feat: allow for extra_container_definitions (#162)

Author: marcoceppi

README.md

@@ -238,6 +238,7 @@ allow_github_webhooks        = true
 | ecs\_task\_memory | The amount (in MiB) of memory used by the task | `number` | `512` | no |
 | entrypoint | The entry point that is passed to the container | `list(string)` | `null` | no |
 | essential | Determines whether all other containers in a task are stopped, if this container fails or stops for any reason. Due to how Terraform type casts booleans in json it is required to double quote this value | `bool` | `true` | no |
+| extra\_container\_definitions | A list of valid container definitions provided as a single valid JSON document. These will be provided as supplimentary to the main Atlantis container definition | `list(any)` | `[]` | no |
 | firelens\_configuration | The FireLens configuration for the container. This is used to specify and configure a log router for container logs. For more details, see https://docs.aws.amazon.com/AmazonECS/latest/APIReference/API_FirelensConfiguration.html | <pre>object({<br>    type    = string<br>    options = map(string)<br>  })</pre> | `null` | no |
 | github\_webhooks\_cidr\_blocks | List of CIDR blocks used by GitHub webhooks | `list(string)` | <pre>[<br>  "140.82.112.0/20",<br>  "185.199.108.0/22",<br>  "192.30.252.0/22"<br>]</pre> | no |
 | internal | Whether the load balancer is internal or external | `bool` | `false` | no |

main.tf

@@ -28,7 +28,7 @@ locals {
   alb_authenication_method = length(keys(var.alb_authenticate_oidc)) > 0 ? "authenticate-oidc" : length(keys(var.alb_authenticate_cognito)) > 0 ? "authenticate-cognito" : "forward"
 
   # Container definitions
-  container_definitions = var.custom_container_definitions == "" ? var.atlantis_bitbucket_user_token != "" ? module.container_definition_bitbucket.json_map_encoded_list : module.container_definition_github_gitlab.json_map_encoded_list : var.custom_container_definitions
+  container_definitions = var.custom_container_definitions == "" ? var.atlantis_bitbucket_user_token != "" ? jsonencode(concat([module.container_definition_bitbucket.json_map_object], var.extra_container_definitions)) : jsonencode(concat([module.container_definition_github_gitlab.json_map_object], var.extra_container_definitions)) : var.custom_container_definitions
 
   container_definition_environment = [
     {

variables.tf

@@ -293,6 +293,12 @@ variable "custom_container_definitions" {
   default     = ""
 }
 
+variable "extra_container_definitions" {
+  description = "A list of valid container definitions provided as a single valid JSON document. These will be provided as supplimentary to the main Atlantis container definition"
+  type        = list(any)
+  default     = []
+}
+
 variable "entrypoint" {
   description = "The entry point that is passed to the container"
   type        = list(string)