nhs-notify-digital-letters/infrastructure/terraform/components/dl/sns_topic.tf at 0a6fafd04923f1582cfe157b7e9e73fccf4e3211 · NHSDigital/nhs-notify-digital-letters · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
resource "aws_sns_topic" "main" {
  name = "${local.csi}-test"
}

resource "aws_sns_topic_policy" "sns_publish" {
  arn    = aws_sns_topic.main.arn
  policy = data.aws_iam_policy_document.sns_topic_policy_document.json
}

data "aws_iam_policy_document" "sns_topic_policy_document" {
  statement {
    sid    = "AllowCrossDomainEventBridgeToPublishMessageToSNS"
    effect = "Allow"

    principals {
      type        = "AWS"
      identifiers = [var.shared_infra_account_id]
    }

    actions = [
      "sns:Publish",
    ]

    resources = [
      aws_sns_topic.main.arn,
    ]

    condition {
      test     = "ArnLike"
      variable = "aws:SourceArn"
      values = [
        "arn:aws:events:${var.region}:${var.shared_infra_account_id}:rule/*-data-plane*"
      ]
    }
  }
}