--- variant: fcos version: 1.5.0 systemd: units: - name: containerd.service enabled: true - name: docker.service mask: true - name: wait-for-dns.service enabled: true contents: | [Unit] Description=Wait for DNS and hostname Before=kubelet.service [Service] Type=oneshot RemainAfterExit=true ExecStartPre=/bin/sh -c 'while [ `hostname -s` == "localhost" ]; do sleep 1; done;' ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done' [Install] RequiredBy=kubelet.service - name: kubelet.service enabled: true contents: | [Unit] Description=Kubelet (System Container) Requires=afterburn.service After=afterburn.service Wants=rpc-statd.service [Service] Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.27.2 EnvironmentFile=/run/metadata/afterburn ExecStartPre=/bin/mkdir -p /etc/cni/net.d ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests ExecStartPre=/bin/mkdir -p /opt/cni/bin ExecStartPre=/bin/mkdir -p /var/lib/calico ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt" ExecStartPre=-/usr/bin/podman rm kubelet ExecStart=/usr/bin/podman run --name kubelet \ --log-driver k8s-file \ --privileged \ --pid host \ --network host \ --volume /etc/cni/net.d:/etc/cni/net.d:ro,z \ --volume /etc/kubernetes:/etc/kubernetes:ro,z \ --volume /etc/machine-id:/etc/machine-id:ro \ --volume /usr/lib/os-release:/etc/os-release:ro \ --volume /lib/modules:/lib/modules:ro \ --volume /run:/run \ --volume /sys/fs/cgroup:/sys/fs/cgroup \ --volume /etc/selinux:/etc/selinux \ --volume /sys/fs/selinux:/sys/fs/selinux \ --volume /var/lib/calico:/var/lib/calico:ro \ --volume /var/lib/containerd:/var/lib/containerd \ --volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \ --volume /var/log:/var/log \ --volume /var/run/lock:/var/run/lock:z \ --volume /opt/cni/bin:/opt/cni/bin:z \ $${KUBELET_IMAGE} \ --bootstrap-kubeconfig=/etc/kubernetes/kubeconfig \ --config=/etc/kubernetes/kubelet.yaml \ --container-runtime-endpoint=unix:///run/containerd/containerd.sock \ --kubeconfig=/var/lib/kubelet/kubeconfig \ --node-labels=node.kubernetes.io/node \ %{~ for label in split(",", node_labels) ~} --node-labels=${label} \ %{~ endfor ~} %{~ for taint in split(",", node_taints) ~} --register-with-taints=${taint} \ %{~ endfor ~} --provider-id=aws:///$${AFTERBURN_AWS_AVAILABILITY_ZONE}/$${AFTERBURN_AWS_INSTANCE_ID} ExecStop=-/usr/bin/podman stop kubelet Delegate=yes Restart=always RestartSec=10 [Install] WantedBy=multi-user.target storage: directories: - path: /etc/kubernetes files: - path: /etc/kubernetes/kubeconfig mode: 0644 contents: inline: | ${kubeconfig} - path: /etc/kubernetes/kubelet.yaml mode: 0644 contents: inline: | apiVersion: kubelet.config.k8s.io/v1beta1 kind: KubeletConfiguration authentication: anonymous: enabled: false webhook: enabled: true x509: clientCAFile: /etc/kubernetes/ca.crt authorization: mode: Webhook cgroupDriver: systemd clusterDNS: - ${cluster_dns_service_ip} clusterDomain: ${cluster_domain_suffix} healthzPort: 0 rotateCertificates: true shutdownGracePeriod: 45s shutdownGracePeriodCriticalPods: 30s staticPodPath: /etc/kubernetes/manifests readOnlyPort: 0 resolvConf: /run/systemd/resolve/resolv.conf volumePluginDir: /var/lib/kubelet/volumeplugins - path: /etc/systemd/logind.conf.d/inhibitors.conf contents: inline: | [Login] InhibitDelayMaxSec=45s - path: /etc/sysctl.d/max-user-watches.conf contents: inline: | fs.inotify.max_user_watches=16184 - path: /etc/sysctl.d/reverse-path-filter.conf contents: inline: | net.ipv4.conf.default.rp_filter=0 net.ipv4.conf.*.rp_filter=0 - path: /etc/systemd/network/50-flannel.link contents: inline: | [Match] OriginalName=flannel* [Link] MACAddressPolicy=none - path: /etc/systemd/system.conf.d/accounting.conf contents: inline: | [Manager] DefaultCPUAccounting=yes DefaultMemoryAccounting=yes DefaultBlockIOAccounting=yes - path: /etc/containerd/config.toml overwrite: true contents: inline: | version = 2 root = "/var/lib/containerd" state = "/run/containerd" subreaper = true oom_score = -999 [grpc] address = "/run/containerd/containerd.sock" uid = 0 gid = 0 [plugins."io.containerd.grpc.v1.cri"] enable_selinux = true [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc] runtime_type = "io.containerd.runc.v2" [plugins."io.containerd.grpc.v1.cri".containerd.runtimes.runc.options] SystemdCgroup = true passwd: users: - name: core ssh_authorized_keys: - ${ssh_authorized_key}