From beaa2808faacb4ea3f1dab66bc76dcda059b921f Mon Sep 17 00:00:00 2001
From: Yeliz Henden <yeliz.henden@mongodb.com>
Date: Thu, 31 Jul 2025 15:31:39 +0100
Subject: [PATCH] CLOUDP-308270: Validation of parent and child paths with
 exceptions (PoC for root path exception inheritance)

---
 openapi/.raw/v2.json                          | 51 +++++++++++++++++++
 ...ternatesBetweenResourceNameAndPathParam.js | 26 ++++++++--
 2 files changed, 74 insertions(+), 3 deletions(-)

diff --git a/openapi/.raw/v2.json b/openapi/.raw/v2.json
index da604d0d01..9961be62d4 100644
--- a/openapi/.raw/v2.json
+++ b/openapi/.raw/v2.json
@@ -53063,6 +53063,57 @@
       "x-xgen-IPA-exception": {
         "xgen-IPA-102-path-alternate-resource-name-path-param": "API predates IPA validation"
       }
+    },
+        "/api/atlas/v2/alertConfigs/matchers/fieldNames/{fieldId}": {
+      "get": {
+        "description": "Get all field names that the `matchers.fieldName` parameter accepts when you create or update an Alert Configuration. You can successfully call this endpoint with any assigned role.",
+        "operationId": "listAlertConfigurationMatchersFieldNames",
+        "parameters": [
+          {
+            "$ref": "#/components/parameters/envelope"
+          },
+          {
+            "$ref": "#/components/parameters/pretty"
+          }
+        ],
+        "responses": {
+          "200": {
+            "content": {
+              "application/vnd.atlas.2023-01-01+json": {
+                "schema": {
+                  "items": {
+                    "$ref": "#/components/schemas/MatcherFieldView"
+                  },
+                  "type": "array",
+                  "x-xgen-IPA-exception": {
+                    "xgen-IPA-124-array-max-items": "Schema predates IPA validation"
+                  }
+                },
+                "x-xgen-version": "2023-01-01"
+              }
+            },
+            "description": "OK"
+          },
+          "401": {
+            "$ref": "#/components/responses/unauthorized"
+          },
+          "403": {
+            "$ref": "#/components/responses/forbidden"
+          },
+          "404": {
+            "$ref": "#/components/responses/notFound"
+          },
+          "500": {
+            "$ref": "#/components/responses/internalServerError"
+          }
+        },
+        "summary": "Return All Alert Configuration Matchers Field Names",
+        "tags": [
+          "Alert Configurations"
+        ],
+        "x-xgen-docs-url": "https://mongodb.com/docs/atlas/reference/api-resources-spec/v2/#tag/Alert-Configurations/operation/listAlertConfigurationMatchersFieldNames",
+        "x-xgen-owner-team": "CAP"
+      }
     },
     "/api/atlas/v2/clusters": {
       "get": {
diff --git a/tools/spectral/ipa/rulesets/functions/IPA102EachPathAlternatesBetweenResourceNameAndPathParam.js b/tools/spectral/ipa/rulesets/functions/IPA102EachPathAlternatesBetweenResourceNameAndPathParam.js
index ed60186e9d..20663f1cfd 100644
--- a/tools/spectral/ipa/rulesets/functions/IPA102EachPathAlternatesBetweenResourceNameAndPathParam.js
+++ b/tools/spectral/ipa/rulesets/functions/IPA102EachPathAlternatesBetweenResourceNameAndPathParam.js
@@ -28,6 +28,25 @@ const validatePathStructure = (elements) => {
   });
 };
 
+const findExceptionInPathHierarchy = (oas, currentPath, ruleName) => {
+  // Check current path first
+  if (hasException(oas.paths[currentPath], ruleName)) {
+    return currentPath;
+  }
+
+  // Check parent paths by removing segments from the end
+  const pathSegments = currentPath.split('/').filter(segment => segment !== '');
+
+  for (let i = pathSegments.length - 1; i > 0; i--) {
+    const parentPath = '/' + pathSegments.slice(0, i).join('/');
+    if (oas.paths[parentPath] && hasException(oas.paths[parentPath], ruleName)) {
+      return parentPath;
+    }
+  }
+
+  return null;
+}
+
 export default (input, _, { path, documentInventory }) => {
   const oas = documentInventory.resolved;
 
@@ -41,8 +60,9 @@ export default (input, _, { path, documentInventory }) => {
     return;
   }
 
-  if (hasException(oas.paths[input], RULE_NAME)) {
-    collectException(oas.paths[input], RULE_NAME, path);
+  const exceptionPath = findExceptionInPathHierarchy(oas, input, RULE_NAME);
+  if (exceptionPath) {
+    collectException(oas.paths[exceptionPath], RULE_NAME, path);
     return;
   }
 
@@ -64,4 +84,4 @@ function checkViolationsAndReturnErrors(suffixWithLeadingSlash, path) {
   } catch (e) {
     handleInternalError(RULE_NAME, path, e);
   }
-}
+}
\ No newline at end of file