FIX: correct shell script error

modules/networking/delete-default-vpcs/exec.sh

@@ -1,47 +1,38 @@
 #!/bin/bash
 
 region=$1
-  # get default vpc
-  vpc=$(aws ec2 --region ${region} \
-    describe-vpcs --filter Name=isDefault,Values=true \
-    | jq -r .Vpcs[0].VpcId)
-  if [ "${vpc}" = "null" ]; then
-    echo "No default vpc found"
-    continue
-  fi
-  echo "Found default vpc ${vpc}"
+vpc=$(aws ec2 --region ${region} \
+  describe-vpcs --filter Name=isDefault,Values=true \
+  | jq -r .Vpcs[0].VpcId)
+if [ "${vpc}" = "null" ]; then
+  echo "No default vpc found"
+  exit 0
+fi
 
-  # get internet gateway
-  igw=$(aws ec2 --region ${region} \
-    describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} \
-    | jq -r .InternetGateways[0].InternetGatewayId)
-  if [ "${igw}" != "null" ]; then
-    echo "Detaching and deleting internet gateway ${igw}"
-    aws ec2 --region ${region} \
-      detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
-    aws ec2 --region ${region} \
-      delete-internet-gateway --internet-gateway-id ${igw}
-  fi
-
-  # get subnets
-  subnets=$(aws ec2 --region ${region} \
-    describe-subnets --filters Name=vpc-id,Values=${vpc} \
-    | jq -r .Subnets[].SubnetId)
-  if [ "${subnets}" != "null" ]; then
-    for subnet in ${subnets}; do
-      echo "Deleting subnet ${subnet}"
-      aws ec2 --region ${region} \
-        delete-subnet --subnet-id ${subnet}
-    done
-  fi
-
-  # https://docs.aws.amazon.com/cli/latest/reference/ec2/delete-vpc.html
-  # - You can't delete the main route table
-  # - You can't delete the default network acl
-  # - You can't delete the default security group
-
-  # delete default vpc
-  echo "Deleting vpc ${vpc}"
+igw=$(aws ec2 --region ${region} \
+  describe-internet-gateways --filter Name=attachment.vpc-id,Values=${vpc} \
+  | jq -r .InternetGateways[0].InternetGatewayId)
+if [ "${igw}" != "null" ]; then
+  echo "Detaching and deleting internet gateway ${igw}"
   aws ec2 --region ${region} \
-    delete-vpc --vpc-id ${vpc}
+    detach-internet-gateway --internet-gateway-id ${igw} --vpc-id ${vpc}
+  aws ec2 --region ${region} \
+    delete-internet-gateway --internet-gateway-id ${igw}
+fi
+
+subnets=$(aws ec2 --region ${region} \
+  describe-subnets --filters Name=vpc-id,Values=${vpc} \
+  | jq -r .Subnets[].SubnetId)
+if [ "${subnets}" != "null" ]; then
+  for subnet in ${subnets}; do
+    echo "Deleting subnet ${subnet}"
+    aws ec2 --region ${region} \
+      delete-subnet --subnet-id ${subnet}
+  done
+fi
+
+echo "Deleting vpc ${vpc}"
+aws ec2 --region ${region} \
+  delete-vpc --vpc-id ${vpc}
+