89 lines
3.4 KiB
Docker
89 lines
3.4 KiB
Docker
FROM ubuntu:16.04
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MAINTAINER pete.birley@att.com
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ENV KUBE_VERSION=v1.6.8 \
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CNI_VERSION=v0.6.0-rc2 \
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container="docker" \
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DEBIAN_FRONTEND="noninteractive"
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RUN set -x \
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&& TMP_DIR=$(mktemp --directory) \
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&& cd ${TMP_DIR} \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends \
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apt-transport-https \
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ca-certificates \
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curl \
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dbus \
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make \
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git \
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vim \
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jq \
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# Add Kubernetes repo
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&& curl -sSL https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add - \
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&& echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" > /etc/apt/sources.list.d/kubernetes.list \
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&& apt-get update \
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&& apt-get install -y --no-install-recommends \
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docker.io \
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iptables \
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kubectl \
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kubelet \
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kubernetes-cni \
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# Install Kubeadm without running postinstall script as it expects systemd to be running.
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&& apt-get download kubeadm \
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&& dpkg --unpack kubeadm*.deb \
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&& mv /var/lib/dpkg/info/kubeadm.postinst /opt/kubeadm.postinst \
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&& dpkg --configure kubeadm \
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&& apt-get install -yf kubeadm \
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&& mkdir -p /etc/kubernetes/manifests \
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# Install kubectl:
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&& curl -sSL https://dl.k8s.io/${KUBE_VERSION}/kubernetes-client-linux-amd64.tar.gz | tar -zxv --strip-components=1 \
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&& mv ${TMP_DIR}/client/bin/kubectl /usr/bin/kubectl \
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&& chmod +x /usr/bin/kubectl \
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# Install kubelet & kubeadm binaries:
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# (portdirect) We do things in this weird way to let us use the deps and systemd
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# units from the packages in the .deb repo.
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&& curl -sSL https://dl.k8s.io/${KUBE_VERSION}/kubernetes-server-linux-amd64.tar.gz | tar -zxv --strip-components=1 \
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&& mv ${TMP_DIR}/server/bin/kubelet /usr/bin/kubelet \
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&& chmod +x /usr/bin/kubelet \
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&& mv ${TMP_DIR}/server/bin/kubeadm /usr/bin/kubeadm \
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&& chmod +x /usr/bin/kubeadm \
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# Install CNI:
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&& CNI_BIN_DIR=/opt/cni/bin \
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&& mkdir -p ${CNI_BIN_DIR} \
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&& cd ${CNI_BIN_DIR} \
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&& curl -sSL https://github.com/containernetworking/plugins/releases/download/$CNI_VERSION/cni-plugins-amd64-$CNI_VERSION.tgz | tar -zxv --strip-components=1 \
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&& cd ${TMP_DIR} \
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# Move kubelet binary as we will run containerised
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&& mv /usr/bin/kubelet /usr/bin/kubelet-real \
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# Install utils for PVC provisioners
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&& apt-get install -y --no-install-recommends \
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nfs-common \
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ceph-common \
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kmod \
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# Tweak Systemd units and targets for running in a container
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&& find /lib/systemd/system/sysinit.target.wants/ ! -name 'systemd-tmpfiles-setup.service' -type l -exec rm -fv {} + \
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&& rm -fv \
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/lib/systemd/system/multi-user.target.wants/* \
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/etc/systemd/system/*.wants/* \
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/lib/systemd/system/local-fs.target.wants/* \
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/lib/systemd/system/sockets.target.wants/*udev* \
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/lib/systemd/system/sockets.target.wants/*initctl* \
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/lib/systemd/system/basic.target.wants/* \
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# Clean up apt cache
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&& rm -rf /var/lib/apt/lists/* \
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# Clean up tmp dir
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&& cd / \
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&& rm -rf ${TMP_DIR}
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# Load assets into place, setup startup target & units
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COPY ./assets/ /
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RUN set -x \
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&& ln -s /usr/lib/systemd/system/container-up.target /etc/systemd/system/default.target \
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&& mkdir -p /etc/systemd/system/container-up.target.wants \
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&& ln -s /usr/lib/systemd/system/kubeadm-aio.service /etc/systemd/system/container-up.target.wants/kubeadm-aio.service
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VOLUME /sys/fs/cgroup
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CMD /kubeadm-aio
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