[AWS] EKS monitoring - AWS LB/ExternalDNS/EBS/EFS, kube-ops-view 설치

3주차 포스팅으로도 다뤘지만 4주차에도 동일하게 필요한 부분이라 별도 진행 부탁드립니다.

kube-ops-view는  데브옵스하신다면 켜놓고 파드가 어디에 생성되는지 시각적으로 확인하면 작업에 용이할 것 같습니다.

MyDomain=<자신의 도메인>
echo "export MyDomain=<자신의 도메인>" >> /etc/profile
MyDomain=gasida.link
echo "export MyDomain=gasida.link" >> /etc/profile
MyDnzHostedZoneId=$(aws route53 list-hosted-zones-by-name --dns-name "${MyDomain}." --query "HostedZones[0].Id" --output text)
echo $MyDomain, $MyDnzHostedZoneId
curl -s -O https://raw.githubusercontent.com/gasida/PKOS/main/aews/externaldns.yaml
MyDomain=$MyDomain MyDnzHostedZoneId=$MyDnzHostedZoneId envsubst < externaldns.yaml | kubectl apply -f -

# kube-ops-view
helm repo add geek-cookbook https://geek-cookbook.github.io/charts/
helm install kube-ops-view geek-cookbook/kube-ops-view --version 1.2.2 --set env.TZ="Asia/Seoul" --namespace kube-system
kubectl patch svc -n kube-system kube-ops-view -p '{"spec":{"type":"LoadBalancer"}}'
kubectl annotate service kube-ops-view -n kube-system "external-dns.alpha.kubernetes.io/hostname=kubeopsview.$MyDomain"
echo -e "Kube Ops View URL = http://kubeopsview.$MyDomain:8080/#scale=1.5"

# AWS LB Controller
helm repo add eks https://aws.github.io/eks-charts
helm repo update
helm install aws-load-balancer-controller eks/aws-load-balancer-controller -n kube-system --set clusterName=$CLUSTER_NAME \
  --set serviceAccount.create=false --set serviceAccount.name=aws-load-balancer-controller

# EBS csi driver 설치 확인
eksctl get addon --cluster ${CLUSTER_NAME}
kubectl get pod -n kube-system -l 'app in (ebs-csi-controller,ebs-csi-node)'
kubectl get csinodes

# gp3 스토리지 클래스 생성
kubectl get sc
cat <<EOT > gp3-sc.yaml
kind: StorageClass
apiVersion: storage.k8s.io/v1
metadata:
  name: gp3
allowVolumeExpansion: true
provisioner: ebs.csi.aws.com
volumeBindingMode: WaitForFirstConsumer
parameters:
  type: gp3
  allowAutoIOPSPerGBIncrease: 'true'
  encrypted: 'true'
EOT
kubectl apply -f gp3-sc.yaml
kubectl get sc

# EFS csi driver 설치
helm repo add aws-efs-csi-driver https://kubernetes-sigs.github.io/aws-efs-csi-driver/
helm repo update
helm upgrade -i aws-efs-csi-driver aws-efs-csi-driver/aws-efs-csi-driver \
    --namespace kube-system \
    --set image.repository=602401143452.dkr.ecr.${AWS_DEFAULT_REGION}.amazonaws.com/eks/aws-efs-csi-driver \
    --set controller.serviceAccount.create=false \
    --set controller.serviceAccount.name=efs-csi-controller-sa

# EFS 스토리지클래스 생성 및 확인
curl -s -O https://raw.githubusercontent.com/kubernetes-sigs/aws-efs-csi-driver/master/examples/kubernetes/dynamic_provisioning/specs/storageclass.yaml
sed -i "s/fs-92107410/$EfsFsId/g" storageclass.yaml
kubectl apply -f storageclass.yaml
kubectl get sc efs-sc

 

 

설치정보 확인

# 이미지 정보 확인
kubectl get pods --all-namespaces -o jsonpath="{.items[*].spec.containers[*].image}" | tr -s '[[:space:]]' '\n' | sort | uniq -c

# eksctl 설치/업데이트 addon 확인
eksctl get addon --cluster $CLUSTER_NAME

# IRSA 확인
eksctl get iamserviceaccount --cluster $CLUSTER_NAME