Fix create or update alias API doesn't throw exception for unsupported parameters

CHANGELOG.md

@@ -63,6 +63,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 - Fix FuzzyQuery in keyword field will use IndexOrDocValuesQuery when both of index and doc_value are true ([#14378](https://github.com/opensearch-project/OpenSearch/pull/14378))
 - Fix file cache initialization ([#14004](https://github.com/opensearch-project/OpenSearch/pull/14004))
 - Handle NPE in GetResult if "found" field is missing ([#14552](https://github.com/opensearch-project/OpenSearch/pull/14552))
+- Fix create or update alias API doesn't throw exception for unsupported parameters ([#14719](https://github.com/opensearch-project/OpenSearch/pull/14719))
 - Refactoring FilterPath.parse by using an iterative approach ([#14200](https://github.com/opensearch-project/OpenSearch/pull/14200))
 - Refactoring Grok.validatePatternBank by using an iterative approach ([#14206](https://github.com/opensearch-project/OpenSearch/pull/14206))
 

rest-api-spec/src/main/resources/rest-api-spec/api/indices.put_alias.json

@@ -40,6 +40,62 @@
               "description":"The name of the alias to be created or updated"
             }
           }
+        },
+        {
+          "path":"/{index}/_alias",
+          "methods":[
+            "PUT"
+          ],
+          "parts":{
+            "index":{
+              "type":"list",
+              "description":"A comma-separated list of index names the alias should point to (supports wildcards); use `_all` to perform the operation on all indices."
+            }
+          }
+        },
+        {
+          "path":"/{index}/_aliases",
+          "methods":[
+            "PUT"
+          ],
+          "parts":{
+            "index":{
+              "type":"list",
+              "description":"A comma-separated list of index names the alias should point to (supports wildcards); use `_all` to perform the operation on all indices."
+            }
+          }
+        },
+        {
+          "path":"/_alias/{name}",
+          "methods":[
+            "PUT",
+            "POST"
+          ],
+          "parts":{
+            "name":{
+              "type":"string",
+              "description":"The name of the alias to be created or updated"
+            }
+          }
+        },
+        {
+          "path":"/_aliases/{name}",
+          "methods":[
+            "PUT",
+            "POST"
+          ],
+          "parts":{
+            "name":{
+              "type":"string",
+              "description":"The name of the alias to be created or updated"
+            }
+          }
+        },
+        {
+          "path":"/_alias",
+          "methods":[
+            "PUT"
+          ]
         }
       ]
     },

rest-api-spec/src/main/resources/rest-api-spec/test/indices.put_alias/10_basic.yml

@@ -28,6 +28,36 @@
 
   - match: {test_index.aliases.test_alias: {}}
 
+  - do:
+      indices.put_alias:
+        index: test_index
+        body: {"alias": "test_alias_1"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias_1
+
+  - match: {test_index.aliases.test_alias_1: {}}
+
+  - do:
+      indices.put_alias:
+        name: test_alias_2
+        body: {"index": "test_index"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias_2
+
+  - match: {test_index.aliases.test_alias_2: {}}
+
+  - do:
+      catch: bad_request
+      indices.put_alias:
+        index: null
+        name: null
+
 ---
 "Can't create alias with invalid characters":
 
@@ -102,3 +132,179 @@
         index: test_index
         name: test_alias
   - match: {test_index.aliases.test_alias: {"filter": {"range": {"date_nanos_field": {"gt": "now-7d/d"}}}}}
+
+---
+"Can set index_routing":
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      indices.put_alias:
+        index: test_index
+        name: test_alias
+        body:
+          index_routing: "test"
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { 'index_routing': "test" }}
+
+---
+"Can set routing":
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      indices.put_alias:
+        index: test_index
+        name: test_alias
+        body:
+          routing: "test"
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { 'index_routing': "test", 'search_routing': "test" }}
+
+---
+"Can set search_routing":
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      indices.put_alias:
+        index: test_index
+        name: test_alias
+        body:
+          search_routing: "test"
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { 'search_routing': "test" }}
+
+---
+"Index parameter supports multiple values":
+  - do:
+      indices.create:
+        index: test_index
+  - do:
+      indices.create:
+        index: test_index1
+
+  - do:
+      indices.put_alias:
+        index: test_index,test_index1
+        name: test_alias
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { }}
+  - do:
+      indices.get_alias:
+        index: test_index1
+        name: test_alias
+  - match: {test_index1.aliases.test_alias: { }}
+
+  - do:
+      indices.put_alias:
+        body: {"index": "test_index,test_index1", "alias": "test_alias_1"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias_1
+  - match: {test_index.aliases.test_alias_1: { }}
+  - do:
+      indices.get_alias:
+        index: test_index1
+        name: test_alias_1
+  - match: {test_index1.aliases.test_alias_1: { }}
+
+---
+"Index and alias in request body can override path parameters":
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      indices.put_alias:
+        index: test_index_unknown
+        name: test_alias
+        body: {"index": "test_index"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { }}
+
+  - do:
+      indices.put_alias:
+        index: test_index
+        name: test_alias_unknown
+        body: {"alias": "test_alias_2"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias_2
+  - match: {test_index.aliases.test_alias_2: { }}
+
+  - do:
+      indices.put_alias:
+        body: {"index": "test_index", "alias": "test_alias_3"}
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias_3
+  - match: {test_index.aliases.test_alias_3: { }}
+
+---
+"Can set is_hidden":
+  - skip:
+      version: " - 2.99.99"
+      reason: "Fix was introduced in 3.0.0"
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      indices.put_alias:
+        index: test_index
+        name: test_alias
+        body:
+          is_hidden: true
+
+  - do:
+      indices.get_alias:
+        index: test_index
+        name: test_alias
+  - match: {test_index.aliases.test_alias: { 'is_hidden': true }}
+
+---
+"Throws exception with invalid parameters":
+  - skip:
+      version: " - 2.99.99"
+      reason: "Fix was introduced in 3.0.0"
+
+  - do:
+      indices.create:
+        index: test_index
+
+  - do:
+      catch: /unknown field \[abc\]/
+      indices.put_alias:
+        index: test_index
+        name: test_alias
+        body: {"abc": 1}

server/src/main/java/org/opensearch/rest/action/admin/indices/RestIndexPutAliasAction.java

@@ -92,6 +92,7 @@
         String indexRouting = null;
         String searchRouting = null;
         Boolean writeIndex = null;
+        Boolean isHidden = null;
 
         if (request.hasContent()) {
             try (XContentParser parser = request.contentParser()) {
@@ -120,10 +121,16 @@
                                     searchRouting = parser.textOrNull();
                                 } else if ("is_write_index".equals(currentFieldName)) {
                                     writeIndex = parser.booleanValue();
+                                } else if ("is_hidden".equals(currentFieldName)) {
+                                    isHidden = parser.booleanValue();
+                                } else {
+                                    throw new IllegalArgumentException("unknown field [" + currentFieldName + "]");
                                 }
                     } else if (token == XContentParser.Token.START_OBJECT) {
                         if ("filter".equals(currentFieldName)) {
                             filter = parser.mapOrdered();
+                        } else {
+                            throw new IllegalArgumentException("unknown field [" + currentFieldName + "]");
                         }
                     }
                 }
@@ -153,6 +160,9 @@
         if (writeIndex != null) {
             aliasAction.writeIndex(writeIndex);
         }
+        if (isHidden != null) {
+            aliasAction.isHidden(isHidden);
+        }
         indicesAliasesRequest.addAliasAction(aliasAction);
         return channel -> client.admin().indices().aliases(indicesAliasesRequest, new RestToXContentListener<>(channel));
     }