test image for a release 1.7 based sample-apiserver

test/images/BUILD

@@ -29,6 +29,7 @@ filegroup(
         "//test/images/port-forward-tester:all-srcs",
         "//test/images/porter:all-srcs",
         "//test/images/resource-consumer:all-srcs",
+        "//test/images/sample-apiserver:all-srcs",
         "//test/images/serve-hostname:all-srcs",
         "//test/images/test-webserver:all-srcs",
         "//test/images/webhook:all-srcs",

test/images/image-util.sh

@@ -70,6 +70,7 @@ build() {
     if [[ -f BASEIMAGE ]]; then
       BASEIMAGE=$(getBaseImage ${arch})
       ${SED} -i "s|BASEIMAGE|${BASEIMAGE}|g" Dockerfile
+      ${SED} -i "s|BASEARCH|${arch}|g" Dockerfile
     fi
 
     # copy the qemu-*-static binary to docker image to build the multi architecture image on x86 platform

test/images/sample-apiserver/BASEIMAGE

+amd64=alpine:3.8
+arm=arm32v6/alpine:3.8
+arm64=arm64v8/alpine:3.8
+ppc64le=ppc64le/alpine:3.8

test/images/sample-apiserver/BUILD

+package(default_visibility = ["//visibility:public"])
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

test/images/sample-apiserver/Dockerfile

+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FROM k8s.gcr.io/kube-cross:v1.10.3-1 as build_k8s_1_7_sample_apiserver
+
+ENV GOPATH /go
+RUN mkdir -p ${GOPATH}/src ${GOPATH}/bin
+ENV PATH $GOPATH/bin:$PATH
+
+# The e2e aggregator test was originally added in #50347 and is designed to test ability to run a 1.7
+# sample-apiserver in newer releases. please see e2e test named "Should be able to support the 1.7 Sample
+# API Server using the current Aggregator"
+RUN go get -d k8s.io/sample-apiserver \
+    && cd ${GOPATH}/src/k8s.io/sample-apiserver \
+    && git checkout --track origin/release-1.7 \
+    && CGO_ENABLED=0 GOOS=linux GOARCH=BASEARCH go install .
+
+# for arm, go install uses go/bin/linux_arm, so just find the file and copy it to the root so
+# we can copy it out from this throw away container image from a standard location
+RUN find /go/bin -name sample-apiserver -exec cp {} / \;
+
+FROM BASEIMAGE
+COPY --from=build_k8s_1_7_sample_apiserver /sample-apiserver /sample-apiserver
+
+ENTRYPOINT ["/sample-apiserver"]

test/images/sample-apiserver/VERSION

+1.0