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README
MulanPSL-2.0

In the constantly evolving cloud native world, containerization and virtualization technologies have become key components of modern application delivery and management. To meet this growing demand, we have launched two new versions based on NestOS-22.03-LTS-SP2, NestOS For Container and NestOS For Virt, focusing on providing the best container hosting and virtualization solutions. NestOS-22.03-LTS-SP4-20240628 version has been released. Welcome all developers to visit the official NestOS website to download and experience it.

1. NestOS For Container

NestOS for Container (NFC) integrates rpm-ostree support, ignition configuration, and other technologies. It adopts a dual-root file system and the design of atomic updates, and uses nestos-assembler to quickly integrate and build. It is also adapted to platforms such as K8S and openStack to optimize the noise floor of container operation, so that the system has the ability to build clusters very conveniently, and can run large-scale containerized workloads more securely.

image-20211015170943884

1.1 NFC-qucik start

Deploying on Virtualization Platforms - VMware

1.2 NFC-application guide

①. Rpm-ostree usage ②. Zincati automatic update ③. NestOS customization ④. Example of ignition configuration ⑤. Container image update usage ⑥. Detailed explanation of more functional features

2. NestOS For Virt

NestOS For Virt (NFV) is a customized version designed for virtualization scenarios, pre-installed with virtualization key components. The goal is that users can easily create and manage virtual machines that provide superior virtualization performance whether working in development, test, or production environments, while running a variety of workloads on high-performance virtual machines for resource isolation and security.

Whether you're running cloud-native applications, virtualized environments, or both, NFC and NFV are the perfect choice. They provide stability, performance, and security to meet the requirements of modern data centers and cloud environments.

3. NestOS features

3.1 Nestos Kubernetes Deployer

The Nestos Kubernetes Deployer (NKD) is container cloud deployment and O&M tool dedicated to NFC. NKD is a solution for deploying Kubernetes clusters based on NestOS and consistent O&M with container cloud services and cloud base OS. The goal is to simplify the process of deploying and upgrading clusters by providing services such as deployment, updates, and configuration management of cluster infrastructure, including operating systems and Kubernetes infrastructure components, outside the cluster.

3.2 PilotGo

PilotGo is a plug-in O&M management platform incubated by Kylinsoft in the openEuler community. Based on the features and best practices of the NestOS platform, PilotGo brings customized O&M management functions and new architecture-aware plug-in features to the NestOS platform.

3.3 x2NestOS

x2nestos is a quick and easy deployment tool that converts a general operating system to an NFC version. The NFV version is integrated by default, and can also be used with other general Linux operating systems managed by yum or apt mainstream package managers. Based on the kexec dynamic kernel loading feature, the tool can skip the boot stage to complete the deployment of the operating system, effectively reducing the difficulty and cost of converting existing clusters to NFC.

3.4 Customize images

NFC, as a container cloud base operating system based on the idea of immutable infrastructure, distributes and updates the file system as a whole.This solution has brought huge improvements in operation and security. However, in the actual production environment, the officially released version is often difficult to meet the needs of users, so more convenient customization means are required. NFC integrates the feature of ostree native container , which allows users in container cloud scenarios to easily build custom images by writing a ContainerFile (Dockerfile) file using the familiar technology stack, which can be used for custom integration components or subsequent upgrade and maintenance.

3.5 Rubik: mix online and offline business

Rubik is a container hybrid engine that adapts to single-node computing power tuning and quality of service assurance. NFC has pre-enabled the kernel features of rubik( related to mix online and offline business), and supports the overall solution based on the rubik container hybrid engine. This solution greatly improves the resource utilization of container cloud scenarios while ensuring the quality of service of key services by reasonably scheduling and isolating resources.

3.6 Kernel feature enhancements

We maintain nestos-kernel independently and develop it based on the openEuler-22.03-sp2 kernel version. In this process, we focus on improving the kernel features such as mm, CPU, cgroup, etc., to create features that are different from openEuler kernel and have better optimized performance.

For more details, please visit the official NestOS website

4. Container performance testing

Use NestOS For Container-22.03-LTS-SP2.20230928 to compare the performance of docker, podman, and iSulad container engines. The test results are as follows, showing that the performance of containers running in NFC is much better than that of traditional CentOS.

operator(ms) NestOS(Podman) CentOS(Podman) NestOS(iSulad) CentOS(iSulad) NestOS(Docker) CentOS(Docker)
100*creat 3436 6761 858 882 1375 2919
100*start 5496 10130 1885 2123 7397 18400
100*stop 2516 2532 457 497 1052 465
100*rm 2971 3141 501 566 1116 6838

5. Main Contributor

Gitee ID company email
@duyiwei7w KylinSoft duyiwei@kylinos.cn
@ccdxx KylinSoft chendexi@kylinos.cn
@shanph KylinSoft lishanfeng@kylinos.cn
@wangyueliang KylinSoft wangyueliang@kylinos.cn
@jianli-97 KylinSoft lijian2@kylinos.cn
@duguhaotian Huawei liuhao27@huawei.com

6. Honor Contributor

Thank you to the following original contributors for their contributions to the NestOS project and openEuler community:

Gitee ID company email
@fu-shanqing KylinSoft fushanqing@kylinos.cn
@ningjinnj KylinSoft ningjin@kylinos.cn

Anyone who is interested in contributing to the project is welcome to participate.

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You can use this software according to the terms and conditions of the Mulan PSL v2. You may obtain a copy of Mulan PSL v2 at: http://license.coscl.org.cn/MulanPSL2 THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. See the Mulan PSL v2 for more details. Mulan Permissive Software License,Version 2 Mulan Permissive Software License,Version 2 (Mulan PSL v2) January 2020 http://license.coscl.org.cn/MulanPSL2 Your reproduction, use, modification and distribution of the Software shall be subject to Mulan PSL v2 (this License) with the following terms and conditions: 0. Definition Software means the program and related documents which are licensed under this License and comprise all Contribution(s). Contribution means the copyrightable work licensed by a particular Contributor under this License. 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NestOS is an automatically updated minimal operating system developed based on openEuler expand collapse
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