Merge pull request #77525 from bmcelvee/OSDOCS-10865

OSDOCS-10865: Update command to create VPC in Hosted Control Planes guide tutorial

Author: bmcelvee

cloud_experts_tutorials/cloud-experts-getting-started/cloud-experts-getting-started-deploying/cloud-experts-getting-started-hcp.adoc

@@ -31,11 +31,115 @@ In this tutorial, we will create these resources first. We will also set up some
 rosa list regions --hosted-cp
 ----
 
-. Create the VPC. For this tutorial, the following script will create the VPC and its required components for you. It will use the region configured for the `aws` CLI.
+. Create the VPC. For this tutorial, the following link:https://github.com/openshift-cs/rosaworkshop/blob/master/rosa-workshop/rosa/resources/setup-vpc.sh[script] creates the VPC and its required components for you. It uses the region configured for the `aws` CLI.
 +
-[source,terminal]
+[source,bash]
 ----
-curl https://raw.githubusercontent.com/openshift-cs/rosaworkshop/master/rosa-workshop/rosa/resources/setup-vpc.sh | bash
+#!/bin/bash
+
+set -e
+##########
+# This script will create the network requirements for a ROSA cluster. This will be
+# a public cluster. This creates:
+# - VPC
+# - Public and private subnets
+# - Internet Gateway
+# - Relevant route tables
+# - NAT Gateway
+#
+# This will automatically use the region configured for the aws cli
+#
+##########
+
+VPC_CIDR=10.0.0.0/16
+PUBLIC_CIDR_SUBNET=10.0.1.0/24
+PRIVATE_CIDR_SUBNET=10.0.0.0/24
+
+# Create VPC
+echo -n "Creating VPC..."
+VPC_ID=$(aws ec2 create-vpc --cidr-block $VPC_CIDR --query Vpc.VpcId --output text)
+
+# Create tag name
+aws ec2 create-tags --resources $VPC_ID --tags Key=Name,Value=$CLUSTER_NAME
+
+# Enable dns hostname
+aws ec2 modify-vpc-attribute --vpc-id $VPC_ID --enable-dns-hostnames
+echo "done."
+
+# Create Public Subnet
+echo -n "Creating public subnet..."
+PUBLIC_SUBNET_ID=$(aws ec2 create-subnet --vpc-id $VPC_ID --cidr-block $PUBLIC_CIDR_SUBNET --query Subnet.SubnetId --output text)
+
+aws ec2 create-tags --resources $PUBLIC_SUBNET_ID --tags Key=Name,Value=$CLUSTER_NAME-public
+echo "done."
+
+# Create private subnet
+echo -n "Creating private subnet..."
+PRIVATE_SUBNET_ID=$(aws ec2 create-subnet --vpc-id $VPC_ID --cidr-block $PRIVATE_CIDR_SUBNET --query Subnet.SubnetId --output text)
+
+aws ec2 create-tags --resources $PRIVATE_SUBNET_ID --tags Key=Name,Value=$CLUSTER_NAME-private
+echo "done."
+
+# Create an internet gateway for outbound traffic and attach it to the VPC.
+echo -n "Creating internet gateway..."
+IGW_ID=$(aws ec2 create-internet-gateway --query InternetGateway.InternetGatewayId --output text)
+echo "done."
+
+aws ec2 create-tags --resources $IGW_ID --tags Key=Name,Value=$CLUSTER_NAME
+
+aws ec2 attach-internet-gateway --vpc-id $VPC_ID --internet-gateway-id $IGW_ID > /dev/null 2>&1
+echo "Attached IGW to VPC."
+
+# Create a route table for outbound traffic and associate it to the public subnet.
+echo -n "Creating route table for public subnet..."
+PUBLIC_ROUTE_TABLE_ID=$(aws ec2 create-route-table --vpc-id $VPC_ID --query RouteTable.RouteTableId --output text)
+
+aws ec2 create-tags --resources $PUBLIC_ROUTE_TABLE_ID --tags Key=Name,Value=$CLUSTER_NAME
+echo "done."
+
+aws ec2 create-route --route-table-id $PUBLIC_ROUTE_TABLE_ID --destination-cidr-block 0.0.0.0/0 --gateway-id $IGW_ID > /dev/null 2>&1
+echo "Created default public route."
+
+aws ec2 associate-route-table --subnet-id $PUBLIC_SUBNET_ID --route-table-id $PUBLIC_ROUTE_TABLE_ID > /dev/null 2>&1
+echo "Public route table associated"
+
+# Create a NAT gateway in the public subnet for outgoing traffic from the private network.
+echo -n "Creating NAT Gateway..."
+NAT_IP_ADDRESS=$(aws ec2 allocate-address --domain vpc --query AllocationId --output text)
+
+NAT_GATEWAY_ID=$(aws ec2 create-nat-gateway --subnet-id $PUBLIC_SUBNET_ID --allocation-id $NAT_IP_ADDRESS --query NatGateway.NatGatewayId --output text)
+
+aws ec2 create-tags --resources $NAT_IP_ADDRESS --resources $NAT_GATEWAY_ID --tags Key=Name,Value=$CLUSTER_NAME
+sleep 10
+echo "done."
+
+# Create a route table for the private subnet to the NAT gateway.
+echo -n "Creating a route table for the private subnet to the NAT gateway..."
+PRIVATE_ROUTE_TABLE_ID=$(aws ec2 create-route-table --vpc-id $VPC_ID --query RouteTable.RouteTableId --output text)
+
+aws ec2 create-tags --resources $PRIVATE_ROUTE_TABLE_ID $NAT_IP_ADDRESS --tags Key=Name,Value=$CLUSTER_NAME-private
+ 
+aws ec2 create-route --route-table-id $PRIVATE_ROUTE_TABLE_ID --destination-cidr-block 0.0.0.0/0 --gateway-id $NAT_GATEWAY_ID > /dev/null 2>&1
+
+aws ec2 associate-route-table --subnet-id $PRIVATE_SUBNET_ID --route-table-id $PRIVATE_ROUTE_TABLE_ID > /dev/null 2>&1
+
+echo "done."
+
+# echo "***********VARIABLE VALUES*********"
+# echo "VPC_ID="$VPC_ID
+# echo "PUBLIC_SUBNET_ID="$PUBLIC_SUBNET_ID
+# echo "PRIVATE_SUBNET_ID="$PRIVATE_SUBNET_ID
+# echo "PUBLIC_ROUTE_TABLE_ID="$PUBLIC_ROUTE_TABLE_ID
+# echo "PRIVATE_ROUTE_TABLE_ID="$PRIVATE_ROUTE_TABLE_ID
+# echo "NAT_GATEWAY_ID="$NAT_GATEWAY_ID
+# echo "IGW_ID="$IGW_ID
+# echo "NAT_IP_ADDRESS="$NAT_IP_ADDRESS
+
+echo "Setup complete."
+echo ""
+echo "To make the cluster create commands easier, please run the following commands to set the environment variables:"
+echo "export PUBLIC_SUBNET_ID=$PUBLIC_SUBNET_ID"
+echo "export PRIVATE_SUBNET_ID=$PRIVATE_SUBNET_ID"
 ----
 +
 For more about VPC requirements, see the xref:../../../rosa_planning/rosa-sts-aws-prereqs.adoc#rosa-vpc_rosa-sts-aws-prereqs[VPC documentation].