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D8636.1768476236.diff
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diff --git a/services/terraform/remote/service_feature_flags.tf b/services/terraform/remote/service_feature_flags.tf
new file mode 100644
--- /dev/null
+++ b/services/terraform/remote/service_feature_flags.tf
@@ -0,0 +1,203 @@
+locals {
+ feature_flags_image_tag = "0.1"
+ feature_flags_container_name = "feature-flags-server"
+ feature_flags_container_port = 50051
+ feature_flags_server_image = "commapp/feature-flags:${local.feature_flags_image_tag}"
+}
+
+# Task definition - defines container resources, ports,
+# environment variables, docker image etc.
+resource "aws_ecs_task_definition" "feature_flags" {
+ family = "feature-flags-service-task-def"
+ container_definitions = jsonencode([
+ {
+ name = local.feature_flags_container_name
+ image = local.feature_flags_server_image
+ essential = true
+ portMappings = [
+ {
+ name = "feature-flags-50051-http"
+ containerPort = local.feature_flags_container_port
+ protocol = "tcp"
+ appProtocol = "http"
+ }
+ ]
+ environment = [
+ {
+ name = "RUST_LOG"
+ value = "info"
+ }
+ ]
+ logConfiguration = {
+ "logDriver" = "awslogs"
+ "options" = {
+ "awslogs-create-group" = "true"
+ "awslogs-group" = "/ecs/feature-flags-task-def"
+ "awslogs-region" = "us-east-2"
+ "awslogs-stream-prefix" = "ecs"
+ }
+ }
+ }
+ ])
+ task_role_arn = aws_iam_role.feature_flags_service.arn
+ execution_role_arn = aws_iam_role.ecs_task_execution.arn
+ network_mode = "awsvpc"
+ cpu = "256"
+ memory = "512"
+ requires_compatibilities = ["EC2", "FARGATE"]
+
+ # Set this to true if you want to keep old revisions
+ # when this definition is changed
+ skip_destroy = true
+}
+
+# ECS Service - defines task scaling, load balancer connection,
+# network configuration etc.
+resource "aws_ecs_service" "feature_flags" {
+ name = "feature-flags-service"
+ cluster = aws_ecs_cluster.comm_services.id
+ launch_type = "FARGATE"
+
+ task_definition = aws_ecs_task_definition.feature_flags.arn
+ force_new_deployment = true
+
+ desired_count = 1
+ # Allow external changes without Terraform plan difference
+ # We can freely specify replica count in AWS Console
+ lifecycle {
+ ignore_changes = [desired_count]
+ }
+
+ load_balancer {
+ target_group_arn = aws_lb_target_group.feature_flags_ecs.arn
+ container_name = local.feature_flags_container_name
+ container_port = local.feature_flags_container_port
+ }
+
+ network_configuration {
+ assign_public_ip = true
+ security_groups = [
+ aws_security_group.feature_flags.id,
+ ]
+ subnets = [
+ aws_subnet.public_a.id,
+ aws_subnet.public_b.id,
+ aws_subnet.public_c.id,
+ ]
+ }
+
+ deployment_circuit_breaker {
+ enable = true
+ rollback = true
+ }
+}
+
+# Running service instances are registered here
+# to be accessed by the load balancer
+resource "aws_lb_target_group" "feature_flags_ecs" {
+ name = "feature-flags-ecs-tg"
+ port = local.feature_flags_container_port
+ protocol = "HTTP"
+ vpc_id = aws_vpc.default.id
+
+ # ECS Fargate requires target type set to IP
+ target_type = "ip"
+
+ health_check {
+ enabled = true
+ healthy_threshold = 2
+ unhealthy_threshold = 3
+
+ protocol = "HTTP"
+ # The features endpoint should return HTTP 400
+ # if no platform, staff, code version is specified
+ path = "/features"
+ matcher = "200-499"
+ }
+}
+
+# Security group to configure access to the service
+resource "aws_security_group" "feature_flags" {
+ name = "feature-flags-service-sg"
+ vpc_id = aws_vpc.default.id
+
+ ingress {
+ from_port = local.feature_flags_container_port
+ to_port = local.feature_flags_container_port
+ protocol = "tcp"
+ cidr_blocks = ["0.0.0.0/0"]
+ description = "HTTP port"
+ }
+
+ # Allow all outbound traffic
+ egress {
+ from_port = 0
+ to_port = 0
+ protocol = "-1"
+ cidr_blocks = ["0.0.0.0/0"]
+ }
+
+ lifecycle {
+ create_before_destroy = true
+ }
+}
+
+# Load Balancer
+resource "aws_lb" "feature_flags" {
+ load_balancer_type = "application"
+ name = "feature-flags-service-lb"
+ internal = false
+ #security_groups = [aws_security_group.feature_flags.id]
+ subnets = [
+ aws_subnet.public_a.id,
+ aws_subnet.public_b.id,
+ aws_subnet.public_c.id,
+ ]
+}
+
+resource "aws_lb_listener" "feature_flags_https" {
+ load_balancer_arn = aws_lb.feature_flags.arn
+ port = "443"
+ protocol = "HTTPS"
+ ssl_policy = "ELBSecurityPolicy-2016-08"
+ certificate_arn = data.aws_acm_certificate.feature_flags.arn
+
+ default_action {
+ type = "forward"
+
+ forward {
+ # ECS target group
+ target_group {
+ arn = aws_lb_target_group.feature_flags_ecs.arn
+ weight = 10
+ }
+
+ # Legacy EC2 Target
+ target_group {
+ arn = data.aws_lb_target_group.feature_flags_legacy_ec2.arn
+ weight = 0
+ }
+ }
+ }
+
+ lifecycle {
+ # Required only for existing resources to avoid plan difference
+ ignore_changes = [default_action[0].forward[0].stickiness[0].duration]
+ }
+}
+
+# SSL Certificate
+data "aws_acm_certificate" "feature_flags" {
+ domain = "feature-flags.commtechnologies.org"
+ statuses = ["ISSUED"]
+}
+
+# Legacy EC2 instance target
+data "aws_lb_target_group" "feature_flags_legacy_ec2" {
+ name = "feature-flags-service-tg"
+}
+
+# Required for Route53 DNS record
+output "feature_flags_load_balancer_dns_name" {
+ value = aws_lb.feature_flags.dns_name
+}

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