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feat: Terraform Foundation - AWS Landing Zone
Enterprise-grade multi-tenant AWS cloud foundation. Modules: - GitHub OIDC for keyless CI/CD authentication - IAM account settings and security baseline - AWS Config Rules for compliance - ABAC (Attribute-Based Access Control) - SCPs (Service Control Policies) Features: - Multi-account architecture - Cost optimization patterns - Security best practices - Comprehensive documentation Tech: Terraform, AWS Organizations, IAM Identity Center
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359
scripts/new-workload.sh
Executable file
359
scripts/new-workload.sh
Executable file
@@ -0,0 +1,359 @@
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#!/bin/bash
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################################################################################
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# Create a new workload from template
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# Usage: ./scripts/new-workload.sh <type> <tenant> <name>
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#
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# Types: ecs, lambda, rds
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################################################################################
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set -e
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TYPE="$1"
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TENANT="$2"
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NAME="$3"
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$(dirname "$SCRIPT_DIR")"
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TF_DIR="$PROJECT_DIR/terraform"
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# Colors
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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# Input validation - prevent command injection
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# Only allow lowercase letters, numbers, and hyphens
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validate_name() {
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local value="$1"
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local field="$2"
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if [[ ! "$value" =~ ^[a-z0-9]([a-z0-9-]*[a-z0-9])?$ ]]; then
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echo -e "${RED}Error: $field must contain only lowercase letters, numbers, and hyphens${NC}"
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echo " Must start and end with a letter or number"
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echo " Got: '$value'"
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exit 1
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fi
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if [[ ${#value} -gt 63 ]]; then
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echo -e "${RED}Error: $field must be 63 characters or less${NC}"
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exit 1
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fi
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}
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# Show usage
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usage() {
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echo "Usage: $0 <type> <tenant> <name>"
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echo ""
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echo "Compute:"
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echo " ecs - ECS Fargate service with ALB"
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echo " eks - EKS Kubernetes cluster"
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echo " lambda - Lambda function with API Gateway"
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echo ""
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echo "Data:"
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echo " rds - RDS database (PostgreSQL/MySQL)"
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echo " aurora - Aurora Serverless v2 (auto-scaling)"
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echo " dynamodb - DynamoDB NoSQL table"
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echo " redis - ElastiCache Redis cluster"
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echo " opensearch - OpenSearch (Elasticsearch)"
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echo " s3 - S3 bucket (data lake, backups, media)"
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echo " ecr - ECR container registry"
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echo ""
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echo "API & Messaging:"
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echo " apigw - API Gateway REST API"
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echo " sqs - SQS queue with DLQ"
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echo " sns - SNS topic (pub/sub)"
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echo " eventbus - EventBridge custom event bus"
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echo " events - EventBridge rules (scheduled/pattern)"
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echo " stepfn - Step Functions workflow"
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echo ""
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echo "Auth & Email:"
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echo " cognito - Cognito User Pool (auth)"
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echo " ses - SES email (transactional/marketing)"
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echo ""
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echo "Config & Security:"
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echo " secrets - Secrets Manager (credentials, API keys)"
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echo " params - SSM Parameter Store (config, cheaper)"
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echo ""
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echo "Web:"
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echo " static - Static site (S3 + CloudFront)"
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echo ""
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echo "Examples:"
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echo " $0 ecs acme api"
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echo " $0 rds acme main"
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echo " $0 dynamodb acme orders"
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echo " $0 eventbus acme events"
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echo " $0 stepfn acme order-processor"
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exit 1
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}
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# Validate input
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if [ -z "$TYPE" ] || [ -z "$TENANT" ] || [ -z "$NAME" ]; then
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usage
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fi
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# Validate tenant and name format (security: prevent command injection)
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validate_name "$TENANT" "tenant"
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validate_name "$NAME" "name"
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# Map type to template directory
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case $TYPE in
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ecs)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/ecs-fargate"
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;;
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events)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/eventbridge-rules"
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;;
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eks)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/eks-cluster"
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;;
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lambda)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/lambda-function"
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;;
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rds)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/rds-database"
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;;
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aurora)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/aurora-serverless"
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;;
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dynamodb)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/dynamodb-table"
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;;
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redis)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/elasticache-redis"
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;;
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opensearch)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/opensearch"
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;;
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s3)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/s3-bucket"
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;;
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ecr)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/ecr-repository"
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;;
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sns)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/sns-topic"
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;;
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params)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/ssm-parameters"
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;;
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cognito)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/cognito-auth"
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;;
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ses)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/ses-email"
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;;
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secrets)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/secrets-manager"
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;;
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apigw)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/api-gateway"
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;;
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sqs)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/sqs-queue"
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;;
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eventbus)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/eventbridge-bus"
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;;
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stepfn)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/step-function"
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;;
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static)
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TEMPLATE_DIR="$TF_DIR/05-workloads/_template/static-site"
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;;
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*)
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echo -e "${RED}Unknown type: $TYPE${NC}"
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usage
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;;
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esac
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WORKLOAD_NAME="${TENANT}-${NAME}"
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WORKLOAD_DIR="$TF_DIR/05-workloads/$WORKLOAD_NAME"
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# Check if workload already exists
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if [ -d "$WORKLOAD_DIR" ]; then
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echo -e "${RED}Workload '$WORKLOAD_NAME' already exists at: $WORKLOAD_DIR${NC}"
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exit 1
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fi
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# Check template exists
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if [ ! -f "$TEMPLATE_DIR/main.tf" ]; then
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echo -e "${RED}Template not found at: $TEMPLATE_DIR${NC}"
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exit 1
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fi
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# Check tenant exists
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if [ ! -d "$TF_DIR/04-tenants/$TENANT" ] && [ "$TENANT" != "_template" ]; then
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echo -e "${YELLOW}Warning: Tenant '$TENANT' doesn't exist yet.${NC}"
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echo "Create it first: ./scripts/new-tenant.sh $TENANT"
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echo ""
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read -p "Continue anyway? [y/N] " -n 1 -r
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echo
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if [[ ! $REPLY =~ ^[Yy]$ ]]; then
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exit 1
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fi
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fi
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echo -e "${GREEN}Creating workload: $WORKLOAD_NAME (type: $TYPE)${NC}"
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# Copy template
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cp -r "$TEMPLATE_DIR" "$WORKLOAD_DIR"
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# Replace placeholders
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find "$WORKLOAD_DIR" -type f -name "*.tf" -exec sed -i "s/<TENANT>/$TENANT/g" {} \;
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find "$WORKLOAD_DIR" -type f -name "*.tf" -exec sed -i "s/<APP>/$NAME/g" {} \;
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echo -e "${GREEN}✓ Created workload directory: $WORKLOAD_DIR${NC}"
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# Type-specific instructions
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echo ""
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echo -e "${YELLOW}Next steps:${NC}"
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echo ""
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echo "1. Edit the configuration:"
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echo " ${GREEN}vim $WORKLOAD_DIR/main.tf${NC}"
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echo ""
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case $TYPE in
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ecs)
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echo " Update these values:"
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echo " - container_image (ECR URL)"
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echo " - container_port"
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echo " - cpu, memory"
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echo " - desired_count, min_count, max_count"
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echo " - environment variables"
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echo " - secrets (ARNs)"
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;;
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eks)
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echo " Update these values:"
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echo " - cluster_version (1.29, 1.30, etc.)"
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echo " - node_groups (instance types, scaling config)"
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echo " - enable_fargate (for serverless pods)"
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echo " - admin_arns (IAM principals for cluster access)"
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echo " - cluster_endpoint_public (false for private-only)"
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echo ""
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echo " After apply, configure kubectl:"
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echo " aws eks update-kubeconfig --name ${TENANT}-prod"
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;;
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lambda)
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echo " Update these values:"
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echo " - runtime (python3.12, nodejs20.x, etc.)"
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echo " - handler"
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echo " - source_dir OR s3_bucket/s3_key OR image_uri"
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echo " - enable_vpc (true for database access)"
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echo " - enable_api (true for HTTP endpoint)"
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echo " - schedule_expression (for cron jobs)"
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;;
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rds)
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echo " Update these values:"
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echo " - engine (postgres, mysql, aurora-postgresql)"
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echo " - engine_version"
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echo " - instance_class"
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echo " - storage_gb"
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echo " - multi_az (true for prod)"
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;;
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redis)
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echo " Update these values:"
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echo " - engine_version (7.1, 7.0, etc.)"
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echo " - node_type (cache.t3.micro, cache.r6g.large)"
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echo " - num_cache_clusters (2 for Multi-AZ)"
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echo " - maxmemory_policy (volatile-lru, allkeys-lru)"
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;;
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s3)
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echo " Update these values:"
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echo " - lifecycle_rules (tiering, expiration)"
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echo " - enable_replication (cross-region DR)"
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echo " - lambda_notifications (event triggers)"
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echo " - cors_enabled (for web access)"
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;;
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ecr)
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echo " Update these values:"
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echo " - repositories (map of repo names)"
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echo " - lifecycle_policy (cleanup rules)"
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echo " - pull_access_accounts (cross-account)"
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echo " - replication_regions (multi-region)"
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;;
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sns)
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echo " Update these values:"
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echo " - subscriptions (Lambda, SQS, Email, HTTP)"
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echo " - filter_policy (message filtering)"
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echo " - fifo_topic (ordered delivery)"
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echo " - aws_service_principals (EventBridge, S3)"
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;;
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params)
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echo " Update these values:"
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echo " - parameters map (path -> value)"
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echo " - SecureString for sensitive values"
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echo " - Free for standard tier (4KB limit)"
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echo " - Cheaper than Secrets Manager"
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;;
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cognito)
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echo " Update these values:"
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echo " - app_clients (web, mobile, m2m)"
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echo " - password policy, MFA settings"
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echo " - social_providers (Google, Facebook)"
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echo " - custom_domain, lambda_triggers"
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;;
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ses)
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echo " Update these values:"
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echo " - domain, hosted_zone_id"
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echo " - email_identities (sender addresses)"
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echo " - tracking_options (open/click tracking)"
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echo " - DMARC policy"
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;;
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secrets)
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echo " Update these values:"
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echo " - secrets map (name -> config)"
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echo " - generate_password for auto-generated creds"
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echo " - rotation settings for RDS"
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echo " - allowed_accounts for cross-account"
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;;
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apigw)
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echo " Update these values:"
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echo " - lambda_integrations (path -> Lambda ARN)"
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echo " - domain_name, hosted_zone_id (custom domain)"
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echo " - usage_plans (quota/throttle)"
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echo " - cors_origins (CORS allowed origins)"
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;;
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sqs)
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echo " Update these values:"
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echo " - fifo_queue (true for exactly-once processing)"
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echo " - visibility_timeout_seconds"
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echo " - max_receive_count (DLQ threshold)"
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echo " - message_retention_seconds"
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;;
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dynamodb)
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echo " Update these values:"
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echo " - hash_key, range_key (primary key)"
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echo " - billing_mode (PAY_PER_REQUEST or PROVISIONED)"
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echo " - global_secondary_indexes"
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echo " - ttl_attribute (for auto-expiry)"
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;;
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eventbus)
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echo " Update these values:"
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echo " - event_rules (pattern matching and targets)"
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echo " - enable_archive (for event replay)"
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echo " - allowed_source_accounts (cross-account)"
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;;
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stepfn)
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echo " Update these values:"
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echo " - state_machine_definition (workflow JSON)"
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echo " - type (STANDARD or EXPRESS)"
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echo " - lambda_arns, dynamodb_arns, etc. (permissions)"
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echo " - schedule_expression (for scheduled runs)"
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;;
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static)
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echo " Update these values:"
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echo " - domain_name (e.g., www.example.com)"
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echo " - hosted_zone_id (Route53 zone)"
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echo " - price_class (PriceClass_100 cheapest)"
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echo ""
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echo " Deploy content:"
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echo " aws s3 sync ./dist s3://BUCKET --delete"
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;;
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esac
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echo ""
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echo "2. Initialize and apply:"
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echo " ${GREEN}cd $WORKLOAD_DIR${NC}"
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echo " ${GREEN}terraform init -backend-config=../../00-bootstrap/backend.hcl${NC}"
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echo " ${GREEN}terraform plan -var=\"state_bucket=YOUR_BUCKET\"${NC}"
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echo " ${GREEN}terraform apply -var=\"state_bucket=YOUR_BUCKET\"${NC}"
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echo ""
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