소개

Kubernates를 다룰 가능성이 나왔기 때문에, kubectl 명령 정도는 사락과 만져 두고 싶고, Minikube를 로컬 pc에 넣기로 했습니다.

Minikube 설치에 대해 살펴보면 BIOS 주위의 설정을 할 필요가 있음을 알 수 있습니다.
비쿠비크하면서, 설치하는 일이 없도록 비망록으로서 남겨 둡니다 웃음.

환경/버전 정보

Dell xps13 9380

Ubuntu19.04 (Disco Dingo)

kvm QEMU emulator version 3.1.0 (Debian 1:3.1+dfsg-2ubuntu3.5)

minikube version: v1.5.2

kubectl Client Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.2"

말하기

아래 준비 (Virtualization 사용)

kvm driver 설치

Minikube 설치

Minikube 시작

Minikube 정지/삭제

아래 준비 (Virtualization 사용)

전원 버튼을 누릅니다

Dell 로고가 나오면 화면이 바뀔 때까지 F2 키를 반복해서 누릅니다.

BIOS 설정 화면에서 아래의 Virtualization에 체크가 되어 있는지 확인

kvm driver 설치

gkz@localhost ~ $ sudo apt install cpu-checker && sudo kvm-ok
Reading package lists... Done
Building dependency tree       
Reading state information... Done
cpu-checker is already the newest version (0.7-1.1).
cpu-checker set to manually installed.
gkz@localhost ~ $ sudo kvm-ok
INFO: /dev/kvm exists
KVM acceleration can be used
gkz@localhost ~ $ sudo apt install libvirt-clients libvirt-daemon-system qemu-kvm \
>     && sudo usermod -a -G libvirt $(whoami) \
>     && newgrp libvirt
Reading package lists... Done
Building dependency tree       
Reading state information... Done
libvirt-clients is already the newest version (5.0.0-1ubuntu2.5).
libvirt-daemon-system is already the newest version (5.0.0-1ubuntu2.5).
qemu-kvm is already the newest version (1:3.1+dfsg-2ubuntu3.5).
0 upgraded, 0 newly installed, 0 to remove and 9 not upgraded.

gkz@localhost ~ $ sudo virt-host-validate
  QEMU: Checking for hardware virtualization                                 : PASS
  QEMU: Checking if device /dev/kvm exists                                   : PASS
  QEMU: Checking if device /dev/kvm is accessible                            : PASS
  QEMU: Checking if device /dev/vhost-net exists                             : PASS

(略)

gkz@localhost ~ $ kvm --version
QEMU emulator version 3.1.0 (Debian 1:3.1+dfsg-2ubuntu3.5)
Copyright (c) 2003-2018 Fabrice Bellard and the QEMU Project developers

Minikube 설치

gkz@localhost ~ $ curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 \
>    && sudo install minikube-linux-amd64 /usr/local/bin/minikube
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 46.3M  100 46.3M    0     0  5699k      0  0:00:08  0:00:08 --:--:-- 7973k

Minikube 시작

gkz@localhost ~ $ minikube start --vm-driver=kvm2
😄  minikube v1.5.2 on Ubuntu 19.04
✨  Automatically selected the 'kvm2' driver (alternates: [none])
🔥  Creating kvm2 VM (CPUs=2, Memory=2000MB, Disk=20000MB) ...
🌐  Found network options:
    ▪ NO_PROXY=localhost,127.0.0.0/8,::1
    ▪ no_proxy=localhost,127.0.0.0/8,::1
🐳  Preparing Kubernetes v1.16.2 on Docker '18.09.9' ...
    ▪ env NO_PROXY=localhost,127.0.0.0/8,::1
    ▪ env NO_PROXY=localhost,127.0.0.0/8,::1
💾  Downloading kubeadm v1.16.2
💾  Downloading kubelet v1.16.2
🚜  Pulling images ...
🚀  Launching Kubernetes ... 
⌛  Waiting for: apiserver
🏄  Done! kubectl is now configured to use "minikube"

대시보드 열기

gkz@localhost ~ $ minikube dashboard
🤔  Verifying dashboard health ...
🚀  Launching proxy ...
🤔  Verifying proxy health ...
🎉  Opening http://127.0.0.1:43933/api/v1/namespaces/kubernetes-dashboard/services/http:kubernetes-dashboard:/proxy/ in your default browser...
Opening in existing browser session. 

브라우저가 아래와 같이 시작됩니다.

Minikube의 상태 확인

# Minikubeを立ち上げる前
gkz@localhost ~ $ minikube status
host: 
kubelet: 
apiserver: 
kubeconfig: 

# Minikubeを立ち上げた後
gkz@localhost ~ $ minikube status
host: Running
kubelet: Running
apiserver: Running
kubeconfig: Configured

Minikube 정지/삭제

gkz@localhost ~ $ minikube stop
✋  Stopping "minikube" in kvm2 ...
🛑  "minikube" stopped.
gkz@localhost ~ $ minikube delete
🔥  Deleting "minikube" in kvm2 ...
💔  The "minikube" cluster has been deleted.
🔥  Successfully deleted profile "minikube"

# まとめて消す方法
gkz@localhost ~ $ minikube stop; minikube delete

# Minikubeのステータスの確認
gkz@localhost ~ $ minikube status
host: 
kubelet: 
apiserver: 
kubeconfig: 

Minikube를 완전히 삭제

gkz@localhost ~ $ sudo rm /usr/local/bin/minikube 
[sudo] password for gkz: 
gkz@localhost ~ $ rm -rf ~/.minikube

# 削除できているか確認
gkz@localhost ~ $ minikube start -vm-driver=kvm2
bash: /usr/local/bin/minikube: No such file or directory
gkz@localhost ~ $ kubectl version
Client Version: version.Info{Major:"1", Minor:"16", GitVersion:"v1.16.2", GitCommit:"c97fe5036ef3df2967d086711e6c0c405941e14b", GitTreeState:"clean", BuildDate:"2019-10-15T19:18:23Z", GoVersion:"go1.12.10", Compiler:"gc", Platform:"linux/amd64"}
Error from server (NotFound): the server could not find the requested resource
gkz@localhost ~ $ minikube version
bash: /usr/local/bin/minikube: No such file or directory

Minikube 재설치

gkz@localhost ~ $ curl -LO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64 \
>     && sudo install minikube-linux-amd64 /usr/local/bin/minikube && rm minikube-linux-amd64
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 46.3M  100 46.3M    0     0  5463k      0  0:00:08  0:00:08 --:--:-- 5424k
gkz@localhost ~ $ minikube version
minikube version: v1.5.2
commit: 792dbf92a1de583fcee76f8791cff12e0c9440ad-dirty

참고

가상화

PC에서 가상화 (VT)를 활성화하는 방법?

kvm Minikube 설치

Running Kubernetes locally on Linux with Minikube - now with Kubernetes 1.14 support

kubectl 설치
　- Install and Set Up kubectl - Kubernetes

P.S. Twitter도 하고 있으므로 팔로우해 주시면 울고 기뻐합니다 :)

@gkzvoice

#gkz