9. nhn클라우드- nks - BooksApp 도서
https://github.com/BuoyantIO/booksapp
<1> 네임 스페이스 생성
<2> 배포
<3> Deploy Chaos Monkey
<4> 정리
<1> 네임 스페이스 생성
kubectl create namespace booksapp
k ns booksapp
<2> 배포
# 배포
curl -s https://run.linkerd.io/booksapp.yml | kubectl apply -f -
kubectl patch svc webapp -p '{"spec":{"type":"NodePort"}}'
# 확인
NAME READY STATUS RESTARTS AGE
pod/authors-d48578dd8-qhgc2 1/1 Running 0 46s
pod/books-54699dd99b-qz7xh 1/1 Running 0 46s
pod/traffic-594c5bcbd9-9n76h 1/1 Running 0 46s
pod/webapp-779449dd5b-52wps 1/1 Running 0 46s
pod/webapp-779449dd5b-7rfwq 1/1 Running 0 46s
pod/webapp-779449dd5b-kh4l2 1/1 Running 0 46s
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
service/authors ClusterIP 10.254.122.70 <none> 7001/TCP 46s
service/books ClusterIP 10.254.111.77 <none> 7002/TCP 46s
service/webapp NodePort 10.254.252.22 <none> 7000:32091/TCP 46s
NAME READY UP-TO-DATE AVAILABLE AGE
deployment.apps/authors 1/1 1 1 46s
deployment.apps/books 1/1 1 1 46s
deployment.apps/traffic 1/1 1 1 46s
deployment.apps/webapp 3/3 3 3 46s
NAME DESIRED CURRENT READY AGE
replicaset.apps/authors-d48578dd8 1 1 1 46s
replicaset.apps/books-54699dd99b 1 1 1 46s
replicaset.apps/traffic-594c5bcbd9 1 1 1 46s
replicaset.apps/webapp-779449dd5b 3 3 3 46s
# webapp 웹 접속 주소 확인
APPNIP=$(kubectl get pod -l app=webapp -o jsonpath='{.items[0].status.hostIP}')
APPNPORT=$(kubectl get svc webapp -o jsonpath={.spec.ports[0].nodePort})
echo -e "App URL = http://$APPNIP:$APPNPORT"
k delete service webapp
kubectl expose deployment webapp --port=80 --type=LoadBalancer
페이지가 작동하지 않습니다.
<3> Deploy Chaos Monkey
1
https://github.com/BuoyantIO/booksapp#deploy-chaos-monkey
2
chaos.yaml
https://github.com/BuoyantIO/booksapp/blob/main/k8s/mysql-chaos.yml
3
# 30초 마다 랜덤으로 파드 1개 삭제 >> 웹 서비스 정상 서비스되는 지 확인
kubectl apply -f chaos.yaml
# 랜덤 삭제 파드 정보 확인
kubectl logs chaos -f
found 6 running pods
pod "books-6c78cf85c8-x949t" deleted
found 6 running pods
pod "webapp-78898d5698-gxmrz" deleted
found 6 running pods
pod "authors-9fdb57986-62vrw" deleted
...
# 현재 상태에서 문제 해결
kubectl scale deployment books --replicas=2
# chaos 시나리오 삭제
kubectl delete -f chaos.yaml
kubectl delete -f https://run.linkerd.io/booksapp.yml
<4> 정리
감사합니다.
