feat(terraform): Added new Terraform-AWS python IAMUserNotUsedForAccess(CKV_AWS_273) policy

checkov/terraform/checks/resource/aws/IAMUserNotUsedForAccess.py

@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+from typing import Any
+
+from checkov.common.models.enums import CheckCategories, CheckResult
+from checkov.terraform.checks.resource.base_resource_check import BaseResourceCheck
+
+
+class IAMUserNotUsedForAccess(BaseResourceCheck):
+    def __init__(self) -> None:
+        name = "Ensure access is controlled through SSO and not AWS IAM defined users"
+        id = "CKV_AWS_273"
+        supported_resources = ('aws_iam_user',)
+        categories = (CheckCategories.IAM,)
+        super().__init__(name=name, id=id, categories=categories, supported_resources=supported_resources)
+
+    def scan_resource_conf(self, conf: dict[str, list[Any]]) -> CheckResult:
+        return CheckResult.FAILED
+
+
+check = IAMUserNotUsedForAccess()

tests/terraform/checks/resource/aws/example_IAMUserNotUsedForAccess/iam.tf

@@ -0,0 +1,11 @@
+# fail
+resource "aws_iam_user" "bad" {
+  name = "example"
+  path = "/system/"
+
+  tags = {
+    tag-key = "tag-value"
+  }
+}
+
+

tests/terraform/checks/resource/aws/test_IAMUserNotUsedForAccess.py

@@ -0,0 +1,39 @@
+import unittest
+from pathlib import Path
+
+from checkov.runner_filter import RunnerFilter
+from checkov.terraform.checks.resource.aws.IAMUserNotUsedForAccess import check
+from checkov.terraform.runner import Runner
+
+
+class TestIAMUserNotUsedForAccess(unittest.TestCase):
+    def test(self):
+        # given
+        test_files_dir = Path(__file__).parent / "example_IAMUserNotUsedForAccess"
+
+        # when
+        report = Runner().run(root_folder=str(test_files_dir), runner_filter=RunnerFilter(checks=[check.id]))
+
+        # then
+        summary = report.get_summary()
+
+        passing_resources = set()
+        failing_resources = {
+            "aws_iam_user.bad",
+        }
+
+        passed_check_resources = {c.resource for c in report.passed_checks}
+        failed_check_resources = {c.resource for c in report.failed_checks}
+
+        self.assertEqual(summary["passed"], len(passing_resources))
+        self.assertEqual(summary["failed"], len(failing_resources))
+        self.assertEqual(summary["skipped"], 0)
+        self.assertEqual(summary["parsing_errors"], 0)
+
+        self.assertEqual(passing_resources, passed_check_resources)
+        self.assertEqual(failing_resources, failed_check_resources)
+
+
+if __name__ == "__main__":
+    unittest.main()
+