Merge pull request #5 from isovalent/add-bastion-vars

Add additional vars to bastion

main.tf

@@ -133,8 +133,12 @@ module "bastion" {
   source  = "cloudposse/ec2-bastion-server/aws"
   version = "0.30.1"
 
+  ami_filter                  = { name = [var.bastion_host_ami_name_filter] }
+  ami_owners                  = var.bastion_host_ami_owners
+  ami                         = var.bastion_host_ami_id
   associate_public_ip_address = var.bastion_host_assign_public_ip
   enabled                     = var.bastion_host_enabled
+  instance_type               = var.bastion_host_instance_type
   key_name                    = aws_key_pair.bastion[0].key_name
   name                        = "${var.name}-bastion"
   security_groups             = var.bastion_host_extra_security_groups

variables.tf

@@ -44,6 +44,25 @@ variable "additional_public_subnets" {
   }))
 }
 
+variable "bastion_host_ami_name_filter" {
+  description = "The AMI filter to use for the bastion host's AMI."
+  type        = string
+  default     = "amzn2-ami-hvm-2.*-x86_64-ebs"
+
+}
+
+variable "bastion_host_ami_owners" {
+  description = "The list of owners used to select the AMI."
+  type        = list(string)
+  default     = ["amazon"]
+}
+
+variable "bastion_host_ami_id" {
+  type        = string
+  description = "The ID of the AIM to use for the instance. Setting this will ignore `bastion_host_ami_name_filter` and `bastion_host_ami_owners`."
+  default     = null
+}
+
 variable "bastion_host_assign_public_ip" {
   default     = false
   description = "Whether to assign a public IP address to the bastion host."
@@ -62,6 +81,12 @@ variable "bastion_host_extra_security_groups" {
   type        = list(string)
 }
 
+variable "bastion_host_instance_type" {
+  type        = string
+  default     = "t2.micro"
+  description = "The instance type to use for the bastion host."
+}
+
 variable "bastion_host_ssh_public_key" {
   default     = ""
   description = "If specified, will be used as the public SSH key for the bastion host."