xdr-terraform-modules/submodules/iam/base_instance_profile/instance_profile.tf

resource "aws_iam_instance_profile" "instance_profile" {
  name = "${ var.prefix }-instance-profile"
  path = "/instance/"
  role = aws_iam_role.instance_role.name
}

resource "aws_iam_role"  "instance_role" {
  name = "${ var.prefix }-instance-role"
  path = "/instance/"
  assume_role_policy = <<EOF
{
    "Version": "2012-10-17",
    "Statement": [
      {
        "Sid": "",
        "Effect": "Allow",
        "Principal": {
          "Service": [
            "ec2.amazonaws.com",
            "ssm.amazonaws.com"
            ]
        },
        "Action": "sts:AssumeRole"
      }
    ]
  }
EOF
}

# These 3 are the default profile attachments:
resource "aws_iam_role_policy_attachment" "instance_AmazonEC2RoleforSSM" {
  role       = aws_iam_role.instance_role.name
  policy_arn = "arn:${var.aws_partition}:iam::aws:policy/service-role/AmazonEC2RoleforSSM"
}

resource "aws_iam_role_policy_attachment" "instance_default_policy_attach" {
  role       = aws_iam_role.instance_role.name
  policy_arn = "arn:${ var.aws_partition }:iam::${ var.aws_account_id }:policy/launchroles/default_instance_tag_read"
}

resource "aws_iam_role_policy_attachment" "instance_cloudwatch_policy_attach" {
  role       = aws_iam_role.instance_role.name
  policy_arn = "arn:${ var.aws_partition }:iam::${ var.aws_account_id }:policy/cloudwatch_events"
}