--- systemd: units: - name: etcd-member.service enable: true dropins: - name: 40-etcd-cluster.conf contents: | [Service] Environment="ETCD_IMAGE_TAG=v3.4.5" Environment="ETCD_IMAGE_URL=docker://quay.io/coreos/etcd" Environment="RKT_RUN_ARGS=--insecure-options=image" 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=/run/metadata/coreos ExecStartPre=/bin/mkdir -p /etc/kubernetes/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/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid ExecStart=/usr/bin/rkt run \ --uuid-file-save=/var/cache/kubelet-pod.uuid \ --stage1-from-dir=stage1-fly.aci \ --hosts-entry host \ --insecure-options=image \ --volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \ --mount volume=etc-kubernetes,target=/etc/kubernetes \ --volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \ --mount volume=etc-machine-id,target=/etc/machine-id \ --volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \ --mount volume=etc-os-release,target=/etc/os-release \ --volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \ --mount volume=etc-resolv,target=/etc/resolv.conf \ --volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \ --mount volume=etc-ssl-certs,target=/etc/ssl/certs \ --volume lib-modules,kind=host,source=/lib/modules,readOnly=true \ --mount volume=lib-modules,target=/lib/modules \ --volume run,kind=host,source=/run \ --mount volume=run,target=/run \ --volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \ --mount volume=usr-share-certs,target=/usr/share/ca-certificates \ --volume var-lib-calico,kind=host,source=/var/lib/calico,readOnly=true \ --mount volume=var-lib-calico,target=/var/lib/calico \ --volume var-lib-docker,kind=host,source=/var/lib/docker \ --mount volume=var-lib-docker,target=/var/lib/docker \ --volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \ --mount volume=var-lib-kubelet,target=/var/lib/kubelet \ --volume var-log,kind=host,source=/var/log \ --mount volume=var-log,target=/var/log \ --volume opt-cni-bin,kind=host,source=/opt/cni/bin \ --mount volume=opt-cni-bin,target=/opt/cni/bin \ docker://k8s.gcr.io/hyperkube:v1.17.4 \ --exec=/usr/local/bin/kubelet -- \ --anonymous-auth=false \ --authentication-token-webhook \ --authorization-mode=Webhook \ --client-ca-file=/etc/kubernetes/ca.crt \ --cluster_dns=${cluster_dns_service_ip} \ --cluster_domain=${cluster_domain_suffix} \ --cni-conf-dir=/etc/kubernetes/cni/net.d \ --exit-on-lock-contention \ --healthz-port=0 \ --hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \ --kubeconfig=/etc/kubernetes/kubeconfig \ --lock-file=/var/run/lock/kubelet.lock \ --network-plugin=cni \ --node-labels=node.kubernetes.io/master \ --node-labels=node.kubernetes.io/controller="true" \ --pod-manifest-path=/etc/kubernetes/manifests \ --read-only-port=0 \ --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: bootstrap.service contents: | [Unit] Description=Kubernetes control plane ConditionPathExists=!/opt/bootstrap/bootstrap.done [Service] Type=oneshot RemainAfterExit=true WorkingDirectory=/opt/bootstrap ExecStartPre=-/usr/bin/bash -c 'set -x && [ -n "$(ls /opt/bootstrap/assets/manifests-*/* 2>/dev/null)" ] && mv /opt/bootstrap/assets/manifests-*/* /opt/bootstrap/assets/manifests && rm -rf /opt/bootstrap/assets/manifests-*' ExecStart=/usr/bin/rkt run \ --trust-keys-from-https \ --volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \ --mount volume=config,target=/etc/kubernetes/secrets \ --volume assets,kind=host,source=/opt/bootstrap/assets \ --mount volume=assets,target=/assets \ --volume script,kind=host,source=/opt/bootstrap/apply \ --mount volume=script,target=/apply \ --insecure-options=image \ docker://k8s.gcr.io/hyperkube:v1.17.4 \ --net=host \ --dns=host \ --exec=/apply ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done [Install] WantedBy=multi-user.target storage: directories: - path: /etc/kubernetes filesystem: root files: - path: /opt/bootstrap/layout filesystem: root mode: 0544 contents: inline: | #!/bin/bash -e mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking awk '/#####/ {filename=$2; next} {print > filename}' assets mkdir -p /etc/ssl/etcd/etcd mkdir -p /etc/kubernetes/bootstrap-secrets mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/ mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/ chown -R etcd:etcd /etc/ssl/etcd chmod -R 500 /etc/ssl/etcd mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/ mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/ sudo mkdir -p /etc/kubernetes/manifests sudo mv static-manifests/* /etc/kubernetes/manifests/ sudo mkdir -p /opt/bootstrap/assets sudo mv manifests /opt/bootstrap/assets/manifests sudo mv manifests-networking /opt/bootstrap/assets/manifests-networking rm -rf assets auth static-manifests tls - path: /opt/bootstrap/apply filesystem: root mode: 0544 contents: inline: | #!/bin/bash -e export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig until kubectl version; do echo "Waiting for static pod control plane" sleep 5 done until kubectl apply -f /assets/manifests -R; do echo "Retry applying manifests" sleep 5 done - path: /etc/sysctl.d/max-user-watches.conf filesystem: root contents: inline: | fs.inotify.max_user_watches=16184