Initial Commit

Author: DimmKirr

.gitignore

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+.terraform
+*.tfstate*

LICENSE

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+MIT License
+
+Copyright (c) 2020-present HazelOps OÜ https://hazelops.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+test:
+	@echo "TBD: Linter"

README.md

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+# AWS ECS Nginx Terraform Module
+
+TBD

main.tf

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+data "aws_region" "current" {}
+
+locals {
+  secret_names = concat(var.secret_names, [
+    "PASSWORD"
+  ])
+
+  environment = merge(var.environment,
+    {
+      ECS_FARGATE = var.ecs_launch_type == "FARGATE" ? "true" : "false"
+    }
+  )
+
+  container_definition = {
+    name                 = var.name
+    image                = "${var.docker_image_name}:${var.docker_image_tag}",
+    memoryReservation    = var.docker_memory_reservation,
+    essential            = true,
+    resourceRequirements = var.resource_requirements
+
+    environment = [for k, v in local.environment : { name = k, value = v }]
+    secrets     = module.ssm.secrets
+
+    portMappings = [{
+      containerPort = var.docker_container_port,
+      // In case of bridge an host use a dynamic port (0)
+      hostPort = var.ecs_network_mode == "awsvpc" ? var.docker_container_port : 0
+    }]
+
+    // This is used to make sure the app container has started before starting proxy (for nginx config to be copied to a volume and for port reachibility)
+    dependsOn = [{
+      containerName = var.app_name,
+      condition     = "START"
+    }],
+
+    // This is used to map nginx config template from a volume (which can be created by the original app container)
+    mountPoints = var.enabled ? [
+      {
+        sourceVolume  = "nginx-templates",
+        containerPath = "/etc/nginx/templates/"
+      }
+    ] : []
+
+    logConfiguration = var.cloudwatch_log_group == "" ? {
+      logDriver = "json-file"
+      options   = {}
+      } : {
+      logDriver = "awslogs",
+      options = {
+        awslogs-group         = var.cloudwatch_log_group
+        awslogs-region        = data.aws_region.current.name
+        awslogs-stream-prefix = var.name
+      }
+    }
+  }
+}
+
+module "ssm" {
+  source   = "hazelops/ssm-secrets/aws"
+  version  = "~> 1.0"
+  env      = var.env
+  app_name = var.app_name
+  names    = var.enabled ? local.secret_names : []
+}

output.tf

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+output "container_definition" {
+  value = local.container_definition
+}

variables.tf

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+variable "env" {
+}
+
+variable "name" {
+  default = "nginx"
+}
+
+variable "app_name" {
+  type = string
+}
+
+
+variable "environment" {
+  type    = map(string)
+  default = {}
+}
+
+variable "secret_names" {
+  type    = list(string)
+  default = []
+}
+
+//variable "ecs_cluster" {
+//  type = string
+//}
+
+variable "docker_image_name" {
+  type    = string
+  default = "nginx"
+}
+
+variable "docker_image_tag" {
+  type    = string
+  default = "1.19.2-alpine"
+}
+
+variable "ecs_launch_type" {
+
+}
+
+variable "cloudwatch_log_group" {
+  default = ""
+}
+
+variable "docker_container_port" {
+  default = 80
+}
+
+variable "ecs_network_mode" {
+}
+
+variable "resource_requirements" {
+  default = []
+}
+
+variable "docker_memory_reservation" {
+  default = 128
+}
+
+
+variable "enabled" {
+  default = true
+}

versions.tf

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+terraform {
+  required_version = "~> 0.12.0"
+}