123 lines
4.6 KiB
Cheetah
123 lines
4.6 KiB
Cheetah
---
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systemd:
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units:
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- name: docker.service
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enable: true
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- name: locksmithd.service
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mask: true
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- name: kubelet.path
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enable: true
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contents: |
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[Unit]
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Description=Watch for kubeconfig
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[Path]
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PathExists=/etc/kubernetes/kubeconfig
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[Install]
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WantedBy=multi-user.target
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- name: wait-for-dns.service
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enable: true
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contents: |
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[Unit]
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Description=Wait for DNS entries
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Wants=systemd-resolved.service
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Before=kubelet.service
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[Service]
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Type=oneshot
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RemainAfterExit=true
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ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done'
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[Install]
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RequiredBy=kubelet.service
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- name: kubelet.service
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contents: |
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[Unit]
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Description=Kubelet via Hyperkube
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Requires=coreos-metadata.service
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After=coreos-metadata.service
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Wants=rpc-statd.service
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[Service]
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EnvironmentFile=/etc/kubernetes/kubelet.env
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EnvironmentFile=/run/metadata/coreos
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Environment="RKT_RUN_ARGS=--uuid-file-save=/var/cache/kubelet-pod.uuid \
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--volume=resolv,kind=host,source=/etc/resolv.conf \
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--mount volume=resolv,target=/etc/resolv.conf \
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--volume var-lib-cni,kind=host,source=/var/lib/cni \
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--mount volume=var-lib-cni,target=/var/lib/cni \
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--volume var-lib-calico,kind=host,source=/var/lib/calico \
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--mount volume=var-lib-calico,target=/var/lib/calico \
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--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
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--mount volume=opt-cni-bin,target=/opt/cni/bin \
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--volume var-log,kind=host,source=/var/log \
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--mount volume=var-log,target=/var/log \
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--insecure-options=image"
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ExecStartPre=/bin/mkdir -p /opt/cni/bin
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ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
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ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
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ExecStartPre=/bin/mkdir -p /var/lib/cni
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ExecStartPre=/bin/mkdir -p /var/lib/calico
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ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
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ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
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ExecStartPre=-/usr/bin/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
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ExecStart=/usr/lib/coreos/kubelet-wrapper \
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--anonymous-auth=false \
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--authentication-token-webhook \
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--authorization-mode=Webhook \
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--client-ca-file=/etc/kubernetes/ca.crt \
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--cluster_dns=${k8s_dns_service_ip} \
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--cluster_domain=${cluster_domain_suffix} \
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--cni-conf-dir=/etc/kubernetes/cni/net.d \
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--exit-on-lock-contention \
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--hostname-override=$${COREOS_DIGITALOCEAN_IPV4_PRIVATE_0} \
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--kubeconfig=/etc/kubernetes/kubeconfig \
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--lock-file=/var/run/lock/kubelet.lock \
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--network-plugin=cni \
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--node-labels=node-role.kubernetes.io/node \
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--pod-manifest-path=/etc/kubernetes/manifests \
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--volume-plugin-dir=/var/lib/kubelet/volumeplugins
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ExecStop=-/usr/bin/rkt stop --uuid-file=/var/cache/kubelet-pod.uuid
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Restart=always
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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- name: delete-node.service
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enable: true
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contents: |
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[Unit]
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Description=Waiting to delete Kubernetes node on shutdown
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[Service]
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Type=oneshot
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RemainAfterExit=true
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ExecStart=/bin/true
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ExecStop=/etc/kubernetes/delete-node
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[Install]
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WantedBy=multi-user.target
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storage:
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files:
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- path: /etc/kubernetes/kubelet.env
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filesystem: root
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mode: 0644
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contents:
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inline: |
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KUBELET_IMAGE_URL=docker://k8s.gcr.io/hyperkube
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KUBELET_IMAGE_TAG=v1.12.1
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- path: /etc/sysctl.d/max-user-watches.conf
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filesystem: root
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contents:
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inline: |
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fs.inotify.max_user_watches=16184
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- path: /etc/kubernetes/delete-node
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filesystem: root
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mode: 0744
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contents:
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inline: |
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#!/bin/bash
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set -e
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exec /usr/bin/rkt run \
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--trust-keys-from-https \
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--volume config,kind=host,source=/etc/kubernetes \
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--mount volume=config,target=/etc/kubernetes \
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--insecure-options=image \
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docker://k8s.gcr.io/hyperkube:v1.12.1 \
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--net=host \
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--dns=host \
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--exec=/kubectl -- --kubeconfig=/etc/kubernetes/kubeconfig delete node $(hostname)
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