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매거진 네이버클라우드 전문가 되기

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by Master Seo Mar 02. 2022

107.네이버 쿠버네티스 서비스에 테트리스 7/10

<1> 네이버 쿠버네티스 서비스 클러스터 생성

<2> 쿠버네티스에 명령내릴 리눅스 명령 서버 접속

<3> 테트리스 게임 올리기

<4> 운영 하기

<5> 네이버 클라우드 컨테이너 서비스 알아보기

<1> 네이버 쿠버네티스 서비스 클러스터 생성

생성과 접속 법

https://brunch.co.kr/@topasvga/2210

104. 개발 테스트 서버 구축 비용 확인

개발 테스트를 하려 한다. 서버 1대가 필요하다. 하루, 한 달 비용이 얼마나 나올까? 쿠버네티스 개발 테스트를 하려 한다. 하루, 한 달 비용이 얼마나 나올까? 비용을 하루가 지난 후 계산된다.

brunch.co.kr/@topasvga/2210

<2> 쿠버네티스에 명령내릴 리눅스 명령 서버 접속

passwd root

go1!

<3> 테트리스 게임 올리기

1 cat <<EOF | kubectl create -f -

apiVersion: apps/v1

kind: Deployment

metadata:

name: tetris

labels:

app: tetris

spec:

replicas: 1

selector:

matchLabels:

app: tetris

template:

metadata:

labels:

app: tetris

spec:

containers:

- name: tetris

image: bsord/tetris

EOF

kubectl expose deployment tetris --port=80 --type=LoadBalancer

2 # 확인

kubectl get deploy,svc tetris

kubectl get deploy,svc,pods

kubectl get deploy,svc,pods -o wide

kubectl get deploy,svc tetris

NAME READY UP-TO-DATE AVAILABLE AGE

deployment.apps/tetris 1/1 1 1 59s

NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE

service/tetris LoadBalancer 198.19.138.41 default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com 80:30512/TCP 53s

4 웹 브라우저로 접속하여 게임 하기

http://default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com/

Tetris

default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com

120 테트리스-외부2.txt

5 방향키

스페이스키 사용

kubectl get deploy,svc,pods

[root@s17f56ff32ee ~]# kubectl get deploy,svc,pods

NAME READY UP-TO-DATE AVAILABLE AGE

deployment.apps/tetris 1/1 1 1 2m20s

NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE

service/kubernetes ClusterIP 198.19.128.1 <none> 443/TCP 8h

service/tetris LoadBalancer 198.19.138.41 default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com 80:30512/TCP 2m15s

NAME READY STATUS RESTARTS AGE

pod/tetris-78b8bb6fcb-fqkzk 1/1 Running 0 2m20s

kubectl get deploy,svc,pods -o wide

[root@s17f56ff32ee ~]# kubectl get deploy,svc,pods -o wide

NAME READY UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR

deployment.apps/tetris 1/1 1 1 3m38s tetris bsord/tetris app=tetris

NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR

service/kubernetes ClusterIP 198.19.128.1 <none> 443/TCP 8h <none>

service/tetris LoadBalancer 198.19.138.41 default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com 80:30512/TCP 3m33s app=tetris

NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES

pod/tetris-78b8bb6fcb-fqkzk 1/1 Running 0 3m39s 198.18.0.55 node11-w-1n7 <none> <none>

<4> 운영 하기

kubectl get deploy,svc,pods

[root@s17f56ff32ee ~]# kubectl get deploy,svc,pods

NAME READY UP-TO-DATE AVAILABLE AGE

deployment.apps/tetris 1/1 1 1 8m48s

NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE

service/kubernetes ClusterIP 198.19.128.1 <none> 443/TCP 8h

service/tetris LoadBalancer 198.19.138.41 default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com 80:30512/TCP 8m42s

NAME READY STATUS RESTARTS AGE

pod/tetris-78b8bb6fcb-fqkzk 1/1 Running 0 8m47s

서버수 조절

10대로 늘려보기 ~

kubectl scale deployment tetris --replicas=10

kubectl get pods

NAME READY STATUS RESTARTS AGE

tetris-78b8bb6fcb-2dqcj 1/1 Running 0 25s

tetris-78b8bb6fcb-5297f 1/1 Running 0 25s

tetris-78b8bb6fcb-8nzfl 1/1 Running 0 25s

tetris-78b8bb6fcb-95nvr 1/1 Running 0 25s

tetris-78b8bb6fcb-fqkzk 1/1 Running 0 10m

tetris-78b8bb6fcb-gk978 1/1 Running 0 25s

tetris-78b8bb6fcb-j4mrf 1/1 Running 0 25s

tetris-78b8bb6fcb-lpfsz 1/1 Running 0 25s

tetris-78b8bb6fcb-lxn4h 1/1 Running 0 25s

tetris-78b8bb6fcb-n5xmg 1/1 Running 0 25s

접속자 IP 확인?

아래 명령서 실행시킬 웹브라우저로 서비스 접속해본다.

아래처럼 로그가 나온다.

kubectl logs -l app=tetris -f --max-log-requests 10

DNS 에서 로드밸런서를 cname으로 연결

원하는 도메인으로 접속 하면 된다.

Global DNS

도메인

bestgame10.com

http://1.bestgame10.com/

Tetris

1.bestgame10.com

250대로 늘려보기

kubectl scale deployment tetris --replicas=250

중간에 Pending이 생긴다.

kubectl get deploy,svc,pods -o wide

[root@s17f56ff32ee ~]# kubectl get deploy,svc,pods -o wide

pod/tetris-78b8bb6fcb-tj7kr 1/1 Running 0 3m10s 198.18.1.163 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-tnq99 1/1 Running 0 6m14s 198.18.0.28 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-tpp2d 0/1 Pending 0 2m44s <none> <none> <none> <none>

pod/tetris-78b8bb6fcb-tt8rg 1/1 Running 0 6m41s 198.18.1.239 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-ttx8d 1/1 Running 0 3m10s 198.18.0.85 node11-w-1n7

2개로 변경하기

kubectl scale deployment tetris --replicas=2

// Pod들이 종료 된다.

[root@s17f56ff32ee ~]# kubectl get deploy,svc,pods -o wide

NAME READY UP-TO-DATE AVAILABLE AGE CONTAINERS IMAGES SELECTOR

deployment.apps/tetris 2/2 2 2 34m tetris bsord/tetris app=tetris

NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE SELECTOR

service/kubernetes ClusterIP 198.19.128.1 <none> 443/TCP 8h <none>

service/tetris LoadBalancer 198.19.138.41 default-tetris-2245b-9982291-914a3d8e10c7.sgn.lb.naverncp.com 80:30512/TCP 34m app=tetris

NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES

pod/tetris-78b8bb6fcb-2b7hj 1/1 Terminating 0 6m35s 198.18.1.181 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-2fkdf 1/1 Terminating 0 8m25s 198.18.0.41 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-2grfg 1/1 Terminating 0 5m40s 198.18.1.187 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-2pw5x 1/1 Terminating 0 7m58s 198.18.0.227 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-2sp8m 1/1 Terminating 0 6m57s 198.18.1.164 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-45fsb 1/1 Terminating 0 9m24s 198.18.1.166 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-45fxg 1/1 Terminating 0 10m 198.18.1.183 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-4f62d 1/1 Terminating 0 5m40s 198.18.1.39 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-4hgz2 1/1 Terminating 0 5m40s 198.18.1.174 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-4tzxv 1/1 Terminating 0 6m57s 198.18.1.123 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-4wkhl 1/1 Terminating 0 12m 198.18.1.13 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-4x4kt 1/1 Terminating 0 6m14s 198.18.0.207 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-4zv8x 1/1 Terminating 0 6m15s 198.18.0.81 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-54nbf 1/1 Terminating 0 8m44s 198.18.1.54 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-54xnt 0/1 Terminating 0 5m40s 198.18.1.160 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-5742m 1/1 Terminating 0 6m15s 198.18.0.139 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-57pqm 1/1 Terminating 0 5m40s 198.18.1.34 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-5j8pb 1/1 Terminating 0 9m11s 198.18.0.67 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-5ngmn 1/1 Terminating 0 12m 198.18.1.36 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-5rswt 1/1 Terminating 0 12m 198.18.0.182 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-5w22c 1/1 Running 0 12m 198.18.0.18 node11-w-1n7 <none> <none>

pod/tetris-78b8bb6fcb-5wstv 1/1 Terminating 0 6m35s 198.18.1.229 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-5zdsl 1/1 Terminating 0 5m40s 198.18.1.162 node11-w-1n6 <none> <none>

pod/tetris-78b8bb6fcb-67wpd 1/1 Terminating 0 5m40s 198.18.1.213 node11-w-1n6 <no

20 삭제

kubectl delete deploy,svc tetris

<5> 네이버 클라우드 컨테이너 서비스 알아보기

https://brunch.co.kr/@topasvga/1863

30.(몰아보기) 네이버 클라우드 컨테이너

https://brunch.co.kr/@topasvga/1504 https://brunch.co.kr/@topasvga/1927 NKS 시작하기 https://brunch.co.kr/@topasvga/2035 https://brunch.co.kr/@topasvga/2095 https://brunch.co.kr/@topasvga/2096 https

brunch.co.kr/@topasvga/1863

감사합니다.

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