list all resources in all available regions. filter by specific resource type. only for current account.

aws-list-resources.sh

#!/bin/bash

## Define the output CSV file
output_file="aws_resources.csv"

## List of resource types to include in the report
resource_types=("ec2" "lambda" "ecs" "eks" "rds" "dynamodb" "elasticmapreduce" "kinesis" "elasticache")

## Check if the AWS CLI is installed
if ! command -v aws &> /dev/null; then
  echo "AWS CLI is not installed. Please install it and try again."
  exit 1
fi

# Get the list of available regions
regions=$(aws ec2 describe-regions --query 'Regions[*].RegionName' --output text)

# Create the header for the CSV file
echo "Region,ResourceType,ResourceId" > "$output_file"

# Loop through each region
for region in $regions; do
  # Loop through each resource type
  for resource_type in "${resource_types[@]}"; do
    # Get the list of resources for the current type and region
    case "$resource_type" in
      "ec2")
        resources=$(aws ec2 describe-instances --region "$region" --query 'Reservations[*].Instances[*].[InstanceId]' --output text)
        ;;
      "lambda")
        resources=$(aws lambda list-functions --region "$region" --query 'Functions[*].[FunctionName]' --output text)
        ;;
      "ecs")
        resources=$(aws ecs list-clusters --region "$region" --query 'clusterArns' --output text)
        ;;
      "eks")
        resources=$(aws eks list-clusters --region "$region" --query 'clusters' --output text)
        ;;
      "rds")
        resources=$(aws rds describe-db-instances --region "$region" --query 'DBInstances[*].[DBInstanceIdentifier]' --output text)
        ;;
      "dynamodb")
        resources=$(aws dynamodb list-tables --region "$region" --query 'TableNames' --output text)
        ;;
      "elasticmapreduce")
        resources=$(aws emr list-clusters --region "$region" --query 'Clusters[*].[Id]' --output text)
        ;;
      "kinesis")
        resources=$(aws kinesis list-streams --region "$region" --query 'StreamNames' --output text)
        ;;
     "elasticache")
       resources=$(aws elasticache describe-cache-clusters --region "$region" --query 'CacheClusters[*].[CacheClusterId]' --output text)
       ;;
     *)
       echo "Unknown resource type: $resource_type"
       exit 1
       ;;
    esac
    # Print the results to the CSV file
    # Print the results to the CSV file
    # Loop through each resource and construct the CSV line
    while IFS= read -r resource; do
      if [ -n "$resource" ]; then
        echo "$region,$resource_type,$resource" >> "$output_file"
      fi
    done <<< "$resources"
    echo "$region, $resource_type"     echo "$region, $resource_type" 
  done
done
echo "AWS resource collection completed. Results saved in: $output_file"