gistfile1.txt

#!/bin/sh -e

VERSION=1.14.0~alpha.2

# prepare minimal debian directory
BUILD_DIR=$(mktemp -d --suffix=-kubeadm-build -p .)
cd $BUILD_DIR
mkdir debian

cat <<EOF > debian/control
Source: kubeadm
Section: misc
Priority: optional
Maintainer: Kubernetes Authors <kubernetes-dev+release@googlegroups.com>
Standards-Version: 3.9.8
Homepage: https://kubernetes.io

Package: kubeadm
Architecture: amd64
Depends: kubelet (>= $VERSION), kubectl (>= $VERSION)
Description: Kubernetes Cluster Bootstrapping Tool
 The Kubernetes command line tool for bootstrapping a Kubernetes cluster.
EOF

cat <<EOF > debian/rules
#!/usr/bin/make -f
%:
        dh \$@
EOF

chmod +x debian/rules

cat <<EOF > debian/changelog
kubeadm ($VERSION) unstable; urgency=medium

  * Test build.

 -- Kubernetes Authors <kubernetes-dev+release@googlegroups.com>  $(date -R)
EOF

cat <<EOF > debian/install
../_output/bin/kubeadm usr/bin
../build/debs/10-kubeadm.conf etc/systemd/system/kubelet.service.d/
EOF

echo 9 > debian/compat
cp ../build/debs/postinst debian/

# generate rpm spec
cat <<EOF > kubeadm.spec
Name: kubeadm
Version: $VERSION
Release: 00
License: ASL 2.0
Summary: Container Cluster Manager - Kubernetes Cluster Bootstrapping Tool
Requires: kubelet >= $VERSION
Requires: kubectl >= $VERSION

URL: https://kubernetes.io

%description
Command-line utility for deploying a Kubernetes cluster.

%install
install -m 755 -d %{buildroot}%{_bindir}
install -m 755 -d %{buildroot}%{_sysconfdir}/systemd/system/
install -m 755 -d %{buildroot}%{_sysconfdir}/systemd/system/kubelet.service.d/
install -p -m 755 -t %{buildroot}%{_bindir} ../_output/bin/kubeadm
install -p -m 644 -t %{buildroot}%{_sysconfdir}/systemd/system/kubelet.service.d/ ../build/rpms/10-kubeadm.conf

%files
%{_bindir}/kubeadm
%{_sysconfdir}/systemd/system/kubelet.service.d/10-kubeadm.conf
EOF

# generate build script
cat <<EOF > ./build-kubeadm-deb.sh
apt-get update
apt-get install -y rsync dpkg-dev debhelper rpm
cd /opt/k8s/
useradd -m --uid $(id -u $USER) --gid $(id -g $USER) $USER
su $USER -c "PATH=$PATH make WHAT=cmd/kubeadm"
cd $BUILD_DIR
su $USER -c 'dpkg-buildpackage -b'
echo 'deb content:'
dpkg -c ../kubeadm_${VERSION}_*.deb
su $USER -c "rpmbuild --define '_builddir .' -bb kubeadm.spec"
su $USER -c "mv \$(find /home/$USER/rpmbuild/ -name kubeadm-${VERSION}-*.rpm) .."
echo 'rpm content:'
rpm -qlp ../kubeadm-${VERSION}-*.rpm
EOF

cd ..

# run the build
docker run -it --rm -v$(pwd):/opt/k8s golang:1.11.5-stretch /bin/bash /opt/k8s/$BUILD_DIR/build-kubeadm-deb.sh

# cleanup
rm -rf $BUILD_DIR
rm kubeadm_${VERSION}_*.buildinfo
rm kubeadm_${VERSION}_*.changes

echo
echo "result packages are in $(pwd):"
ls -la kubeadm*${VERSION}*[rpm,deb]