terraform-rk-app

===========

Terraform Module for deploying RK App clusters

This module contains a .terraform-version file which matches the version of Terraform we currently use to test with.

Introduction and Assumptions

Module Input Variables

Required

• env - Environment
• app - Name of application
• ami_id - ID of AMI to deploy via launch configuration
• vpc_id - VPC ID in which to provision resources
• asg_subnets - List of subnet IDs in which to create app server instances
• iam_instance_profile - ARN of IAM profile to associate with app server instances
• key_name - EC2 key name to be used for access to app server instances
• alb_security_group_id - Security group ID associated with load balancer
• bastion_security_group_id - Security group ID associated with bastion host

Optional

• alb_listener_arn - ARN of ALB listener to which target group should be registered
• default_cooldown - The amount of time, in seconds, after a scaling activity completes before another scaling activity can start. (default: 60)
• max_size - Maximum size of auto scaling group (default: 4)
• min_size - Minimum size of auto scaling group (default: 2)
• health_check_grace_period - Time in seconds to wait before beginning health checks (default: 120)
• health_check_type - Type of health check to apply (default: ELB)
• wait_for_capacity_timeout - Time in seconds to wait for capacity changes to complete (default: 10m)
• instance_type - Type of EC2 instance to use for app servers (default: t2.micro)
• port - Numeric port on which the application listens (default: 8080)
• protocol - Protocol on which the application listens (default: HTTP)
• health_check_path - URL path for HTTP health check (default: /healthcheck)
• health_check_interval - Interval in seconds for load balancer health checks (default: 15)
• health_check_timeout - Time in seconds before load balancer health check times out (default: 5)
• health_check_healthy_threshold - Number of consecutive successful health checks before service is healthy (default: 2)
• health_check_unhealthy_threshold - Number of consecutive failed health checks before service is unhealthy (default: 4)
• health_check_healthy_codes - HTTP response codes to be considered healthy (default: 200,302)
• associate_public_ip_address - Associate a public IP address with app server instances (default: false)

Usage

Outputs

• target_group_arn - (String) ARN of the target group
• target_group_arn_suffix - (String) Target Group ARN suffix
• target_group_name - (String) Target Group Name
• ami_name - (String) AMI Name
• autoscaling_group_arn - (String) The ARN for this AutoScaling Group
• autoscaling_group_id - (String) The autoscaling group id
• autoscaling_group_name - (String) The name of the autoscale group

Authors

• Tim Hartmann
• Steve Huff License =======

MIT