Storage

# 실습 YAML 파일
curl -O https://s3.ap-northeast-2.amazonaws.com/cloudformation.cloudneta.net/K8S/eks-oneclick2.yaml

# cloudformation 스택 생성
aws cloudformation deploy --template-file eks-oneclick2.yaml --stack-name myeks --parameter-overrides KeyName=aews SgIngressSshCidr=$(curl -s ipinfo.io/ip)/32  MyIamUserAccessKeyID=AKIA5... MyIamUserSecretAccessKey=CVNa2... ClusterBaseName=myeks --region ap-northeast-2

ssh -i ~/.ssh/aews.pem ec2-user@$(aws cloudformation describe-stacks --stack-name myeks --query 'Stacks[*].Outputs[0].OutputValue' --output text)

# default 네임스페이스 적용
kubectl ns default

# (옵션) context 이름 변경
NICK=kkumtree
kubectl ctx
kubectl config rename-context [email protected] $NICK@myeks

# EFS 확인 : AWS 관리콘솔 EFS 확인
EfsFsId=$(aws efs describe-file-systems --query 'FileSystems[*].FileSystemId' --output text)
echo $EfsFsId
mount -t nfs4 -o nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport $EfsFsId.efs.ap-northeast-2.amazonaws.com:/ /mnt/myefs
df -hT --type nfs4
mount | grep nfs4
echo "Test efs exist with file " > /mnt/myefs/memo.txt
cat /mnt/myefs/memo.txt
rm -f /mnt/myefs/memo.txt

# 스토리지클래스 및 CSI 노드 확인
kubectl get sc
kubectl get sc gp2 -o yaml | yh
kubectl get csinodes

# 노드 정보 확인
kubectl get node --label-columns=node.kubernetes.io/instance-type,eks.amazonaws.com/capacityType,topology.kubernetes.io/zone
eksctl get iamidentitymapping --cluster myeks

# 노드 IP 확인 및 PrivateIP 변수 지정
N1=$(kubectl get node --label-columns=topology.kubernetes.io/zone --selector=topology.kubernetes.io/zone=ap-northeast-2a -o jsonpath={.items[0].status.addresses[0].address})
N2=$(kubectl get node --label-columns=topology.kubernetes.io/zone --selector=topology.kubernetes.io/zone=ap-northeast-2b -o jsonpath={.items[0].status.addresses[0].address})
N3=$(kubectl get node --label-columns=topology.kubernetes.io/zone --selector=topology.kubernetes.io/zone=ap-northeast-2c -o jsonpath={.items[0].status.addresses[0].address})
echo "export N1=$N1" >> /etc/profile
echo "export N2=$N2" >> /etc/profile
echo "export N3=$N3" >> /etc/profile
echo $N1, $N2, $N3

# 노드 보안그룹 ID 확인
NGSGID=$(aws ec2 describe-security-groups --filters Name=group-name,Values=*ng1* --query "SecurityGroups[*].[GroupId]" --output text)
aws ec2 authorize-security-group-ingress --group-id $NGSGID --protocol '-1' --cidr 192.168.1.100/32

# 워커 노드 SSH 접속
ssh ec2-user@$N1 hostname
ssh ec2-user@$N2 hostname
ssh ec2-user@$N3 hostname

# 노드에 툴 설치
ssh ec2-user@$N1 sudo yum install links tree jq tcpdump sysstat -y
ssh ec2-user@$N2 sudo yum install links tree jq tcpdump sysstat -y
ssh ec2-user@$N3 sudo yum install links tree jq tcpdump sysstat -y

# AWS LB, ExternalDNS 설치
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

# ExternalDNS
MyDomain=awskops.click
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 -