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VPC Networks - Controlling Access.md

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VPC Networks - Controlling Access

Run in cloudshell

export ZONE=
export PROJECT_ID=$(gcloud config get-value project)
gcloud compute instances create blue \
  --zone=$ZONE \
  --machine-type=e2-medium \
  --tags=web-server
gcloud compute instances create green \
  --zone=$ZONE \
  --machine-type=e2-medium 
gcloud compute firewall-rules create allow-http-web-server \
  --network=default \
  --action=ALLOW \
  --direction=INGRESS \
  --source-ranges=0.0.0.0/0 \
  --target-tags=web-server \
  --rules=tcp:80,icmp
gcloud compute instances create test-vm --machine-type=e2-micro --subnet=default --zone=$ZONE

IAM & admin > Service Accounts > Create service account > Name= Network-admin > Role > Compute Engine > Compute Network Admin > Save

gcloud iam service-accounts keys create key.json --iam-account=network-admin@$PROJECT_ID.iam.gserviceaccount.com
gcloud compute ssh blue --zone=$ZONE --quiet
sudo apt-get install nginx-light -y
sudo sed -i 's#<h1>Welcome to nginx!</h1>#<h1>Welcome to the blue server!</h1>#' /var/www/html/index.nginx-debian.html
cat /var/www/html/index.nginx-debian.html
exit
gcloud beta compute ssh green --zone=$ZONE --quiet
sudo apt-get install nginx-light -y
sudo sed -i 's#<h1>Welcome to nginx!</h1>#<h1>Welcome to the Green server!</h1>#' /var/www/html/index.nginx-debian.html
cat /var/www/html/index.nginx-debian.html