开源软件名称:k3s
开源软件地址:https://gitee.com/baetyl/k3s
开源软件介绍:
k3s - 5 less than k8sLightweight Kubernetes. Easy to install, half the memory, all in a binary less than 40mb. Great for: - Edge
- IoT
- CI
- ARM
- Situations where a PhD in k8s clusterology is infeasible
What is this?k3s is intended to be a fully compliant Kubernetes distribution with the following changes: - Removed most in-tree plugins (cloud providers and storage plugins) which can be replacedwith out of tree addons.
- Add sqlite3 as the default storage mechanism. etcd3 is still available, but not the default.
- Wrapped in simple launcher that handles a lot of the complexity of TLS and options.
- Minimal to no OS dependencies (just a sane kernel and cgroup mounts needed). k3s packages requireddependencies
- containerd
- Flannel
- CoreDNS
- CNI
- Host utilities (iptables, socat, etc)
DocumentationPlease see the official docs site for complete documentation on k3s. Quick-Start - Install ScriptThe k3s install.sh script provides a convenient way for installing to systemd or openrc,to install k3s as a service just run: curl -sfL https://get.k3s.io | sh - A kubeconfig file is written to /etc/rancher/k3s/k3s.yaml and the service is automatically started or restarted.The install script will install k3s and additional utilities, such as kubectl , crictl , k3s-killall.sh , and k3s-uninstall.sh , for example: K3S_TOKEN is created at /var/lib/rancher/k3s/server/node-token on your server.To install on worker nodes we should pass K3S_URL along withK3S_TOKEN or K3S_CLUSTER_SECRET environment variables, for example:
curl -sfL https://get.k3s.io | K3S_URL=https://myserver:6443 K3S_TOKEN=XXX sh - Manual Download- Download
k3s from latest release, x86_64, armhf, and arm64 are supported. - Run server.
sudo k3s server &# Kubeconfig is written to /etc/rancher/k3s/k3s.yamlsudo k3s kubectl get nodes# On a different node run the below. NODE_TOKEN comes from# /var/lib/rancher/k3s/server/node-token on your serversudo k3s agent --server https://myserver:6443 --token ${NODE_TOKEN} |
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