gistfile1.txt

export ZONE=
export REGION=
export FIREWALL_NAME=

cat << EOF > startup.sh
#! /bin/bash
apt-get update
apt-get install -y nginx
service nginx start
sed -i -- 's/nginx/Google Cloud Platform - '"\$HOSTNAME"'/' /var/www/html/index.nginx-debian.html
EOF

 
gcloud compute instance-templates create web-server-template \
--metadata-from-file startup-script=startup.sh \
--network nucleus-vpc \
--machine-type e2-micro \
--region $ZONE
 
 
gcloud compute target-pools create nginx-pool --region=$REGION
 
 
gcloud compute instance-groups managed create web-server-group \
--base-instance-name web-server \
--size 2 \
--template web-server-template \
--region $REGION
 
 
gcloud compute firewall-rules create $FIREWALL_NAME \
--allow tcp:80 \
--network nucleus-vpc
 
 
gcloud compute http-health-checks create http-basic-check
gcloud compute instance-groups managed \
set-named-ports web-server-group \
--named-ports http:80 \
--region $REGION
 
 
gcloud compute backend-services create web-server-backend \
--protocol HTTP \
--http-health-checks http-basic-check \
--global
 
 
gcloud compute backend-services add-backend web-server-backend \
--instance-group web-server-group \
--instance-group-region $REGION \
--global
 
 
gcloud compute url-maps create web-server-map \
--default-service web-server-backend
 
 
gcloud compute target-http-proxies create http-lb-proxy \
--url-map web-server-map
 
 
 
gcloud compute forwarding-rules create http-content-rule \
--global \
--target-http-proxy http-lb-proxy \
--ports 80
 
 
gcloud compute forwarding-rules create $FIREWALL_NAME \
--global \
--target-http-proxy http-lb-proxy \
--ports 80
gcloud compute forwarding-rules list