2017-11-11 19:14:21 +08:00
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[Unit]
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Description=Kubernetes Kubelet
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Documentation=https://github.com/GoogleCloudPlatform/kubernetes
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After=docker.service
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Requires=docker.service
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[Service]
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WorkingDirectory=/var/lib/kubelet
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#--pod-infra-container-image=registry.access.redhat.com/rhel7/pod-infrastructure:latest
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ExecStart={{ bin_dir }}/kubelet \
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2018-06-09 22:19:20 +08:00
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--address={{ inventory_hostname }} \
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2018-09-11 20:46:46 +08:00
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--allow-privileged=true \
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--anonymous-auth=false \
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2018-05-17 22:51:15 +08:00
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--client-ca-file={{ ca_dir }}/ca.pem \
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2017-11-11 19:14:21 +08:00
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--cluster-dns={{ CLUSTER_DNS_SVC_IP }} \
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--cluster-domain={{ CLUSTER_DNS_DOMAIN }} \
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2018-09-11 20:46:46 +08:00
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--cni-bin-dir={{ bin_dir }} \
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--cni-conf-dir=/etc/cni/net.d \
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2017-11-21 11:27:06 +08:00
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--fail-swap-on=false \
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2018-09-11 20:46:46 +08:00
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--hairpin-mode hairpin-veth \
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--hostname-override={{ inventory_hostname }} \
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--kubeconfig=/etc/kubernetes/kubelet.kubeconfig \
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--max-pods={{ MAX_PODS }} \
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--network-plugin=cni \
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--pod-infra-container-image=mirrorgooglecontainers/pause-amd64:3.1 \
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--register-node=true \
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2018-08-29 22:16:50 +08:00
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--root-dir={{ KUBELET_ROOT_DIR }} \
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2018-09-11 20:46:46 +08:00
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--tls-cert-file={{ ca_dir }}/kubelet.pem \
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--tls-private-key-file={{ ca_dir }}/kubelet-key.pem \
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2017-11-11 19:14:21 +08:00
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--v=2
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#kubelet cAdvisor 默认在所有接口监听 4194 端口的请求, 以下iptables限制内网访问
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ExecStartPost=/sbin/iptables -A INPUT -s 10.0.0.0/8 -p tcp --dport 4194 -j ACCEPT
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ExecStartPost=/sbin/iptables -A INPUT -s 172.16.0.0/12 -p tcp --dport 4194 -j ACCEPT
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ExecStartPost=/sbin/iptables -A INPUT -s 192.168.0.0/16 -p tcp --dport 4194 -j ACCEPT
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ExecStartPost=/sbin/iptables -A INPUT -p tcp --dport 4194 -j DROP
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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