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Jacklull
k3s
Commits
7a867859
Commit
7a867859
authored
Sep 21, 2018
by
Darren Shepherd
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README.md
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7a867859
# Kubernetes
[
![GoDoc Widget
]
]
[
GoDoc
]
[
![CII Best Practices
]
(https://bestpractices.coreinfrastructure.org/projects/569/badge)](https://bestpractices.coreinfrastructure.org/projects/569)
<img
src=
"https://github.com/kubernetes/kubernetes/raw/master/logo/logo.png"
width=
"100"
>
----
Kubernetes is an open source system for managing
[
containerized applications
]
across multiple hosts; providing basic mechanisms for deployment, maintenance,
and scaling of applications.
Kubernetes builds upon a decade and a half of experience at Google running
production workloads at scale using a system called
[
Borg
]
,
combined with best-of-breed ideas and practices from the community.
Kubernetes is hosted by the Cloud Native Computing Foundation (
[
CNCF
]
).
If you are a company that wants to help shape the evolution of
technologies that are container-packaged, dynamically-scheduled
and microservices-oriented, consider joining the CNCF.
For details about who's involved and how Kubernetes plays a role,
read the CNCF
[
announcement
]
.
----
## To start using Kubernetes
See our documentation on
[
kubernetes.io
]
.
Try our
[
interactive tutorial
]
.
Take a free course on
[
Scalable Microservices with Kubernetes
]
.
## To start developing Kubernetes
Kubernetes without the features I don't care about.
Some of the removed features
*
OpenAPI/Swagger
*
cloud-controller-manager
*
kube aggregation
*
APIs (NOTE: most of these are old APIs that have been replaced)
*
admissionregistration/v1alpha1
*
authentication/v1beta1
*
authorization/v1beta1
*
certificates/v1beta1
*
events/v1beta1
*
imagepolicy/v1alpha1
*
rbac/v1alpha1
*
rbac/v1beta1
*
settings/v1alpha1
*
storage/v1alpha1
*
Authentication
*
bootstrap token
*
oidc
*
webhook
*
Authorization
*
ABAC
*
Cloud Providers (all of them)
*
Controllers
*
Bootstrap
*
Certificates
*
Cloud
*
Cluster Role Aggregation
*
Cloud based node IPAM
*
Replication
*
Route
*
Credential Providers AWS/GCP/Azure/Rancher
*
Kubelet
*
Device Plugin
*
Certificates
*
Checkpoint
*
Device Manager
*
Custom Metrics
*
Dockershim
*
GPU
*
Mount Pod
*
Network
*
Hairpin
*
Kubenet
*
rkt
*
Volume Drivers
*
aws_ebs
*
azure_dd
*
azure_file
*
cephfs
*
cinder
*
fc
*
flocker
*
gce_pd
*
glusterfs
*
iscsi
*
photon_pd
*
portworx
*
quobyte
*
rbd
*
scaleio
*
storageos
*
vsphere_volume
*
Admission Controllers
*
admin
*
alwayspullimages
*
antiaffinity
*
defaulttolerationseconds
*
deny
*
eventratelimit
*
exec
*
extendedresourcetoleration
*
gc
*
imagepolicy
*
initialreosurces
*
limitranger
*
namespace
*
noderestriction
*
persistentvolume
*
podnodeselector
*
podpreset
*
podtolerationrestriction
*
priority
*
resourcequota
*
security
*
securitycontext
*
storageobjectinuseprotection
*
etcd (yeah, i'm using sqlite3)
Build
-----
# First have sane GOPATH, hopefully you know how to do that
go build -o k3s
go build -o kubectl ./cmd/kubectl
Run
---
Run containerd
```
bash
# Download and install containerd and runc
sudo
curl
-fL
-o
/usr/local/bin/runc https://github.com/opencontainers/runc/releases/download/v1.0.0-rc5/runc.amd64
sudo chmod
+x /usr/local/bin/runc
curl
-fsL
https://github.com/containerd/containerd/releases/download/v1.1.1/containerd-1.1.1.linux-amd64.tar.gz |
sudo tar
xvf /usr/src/containerd.tgz
-C
/usr/local/bin bin/
--strip-components
=
1
# Some CNI
sudo mkdir
-p
/opt/cni/bin
curl
-fsL
https://github.com/containernetworking/plugins/releases/download/v0.7.1/cni-plugins-amd64-v0.7.1.tgz |
sudo tar
xvzf -
-C
/opt/cni/bin ./loopback
sudo
containerd &
```
The
[
community repository
]
hosts all information about
building Kubernetes from source, how to contribute code
and documentation, who to contact about what, etc.
Run Kubernetes
If you want to build Kubernetes right away there are two options:
```
bash
# Server
./k3s
##### You have a working [Go environment].
# Agent (If doing this on another host copy the ./data folder)
sudo
./k3s agent
```
$ go get -d k8s.io/kubernetes
$ cd $GOPATH/src/k8s.io/kubernetes
$ make
# Install Networking
export
KUBECONFIG
=
./data/cred/kubeconfig.yaml
curl
-s
"https://cloud.weave.works/k8s/net?k8s-version=
$(
./kubectl version |
base64
|
tr
-d
'\n'
)
"
|
sed
's!rbac.authorization.k8s.io/v1beta1!rbac.authorization.k8s.io/v1!g'
| ./kubectl apply
-f
-
```
##### You have a working [Docker environment].
```
$ git clone https://github.com/kubernetes/kubernetes
$ cd kubernetes
$ make quick-release
```
Your kubeconfig file is in
`./data/cred/kubeconfig.yaml`
For the full story, head over to the
[
developer's documentation
]
.
## Support
If you need support, start with the
[
troubleshooting guide
]
,
and work your way through the process that we've outlined.
That said, if you have questions, reach out to us
[
one way or another
][
communication
]
.
[
announcement
]:
https://cncf.io/news/announcement/2015/07/new-cloud-native-computing-foundation-drive-alignment-among-container
[
Borg
]:
https://research.google.com/pubs/pub43438.html
[
CNCF
]:
https://www.cncf.io/about
[
communication
]:
https://git.k8s.io/community/communication
[
community repository
]:
https://git.k8s.io/community
[
containerized applications
]:
https://kubernetes.io/docs/concepts/overview/what-is-kubernetes/
[
developer's documentation
]:
https://git.k8s.io/community/contributors/devel#readme
[
Docker environment
]:
https://docs.docker.com/engine
[
Go environment
]:
https://golang.org/doc/install
[
GoDoc
]:
https://godoc.org/k8s.io/kubernetes
[
GoDoc Widget
]:
https://godoc.org/k8s.io/kubernetes?status.svg
[
interactive tutorial
]:
https://kubernetes.io/docs/tutorials/kubernetes-basics
[
kubernetes.io
]:
https://kubernetes.io
[
Scalable Microservices with Kubernetes
]:
https://www.udacity.com/course/scalable-microservices-with-kubernetes--ud615
[
troubleshooting guide
]:
https://kubernetes.io/docs/tasks/debug-application-cluster/troubleshooting/
[

]()
Enjoy.
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