Satoru Takeuchi
76a2b8c230
kubeadm installer tries to install the fixed versions of some packages. So if the newer versions are already installed, this script fails. Signed-off-by: Satoru Takeuchi <satoru.takeuchi@gmail.com>
69 lines
1.8 KiB
Bash
Executable File
69 lines
1.8 KiB
Bash
Executable File
#!/bin/bash +e
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KUBE_VERSION=${1:-"v1.13.1"}
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ARCH=$(dpkg --print-architecture)
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null_str=
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KUBE_INSTALL_VERSION="${KUBE_VERSION/v/$null_str}"-00
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# Kubelet cannot run with swap enabled: https://github.com/kubernetes/kubernetes/issues/34726
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# Disabling swap when installing k8s via kubeadm
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which systemctl >/dev/null && sudo systemctl stop swap.target
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sudo swapoff -a
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wait_for_dpkg_unlock() {
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#wait for dpkg lock to disappear.
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retry=0
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maxRetries=100
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retryInterval=10
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until [ ${retry} -ge ${maxRetries} ]
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do
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if [[ `sudo lsof /var/lib/dpkg/lock|wc -l` -le 0 ]]; then
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break
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fi
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((++retry))
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echo "."
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sleep ${retryInterval}
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done
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if [ ${retry} -ge ${maxRetries} ]; then
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echo "Failed after ${maxRetries} attempts! - cannot install kubeadm"
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exit 1
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fi
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}
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sudo apt-get update
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wait_for_dpkg_unlock
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sleep 5
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wait_for_dpkg_unlock
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sudo apt-get install -y apt-transport-https
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sudo curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -
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sudo cat <<EOF >/etc/apt/sources.list.d/kubernetes.list
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deb http://apt.kubernetes.io/ kubernetes-xenial main
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EOF
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#install kubeadm and kubelet
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sudo apt-get update
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wait_for_dpkg_unlock
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sleep 5
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wait_for_dpkg_unlock
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sudo apt-get install -y --allow-downgrades kubernetes-cni="0.6.0-00"
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sudo apt-get install -y --allow-downgrades kubelet="${KUBE_INSTALL_VERSION}" && sudo apt-get install -y --allow-downgrades kubeadm="${KUBE_INSTALL_VERSION}"
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#get matching kubectl
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case ${ARCH} in
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amd64|arm64)
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wget "https://storage.googleapis.com/kubernetes-release/release/${KUBE_VERSION}/bin/linux/${ARCH}/kubectl"
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;;
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*)
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echo "[ERROR] Unsupported build ARCH ${ARCH}"
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exit 1
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;;
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esac
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chmod +x kubectl
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sudo cp kubectl /usr/local/bin
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sudo apt-get install -y nfs-common
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