FelipeAlafy · April 23, 2024 22:32 · Apr 23, 2024
diff --git a/gistfile1.txt b/gistfile1.txt
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+# First Task
+gcloud config set project PROJECT_ID_CAN_BE_FOUND_ON_YOUR_LAB
+gcloud config set compute/region REGION
+gcloud config set compute/zone ZONE
+gcloud compute instances create nucleus-webserver1 --machine-type=e2-micro
+
+#Seccond task - copy and past the following lines into your cloud console to create the startup.sh file which will be the base for your template startup script
+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
+
+-- Other commands:
+gcloud compute instance-templates create lb-backend-template \
+   --region=REGION \
+   --network=default \
+   --subnet=default \
+   --tags=allow-health-check \
+   --machine-type=e2-medium \
+   --image-family=debian-11 \
+   --image-project=debian-cloud \
+   --metadata-from-file startup-script=startup.sh
+
+#Creating the pool
+gcloud compute target-pools create nginx-pool
+
+gcloud compute instance-groups managed create lb-backend-group --base-instance-name nginx --template=lb-backend-template --size=2 --target-pool nginx-pool --zone=us-east1-b
+
+#Creating a firewall for tcp:80
+gcloud compute firewall-rules create www-firewall --allow tcp:80
+
+#Allowing tcp connection through the firewall
+gcloud compute firewall-rules create permit-tcp-rule-586 \
+  --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
+  --target-pool nginx-pool
+
+# Creating an external IPV4 address
+gcloud compute addresses create lb-ipv4-1 \
+  --ip-version=IPV4 \
+  --global
+
+# Health check for port 80
+gcloud compute health-checks create http http-basic-check --port 80
+
+# Forwarding Rule to the nginx-pool
+gcloud compute forwarding-rules create nginx-lb \
+        --region REGION \
+        --ports=80 \
+        --target-pool nginx-pool
+
+# Creating a basic http check
+gcloud compute http-health-checks create http-basic-check
+
+#Defining the ports to http:80 to the mangened group
+gcloud compute instance-groups managed set-named-ports lb-backend-group --named-ports http:80
+
+#Backend service
+gcloud compute backend-services add-backend web-backend-service   --instance-group=lb-backend-group   --instance-group-zone=ZONE --global
+
+#URL Map
+gcloud compute url-maps create web-map-http --default-service web-backend-service
+
+#Proxy
+gcloud compute target-http-proxies create http-lb-proxy --url-map web-map-http
+
+#Forwarding rule to the proxy
+gcloud compute forwarding-rules create http-content-rule \
+   --address=lb-ipv4-1\
+   --global \
+   --target-http-proxy=http-lb-proxy \
+   --ports=80
+
+#Adding the VM Instances to the firewall, it won't load at the browser if you don't do the followings steps, neither count as done
+gcloud compute instances add-tags NAME_OF_INSTANCE_1 --tags http-server,https-server
+
+gcloud compute instances add-tags NAME_OF_INSTANCE_2 --tags http-server,https-server
+
+gcloud compute firewall-rules create default-allow-http --direction=INGRESS --priority=1000 --network=default --action=ALLOW --rules=tc
+p:80 --source-ranges=0.0.0.0/0 --target-tags=http-server
+
+# OPTIONAL
+# you can check your instances from the loadbalancer external ip address only http will work, because of the certification need for https
+http://[EXTERNAL_IP]:80
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