Kubeadm初始化遇到的坑：[ERROR CRI]: container runtime is not running:-Toy模板网

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运行 kubeadm init --config kubeadm.yaml 完整报错如下：


[root@m1 ~]# kubeadm init --config kubeadm.yaml
[init] Using Kubernetes version: v1.25.0
[preflight] Running pre-flight checks
        [WARNING Hostname]: hostname "node" could not be reached
        [WARNING Hostname]: hostname "node": lookup node on 114.114.114.114:53: no such host
error execution phase preflight: [preflight] Some fatal errors occurred:
        [ERROR CRI]: container runtime is not running: output: E1012 16:05:21.590596   13160 remote_runtime.go:948] "Status from runtime service failed" err="rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.RuntimeService"
time="2022-10-12T16:05:21+08:00" level=fatal msg="getting status of runtime: rpc error: code = Unimplemented desc = unknown service runtime.v1alpha2.RuntimeService"
, error: exit status 1
[preflight] If you know what you are doing, you can make a check non-fatal with `--ignore-preflight-errors=...`
To see the stack trace of this error execute with --v=5 or higher

解决：

[root@m1:~] rm -rf /etc/containerd/config.toml
[root@m1:~] systemctl restart containerd

注意：kubernetes 1.24+版本之后，docker必须要加装cir-docker

安装 cri-dockerd

git clone https://github.com/Mirantis/cri-dockerd.git
cd cri-dockerd
mkdir bin
go build -o bin/cri-dockerd
mkdir -p /usr/local/bin
install -o root -g root -m 0755 bin/cri-dockerd /usr/local/bin/cri-dockerd
cp -a packaging/systemd/* /etc/systemd/system
sed -i -e 's,/usr/bin/cri-dockerd,/usr/local/bin/cri-dockerd,' /etc/systemd/system/cri-docker.service

Kubernetes使用文章来源地址https://www.toymoban.com/news/detail-517143.html

需要追加–network-plugin=cni，通过该配置告诉容器，使用kubernetes的网络接口。

vim /etc/systemd/system/cri-docker.service
# 追加
ExecStart=/usr/local/bin/cri-dockerd --container-runtime-endpoint fd:// --network-plugin=cni --pod-infra-container-image=kubebiz/pause:3.8

# 启动
systemctl daemon-reload
systemctl enable cri-docker.service
systemctl enable --now cri-docker.socket
systemctl start docker
systemctl start cri-docker
# 验证
systemctl status cri-docker

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