Fix jessie-dnsutils image build for arm64 & ppc64el

- Remove debian-security for a couple of arch(es) as they are not
  available in the debian repos
- Also fix up the unbound SED problem with push() method

Change-Id: Ibb14ead9581954b66b39c02bcefb5adaa2464fab

test/images/image-util.sh

@@ -103,6 +103,8 @@ push() {
     docker push ${REGISTRY}/${IMAGE}-${arch}:${TAG}
   done
 
+  kube::util::ensure-gnu-sed
+
   # Make archs list into image manifest. Eg: 'amd64 ppc64le' to '${REGISTRY}/${IMAGE}-amd64:${TAG} ${REGISTRY}/${IMAGE}-ppc64le:${TAG}'
   manifest=$(echo $archs | ${SED} -e "s~[^ ]*~$REGISTRY\/$IMAGE\-&:$TAG~g")
   docker manifest create --amend ${REGISTRY}/${IMAGE}:${TAG} ${manifest}

test/images/jessie-dnsutils/Dockerfile

@@ -16,6 +16,13 @@ FROM BASEIMAGE
 
 CROSS_BUILD_COPY qemu-QEMUARCH-static /usr/bin/
 
+# WARNING: Please note that the script below removes the security packages from arm64 and ppc64el images
+# as they do not exist anymore in the debian repositories for jessie. So we do not recommend using this
+# image for any production use and limit use of this image to just test scenarios.
+
+COPY fixup-apt-list.sh /
+RUN ["/fixup-apt-list.sh"]
+
 RUN apt-get -q update && \
     apt-get install -y dnsutils && \
     apt-get clean

test/images/jessie-dnsutils/fixup-apt-list.sh

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+
+# Copyright 2017 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.
+
+DEB_ARCH=$(dpkg --print-architecture)
+
+# http://security.debian.org/debian-security/dists/jessie/updates/InRelease is missing
+# entries for some platforms, so we just remove the last line in sources.list in
+# /etc/apt/sources.list which is "deb http://deb.debian.org/debian jessie-updates main"
+
+case ${DEB_ARCH} in
+    arm64|ppc64el)
+        sed -i '/debian-security/d' /etc/apt/sources.list
+        ;;
+esac
+
+exit 0