TechCookbookKubernetes

COOKBOOK-Kubernetes二进制高可用部署-Kubelet

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所有虚拟机移动可执行文件

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# 移动可执行文件到bin目录
mv /usr/local/src/kubernetes/server/bin/kubelet /usr/local/bin/

# 配置可执行文件的属性
chmod 755 /usr/local/bin/kubelet

所有虚拟机创建 kubelet systemd 服务

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# 创建 kubelet systemd 服务文件
cat << EOF > /etc/kubernetes/kubelet.service
[Unit]
Description=Kubernetes Kubelet Server
Documentation=https://github.com/kubernetes/kubernetes
After=network.target containerd.service

[Service]
EnvironmentFile=/etc/kubernetes/kubelet.arg
ExecStart=/usr/local/bin/kubelet \$KUBELET_ARGS
Restart=always

[Install]
WantedBy=multi-user.target
EOF

# 软链到系统服务目录
ln -s /etc/kubernetes/kubelet.service /usr/lib/systemd/system/kubelet.service

创建 kubelet 启动参数配置文件

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# 192.168.56.109执行
# 其中 cgroup-driver 需同 containerd 配置一致
# 其中 pod-cidr 需同 kube-controller-manager、calico（或flannel）配置一致
cat << EOF > /etc/kubernetes/kubelet.arg
KUBELET_ARGS="--kubeconfig=/etc/kubernetes/admin.kubeconfig \
--anonymous-auth=true \
--address=192.168.56.109 \
--hostname-override=192.168.56.109 \
--node-ip=192.168.56.109 \
--port=10250 \
--cluster-dns=169.169.0.100 \
--cluster-domain=cluster.local \
--cgroup-driver=cgroupfs \
--containerd=/run/containerd/containerd.sock \
--pod-infra-container-image=registry.k8s.io/pause:3.10 \
--pod-cidr=20.20.0.0/16"
EOF
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# 192.168.56.110执行
# 其中 cgroup-driver 需同 containerd 配置一致
cat << EOF > /etc/kubernetes/kubelet.arg
KUBELET_ARGS="--kubeconfig=/etc/kubernetes/admin.kubeconfig \
--anonymous-auth=true \
--address=192.168.56.110 \
--hostname-override=192.168.56.110 \
--node-ip=192.168.56.110 \
--port=10250 \
--cluster-dns=169.169.0.100 \
--cluster-domain=cluster.local \
--cgroup-driver=cgroupfs \
--containerd=/run/containerd/containerd.sock \
--pod-infra-container-image=registry.k8s.io/pause:3.10 \
--pod-cidr=20.20.0.0/16"
EOF
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# 192.168.56.111执行
# 其中 cgroup-driver 需同 containerd 配置一致
cat << EOF > /etc/kubernetes/kubelet.arg
KUBELET_ARGS="--kubeconfig=/etc/kubernetes/admin.kubeconfig \
--anonymous-auth=true \
--address=192.168.56.111 \
--hostname-override=192.168.56.111 \
--node-ip=192.168.56.111 \
--port=10250 \
--cluster-dns=169.169.0.100 \
--cluster-domain=cluster.local \
--cgroup-driver=cgroupfs \
--containerd=/run/containerd/containerd.sock \
--pod-infra-container-image=registry.k8s.io/pause:3.10 \
--pod-cidr=20.20.0.0/16"
EOF

所有虚拟机启动 kubelet 服务

systemctl start kubelet && systemctl enable kubelet

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