godbus/dbus v0.0.0-20190623212516-8a1682060722
+	github.com/googleapis/gnostic => github.com/googleapis/gnostic v0.4.1
+	github.com/opencontainers/runtime-spec => github.com/opencontainers/runtime-spec v0.1.2-0.20190408193819-a1b50f621a48
+	github.com/openshift/cluster-api => github.com/openshift/cluster-api v0.0.0-20191129101638-b09907ac6668
+	github.com/securego/gosec => github.com/securego/gosec v0.0.0-20190709033609-4b59c948083c
+	k8s.io/api => k8s.io/api v0.23.0
+	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.23.0
+	k8s.io/apimachinery => k8s.io/apimachinery v0.23.0
+	k8s.io/apiserver => k8s.io/apiserver v0.23.0
+	k8s.io/cli-runtime => k8s.io/cli-runtime v0.23.0
+	k8s.io/client-go => k8s.io/client-go v0.23.0
+	k8s.io/cloud-provider => k8s.io/cloud-provider v0.23.0
+	k8s.io/cluster-bootstrap => k8s.io/cluster-bootstrap v0.23.0
+	k8s.io/code-generator => k8s.io/code-generator v0.23.0
+	k8s.io/component-base => k8s.io/component-base v0.23.0
+	k8s.io/component-helpers => k8s.io/component-helpers v0.23.0
+	k8s.io/controller-manager => k8s.io/controller-manager v0.23.0
+	k8s.io/cri-api => k8s.io/cri-api v0.23.0
+	k8s.io/csi-translation-lib => k8s.io/csi-translation-lib v0.23.0
+	k8s.io/kube-aggregator => k8s.io/kube-aggregator v0.23.0
+	k8s.io/kube-controller-manager => k8s.io/kube-controller-manager v0.23.0
+	k8s.io/kube-proxy => k8s.io/kube-proxy v0.23.0
+	k8s.io/kube-scheduler => k8s.io/kube-scheduler v0.23.0
+	k8s.io/kubectl => k8s.io/kubectl v0.23.0
+	k8s.io/kubelet => k8s.io/kubelet v0.23.0
+	k8s.io/kubernetes => k8s.io/kubernetes v1.23.0
+	k8s.io/legacy-cloud-providers => k8s.io/legacy-cloud-providers v0.23.0
+	k8s.io/metrics => k8s.io/metrics v0.23.0
+	k8s.io/mount-utils => k8s.io/mount-utils v0.23.0
+	k8s.io/pod-security-admission => k8s.io/pod-security-admission v0.23.0
+	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.23.0
+)