#cloud-config write_files: - path: /etc/systemd/system/cloud-metadata.service content: | [Unit] Description=Digital Ocean metadata agent [Service] Type=oneshot Environment=OUTPUT=/run/metadata/digitalocean ExecStart=/usr/bin/mkdir -p /run/metadata ExecStart=/usr/bin/bash -c 'echo "DIGITALOCEAN_IPV4_PUBLIC_0=$(curl\ --url http://169.254.169.254/metadata/v1/interfaces/public/0/ipv4/address\ --retry 10)\nDIGITALOCEAN_IPV4_PRIVATE_0=$(curl\ --url http://169.254.169.254/metadata/v1/interfaces/private/0/ipv4/address\ --retry 10)" > $${OUTPUT}' - path: /etc/systemd/system/kubelet.service content: | [Unit] Description=Kubelet Requires=cloud-metadata.service After=cloud-metadata.service Wants=rpc-statd.service [Service] WorkingDirectory=/etc/kubernetes EnvironmentFile=/run/metadata/digitalocean ExecStartPre=/bin/mkdir -p /opt/cni/bin ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d ExecStartPre=/bin/mkdir -p /etc/kubernetes/checkpoint-secrets ExecStartPre=/bin/mkdir -p /etc/kubernetes/inactive-manifests ExecStartPre=/bin/mkdir -p /var/lib/cni ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt" # Atomic's system containers and RPMs are old and unfriendly. Use this. ExecStartPre=/usr/bin/curl -L https://dl.k8s.io/v1.10.0/kubernetes-node-linux-amd64.tar.gz -o kubernetes-node-linux-amd64.tar.gz ExecStartPre=/usr/bin/tar xzf kubernetes-node-linux-amd64.tar.gz -C /usr/local/bin --strip-components=3 kubernetes/node/bin/kubelet ExecStart= ExecStart=/usr/local/bin/kubelet \ --allow-privileged \ --anonymous-auth=false \ --cgroup-driver=systemd \ --client-ca-file=/etc/kubernetes/ca.crt \ --cluster_dns=${k8s_dns_service_ip} \ --cluster_domain=${cluster_domain_suffix} \ --cni-conf-dir=/etc/kubernetes/cni/net.d \ --exit-on-lock-contention \ --hostname-override=$${DIGITALOCEAN_IPV4_PRIVATE_0} \ --kubeconfig=/etc/kubernetes/kubeconfig \ --lock-file=/var/run/lock/kubelet.lock \ --network-plugin=cni \ --node-labels=node-role.kubernetes.io/node \ --pod-manifest-path=/etc/kubernetes/manifests \ --volume-plugin-dir=/var/lib/kubelet/volumeplugins Restart=always RestartSec=10 [Install] WantedBy=multi-user.target - path: /etc/systemd/system/kubelet.path content: | [Unit] Description=Watch for kubeconfig [Path] PathExists=/etc/kubernetes/kubeconfig [Install] WantedBy=multi-user.target - path: /etc/kubernetes/.keep - path: /etc/selinux/config owner: root:root permissions: '0644' content: | SELINUX=permissive SELINUXTYPE=targeted bootcmd: - [setenforce, Permissive] runcmd: - [systemctl, daemon-reload] - [systemctl, enable, kubelet.path] - [systemctl, enable, cloud-metadata.service] - [systemctl, start, --no-block, kubelet.path] - [systemctl, disable, firewalld, --now] users: - default - name: fedora gecos: Fedora Admin sudo: ALL=(ALL) NOPASSWD:ALL groups: wheel,adm,systemd-journal,docker ssh-authorized-keys: - "${ssh_authorized_key}"