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知乎专栏多维度架构

第 5 章 microk8s

目录

5.1. 安装 microk8s
5.1.1. 安装指定版本
5.2. 组件管理
5.2.1. dns
5.2.2. dashboard
5.3. kubectl
5.4. Kubernetes Addons
5.4.1.

https://microk8s.io

更多配置参考官网 https://github.com/ubuntu/microk8s

5.1. 安装 microk8s

latest/stable 安装最新版本

		
root@kubernetes:~# snap install microk8s --classic --channel=latest/stable
microk8s v1.21.3 from Canonical✓ installed	
		
		

查看安装情况

		
root@kubernetes:~# snap list
Name      Version   Rev    Tracking       Publisher   Notes
core18    20210722  2128   latest/stable  canonical✓  base
lxd       4.0.7     21029  4.0/stable/…   canonical✓  -
microk8s  v1.21.3   2346   latest/stable  canonical✓  classic
snapd     2.51.4    12883  latest/stable  canonical✓  snapd		
		
		

		
root@kubernetes:~# microk8s start
Started.		
		
		

启用或禁用 microk8s

		
snap disable microk8s   # 禁用
snap enable microk8s    # 启用
		
		

卸载

		
microk8s.reset
snap remove microk8s
		
		

安装 VirtualBox

		
neo@ubuntu:~$ sudo apt install -y virtualbox			
		
		

5.1.1. 安装指定版本

		
root@kubernetes:~# snap info microk8s
name:      microk8s
summary:   Lightweight Kubernetes for workstations and appliances
publisher: Canonical✓
store-url: https://snapcraft.io/microk8s
contact:   https://github.com/ubuntu/microk8s
license:   unset
description: |
  MicroK8s is the smallest, simplest, pure production Kubernetes for clusters, laptops, IoT and
  Edge, on Intel and ARM. One command installs a single-node K8s cluster with carefully selected
  add-ons on Linux, Windows and macOS.  MicroK8s requires no configuration, supports automatic
  updates and GPU acceleration. Use it for offline development, prototyping, testing, to build your
  CI/CD pipeline or your IoT apps.
commands:
  - microk8s.add-node
  - microk8s.cilium
  - microk8s.config
  - microk8s.ctr
  - microk8s.dashboard-proxy
  - microk8s.dbctl
  - microk8s.disable
  - microk8s.enable
  - microk8s.helm
  - microk8s.helm3
  - microk8s.inspect
  - microk8s.istioctl
  - microk8s.join
  - microk8s.juju
  - microk8s.kubectl
  - microk8s.leave
  - microk8s.linkerd
  - microk8s
  - microk8s.refresh-certs
  - microk8s.remove-node
  - microk8s.reset
  - microk8s.start
  - microk8s.status
  - microk8s.stop
services:
  microk8s.daemon-apiserver:            simple, enabled, inactive
  microk8s.daemon-apiserver-kicker:     simple, enabled, active
  microk8s.daemon-cluster-agent:        simple, enabled, active
  microk8s.daemon-containerd:           simple, enabled, active
  microk8s.daemon-control-plane-kicker: simple, enabled, inactive
  microk8s.daemon-controller-manager:   simple, enabled, inactive
  microk8s.daemon-etcd:                 simple, enabled, inactive
  microk8s.daemon-flanneld:             simple, enabled, inactive
  microk8s.daemon-kubelet:              simple, enabled, inactive
  microk8s.daemon-kubelite:             simple, enabled, active
  microk8s.daemon-proxy:                simple, enabled, inactive
  microk8s.daemon-scheduler:            simple, enabled, inactive
snap-id:      EaXqgt1lyCaxKaQCU349mlodBkDCXRcg
tracking:     latest/stable
refresh-date: today at 07:54 UTC
channels:
  1.21/stable:      v1.21.3  2021-07-27 (2346) 191MB classic
  1.21/candidate:   v1.21.4  2021-08-20 (2407) 191MB classic
  1.21/beta:        v1.21.4  2021-08-20 (2407) 191MB classic
  1.21/edge:        v1.21.4  2021-08-23 (2427) 191MB classic
  latest/stable:    v1.21.3  2021-07-28 (2346) 191MB classic
  latest/candidate: v1.22.1  2021-08-20 (2424) 195MB classic
  latest/beta:      v1.22.1  2021-08-20 (2424) 195MB classic
  latest/edge:      v1.22.1  2021-08-27 (2451) 195MB classic
  dqlite/stable:    –                                
  dqlite/candidate: –                                
  dqlite/beta:      –                                
  dqlite/edge:      v1.16.2  2019-11-07 (1038) 189MB classic
  1.22/stable:      v1.22.0  2021-08-13 (2399) 195MB classic
  1.22/candidate:   v1.22.1  2021-08-27 (2450) 195MB classic
  1.22/beta:        v1.22.1  2021-08-27 (2450) 195MB classic
  1.22/edge:        v1.22.1  2021-08-27 (2450) 195MB classic
  1.20/stable:      v1.20.9  2021-08-01 (2361) 221MB classic
  1.20/candidate:   v1.20.10 2021-08-19 (2409) 221MB classic
  1.20/beta:        v1.20.10 2021-08-19 (2409) 221MB classic
  1.20/edge:        v1.20.10 2021-08-12 (2409) 221MB classic
  1.19/stable:      v1.19.13 2021-07-26 (2339) 216MB classic
  1.19/candidate:   v1.19.14 2021-08-19 (2408) 216MB classic
  1.19/beta:        v1.19.14 2021-08-19 (2408) 216MB classic
  1.19/edge:        v1.19.14 2021-08-12 (2408) 216MB classic
  1.18/stable:      v1.18.20 2021-07-12 (2271) 198MB classic
  1.18/candidate:   v1.18.20 2021-07-12 (2271) 198MB classic
  1.18/beta:        v1.18.20 2021-07-12 (2271) 198MB classic
  1.18/edge:        v1.18.20 2021-06-16 (2271) 198MB classic
  1.17/stable:      v1.17.17 2021-01-15 (1916) 177MB classic
  1.17/candidate:   v1.17.17 2021-01-14 (1916) 177MB classic
  1.17/beta:        v1.17.17 2021-01-14 (1916) 177MB classic
  1.17/edge:        v1.17.17 2021-01-13 (1916) 177MB classic
  1.16/stable:      v1.16.15 2020-09-12 (1671) 179MB classic
  1.16/candidate:   v1.16.15 2020-09-04 (1671) 179MB classic
  1.16/beta:        v1.16.15 2020-09-04 (1671) 179MB classic
  1.16/edge:        v1.16.15 2020-09-02 (1671) 179MB classic
  1.15/stable:      v1.15.11 2020-03-27 (1301) 171MB classic
  1.15/candidate:   v1.15.11 2020-03-27 (1301) 171MB classic
  1.15/beta:        v1.15.11 2020-03-27 (1301) 171MB classic
  1.15/edge:        v1.15.11 2020-03-26 (1301) 171MB classic
  1.14/stable:      v1.14.10 2020-01-06 (1120) 217MB classic
  1.14/candidate:   ↑                                
  1.14/beta:        ↑                                
  1.14/edge:        v1.14.10 2020-03-26 (1303) 217MB classic
  1.13/stable:      v1.13.6  2019-06-06  (581) 237MB classic
  1.13/candidate:   ↑                                
  1.13/beta:        ↑                                
  1.13/edge:        ↑                                
  1.12/stable:      v1.12.9  2019-06-06  (612) 259MB classic
  1.12/candidate:   ↑                                
  1.12/beta:        ↑                                
  1.12/edge:        ↑                                
  1.11/stable:      v1.11.10 2019-05-10  (557) 258MB classic
  1.11/candidate:   ↑                                
  1.11/beta:        ↑                                
  1.11/edge:        ↑                                
  1.10/stable:      v1.10.13 2019-04-22  (546) 222MB classic
  1.10/candidate:   ↑                                
  1.10/beta:        ↑                                
  1.10/edge:        ↑                                
installed:          v1.21.3             (2346) 191MB classic


		
			
		
snap install microk8s --channel=1.14/beta --classic