diff --git a/butane/k8s-leader-install.yaml b/butane/k8s-leader-install.yaml new file mode 100644 index 0000000..d70f56c --- /dev/null +++ b/butane/k8s-leader-install.yaml @@ -0,0 +1,220 @@ +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 ${URL} + [Install] + WantedBy=multi-user.target + +storage: + disks: + - device: /dev/vda + wipe_table: true + partitions: + - label: ROOT + filesystems: + - path: / + device: /dev/disk/by-partlabel/ROOT + format: btrfs + wipe_filesystem: true + label: ROOT + files: + - path: /etc/sysctl.d/k8s.conf + mode: 0600 + contents: + inline: | + net.bridge.bridge-nf-call-ip6tables = 1 + net.bridge.bridge-nf-call-iptables = 1 + - path: /root/kubeadm-config.yaml + mode: 0644 + contents: + inline: | + apiVersion: kubeadm.k8s.io/v1beta3 + kind: InitConfiguration + certificateKey: b4edd5fb7aec1b90e06c68e090213621f621e31353a165dabeed0f8617c341b6 + nodeRegistration: + name: leader.ks.cadoles.com + kubeletExtraArgs: + volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/" + --- + apiVersion: kubeadm.k8s.io/v1beta3 + kind: ClusterConfiguration + networking: + podSubnet: 10.244.0.0/16 + controllerManager: + extraArgs: + flex-volume-plugin-dir: "/opt/libexec/kubernetes/kubelet-plugins/volume/exec/" + --- + apiVersion: kubeproxy.config.k8s.io/v1alpha1 + kind: KubeProxyConfiguration + mode: "ipvs" + ipvs: + strictARP: true + --- + kind: KubeletConfiguration + apiVersion: kubelet.config.k8s.io/v1beta1 + cgroupDriver: systemd diff --git a/butane/leader-install.json b/butane/leader-install.json new file mode 100644 index 0000000..7d2f3cd --- /dev/null +++ b/butane/leader-install.json @@ -0,0 +1,105 @@ +{ + "ignition": { + "version": "3.3.0" + }, + "passwd": { + "users": [ + { + "groups": [ + "wheel", + "sudo" + ], + "name": "cadoles", + "passwordHash": "$y$j9T$7dNoyJBSiQ5dJ6.kLs17I0$G9VVQkBUddW2E6TVQchecSE94jNxLz4F3wguz5QkvD8", + "sshAuthorizedKeys": [ + "ssh-rsa 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 Philippe Caseiro" + ] + } + ] + }, + "storage": { + "disks": [ + { + "device": "/dev/vda", + "partitions": [ + { + "label": "ROOT" + } + ], + "wipeTable": true + } + ], + "files": [ + { + "path": "/etc/sysctl.d/k8s.conf", + "contents": { + "compression": "", + "source": "data:,net.bridge.bridge-nf-call-ip6tables%20%3D%201%0Anet.bridge.bridge-nf-call-iptables%20%3D%201%0A" + }, + "mode": 384 + }, + { + "path": "/root/kubeadm-config.yaml", + "contents": { + "compression": "gzip", + "source": "data:;base64,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" + }, + "mode": 420 + } + ], + "filesystems": [ + { + "device": "/dev/disk/by-partlabel/ROOT", + "format": "btrfs", + "label": "ROOT", + "path": "/", + "wipeFilesystem": true + } + ] + }, + "systemd": { + "units": [ + { + "contents": "[Unit]\nDescription=Install CNI plugins K8S\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/cni/bin/firewall\n[Service]\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"CNI_VERSION=v0.8.2\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"URL=https://github.com/containernetworking/plugins/releases/download/${CNI_VERSION}/cni-plugins-linux-${ARCH}-${CNI_VERSION}.tgz\"\nExecStartPre=/bin/mkdir -p /opt/cni/bin\nExecStart=/bin/sh -c \"/usr/bin/curl -L ${URL} | /usr/bin/tar -C /opt/cni/bin -xz\"\n[Install]\nWantedBy=multi-user.target\n", + "enabled": true, + "name": "install-cni.service" + }, + { + "contents": "[Unit]\nDescription=Install crictl\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/bin/crictl\n[Service]\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"DOWNLOAD_DIR=/opt/bin\"\nEnvironment=\"CRICTL_VERSION=v1.22.0\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"URL=https://github.com/kubernetes-sigs/cri-tools/releases/download/${CRICTL_VERSION}/crictl-${CRICTL_VERSION}-linux-${ARCH}.tar.gz\"\nExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}\nExecStart=/bin/sh -c \"/usr/bin/curl -L ${URL} | /usr/bin/tar -C $DOWNLOAD_DIR -xz\"\n[Install]\nWantedBy=multi-user.target\n", + "enabled": true, + "name": "install-crictl.service" + }, + { + "contents": "[Unit]\nDescription=Install K8S\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/bin/kubelet\n[Service]\nWorkingDirectory=/opt/bin\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"KUBE_RELEASE=v1.25.4\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"DOWNLOAD_DIR=/opt/bin\"\nEnvironment=\"URL=https://storage.googleapis.com/kubernetes-release/release/${KUBE_RELEASE}/bin/linux/${ARCH}\"\nExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}\nExecStart=/bin/sh -c \"/usr/bin/curl -L --remote-name-all ${URL}/{kubeadm,kubelet,kubectl}\"\nExecStartPost=/bin/sh -c \"/bin/chmod +x ${DOWNLOAD_DIR}/{kubeadm,kubelet,kubectl}\"\n[Install]\nWantedBy=multi-user.target\n", + "enabled": true, + "name": "install-kubernetes.service" + }, + { + "contents": "[Unit]\nDescription=Install Cilium client\nWants = network-online.target\nAfter = network.target network-online.target\nConditionPathExists=!/opt/bin/cilium\n[Service]\nWorkingDirectory=/opt/bin\nType=forking\nTimeoutStartSec=180\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"CILIUM_RELEASE=v0.12.8\"\nEnvironment=\"ARCH=amd64\"\nEnvironment=\"DOWNLOAD_DIR=/opt/bin\"\nEnvironment=\"URL=https://github.com/cilium/cilium-cli/releases/download/${CILIUM_RELEASE}/cilium-linux-${ARCH}.tar.gz\nExecStartPre=/bin/mkdir -p ${DOWNLOAD_DIR}\nExecStart=/bin/sh -c \"/usr/bin/curl -L ${URL} | /usr/bin/tar -C ${DOWNLOAD_DIR} -xz\"\n[Install]\nWantedBy=multi-user.target\n", + "enabled": false, + "name": "install-cilium.service" + }, + { + "contents": "[Unit]\nDescription=The Kubernetes Node Agent\nDocumentation=https://kubernetes.io/docs/home/\nWants=network-online.target\nAfter=network-online.target\n[Service]\nExecStart=/opt/bin/kubelet\nRestart=always\nStartLimitInterval=0\nRestartSec=10\n[Install]\nWantedBy=multi-user.target\n", + "dropins": [ + { + "contents": "[Service]\nEnvironment=\"KUBELET_KUBECONFIG_ARGS=--bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf\"\nEnvironment=\"KUBELET_CONFIG_ARGS=--config=/var/lib/kubelet/config.yaml\"\nEnvironmentFile=-/var/lib/kubelet/kubeadm-flags.env\nEnvironmentFile=-/etc/default/kubelet\nExecStart=\nExecStart=/opt/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_CONFIG_ARGS $KUBELET_KUBEADM_ARGS $KUBELET_EXTRA_ARGS\n", + "name": "10-kubeadm.conf" + } + ], + "enabled": true, + "name": "kubelet.service" + }, + { + "contents": "[Unit]\nDescription=Kubernetes cluster init\nDocumentation=https://kubernetes.io/docs/home/\nWants=network-online.target\nAfter=network-online.target install-kubernetes.service\nConditionPathExists=!/opt/libexec/kubernetes/kubelet-plugins/volume/exec/\n[Service]\nWorkingDirectory=/opt/bin\nType=forking\nTimeoutStartSec=360\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"caSecretKey=$(date | sha256sum | awk \\'{print $1}`')\"\nEnvironment=\"SET_HOSTNAME=leader.ks.cadoles.com\"\nEnvironment=\"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/opt/bin\"\nEnvironment=\"KUBECONFIG=/etc/kubernetes/admin.conf\"\nExecStartPre=/bin/sh -c \"/usr/bin/hostnamectl hostname ${SET_HOSTNAME}\"\nExecStart=/opt/bin/kubeadm init --config /root/kubeadm-config.yaml --upload-certs\nExecStartPost=/bin/sh -c \"/bin/mkdir -p /home/cadoles/.kube\"\nExecStartPost=/bin/sh -c \"/bin/cp -i /etc/kubernetes/admin.conf /home/cadoles/.kube/config\"\nExecStartPost=/bin/sh -c \"/bin/chown cadoles:cadoles /home/cadoles/.kube/config\"\n[Install]\nWantedBy=multi-user.target\n", + "enabled": true, + "name": "init-cluster.service" + }, + { + "contents": "[Unit]\nDescription=Install network CNI (calico)\nDocumentation=https://kubernetes.io/docs/home/\nWants=network-online.target\nAfter=network-online.target init-cluster.service\nConditionPathExists=!/opt/cni/bin/calico\n[Service]\nWorkingDirectory=/opt/bin\nType=forking\nTimeoutStartSec=360\nRemainAfterExit=yes\nKillMode=process\nEnvironment=\"KUBECONFIG=/etc/kubernetes/admin.conf\"\nEnvironment=\"CIDR=10.244.0.0/16\"\nEnvironment=\"URL=https://raw.githubusercontent.com/projectcalico/calico/v3.24.5/manifests/calico.yaml\"\nExecStart=/opt/bin/kubectl apply -f ${URL}\n[Install]\nWantedBy=multi-user.target\n", + "enabled": true, + "name": "install-network-cni.service" + } + ] + } +}