modify the Dockerfile.ci to build and ship node-joiner tool, along with the required dependencies (nmstate and oc)

Author: andfasano

images/installer/Dockerfile.ci

@@ -12,11 +12,18 @@ COPY . .
 COPY --from=providers /go/src/github.com/openshift/installer/terraform/bin/ terraform/bin/
 RUN DEFAULT_ARCH="$(go env GOHOSTARCH)" hack/build.sh
 RUN go run -mod=vendor hack/build-coreos-manifest.go
+RUN DEFAULT_ARCH="$(go env GOHOSTARCH)" hack/build-node-joiner.sh
 
+FROM registry.ci.openshift.org/ocp/4.16:cli-artifacts AS tools
 
 FROM registry.ci.openshift.org/ocp/4.16:base
 COPY --from=builder /go/src/github.com/openshift/installer/bin/openshift-install /bin/openshift-install
 COPY --from=builder /go/src/github.com/openshift/installer/bin/manifests/ /manifests/
+# node-joiner requirements
+COPY --from=builder /go/src/github.com/openshift/installer/bin/node-joiner /bin/node-joiner
+COPY --from=tools /usr/bin/oc /bin/oc
+RUN dnf install -y nmstate
+
 RUN mkdir /output && chown 1000:1000 /output
 USER 1000:1000
 ENV PATH /bin