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kubernetes: add basic cni plugins dynamically
This avoids a slightly tricky sequence of nested bind mounts by just unpacking a tarball on boot (with a stamp so it only happens once). Signed-off-by: Ian Campbell <ijc@docker.com>
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@ -30,9 +30,7 @@ RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
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RUN rmdir /out/var/run && ln -nfs /run /out/var/run
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RUN curl -fSL -o /tmp/cni.tgz https://github.com/containernetworking/cni/releases/download/v0.5.2/cni-amd64-${cni_version}.tgz && \
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mkdir -p /out/opt/cni/bin /out/etc/cni/net.d && \
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tar -xzf /tmp/cni.tgz -C /out/opt/cni/bin
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RUN curl -fSL -o /out/root/cni.tgz https://github.com/containernetworking/cni/releases/download/v0.5.2/cni-amd64-${cni_version}.tgz
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RUN curl -fSL -o /out/etc/weave.yaml https://cloud.weave.works/k8s/v1.7/net?v=${weave_version}
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RUN curl -fSL -o /out/usr/bin/kubelet https://dl.k8s.io/${kubernetes_version}/bin/linux/amd64/kubelet && chmod 0755 /out/usr/bin/kubelet
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RUN curl -fSL -o /out/usr/bin/kubeadm https://dl.k8s.io/${kubernetes_version}/bin/linux/amd64/kubeadm && chmod 0755 /out/usr/bin/kubeadm
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@ -1,5 +1,9 @@
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#!/bin/sh
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mount --bind /opt/cni /var/lib/cni/opt
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if [ ! -e /var/lib/cni/.opt.defaults-extracted ] ; then
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mkdir -p /var/lib/cni/opt/bin
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tar -xzf /root/cni.tgz -C /var/lib/cni/opt/bin
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touch /var/lib/cni/.opt.defaults-extracted
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fi
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until kubelet --kubeconfig=/var/lib/kubeadm/kubelet.conf \
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--require-kubeconfig=true \
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--pod-manifest-path=/var/lib/kubeadm/manifests \
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