resource "aws_instance" "this" {
  ami                         = var.ami_id
  instance_type               = "t4g.small"
  subnet_id                   = aws_subnet.public.id
  private_ip                  = local.collector_private_ip
  vpc_security_group_ids      = [aws_security_group.this.id]
  iam_instance_profile        = aws_iam_instance_profile.this.name
  associate_public_ip_address = true
  user_data                   = local.user_data
  user_data_replace_on_change = true

  root_block_device {
    volume_size = 20
    volume_type = "gp3"
    encrypted   = true
  }

  metadata_options {
    http_endpoint = "enabled"
    http_tokens   = "required"
  }

  tags = {
    Name = "syslog-server"
  }
}

locals {
  user_data = templatefile("${path.module}/user_data.sh.tftpl", {
    vector_yaml = templatefile("${path.module}/vector.yaml.tftpl", {
      aws_region      = var.aws_region
      firehose_stream = aws_kinesis_firehose_delivery_stream.unifi.name
    })
  })
}