--- systemd: units: - name: etcd-member.service enable: true dropins: - name: 40-etcd-cluster.conf contents: | [Service] Environment="ETCD_IMAGE_TAG=v3.3.8" Environment="ETCD_NAME=${etcd_name}" Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379" Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380" Environment="ETCD_LISTEN_CLIENT_URLS=https://0.0.0.0:2379" Environment="ETCD_LISTEN_PEER_URLS=https://0.0.0.0:2380" Environment="ETCD_LISTEN_METRICS_URLS=http://0.0.0.0:2381" Environment="ETCD_INITIAL_CLUSTER=${etcd_initial_cluster}" Environment="ETCD_STRICT_RECONFIG_CHECK=true" Environment="ETCD_SSL_DIR=/etc/ssl/etcd" Environment="ETCD_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/server-ca.crt" Environment="ETCD_CERT_FILE=/etc/ssl/certs/etcd/server.crt" Environment="ETCD_KEY_FILE=/etc/ssl/certs/etcd/server.key" Environment="ETCD_CLIENT_CERT_AUTH=true" Environment="ETCD_PEER_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/peer-ca.crt" Environment="ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt" Environment="ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key" Environment="ETCD_PEER_CLIENT_CERT_AUTH=true" - name: docker.service enable: true - name: locksmithd.service mask: true - name: kubelet.path enable: true contents: | [Unit] Description=Watch for kubeconfig [Path] PathExists=/etc/kubernetes/kubeconfig [Install] WantedBy=multi-user.target - name: wait-for-dns.service enable: true contents: | [Unit] Description=Wait for DNS entries Wants=systemd-resolved.service Before=kubelet.service [Service] Type=oneshot RemainAfterExit=true ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done' [Install] RequiredBy=kubelet.service RequiredBy=etcd-member.service - name: kubelet.service contents: | [Unit] Description=Kubelet via Hyperkube Requires=coreos-metadata.service After=coreos-metadata.service Wants=rpc-statd.service [Service] EnvironmentFile=/etc/kubernetes/kubelet.env EnvironmentFile=/run/metadata/coreos Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \ --volume=resolv,kind=host,source=/etc/resolv.conf \ --mount volume=resolv,target=/etc/resolv.conf \ --volume var-lib-cni,kind=host,source=/var/lib/cni \ --mount volume=var-lib-cni,target=/var/lib/cni \ --volume var-lib-calico,kind=host,source=/var/lib/calico \ --mount volume=var-lib-calico,target=/var/lib/calico \ --volume opt-cni-bin,kind=host,source=/opt/cni/bin \ --mount volume=opt-cni-bin,target=/opt/cni/bin \ --volume var-log,kind=host,source=/var/log \ --mount volume=var-log,target=/var/log \ --insecure-options=image" 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/calico ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt" ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid ExecStart=/usr/lib/coreos/kubelet-wrapper \ --allow-privileged \ --anonymous-auth=false \ --authentication-token-webhook \ --authorization-mode=Webhook \ --client-ca-file=/etc/kubernetes/ca.crt \ --cluster_dns=${k8s_dns_service_ip} \ --cluster_domain=${cluster_domain_suffix} \ --cni-conf-dir=/etc/kubernetes/cni/net.d \ --exit-on-lock-contention \ --hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \ --kubeconfig=/etc/kubernetes/kubeconfig \ --lock-file=/var/run/lock/kubelet.lock \ --network-plugin=cni \ --node-labels=node-role.kubernetes.io/master \ --node-labels=node-role.kubernetes.io/controller="true" \ --pod-manifest-path=/etc/kubernetes/manifests \ --register-with-taints=node-role.kubernetes.io/master=:NoSchedule \ --volume-plugin-dir=/var/lib/kubelet/volumeplugins ExecStop=-/usr/bin/rkt stop --uuid-file=/var/cache/kubelet-pod.uuid Restart=always RestartSec=10 [Install] WantedBy=multi-user.target - name: bootkube.service contents: | [Unit] Description=Bootstrap a Kubernetes cluster ConditionPathExists=!/opt/bootkube/init_bootkube.done [Service] Type=oneshot RemainAfterExit=true WorkingDirectory=/opt/bootkube ExecStart=/opt/bootkube/bootkube-start ExecStartPost=/bin/touch /opt/bootkube/init_bootkube.done [Install] WantedBy=multi-user.target storage: files: - path: /etc/kubernetes/kubelet.env filesystem: root mode: 0644 contents: inline: | KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube KUBELET_IMAGE_TAG=v1.10.4 - path: /etc/sysctl.d/max-user-watches.conf filesystem: root contents: inline: | fs.inotify.max_user_watches=16184 - path: /opt/bootkube/bootkube-start filesystem: root mode: 0544 user: id: 500 group: id: 500 contents: inline: | #!/bin/bash # Wrapper for bootkube start set -e # Move experimental manifests [ -n "$(ls /opt/bootkube/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootkube/assets/manifests-*/* /opt/bootkube/assets/manifests && rm -rf /opt/bootkube/assets/manifests-* BOOTKUBE_ACI="$${BOOTKUBE_ACI:-quay.io/coreos/bootkube}" BOOTKUBE_VERSION="$${BOOTKUBE_VERSION:-v0.12.0}" BOOTKUBE_ASSETS="$${BOOTKUBE_ASSETS:-/opt/bootkube/assets}" exec /usr/bin/rkt run \ --trust-keys-from-https \ --volume assets,kind=host,source=$${BOOTKUBE_ASSETS} \ --mount volume=assets,target=/assets \ --volume bootstrap,kind=host,source=/etc/kubernetes \ --mount volume=bootstrap,target=/etc/kubernetes \ $${RKT_OPTS} \ $${BOOTKUBE_ACI}:$${BOOTKUBE_VERSION} \ --net=host \ --dns=host \ --exec=/bootkube -- start --asset-dir=/assets "$@"