variant: flatcar version: 1.0.0 passwd: users: - name: cadoles password_hash: "$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8" groups: - wheel - sudo ssh_authorized_keys: - "ssh-rsa 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 Philippe Caseiro" systemd: units: - name: install-cni.service enabled: true contents: | [Unit] Description=Install CNI plugins K8S Wants = network-online.target After = network.target network-online.target ConditionPathExists=!/opt/cni/bin/firewall [Service] Type=forking TimeoutStartSec=180 RemainAfterExit=yes KillMode=process Environment="CNI_VERSION=v0.8.2" Environment="ARCH=amd64" Environment="URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz" ExecStartPre=/bin/mkdir -p /opt/cni/bin ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C /opt/cni/bin -xz" [Install] WantedBy=multi-user.target - name: install-crictl.service enabled: true contents: | [Unit] Description=Install crictl Wants = network-online.target After = network.target network-online.target ConditionPathExists=!/opt/bin/crictl [Service] Type=forking TimeoutStartSec=180 RemainAfterExit=yes KillMode=process Environment="DOWNLOAD_DIR=/opt/bin" Environment="CRICTL_VERSION=v1.22.0" Environment="ARCH=amd64" Environment="URL=https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz" ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR} ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C $DOWNLOAD_DIR -xz" [Install] WantedBy=multi-user.target - name: install-kubernetes.service enabled: true contents: | [Unit] Description=Install K8S Wants = network-online.target After = network.target network-online.target ConditionPathExists=!/opt/bin/kubelet [Service] WorkingDirectory=/opt/bin Type=forking TimeoutStartSec=180 RemainAfterExit=yes KillMode=process Environment="KUBE_RELEASE=v1.25.4" Environment="ARCH=amd64" Environment="DOWNLOAD_DIR=/opt/bin" Environment="URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}" ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR} ExecStart=/bin/sh -c "/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}" ExecStartPost=/bin/sh -c "/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}" [Install] WantedBy=multi-user.target - name: install-cilium.service enabled: false contents: | [Unit] Description=Install Cilium client Wants = network-online.target After = network.target network-online.target ConditionPathExists=!/opt/bin/cilium [Service] WorkingDirectory=/opt/bin Type=forking TimeoutStartSec=180 RemainAfterExit=yes KillMode=process Environment="CILIUM_RELEASE=v0.12.8" Environment="ARCH=amd64" Environment="DOWNLOAD_DIR=/opt/bin" Environment="URL=https://github.com/cilium/cilium-cli/releases/download/${CILIUM_RELEASE}/cilium-linux-${ARCH}.tar.gz ExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR} ExecStart=/bin/sh -c "/usr/bin/curl -L ${URL} | /usr/bin/tar -C ${DOWNLOAD_DIR} -xz" [Install] WantedBy=multi-user.target - name: kubelet.service enabled: true contents: | [Unit] Description=The Kubernetes Node Agent Documentation=https://kubernetes.io/docs/home/ Wants=network-online.target After=network-online.target [Service] ExecStart=/opt/bin/kubelet Restart=always StartLimitInterval=0 RestartSec=10 [Install] WantedBy=multi-user.target dropins: - name: 10-kubeadm.conf contents: | [Service] Environment="KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf" Environment="KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml" EnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env EnvironmentFile=-/etc/default/kubelet ExecStart= ExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS - name: init-cluster.service enabled: true contents: | [Unit] Description=Kubernetes cluster init Documentation=https://kubernetes.io/docs/home/ Wants=network-online.target After=network-online.target install-kubernetes.service ConditionPathExists=!/opt/libexec/kubernetes/kubelet-plugins/volume/exec/ [Service] WorkingDirectory=/opt/bin Type=forking TimeoutStartSec=360 RemainAfterExit=yes KillMode=process Environment="caSecretKey=$(date | sha256sum | awk \'{print $1}`')" Environment="SET_HOSTNAME=leader.ks.cadoles.com" Environment="PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/bin" Environment="KUBECONFIG=/etc/kubernetes/admin.conf" ExecStartPre=/bin/sh -c "/usr/bin/hostnamectl hostname ${SET_HOSTNAME}" ExecStart=/opt/bin/kubeadm init --config /root/kubeadm-config.yaml --upload-certs ExecStartPost=/bin/sh -c "/bin/mkdir -p /home/cadoles/.kube" ExecStartPost=/bin/sh -c "/bin/cp -i /etc/kubernetes/admin.conf /home/cadoles/.kube/config" ExecStartPost=/bin/sh -c "/bin/chown cadoles:cadoles /home/cadoles/.kube/config" [Install] WantedBy=multi-user.target - name: install-network-cni.service enabled: true contents: | [Unit] Description=Install network CNI (calico) Documentation=https://kubernetes.io/docs/home/ Wants=network-online.target After=network-online.target init-cluster.service ConditionPathExists=!/opt/cni/bin/calico [Service] WorkingDirectory=/opt/bin Type=forking TimeoutStartSec=360 RemainAfterExit=yes KillMode=process Environment="KUBECONFIG=/etc/kubernetes/admin.conf" Environment="CIDR=10.244.0.0/16" Environment="URL=https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico.yaml" ExecStart=/opt/bin/kubectl apply -f ${URL} [Install] WantedBy=multi-user.target storage: files: - path: /etc/sysctl.d/k8s.conf mode: 0600 contents: inline: | net.bridge.bridge-nf-call-ip6tables = 1 net.bridge.bridge-nf-call-iptables = 1 - path: /root/kubeadm-config.yaml mode: 0644 contents: inline: | apiVersion: kubeadm.k8s.io/v1beta3 kind: InitConfiguration certificateKey: b4edd5fb7aec1b90e06c68e090213621f621e31353a165dabeed0f8617c341b6 nodeRegistration: name: leader.ks.cadoles.com kubeletExtraArgs: volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/" --- apiVersion: kubeadm.k8s.io/v1beta3 kind: ClusterConfiguration networking: podSubnet: 10.244.0.0/16 controllerManager: extraArgs: flex-volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/" --- kind: KubeletConfiguration apiVersion: kubelet.config.k8s.io/v1beta1 cgroupDriver: systemd