提交 26b3bbf0 编写于 作者: 徐晓伟's avatar 徐晓伟

📝 Containerd hosts 配置,调整格式

上级 a190a62a
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5. crictl 用户指南
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md)
6. Containerd hosts 配置
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/hosts.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/hosts.md)
## 视频演示
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16. crictl 用户指南
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md)
17. Containerd hosts 配置
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/hosts.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/hosts.md)
## 说明
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5. crictl 用户指南
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md)
6. Containerd hosts 配置
1. [GitHub](https://github.com/containerd/containerd/blob/main/docs/hosts.md)
2. [GitCode](https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/hosts.md)
## 配置 `crictl`
编辑 `/etc/containerd/config.toml` 文件
```shell
vim /etc/containerd/config.toml
```
`[plugins."io.containerd.grpc.v1.cri".registry.mirrors]` 后面添加镜像,注意前面的缩进(空格),配置 docker.io 的示例
如果 `/etc/containerd/config.toml` 配置很少,可能需要使用命令 `containerd config default`
生成默认配置,替换原始的 `/etc/containerd/config.toml` 文件(慎重操作,注意备份历史配置文件)
```shell
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
endpoint = ["https://hnkfbj7x.mirror.aliyuncs.com", "https://registry-1.docker.io"]
```
重启服务
```shell
systemctl restart containerd
```
使用 `crictl` 测试
```shell
# 开启 crictl 配置
# 参考:
# GitHub:https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md
# GitCode:https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md
# 生成配置文件
cat <<EOF > /etc/crictl.yaml
runtime-endpoint: unix:///run/containerd/containerd.sock
image-endpoint: unix:///run/containerd/containerd.sock
timeout: 10
debug: true
EOF
# 查看生成的配置文件
cat /etc/crictl.yaml
# 查看配置是否生效
crictl info
# 拉取镜像测试
crictl pull docker.io/library/maven:3.6.3-openjdk-17
# 查看拉取的结果
crictl image
```
1. 编辑 `/etc/containerd/config.toml` 文件
```shell
vim /etc/containerd/config.toml
```
`[plugins."io.containerd.grpc.v1.cri".registry.mirrors]` 后面添加镜像,注意前面的缩进(空格),配置 docker.io 的示例
如果 `/etc/containerd/config.toml` 配置很少,可能需要使用命令 `containerd config default`
生成默认配置,替换原始的 `/etc/containerd/config.toml` 文件(慎重操作,注意备份历史配置文件)
```shell
[plugins."io.containerd.grpc.v1.cri".registry.mirrors]
[plugins."io.containerd.grpc.v1.cri".registry.mirrors."docker.io"]
endpoint = ["https://hnkfbj7x.mirror.aliyuncs.com", "https://registry-1.docker.io"]
```
2. 重启服务
```shell
systemctl restart containerd
```
3. 检查 `crictl` 配置
查看是否配置 crictl
```shell
cat /etc/crictl.yaml
```
如果没有配置,则执行命令进行配置
```shell
# 开启 crictl 配置
# 参考:
# GitHub:https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md
# GitCode:https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md
# 生成配置文件
cat <<EOF > /etc/crictl.yaml
runtime-endpoint: unix:///run/containerd/containerd.sock
image-endpoint: unix:///run/containerd/containerd.sock
timeout: 10
debug: true
EOF
# 查看生成的配置文件
cat /etc/crictl.yaml
```
查看配置是否生效
```shell
crictl info
```
4. 使用 `crictl` 测试
```shell
# 拉取镜像测试
crictl pull docker.io/library/maven:3.6.3-openjdk-17
# 查看拉取的结果
crictl image
```
## 配置 `ctr`、`crictl`
以加速 docker.io 为例
创建文件夹
```shell
mkdir -p /etc/containerd/certs.d/docker.io
```
创建配置文件
```shell
cat <<EOF > /etc/containerd/certs.d/docker.io/hosts.toml
server = "https://docker.io"
[host."https://hnkfbj7x.mirror.aliyuncs.com"]
capabilities = ["pull", "resolve"]
# 跳过证书验证
skip_verify = true
EOF
# 查看生成的配置文件
cat /etc/crictl.yaml
```
使用 `ctr` 测试
```shell
# 拉取镜像
ctr --debug i pull --hosts-dir "/etc/containerd/certs.d" docker.io/library/maven:3.6.3-jdk-8
# 查看镜像
# ctr i list
```
编辑 `/etc/containerd/config.toml` 文件,使 `crictl` 命令也能生效
```shell
vim /etc/containerd/config.toml
```
修改 `[plugins."io.containerd.grpc.v1.cri".registry]``config_path`
```shell
[plugins."io.containerd.grpc.v1.cri".registry]
# 配置 config_path 时,需要 文件夹、文件 必须存在,否则命令无法运行
# plugins."io.containerd.grpc.v1.cri".registry 中的 config_path 与 plugins."io.containerd.grpc.v1.cri".registry.mirrors 对于 crictl 是等效的
config_path = "/etc/containerd/certs.d"
```
重启服务
```shell
systemctl restart containerd
```
使用 `crictl` 测试
```shell
# 拉取镜像测试
crictl pull docker.io/library/maven:3.6.3-openjdk-17
# 查看拉取的结果
crictl image
```
1. 以加速 docker.io 为例
2. 创建文件夹
```shell
mkdir -p /etc/containerd/certs.d/docker.io
```
3. 创建配置文件
```shell
cat <<EOF > /etc/containerd/certs.d/docker.io/hosts.toml
server = "https://docker.io"
[host."https://hnkfbj7x.mirror.aliyuncs.com"]
capabilities = ["pull", "resolve"]
# 跳过证书验证
skip_verify = true
EOF
# 查看生成的配置文件
cat /etc/crictl.yaml
```
4. 使用 `ctr` 测试
```shell
# 拉取镜像
ctr --debug i pull --hosts-dir "/etc/containerd/certs.d" docker.io/library/maven:3.6.3-jdk-8
# 查看镜像
# ctr i list
```
5. 编辑 `/etc/containerd/config.toml` 文件,使 `crictl` 命令也能生效
```shell
vim /etc/containerd/config.toml
```
修改 `[plugins."io.containerd.grpc.v1.cri".registry]``config_path`
```shell
[plugins."io.containerd.grpc.v1.cri".registry]
# 配置 config_path 时,需要 文件夹、文件 必须存在,否则命令无法运行
# plugins."io.containerd.grpc.v1.cri".registry 中的 config_path 与 plugins."io.containerd.grpc.v1.cri".registry.mirrors 对于 crictl 是等效的
config_path = "/etc/containerd/certs.d"
```
6. 重启服务
```shell
systemctl restart containerd
```
7. 检查 `crictl` 配置
查看是否配置 crictl
```shell
cat /etc/crictl.yaml
```
如果没有配置,则执行命令进行配置
```shell
# 开启 crictl 配置
# 参考:
# GitHub:https://github.com/containerd/containerd/blob/main/docs/cri/crictl.md
# GitCode:https://gitcode.net/mirrors/containerd/containerd/-/blob/main/docs/cri/crictl.md
# 生成配置文件
cat <<EOF > /etc/crictl.yaml
runtime-endpoint: unix:///run/containerd/containerd.sock
image-endpoint: unix:///run/containerd/containerd.sock
timeout: 10
debug: true
EOF
# 查看生成的配置文件
cat /etc/crictl.yaml
```
查看配置是否生效
```shell
crictl info
```
8. 使用 `crictl` 测试
```shell
# 拉取镜像测试
crictl pull docker.io/library/maven:3.6.3-openjdk-17
# 查看拉取的结果
crictl image
```
## 说明
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