<1> 환경 설정
gcloud auth list
gcloud config list project
gcloud config set compute/zone us-central1-a
<2> 웝서버 2대 설치
1
gcloud compute instances create www1 \
--image-family debian-9 \
--image-project debian-cloud \
--zone us-central1-a \
--tags network-lb-tag \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo service apache2 restart
echo 'www1
' | tee /var/www/html/index.html"
gcloud compute instances create www2 \
--image-family debian-9 \
--image-project debian-cloud \
--zone us-central1-a \
--tags network-lb-tag \
--metadata startup-script="#! /bin/bash
sudo apt-get update
sudo apt-get install apache2 -y
sudo service apache2 restart
echo 'www2
' | tee /var/www/html/index.html"
2
보안그룹 생성
gcloud compute firewall-rules create www-firewall-network-lb \
--target-tags network-lb-tag --allow tcp:80
3
확인
gcloud compute instances list
curl http://[IP_ADDRESS]
<3> 로드밸런서 환경 설정
1
gcloud compute addresses create network-lb-ip-1 \
--region us-central1
2
gcloud compute http-health-checks create basic-check
3
타켓 pool만들기
gcloud compute target-pools create www-pool \
--region us-central1 --http-health-check basic-check
4
gcloud compute target-pools add-instances www-pool \
--instances www1,www2,www3
5
포워딩
gcloud compute forwarding-rules create www-rule \
--region us-central1 \
--ports 80 \
--address network-lb-ip-1 \
--target-pool www-pool
<4> 확인
1
gcloud compute forwarding-rules describe www-rule --region us-central1
2
while true; do curl -m1 IP_ADDRESS; done
<5> 백엔드 로드밸런서 생성
1
gcloud compute instance-templates create lb-backend-template \
--region=us-central1 \
--network=default \
--subnet=default \
--tags=allow-health-check \
--image-family=debian-9 \
--image-project=debian-cloud \
--metadata=startup-script='#! /bin/bash
apt-get update
apt-get install apache2 -y
a2ensite default-ssl
a2enmod ssl
vm_hostname="$(curl -H "Metadata-Flavor:Google" \
http://169.254.169.254/computeMetadata/v1/instance/name)"
echo "Page served from: $vm_hostname" | \
tee /var/www/html/index.html
systemctl restart apache2'
2
gcloud compute instance-groups managed create lb-backend-group \
--template=lb-backend-template --size=2 --zone=us-central1-a
3
gcloud compute firewall-rules create fw-allow-health-check \
--network=default \
--action=allow \
--direction=ingress \
--source-ranges=130.211.0.0/22,35.191.0.0/16 \
--target-tags=allow-health-check \
--rules=tcp:80
4
gcloud compute addresses create lb-ipv4-1 \
--ip-version=IPV4 \
--global
5
gcloud compute health-checks create http http-basic-check \
--port 80
6
gcloud compute backend-services create web-backend-service \
--protocol=HTTP \
--port-name=http \
--health-checks=http-basic-check \
--global
7
gcloud compute backend-services add-backend web-backend-service \
--instance-group=lb-backend-group \
--instance-group-zone=us-central1-a \
--global
8
gcloud compute url-maps create web-map-http \
--default-service web-backend-service
9
gcloud compute target-http-proxies create http-lb-proxy \
--url-map web-map-http
10
gcloud compute forwarding-rules create http-content-rule \
--address=lb-ipv4-1\
--global \
--target-http-proxy=http-lb-proxy \
--ports=80
<6> 로드밸런서 가서 해당 ip로 접속 확인
콘솔 > 로드밸런서 가서 해당 ip로 접속 확인
감사합니다.