Merge pull request #15954 from javanna/enhancement/get_alias_expand_closed

make get alias expand to open and closed indices by default

core/src/main/java/org/elasticsearch/action/admin/indices/alias/get/GetAliasesRequest.java

@@ -35,7 +35,7 @@ public class GetAliasesRequest extends MasterNodeReadRequest<GetAliasesRequest>
     private String[] indices = Strings.EMPTY_ARRAY;
     private String[] aliases = Strings.EMPTY_ARRAY;
 
-    private IndicesOptions indicesOptions = IndicesOptions.strictExpandOpen();
+    private IndicesOptions indicesOptions = IndicesOptions.strictExpand();
 
     public GetAliasesRequest(String[] aliases) {
         this.aliases = aliases;

rest-api-spec/src/main/resources/rest-api-spec/test/cat.aliases/10_basic.yaml

@@ -188,3 +188,31 @@
                 index \s+ alias \n
                 test  \s+ test_1 \n
             $/
+
+---
+"Alias against closed index":
+
+  - do:
+      indices.create:
+        index: test_index
+        body:
+          aliases:
+            test_alias: {}
+
+  - do:
+      indices.close:
+        index: test_index
+
+  - do:
+      cat.aliases: {}
+
+  - match:
+      $body: |
+                /^
+                    test_alias          \s+
+                    test_index          \s+
+                    -                   \s+
+                    -                   \s+
+                    -                   \s+
+                $/
+

rest-api-spec/src/main/resources/rest-api-spec/test/indices.get_alias/10_basic.yaml

@@ -205,3 +205,25 @@ setup:
   - is_true: test_index
 
   - is_true: test_index_2
+
+---
+"Get alias against closed indices":
+
+  - do:
+      indices.close:
+        index: test_index_2
+
+  - do:
+      indices.get_alias:
+        name: test_alias
+
+  - is_true: test_index
+  - is_true: test_index_2
+
+  - do:
+      indices.get_alias:
+        name: test_alias
+        expand_wildcards: open
+
+  - is_true: test_index
+  - is_false: test_index_2