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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--address={{ NODE_IP }} \
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--hostname-override={{ NODE_IP }} \
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2017-12-19 17:46:34 +08:00
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--pod-infra-container-image={{ POD_INFRA_CONTAINER_IMAGE }} \
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2017-11-11 19:14:21 +08:00
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--experimental-bootstrap-kubeconfig=/etc/kubernetes/bootstrap.kubeconfig \
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--kubeconfig=/etc/kubernetes/kubelet.kubeconfig \
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--cert-dir={{ ca_dir }} \
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2017-12-31 10:25:56 +08:00
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--network-plugin=cni \
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--cni-conf-dir=/etc/cni/net.d \
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--cni-bin-dir={{ bin_dir }} \
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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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2017-12-04 20:20:17 +08:00
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--hairpin-mode hairpin-veth \
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2017-11-11 19:14:21 +08:00
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--allow-privileged=true \
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2017-11-21 11:27:06 +08:00
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--fail-swap-on=false \
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2017-11-11 19:14:21 +08:00
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--logtostderr=true \
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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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