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
1
생성과 접속 법
https://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
3
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/
5
방향키
스페이스키 사용
6
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
7
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
1
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
2
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
3
접속자 IP 확인?
아래 명령서 실행시킬 웹브라우저로 서비스 접속해본다.
아래처럼 로그가 나온다.
kubectl logs -l app=tetris -f --max-log-requests 10
4
DNS 에서 로드밸런서를 cname으로 연결
원하는 도메인으로 접속 하면 된다.
Global DNS
도메인
bestgame10.com
5
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
7
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
