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https://github.com/sealerio/sealer
Build, Share and Run Both Your Kubernetes Cluster and Distributed Applications (Project under CNCF)
https://github.com/sealerio/sealer
cloud-native clusterimage delivery-service distributed-systems docker golang installer isv k8s kubernetes kubernetes-deployment operations package registry
Last synced: about 7 hours ago
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Build, Share and Run Both Your Kubernetes Cluster and Distributed Applications (Project under CNCF)
- Host: GitHub
- URL: https://github.com/sealerio/sealer
- Owner: sealerio
- License: apache-2.0
- Created: 2021-04-29T03:13:48.000Z (over 3 years ago)
- Default Branch: main
- Last Pushed: 2024-05-09T10:04:25.000Z (7 months ago)
- Last Synced: 2024-11-29T16:05:59.962Z (13 days ago)
- Topics: cloud-native, clusterimage, delivery-service, distributed-systems, docker, golang, installer, isv, k8s, kubernetes, kubernetes-deployment, operations, package, registry
- Language: Go
- Homepage: http://sealer.cool
- Size: 42.3 MB
- Stars: 2,061
- Watchers: 38
- Forks: 360
- Open Issues: 230
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
- Code of conduct: code-of-conduct.md
- Roadmap: ROADMAP.md
Awesome Lists containing this project
- awesome-cs-cloudnative-blockchain - sealer - ai/k8sgpt)、[Horizon](https://github.com/horizoncd/horizon/) 以及 我自己打造的 开源社区 [Kubecub](https://github.com/kubecub)。kubecub 中有很多我沉淀下来的开源规范以及代码、项目规范都总结在各个仓库中。并且，Kubecub 和 OpenIM 使用了我创造的 [🤖 robot(kubbot)](https://github.com/kubbot) 来对 PR 和 Issue 高度自动化。kubecub 宗旨是面向所有的开发者进行学习和创造的，你可以在里面利用我们的自动化工具和模板打造自己的开源项目，并且让更多的人来帮助你协同、review 代码。 (🗃️ 项目)
- awesome-hacking-lists - sealerio/sealer - Build, Share and Run Both Your Kubernetes Cluster and Distributed Applications (Project under CNCF) (Go)
README
# Sealer -- Build, Share and Run Any Distributed Applications
[](https://github.com/sealerio/sealer/blob/master/LICENSE)
[](https://github.com/sealerio/sealer/actions/workflows/go.yml)
[](https://github.com/sealerio/sealer/actions/workflows/release.yml)
[](https://godoc.org/github.com/sealerio/sealer)
[](https://bestpractices.coreinfrastructure.org/en/projects/5205)
[](https://twitter.com/sealer_oss)
[](https://app.fossa.com/projects/git%2Bgithub.com%2Fsealerio%2Fsealer?ref=badge_shield)
[](https://codecov.io/gh/sealerio/sealer)
[](https://opensource.alibaba.com/contribution_leaderboard/details?projectValue=sealer)
## Contents
* [Introduction](#introduction)
* [Quick Start](#quick-start)
* [Contributing](./CONTRIBUTING.md)
* [FAQ](./FAQ.md)
* [Adopters](./Adopters.md)
* [LICENSE](LICENSE)
* [Code of conduct](./code-of-conduct.md)
## Introduction
Sealer[ˈsiːlər] provides a new way of distributed application delivery which is reducing the difficulty and complexity by packaging Kubernetes cluster and all application's dependencies into one ClusterImage.
We can write a Kubefile to build the ClusterImage, and use it to deliver your applications with embedded Kubernetes through Clusterfile.
> Concept
* Kubefile: a file that describes how to build a ClusterImage.
* ClusterImage: like docker image, and it contains all the dependencies(container images,yaml files or helm chart...) of your application needed.
* Clusterfile: a file that describes how to run a ClusterImage.
## Awesome features
* [x] Simplicity: Packing the distributed application into ClusterImage with few instructions.
* [x] Efficiency: Launching the k8s-based application through ClusterImage in minutes.
* [x] Scalability: Powerful cluster and image life cycle management, such as cluster scale, upgrade, image load, save and so on.
* [x] Compatibility: Multi-arch delivery Supporting. Such as AMD, ARM with common Linux distributions.
* [x] Iterative: Incremental operations on ClusterImage is like what container image behaves.
## Quick start
Download sealer binary file.
```shell script
#install Sealer binaries
wget https://github.com/sealerio/sealer/releases/download/v0.9.3/sealer-v0.9.3-linux-amd64.tar.gz && \
tar zxvf sealer-v0.9.3-linux-amd64.tar.gz && mv sealer /usr/bin
```
## Install a kubernetes cluster
```shell
# run a kubernetes cluster
sealer run docker.io/sealerio/kubernetes:v1-22-15-sealerio-2 \
--masters 192.168.0.2,192.168.0.3,192.168.0.4 \
--nodes 192.168.0.5,192.168.0.6,192.168.0.7 --passwd xxx
```
## Build an sealer image
Kubefile:
```shell
FROM docker.io/sealerio/kubernetes:v1-22-15-sealerio-2
APP mysql https://charts/mysql.tgz
APP elasticsearch https://charts/elasticsearch.tgz
APP redis local://redis.yaml
APP businessApp local://install.sh
LAUNCH ["calico", "mysql", "elasticsearch", "redis", "businessApp"]
```
or
```shell
FROM docker.io/sealerio/kubernetes:v1-22-15-sealerio-2
COPY mysql.tgz .
COPY elasticsearch.tgz .
COPY redis.yaml .
COPY install.sh .
CMDS ["sh application/apps/calico/calico.sh", "helm install mysql.tgz", "helm install elasticsearch.tgz", "kubectl apply -f redis.yaml", "bash install.sh"]
```
build command:
> NOTE: --type=kube-installer is the default value for sealer build
```shell
sealer build -f Kubefile -t my-kubernetes:1.0.0 .
```
## Build an app image
nginx.yaml:
```shell
apiVersion: apps/v1
kind: Deployment
metadata:
name: my-nginx
namespace: default
spec:
replicas: 1
selector:
matchLabels:
run: my-nginx
template:
metadata:
labels:
run: my-nginx
spec:
containers:
- name: my-nginx
image: nginx
ports:
- containerPort: 80
```
Kubefile:
```shell
FROM scratch
APP nginx local://nginx.yaml
LAUNCH ["nginx"]
```
```shell
sealer build -f Kubefile -t sealer-io/nginx:latest --type app-installer
```
## Run the app image
```shell
sealer run sealer-io/nginx:latest
# check the pod
kubectl get pod -A
```
## Push the app image to the registry
```shell
# you can push the app image to docker hub, Ali ACR, or Harbor
sealer tag sealer-io/nginx:latest {registryDomain}/sealer-io/nginx:latest
sealer push {registryDomain}/sealer-io/nginx:latest
```
## Clean the cluster
Some information of the basic settings will be written to the Clusterfile and stored in /root/.sealer/Clusterfile.
```shell
sealer delete -a
```
## User guide
Sealer provides a valid image list:
| version | image | Arch | OS | Network plugins | container runtime |
| :------: | :-----------------------------------------------------------------: | :-------------------------------------: | :-----------------------------------------------------------------------------------------------------------------: | :-------------------------------------: | :-------------------------------------: |
| v0.8.6 | registry.cn-qingdao.aliyuncs.com/sealer-io/kubernetes:v1.22.15-0.8.6| x86 | CentOS/RHEL 7.5
CentOS/RHEL 7.6
CentOS/RHEL 7.7
CentOS/RHEL 7.8
CentOS/RHEL 7.9
Ubuntu 20.04 | calico | hack docker v19.03.14 |
| v0.9.3 | docker.io/sealerio/kubernetes:v1-18-3-sealerio-2 | x86/arm64 | CentOS/RHEL 7.5
CentOS/RHEL 7.6
CentOS/RHEL 7.7
CentOS/RHEL 7.8
CentOS/RHEL 7.9
Ubuntu 20.04 | calico | hack docker v19.03.14 |
| v0.9.3 | docker.io/sealerio/kubernetes:v1-20-4-sealerio-2 | x86/arm64 | CentOS/RHEL 7.5
CentOS/RHEL 7.6
CentOS/RHEL 7.7
CentOS/RHEL 7.8
CentOS/RHEL 7.9
Ubuntu 20.04 | calico | hack docker v19.03.14 |
| v0.9.3 | docker.io/sealerio/kubernetes:v1-22-15-sealerio-2 | x86/arm64 | CentOS/RHEL 7.5
CentOS/RHEL 7.6
CentOS/RHEL 7.7
CentOS/RHEL 7.8
CentOS/RHEL 7.9
Ubuntu 20.04 | calico | hack docker v19.03.14 |
[get started](http://sealer.cool/docs/getting-started/introduction.html)
## Official website
[official website](http://sealer.cool)
## Developing Sealer
* [contributing guide](./CONTRIBUTING.md)
## Communication Channels
* CNCF Mailing List: to be added.
* Twitter: [@sealer](https://twitter.com/sealer_oss)
* DingTalk Group Number: 34619594
## Code of Conduct
sealer follows the [CNCF Code of Conduct](https://github.com/cncf/foundation/blob/master/code-of-conduct.md).
## License
Sealer is licensed under the Apache License, Version 2.0. See [LICENSE](LICENSE) for the full license text.
[](https://app.fossa.com/projects/git%2Bgithub.com%2Fsealerio%2Fsealer?ref=badge_large)