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对于习惯了使用docker cli的用户来说#xff0c;containerd的命令行工具ctr使用起来不是很顺手#xff0c;此时别慌#xff0c;还有另外一个命令行工具项目nerdctl可供我们选择。 nerdctl是一个与docker cli风格兼容的containerd的cli工具。 nerdctl已经作为子项目加入…前言
对于习惯了使用docker cli的用户来说containerd的命令行工具ctr使用起来不是很顺手此时别慌还有另外一个命令行工具项目nerdctl可供我们选择。 nerdctl是一个与docker cli风格兼容的containerd的cli工具。 nerdctl已经作为子项目加入了containerd项目它的github地址是https://github.com/containerd/nerdctl而且从最近的nerdctl 0.8开始nerdctl直接兼容了docker compose的语法(不包含swarm) 这很大提高了直接将containerd作为本地开发、测试和单机容器部署使用的体验。本来k8s后续将不再支持dockershimdocker在k8s社区的地位急剧下降现在单机直接使用containerd易用性也不断被完善也许docker的辉煌已经远去了。
实际上nerdctl compose实现的是Compose Specification规范 这个规范是从自Docker Compose file version 3 specification规范发展而来的。
安装nerdctl
本章节在上一章节的基础下进行containerd都已安装并启动完成。nerdctl下载链接https://github.com/containerd/nerdctl/releases/tag/v1.7.6 nerdctl 官方发布包含两个安装版本
Minimal仅包含 nerdctl 二进制文件及 rootless 模式下的辅助安装脚本Full全量包其中包含了 Containerd、CNI、runc、BuildKit 等完整组件。
如下
下载nerdctl
注意安装 nerdctl-full 版本集成了 containerd 。由于我之前虽然安装了containerd但是没有安装其他插件如CNI、BuildKit 等。我还是选择了安装nerdctl-full版本
[rootkube-master ~]# wget https://github.com/containerd/nerdctl/releases/download/v1.7.6/nerdctl-full-1.7.6-linux-amd64.tar.gz解压安装
[rootkube-master ~]# tar -xvf v1.7.6/nerdctl-full-1.7.6-linux-amd64.tar.gz -C /usr/local验证查看
[rootkube-master ~]# ctr version
Client:Version: v1.7.18Revision: ae71819c4f5e67bb4d5ae76a6b735f29cc25774eGo version: go1.21.11Server:Version: 1.6.33Revision: d2d58213f83a351ca8f528a95fbd145f5654e957UUID: 2bf0456c-c052-4d37-83b7-3d58cf632b91
WARNING: version mismatch
WARNING: revision mismatch
[rootkube-master ~]# nerdctl version
WARN[0000] unable to determine buildctl version: exec: buildctl: executable file not found in $PATH
Client:Version: v1.7.6OS/Arch: linux/amd64Git commit: 845e989f69d25b420ae325fedc8e70186243fd93buildctl:Version:Server:containerd:Version: 1.6.33GitCommit: d2d58213f83a351ca8f528a95fbd145f5654e957runc:Version: 1.1.12GitCommit: v1.1.12-0-g51d5e946nerdctl使用
nerdctl 是 containerd 的命令行界面的工具。nerdctl 兼容 docker 如果会使用 docker-cli 就等于掌握了 nerdctl 80% 的使用方法。nerdctl 不但兼容docker-cli 甚至还兼容了 docker-compose的功能点。
更名docker
甚至可以直接将nerdctl更名为 docker注意如果服务器本身安装了docker需要注意到底使用的哪个目录的。
[rootkube-master ~]# cat EOF /usr/local/bin/docker#!/bin/bash/usr/local/bin/nerdctl $EOF
[rootkube-master ~]# chmod x /usr/local/bin/dockernerdctl bash自动补全
[rootkube-master ~]# yum install bash-completion -y
[rootkube-master ~]# nerdctl completion bash /etc/bash_completion.d/nerdctl
[rootkube-master ~]# source /etc/bash_completion.d/nerdctl上面补全的是 nerdctl 的命令而当 nerdctl 重命名 docker 后没有 docker 的自动补全。
添加 docker 别名的自动补全 生成自动补全文件
[rootkube-master ~]#nerdctl completion bash /etc/bash_completion.d/docker生效
[rootkube-master ~]# source /etc/bash_completion.d/nerdctl
[rootkube-master ~]# source /etc/bash_completion.d/docker测试 输入 docker image 两下 tab
[rootkube-master ~]# nerdctl image
image (Manage images) images (List images) 安装常用插件
安装docker常用扩展插件
[rootkube-master ~]# docker run -it registry.cn-beijing.aliyuncs.com/k7scn/tools bash
Unable to find image registry.cn-beijing.aliyuncs.com/k7scn/tools:latest locally
latest: Pulling from k7scn/tools
88ecf269dec3: Pull complete
7e3e2c929b89: Pull complete
dedb8fce9b84: Pull complete
Digest: sha256:71442d19f1f35271a66de5c9d1f869c61946b25b991544b99b1de3cc2a9129c3
Status: Downloaded newer image for registry.cn-beijing.aliyuncs.com/k7scn/tools:latest
bash-5.2#
bash-5.2# ls
bin dev etc home lib media mnt opt pkg.tgz proc root run sbin srv sys tmp usr var
bash-5.2# mkdir /sysdir
bash-5.2# tar xf pkg.tgz -C /sysdir/
bash-5.2# cd /sysdir/
bash-5.2# ls
cclear ctop docker-compose ergoget iclear kdtoken upgrade-tools
crictl din dps helminit kbtoken scope可以看到有很多常用的命令下面我们通过一条命令直接拷贝到本地。
[rootkube-master cni]# nerdctl run --rm -v /usr/local/bin:/sysdir registry.cn-beijing.aliyuncs.com/k7scn/tools tar zxf /pkg.tgz -C /sysdir
FATA[0000] failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error running hook #0: error running hook: exit status 1, stdout: , stderr: time2024-06-20T14:32:1808:00 levelfatal msgfailed to call cni.Setup: plugin type\bridge\ failed (add): incompatible CNI versions; config is \1.0.0\, plugin supports [\0.1.0\ \0.2.0\ \0.3.0\ \0.3.1\]
Failed to write to log, write /var/lib/nerdctl/1935db59/containers/default/4cb2dd96d087592d4b69a09e3c992e52e3bbb90c226df698887eedd015565095/oci-hook.createRuntime.log: file already closed: unknown 可以看到在拷贝过程中出现了问题在网上找了一下资料解决。如下
# 下载包
[rootkube-master ~]# wget https://github.com/containernetworking/plugins/releases/download/v1.1.1/cni-plugins-linux-amd64-v1.1.1.tgz
# 备份一下驱动
[rootkube-master ~]# mv /opt/cni/bin /opt/cni/bin.bak
# 解压到指定目录
[rootkube-master ~]# tar -zxvf cni-plugins-linux-amd64-v1.1.1.tgz -C /opt/cni/bin
#然后再次执行拷贝
[rootkube-master ~]# nerdctl run --rm -v /usr/local/bin:/sysdir registry.cn-beijing.aliyuncs.com/k7scn/tools tar zxf /pkg.tgz -C /sysdir执行完成后就已经拷贝到 /usr/local/bin 目录下。
镜像管理
查看镜像
[rootkube-master cni]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
registry.cn-beijing.aliyuncs.com/k7scn/tools latest 71442d19f1f3 3 hours ago linux/amd64 55.4 MiB 45.7 MiB
[rootkube-master cni]#
或者
[rootkube-master cni]# nerdctl image ls
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
registry.cn-beijing.aliyuncs.com/k7scn/tools latest 71442d19f1f3 3 hours ago linux/amd64 55.4 MiB 45.7 MiB下载镜像
[rootkube-master cni]# nerdctl pull nginx:alpine
WARN[0000] skipping verifying HTTPS certs for docker.io
docker.io/library/nginx:alpine: resolved ||
index-sha256:eb05700fe7baa6890b74278e39b66b2ed1326831f9ec3ed4bdc6361a4ac2f333: done ||
manifest-sha256:544ba2bfe312bf2b13278495347bb9381ec342e630bcc8929af124f1291784bb: done ||
config-sha256:cc44224bfe208a46fbc45471e8f9416f66b75d6307573e29634e7f42e27a9268: done ||
layer-sha256:40e5d2fe5bcd566dbde3e961f33ced0f1503fc6ee320a427b185a07afe2f96ae: done ||
layer-sha256:59bf1c3509f33515622619af21ed55bbe26d24913cedbca106468a5fb37a50c3: done ||
layer-sha256:f3322597df46099a66ed5773c10a9d1cb587faca7be14ceba985e3d1fbfdbc36: done ||
layer-sha256:d09cf91cabdcf5f64672598b8e4da9b0b7d8546e83ec49633bdd92abb994ba61: done ||
layer-sha256:3a97535ac2efcf94ab3e5f93a6ec4d934469de66909f17ba1229f86ee660970a: done ||
layer-sha256:919ade35f869e23d663ea51fdf2e99aa183239a73b4b4780e052c8b248ed5b7e: done ||
elapsed: 20.9s total: 9.7 Mi (475.7 KiB/s)
[rootkube-master cni]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
nginx alpine eb05700fe7ba 13 seconds ago linux/amd64 26.4 MiB 9.7 MiB
registry.cn-beijing.aliyuncs.com/k7scn/tools latest 71442d19f1f3 3 hours ago linux/amd64 55.4 MiB 45.7 MiB查看镜像详细信息
[rootkube-master ~]# nerdctl inspect nginx:alpine构建镜像
[rootkube-master ~]# cd /tmp/
[rootkube-master tmp]# cat /tmp/Dockerfile EOF
FROM ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest
RUN echo hello world! /usr/share/nginx/html/index.html
EOF[rootkube-master tmp]# nerdctl build -t mynginx:v1 /tmp
ERRO[0000] buildctl needs to be installed and buildkitd needs to be running, see https://github.com/moby/buildkit errorfailed to ping to host unix:///run/buildkit-default/buildkitd.sock: exit status 1\nfailed to ping to host unix:///run/buildkit/buildkitd.sock: exit status 1
FATA[0000] no buildkit host is available, tried 2 candidates: failed to ping to host unix:///run/buildkit-default/buildkitd.sock: exit status 1
failed to ping to host unix:///run/buildkit/buildkitd.sock: exit status 1当构建镜像时出现如上报错信息是因为 buildkit.service 服务没有启动下面先添加启动文件然后启动服务
#添加buildkit.service文件
[rootkube-master tmp]# vim /usr/lib/systemd/system/buildkit.service
[Unit]
DescriptionBuildKit
Requiresbuildkit.socket
Afterbuildkit.socket
Documentationhttps://github.com/moby/buildkit[Service]
Typenotify
ExecStart/usr/local/bin/buildkitd --addr fd://[Install]
WantedBymulti-user.target#添加buildkit.socket文件
[rootkube-master tmp]# vim /usr/lib/systemd/system/buildkit.socket
[Unit]
DescriptionBuildKit
Documentationhttps://github.com/moby/buildkit[Socket]
ListenStream%t/buildkit/buildkitd.sock
SocketMode0660[Install]
WantedBysockets.target#启动服务
[rootkube-master tmp]# systemctl enable buildkit.service ; systemctl start buildkit.service
Created symlink from /etc/systemd/system/multi-user.target.wants/buildkit.service to /usr/local/lib/systemd/system/buildkit.service.BuildKit 是由 docker 公司开发的下一代 docker build 工具具有更高效、更安全、 易于扩展等特点。BuildKit 是由 buildkitd 守护程序 和 buildctl 客户端组成。
buildkitd 作为服务端连接容器运行时目前支持 runc 和 containerd 作为镜像构建环境默认是 runcbuildctl 作为客户端负责解析 Dockerfile 文件并向 buildkitd 发出构建请求。由于命令复杂使用 nerdctl 替代 再次进行构建
[rootkube-master tmp]# nerdctl build -t mynginx:v1 /tmp/
[] Building 17.8s (6/6) FINISHED [internal] load build definition from Dockerfile 0.0s transferring dockerfile: 154B 0.0s [internal] load metadata for ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest 15.6s [internal] load .dockerignore 0.0s transferring context: 2B 0.0s [1/2] FROM ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latestsha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31 0.0s resolve ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latestsha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31 0.0s CACHED [2/2] RUN echo hello world! /usr/share/nginx/html/index.html 0.0s exporting to docker image format 2.1s exporting layers 0.0s exporting manifest sha256:786482a9a8cfc283cf2aa577c6428968660afc2a8fd334d37d9a4b06b80f0888 0.0s exporting config sha256:c3bc6d0ebbe5d11f803b6b783f69c494e22a17bcedafb74bbf9876052f57ff46 0.0s sending tarball 2.1s
unpacking docker.io/library/mynginx:v1 (sha256:786482a9a8cfc283cf2aa577c6428968660afc2a8fd334d37d9a4b06b80f0888)...
Loaded image: docker.io/library/mynginx:v1查看镜像
[rootkube-master tmp]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
mynginx v1 786482a9a8cf About an hour ago linux/amd64 149.1 MiB 54.1 MiB
ustc-edu-cn.mirror.aliyuncs.com/library/nginx latest 0d17b565c37b About an hour ago linux/amd64 149.1 MiB 注意 nerdctl 构建的机制和 docker 是完全不同的。
docker 首先会检查本地是否有 Dockerfile 中 FROM 的镜像。如果有直接使用。没有则通过网络下载镜像;nerdctl 会根据 Dockerfile FROM参数指定镜像的域名去网上找这个镜像找到后确认和本地同名镜像校验无误之后才会使用本地的镜像构建新镜像。
举例 通过tag 打标一个不存在域名的镜像
[rootkube-master tmp]# nerdctl tag ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest margu.com/library/nginx:latest
#查看镜像
[rootkube-master tmp]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
mynginx v1 786482a9a8cf About an hour ago linux/amd64 149.1 MiB 54.1 MiB
margu.com/library/nginx latest 0d17b565c37b 3 seconds ago linux/amd64 149.1 MiB 54.1 MiB
ustc-edu-cn.mirror.aliyuncs.com/library/nginx latest 0d17b565c37b About an hour ago linux/amd64 149.1 MiB 54.1 MiB通过margu.com/library/nginx:latest构建新镜像
[rootkube-master tmp]# cat /tmp/Dockerfile EOF
FROM umargu.com/library/nginx:latest
RUN echo hello world! /usr/share/nginx/html/index.html
EOF[rootkube-master tmp]# nerdctl build -t mynginx:v2 /tmp/
[] Building 12.1s (2/2) FINISHED [internal] load build definition from Dockerfile 0.0s transferring dockerfile: 132B 0.0s ERROR [internal] load metadata for margu.com/library/nginx:latest 12.1s
------ [internal] load metadata for margu.com/library/nginx:latest:
------
Dockerfile:1
--------------------1 | FROM margu.com/library/nginx:latest2 | RUN echo hello world! /usr/share/nginx/html/index.html3 |
--------------------
error: failed to solve: margu.com/library/nginx:latest: failed to do request: Head https://margu.com/v2/library/nginx/manifests/latest: dial tcp 5.161.180.74:443: connect: connection refused
FATA[0012] no image was built构建时直接就抛出了错误信息这里要 非常注意
镜像标签TAG
[rootkube-master tmp]# nerdctl tag ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest margu.com/library/nginx:latest
[rootkube-master tmp]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
mynginx v1 786482a9a8cf About an hour ago linux/amd64 149.1 MiB 54.1 MiB
margu.com/library/nginx latest 0d17b565c37b 6 seconds ago linux/amd64 149.1 MiB 54.1 MiB
ustc-edu-cn.mirror.aliyuncs.com/library/nginx latest 0d17b565c37b About an hour ago linux/amd64 149.1 MiB 54.1 MiB删除镜像
[rootkube-master tmp]# nerdctl rmi margu.com/library/nginx:latest
Untagged: margu.com/library/nginx:latestsha256:0d17b565c37bcbd895e9d92315a05c1c3c9a29f762b011a10c54a66cd53c9b31
Deleted: sha256:2edcec3590a4ec7f40cf0743c15d78fb39d8326bc029073b41ef9727da6c851f
Deleted: sha256:e379e8aedd4d72bb4c529a4ca07a4e4d230b5a1d3f7a61bc80179e8f02421ad8
Deleted: sha256:b8d6e692a25e11b0d32c5c3dd544b71b1085ddc1fddad08e68cbd7fda7f70221
Deleted: sha256:f1db227348d0a5e0b99b15a096d930d1a69db7474a1847acbc31f05e4ef8df8c
Deleted: sha256:32ce5f6a5106cc637d09a98289782edf47c32cb082dc475dd47cbf19a4f866da
Deleted: sha256:d874fd2bc83bb3322b566df739681fbd2248c58d3369cb25908d68e7ed6040a6
[rootkube-master tmp]# nerdctl images
REPOSITORY TAG IMAGE ID CREATED PLATFORM SIZE BLOB SIZE
mynginx v1 786482a9a8cf About an hour ago linux/amd64 149.1 MiB 54.1 MiB
ustc-edu-cn.mirror.aliyuncs.com/library/nginx latest 0d17b565c37b About an hour ago linux/amd64 149.1 MiB 54.1 MiB导出镜像
#导出不压缩
[rootkube-master tmp]# nerdctl save mynginx:v1 -o mynginx-1.tar
#导出且压缩
[rootkube-master tmp]# nerdctl save mynginx:v1|gzip mynginx-2.tar#比较两者大小镜像太小大小差别不明显。越大的镜像越压缩后越明显
[rootkube-master tmp]# ll -h mynginx-*
-rw-r--r-- 1 root root 55M Jun 24 11:21 mynginx-1.tar
-rw-r--r-- 1 root root 54M Jun 24 11:22 mynginx-2.tar导入镜像
[rootkube-master tmp]# nerdctl load mynginx-1.tar
unpacking docker.io/library/mynginx:v1 (sha256:786482a9a8cfc283cf2aa577c6428968660afc2a8fd334d37d9a4b06b80f0888)...
Loaded image: mynginx:v1
#或
[rootkube-master tmp]# nerdctl load -i mynginx-1.tar 通过上面的展示基本和docker无差别其他镜像管理的功能不再赘述。
网络
在安装 nerdctl-full-1.7.6-linux-amd64.tar.gz 时网络插件也安装了。主要文件在/etc/cni 目录。
[rootkube-master ~]# ll /etc/cni/*
total 8
-rw-r--r--. 1 root root 292 Apr 23 2020 10-flannel.conflist
-rw-r--r-- 1 root root 860 Jun 20 14:32 nerdctl-bridge.conflist查看网络
[rootkube-master ~]# nerdctl network ls
NETWORK ID NAME FILEcbr0 /etc/cni/net.d/10-flannel.conflist
17f29b073143 bridge /etc/cni/net.d/nerdctl-bridge.conflisthost none 创建桥接网络
[rootkube-master ~]# nerdctl network create -d bridge --subnet 10.244.0.0/16 mynet
11c844f95e2862126712e209cd3acbc68c137931c639633da9dfc17b3a464bde
[rootkube-master ~]# nerdctl network ls
NETWORK ID NAME FILEcbr0 /etc/cni/net.d/10-flannel.conflist
17f29b073143 bridge /etc/cni/net.d/nerdctl-bridge.conflist
11c844f95e28 mynet /etc/cni/net.d/nerdctl-mynet.conflisthost none #查看创建的网络的配置文件
[rootkube-master ~]# cat /etc/cni/net.d/nerdctl-mynet.conflist
{cniVersion: 1.0.0,name: mynet,nerdctlID: 11c844f95e2862126712e209cd3acbc68c137931c639633da9dfc17b3a464bde,nerdctlLabels: {},plugins: [{type: bridge,bridge: br-11c844f95e28,isGateway: true,ipMasq: true,hairpinMode: true,ipam: {ranges: [[{gateway: 10.244.0.1,subnet: 10.244.0.0/16}]],routes: [{dst: 0.0.0.0/0}],type: host-local}},{type: portmap,capabilities: {portMappings: true}},{type: firewall,ingressPolicy: same-bridge},{type: tuning}nerdctl 所使用的网络及模式和 docker 完全一致可以参考博客docker相关章节。
容器管理
nerdctl 和 dockerc-cli 类似nerdctl 出现的原因之一就是为了 兼容 docker-cli所以用法一致这里只列举几个其他使用请直接参考 docker-cli
启动容器
[rootkube-master ~]# nerdctl run --name ngx -d -p 80:80 ustc-edu-cn.mirror.aliyuncs.com/library/nginx
b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5#启动容器并指定特定网络(使用宿主机网络直接启动容器)
[rootkube-master ~]# nerdctl run --name ngx1 --net host -d ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest
20e071e36a5e8dab24be68baa6c40d74adda1a9c6f75bdc03210135d57b8ff0e查看容器
[rootkube-master ~]# nerdctl ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
20e071e36a5e ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest /docker-entrypoint.… 14 seconds ago Up ngx1
b42999d7549b ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest /docker-entrypoint.… 2 minutes ago Up 0.0.0.0:80-80/tcp ngx#查看所有容器
[rootkube-master ~]# nerdctl ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
0c671d5ac3f1 docker.io/library/nginx:alpine /docker-entrypoint.… About a minute ago Up 0.0.0.0:80-80/tcp ngx
5ff17a6ba473 docker.io/library/nginx:alpine /docker-entrypoint.… 19 seconds ago Exited (137) 14 seconds ago 0.0.0.0:80-80/tcp ngx-1#查看容器详细信息
[rootkube-master ~]# nerdctl inspect ngx
[{Id: b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5,Created: 2024-06-24T03:38:51.736767639Z,Path: /docker-entrypoint.sh,Args: [nginx,-g,daemon off;],State: {Status: running,Running: true,Paused: false,Restarting: false,Pid: 31207,ExitCode: 0,Error: ,FinishedAt: 0001-01-01T00:00:00Z},Image: ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest,ResolvConfPath: /var/lib/nerdctl/1935db59/containers/default/b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5/resolv.conf,HostnamePath: /var/lib/nerdctl/1935db59/containers/default/b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5/hostname,LogPath: /var/lib/nerdctl/1935db59/containers/default/b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5/b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5-json.log,Name: ngx,RestartCount: 0,Driver: overlayfs,Platform: linux,AppArmorProfile: ,Mounts: null,Config: {Hostname: b42999d7549b,AttachStdin: false,Labels: {io.containerd.image.config.stop-signal: SIGQUIT,nerdctl/extraHosts: null,nerdctl/hostname: b42999d7549b,nerdctl/log-uri: binary:///usr/local/bin/nerdctl?_NERDCTL_INTERNAL_LOGGING%2Fvar%2Flib%2Fnerdctl%2F1935db59,nerdctl/name: ngx,nerdctl/namespace: default,nerdctl/networks: [\bridge\],nerdctl/platform: linux/amd64,nerdctl/ports: [{\HostPort\:80,\ContainerPort\:80,\Protocol\:\tcp\,\HostIP\:\0.0.0.0\}],nerdctl/state-dir: /var/lib/nerdctl/1935db59/containers/default/b42999d7549bff53767152a364d14438360b7a2751b8b89be9872c199ed121c5}},NetworkSettings: {Ports: {80/tcp: [{HostIp: 0.0.0.0,HostPort: 80}]},GlobalIPv6Address: ,GlobalIPv6PrefixLen: 0,IPAddress: 10.4.0.5,IPPrefixLen: 24,MacAddress: b2:0f:dc:0d:9d:8a,Networks: {unknown-eth0: {IPAddress: 10.4.0.5,IPPrefixLen: 24,GlobalIPv6Address: ,GlobalIPv6PrefixLen: 0,MacAddress: b2:0f:dc:0d:9d:8a}}}}
]删除容器
1.stop 容器 2.删除 容器 或者 强制删除容器
[rootkube-master ~]# nerdctl stop ngx
ngx
[rootkube-master ~]# nerdctl rm ngx
ngx
[rootkube-master ~]# nerdctl rm ngx1
FATA[0000] 1 errors:
container 20e071e36a5e8dab24be68baa6c40d74adda1a9c6f75bdc03210135d57b8ff0e is in running status. unpause/stop container first or force removal
[rootkube-master ~]# nerdctl rm ngx1 -f
ngx1运行docker-compose
nerdctl 直接兼容了 docker-compose 。 docker-compose 配置清单文件
[rootkube-master ~]# cat docker-compose.yml EOF
version: 3.7
services:ngx:container_name: ngximage: ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latestrestart: alwaysnetworks:- test_netports:- 80:80networks:test_net:name: test_netdriver: bridgeipam:config:- subnet: 172.100.0.0/16
EOF通过docker-compose 启动
[rootkube-master ~]# nerdctl compose up -d
INFO[0000] Creating network test_net
INFO[0000] Creating network root_default
INFO[0000] Ensuring image ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest
INFO[0000] Creating container ngx 查看启动
[rootkube-master ~]# nerdctl compose ps
NAME IMAGE COMMAND SERVICE STATUS PORTS
ngx ustc-edu-cn.mirror.aliyuncs.com/library/nginx:latest /docker-entrypoint.… ngx running 0.0.0.0:80-80/tcp停止并删除
[rootkube-master ~]# nerdctl compose down
INFO[0000] Removing container ngx
INFO[0000] Removing network root_default
INFO[0000] Removing network test_net
[rootkube-master ~]# nerdctl compose ps
NAME IMAGE COMMAND SERVICE STATUS PORTS更多关于containerd的知识分享请前往博客主页。编写过程中难免出现差错敬请指出 文章转载自： http://www.morning.fyskq.cn.gov.cn.fyskq.cn http://www.morning.dxhdn.cn.gov.cn.dxhdn.cn http://www.morning.jtdrz.cn.gov.cn.jtdrz.cn http://www.morning.yrccw.cn.gov.cn.yrccw.cn http://www.morning.lfxcj.cn.gov.cn.lfxcj.cn http://www.morning.csnmd.cn.gov.cn.csnmd.cn http://www.morning.mwzt.cn.gov.cn.mwzt.cn http://www.morning.yxzfl.cn.gov.cn.yxzfl.cn http://www.morning.jfgmx.cn.gov.cn.jfgmx.cn http://www.morning.xqltq.cn.gov.cn.xqltq.cn http://www.morning.hous-e.com.gov.cn.hous-e.com http://www.morning.csgwd.cn.gov.cn.csgwd.cn http://www.morning.rpstb.cn.gov.cn.rpstb.cn http://www.morning.snccl.cn.gov.cn.snccl.cn http://www.morning.tbzcl.cn.gov.cn.tbzcl.cn http://www.morning.htbbp.cn.gov.cn.htbbp.cn http://www.morning.lpyjq.cn.gov.cn.lpyjq.cn http://www.morning.ylrxd.cn.gov.cn.ylrxd.cn http://www.morning.spsqr.cn.gov.cn.spsqr.cn http://www.morning.lctrz.cn.gov.cn.lctrz.cn http://www.morning.bpcf.cn.gov.cn.bpcf.cn http://www.morning.mqgqf.cn.gov.cn.mqgqf.cn http://www.morning.kpyyf.cn.gov.cn.kpyyf.cn http://www.morning.cgstn.cn.gov.cn.cgstn.cn http://www.morning.zgqysw.cn.gov.cn.zgqysw.cn http://www.morning.qnzpg.cn.gov.cn.qnzpg.cn http://www.morning.gychx.cn.gov.cn.gychx.cn http://www.morning.mjdbd.cn.gov.cn.mjdbd.cn http://www.morning.dcmnl.cn.gov.cn.dcmnl.cn http://www.morning.mbzlg.cn.gov.cn.mbzlg.cn http://www.morning.rhkq.cn.gov.cn.rhkq.cn http://www.morning.xwqxz.cn.gov.cn.xwqxz.cn http://www.morning.kkrnm.cn.gov.cn.kkrnm.cn http://www.morning.fmrd.cn.gov.cn.fmrd.cn http://www.morning.ccpnz.cn.gov.cn.ccpnz.cn http://www.morning.cqyhdy.cn.gov.cn.cqyhdy.cn http://www.morning.gkdhf.cn.gov.cn.gkdhf.cn http://www.morning.wlxfj.cn.gov.cn.wlxfj.cn http://www.morning.yqqxj26.cn.gov.cn.yqqxj26.cn http://www.morning.qzzmc.cn.gov.cn.qzzmc.cn http://www.morning.rnpnn.cn.gov.cn.rnpnn.cn http://www.morning.zlfxp.cn.gov.cn.zlfxp.cn http://www.morning.qhydkj.com.gov.cn.qhydkj.com http://www.morning.kpbq.cn.gov.cn.kpbq.cn http://www.morning.wbxtx.cn.gov.cn.wbxtx.cn http://www.morning.rnxw.cn.gov.cn.rnxw.cn http://www.morning.3ox8hs.cn.gov.cn.3ox8hs.cn http://www.morning.ksjnl.cn.gov.cn.ksjnl.cn http://www.morning.jrhcp.cn.gov.cn.jrhcp.cn http://www.morning.fdlyh.cn.gov.cn.fdlyh.cn http://www.morning.qmbtn.cn.gov.cn.qmbtn.cn http://www.morning.mmzfl.cn.gov.cn.mmzfl.cn http://www.morning.hdscx.cn.gov.cn.hdscx.cn http://www.morning.dskzr.cn.gov.cn.dskzr.cn http://www.morning.spqbp.cn.gov.cn.spqbp.cn http://www.morning.ykqbs.cn.gov.cn.ykqbs.cn http://www.morning.cfhwn.cn.gov.cn.cfhwn.cn http://www.morning.nhbhc.cn.gov.cn.nhbhc.cn http://www.morning.yrhd.cn.gov.cn.yrhd.cn http://www.morning.nqyfm.cn.gov.cn.nqyfm.cn http://www.morning.mslsn.cn.gov.cn.mslsn.cn http://www.morning.hmlpn.cn.gov.cn.hmlpn.cn http://www.morning.ppqzb.cn.gov.cn.ppqzb.cn http://www.morning.lpppg.cn.gov.cn.lpppg.cn http://www.morning.cttti.com.gov.cn.cttti.com http://www.morning.lznqb.cn.gov.cn.lznqb.cn http://www.morning.gwjqq.cn.gov.cn.gwjqq.cn http://www.morning.pjrql.cn.gov.cn.pjrql.cn http://www.morning.mqgqf.cn.gov.cn.mqgqf.cn http://www.morning.kyflr.cn.gov.cn.kyflr.cn http://www.morning.mzhh.cn.gov.cn.mzhh.cn http://www.morning.rmjxp.cn.gov.cn.rmjxp.cn http://www.morning.ymwcs.cn.gov.cn.ymwcs.cn http://www.morning.mpflb.cn.gov.cn.mpflb.cn http://www.morning.rkck.cn.gov.cn.rkck.cn http://www.morning.dhyqg.cn.gov.cn.dhyqg.cn http://www.morning.syhwc.cn.gov.cn.syhwc.cn http://www.morning.rshs.cn.gov.cn.rshs.cn http://www.morning.gfqj.cn.gov.cn.gfqj.cn http://www.morning.ghxkm.cn.gov.cn.ghxkm.cn
