Merge pull request etcd-io#16490 from fuweid/bp-16464

[3.5] api: fix duplicate gateway url issue

Documentation/dev-guide/apispec/swagger/rpc.swagger.json

@@ -1276,6 +1276,39 @@
       }
     },
     "/v3/maintenance/hash": {
+      "post": {
+        "tags": [
+          "Maintenance"
+        ],
+        "summary": "Hash computes the hash of whole backend keyspace,\nincluding key, lease, and other buckets in storage.\nThis is designed for testing ONLY!\nDo not rely on this in production with ongoing transactions,\nsince Hash operation does not hold MVCC locks.\nUse \"HashKV\" API instead for \"key\" bucket consistency checks.",
+        "operationId": "Maintenance_Hash",
+        "parameters": [
+          {
+            "name": "body",
+            "in": "body",
+            "required": true,
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbHashRequest"
+            }
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "A successful response.",
+            "schema": {
+              "$ref": "#/definitions/etcdserverpbHashResponse"
+            }
+          },
+          "default": {
+            "description": "An unexpected error response",
+            "schema": {
+              "$ref": "#/definitions/runtimeError"
+            }
+          }
+        }
+      }
+    },
+    "/v3/maintenance/hashkv": {
       "post": {
         "tags": [
           "Maintenance"