Bake k0s as a systemd sysext image. #99
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| Original file line number | Diff line number | Diff line change | ||||
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| @@ -0,0 +1,130 @@ | ||||||
| #!/usr/bin/env bash | ||||||
| set -euo pipefail | ||||||
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| export ARCH="${ARCH-x86-64}" | ||||||
| SCRIPTFOLDER="$(dirname "$(readlink -f "$0")")" | ||||||
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| if [ $# -lt 2 ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]; then | ||||||
| echo "Usage: $0 VERSION SYSEXTNAME" | ||||||
| echo "The script will download the k0s binary (e.g., for v1.31.2+k0s.0) and create a sysext squashfs image with the name SYSEXTNAME.raw in the current folder." | ||||||
| echo "A temporary directory named SYSEXTNAME in the current folder will be created and deleted again." | ||||||
| echo "All files in the sysext image will be owned by root." | ||||||
| echo "To use arm64 pass 'ARCH=arm64' as environment variable (current value is '${ARCH}')." | ||||||
| "${SCRIPTFOLDER}"/bake.sh --help | ||||||
| exit 1 | ||||||
| fi | ||||||
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| VERSION="$1" | ||||||
| SYSEXTNAME="$2" | ||||||
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| # The github release uses different arch identifiers, we map them here | ||||||
| # and rely on bake.sh to map them back to what systemd expects | ||||||
| if [ "${ARCH}" = "amd64" ] || [ "${ARCH}" = "x86-64" ]; then | ||||||
| ARCH="amd64" | ||||||
| fi | ||||||
| if [ "${ARCH}" = "arm64" ] || [ "${ARCH}" = "aarch64" ]; then | ||||||
| ARCH="arm64" | ||||||
| fi | ||||||
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| URL="https://github.com/k0sproject/k0s/releases/download/${VERSION}/k0s-${VERSION}-${ARCH}" | ||||||
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| rm -rf "${SYSEXTNAME}" | ||||||
| mkdir -p "${SYSEXTNAME}"/usr/local/bin | ||||||
| curl -o "${SYSEXTNAME}/usr/local/bin/k0s" -fsSL "${URL}" | ||||||
| chmod +x "${SYSEXTNAME}"/usr/local/bin/k0s | ||||||
| pushd "${SYSEXTNAME}"/usr/local/bin/ | ||||||
| ln -s ./k0s kubectl | ||||||
| ln -s ./k0s ctr | ||||||
| popd | ||||||
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| mkdir -p "${SYSEXTNAME}"/usr/local/lib/systemd/system/ | ||||||
| cat > "${SYSEXTNAME}"/usr/local/lib/systemd/system/k0s.service << EOF | ||||||
| [Unit] | ||||||
| Description=k0s - Init Controller / External ETCD Controller | ||||||
| Documentation=https://docs.k0sproject.io | ||||||
| ConditionFileIsExecutable=/usr/local/bin/k0s | ||||||
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| Requires=containerd.service | ||||||
| Wants=network-online.target | ||||||
| After=network-online.target containerd.service | ||||||
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| [Service] | ||||||
| EnvironmentFile=-/etc/default/k0s | ||||||
| StartLimitInterval=5 | ||||||
| StartLimitBurst=10 | ||||||
| ExecStart=/bin/sh -c '[ -n "${CRI_SOCKET}" ] && exec /usr/local/bin/k0s controller --config=/etc/k0s/k0s.yaml --cri-socket=${CRI_SOCKET} || exec /usr/local/bin/k0s controller --config=/etc/k0s/k0s.yaml' | ||||||
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(Same for the other units) |
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| RestartSec=10 | ||||||
| Delegate=yes | ||||||
| KillMode=process | ||||||
| LimitCORE=infinity | ||||||
| TasksMax=infinity | ||||||
| TimeoutStartSec=0 | ||||||
| LimitNOFILE=999999 | ||||||
| Restart=always | ||||||
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| [Install] | ||||||
| WantedBy=multi-user.target | ||||||
| EOF | ||||||
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| cat > "${SYSEXTNAME}"/usr/local/lib/systemd/system/k0scontroller.service << EOF | ||||||
| [Unit] | ||||||
| Description=k0s - Controller | ||||||
| Documentation=https://docs.k0sproject.io | ||||||
| ConditionFileIsExecutable=/usr/local/bin/k0s | ||||||
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| Requires=containerd.service | ||||||
| Wants=network-online.target | ||||||
| After=network-online.target containerd.service | ||||||
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| [Service] | ||||||
| EnvironmentFile=-/etc/default/k0s | ||||||
| StartLimitInterval=5 | ||||||
| StartLimitBurst=10 | ||||||
| ExecStart=/bin/sh -c '[ -n "${CRI_SOCKET}" ] && exec /usr/local/bin/k0s controller --config=/etc/k0s/k0s.yaml --cri-socket=${CRI_SOCKET} --token-file=/etc/k0s/controller-token|| exec /usr/local/bin/k0s controller --config=/etc/k0s/k0s.yaml --token-file=/etc/k0s/controller-token' | ||||||
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Should we start the |
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| RestartSec=10 | ||||||
| Delegate=yes | ||||||
| KillMode=process | ||||||
| LimitCORE=infinity | ||||||
| TasksMax=infinity | ||||||
| TimeoutStartSec=0 | ||||||
| LimitNOFILE=999999 | ||||||
| Restart=always | ||||||
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| [Install] | ||||||
| WantedBy=multi-user.target | ||||||
| EOF | ||||||
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| cat > "${SYSEXTNAME}"/usr/local/lib/systemd/system/k0sworker.service << EOF | ||||||
| [Unit] | ||||||
| Description=k0s - Worker | ||||||
| Documentation=https://docs.k0sproject.io | ||||||
| ConditionFileIsExecutable=/usr/local/bin/k0s | ||||||
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| Requires=containerd.service | ||||||
| Wants=network-online.target | ||||||
| After=network-online.target containerd.service | ||||||
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| [Service] | ||||||
| EnvironmentFile=-/etc/default/k0s | ||||||
| StartLimitInterval=5 | ||||||
| StartLimitBurst=10 | ||||||
| ExecStart=/usr/local/bin/k0s worker --cri-socket=$CRI_SOCKET --token-file=/etc/k0s/worker-token | ||||||
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Suggested change
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| ExecStart=/bin/sh -c '[ -n "${CRI_SOCKET}" ] && exec /usr/local/bin/k0s worker --cri-socket=${CRI_SOCKET} --token-file=/etc/k0s/worker-token|| exec /usr/local/bin/k0s worker --token-file=/etc/k0s/worker-token' | ||||||
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| RestartSec=10 | ||||||
| Delegate=yes | ||||||
| KillMode=process | ||||||
| LimitCORE=infinity | ||||||
| TasksMax=infinity | ||||||
| TimeoutStartSec=0 | ||||||
| LimitNOFILE=999999 | ||||||
| Restart=always | ||||||
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| [Install] | ||||||
| WantedBy=multi-user.target | ||||||
| EOF | ||||||
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| RELOAD=1 "${SCRIPTFOLDER}"/bake.sh "${SYSEXTNAME}" | ||||||
| rm -rf "${SYSEXTNAME}" | ||||||
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