hard example

internal/migrate/examples/aws-v3-to-v4/hard.tf

@@ -0,0 +1,56 @@
+variable "acl_policy" {
+  type = string
+}
+
+locals {
+  versioning     = var.acl_policy == "public"
+  sse_algorithms = ["aws:mks"]
+}
+
+resource "aws_s3_bucket" "assets" {
+  bucket = "my-app-assets"
+
+  versioning {
+    enabled = locals.versioning
+  }
+
+  dynamic "server_side_encryption_configuration" {
+    for_each = locals.sse_algorithms
+    content {
+      rule {
+        apply_server_side_encryption_by_default {
+          sse_algorithm = each.key
+        }
+      }
+    }
+  }
+
+  acl = var.acl_policy
+}
+
+resource "aws_s3_bucket" "another" {
+  bucket = "foo"
+
+  // We want the same SSE as with the other bucket
+  dynamic "server_side_encription_configuration" {
+    for_each = toset(aws_s3_bucket.assets.server_side_encryption_configuration.*.rule.apply_server_side_encryption_by_default.sse_algorithm)
+
+    content {
+      rule {
+        apply_server_side_encryption_by_default {
+          sse_algorithm = each.key
+        }
+      }
+    }
+  }
+}
+
+resource "aws_instance" "name" {
+  for_each = toset([aws_s3_bucket.assets, aws_s3_bucket.another])
+
+  name = each.value.server_side_encription_configuration.rule.apply_server_side_encryption_by_default.sse_algorithm
+}
+
+output "sse_policies" {
+  value = aws_s3_bucket.assets.server_side_encryption_configuration.*.rule.apply_server_side_encryption_by_default.sse_algorithm
+}