SOLR-11327: MODIFYCOLLECTION should be able to edit policy attribute

solr/solr-ref-guide/src/collections-api.adoc

@@ -109,6 +109,8 @@ Replica placement rules. See the section <<rule-based-replica-placement.adoc#rul
 `snitch`::
 Details of the snitch provider. See the section <<rule-based-replica-placement.adoc#rule-based-replica-placement,Rule-based Replica Placement>> for details.
 
+`policy`:: Name of the collection-level policy. See <<solrcloud-autoscaling-policy-preferences.adoc#collection-specific-policy, Defining Collection-Specific Policies >> for details
+
 === CREATE Response
 
 The response will include the status of the request and the new core names. If the status is anything other than "success", an error message will explain why the request failed.
@@ -173,6 +175,7 @@ The attributes that can be modified are:
 * collection.configName
 * rule
 * snitch
+* policy
 +
 See the <<create,CREATE action>> section above for details on these attributes.
 

solr/solrj/src/resources/apispec/collections.Commands.json

@@ -101,6 +101,11 @@
             "type": "string"
           }
         },
+        "policy": {
+          "type": "string",
+          "documentation": "https://lucene.apache.org/solr/guide/solrcloud-autoscaling-policy-preferences.html",
+          "description": "Name of the collection-level policy"
+        },
         "properties": {
           "type": "object",
           "documentation": "https://lucene.apache.org/solr/guide/defining-core-properties.html",

solr/solrj/src/resources/apispec/collections.collection.Commands.modify.json

@@ -19,6 +19,11 @@
         "type": "string"
       }
     },
+    "policy": {
+      "type": "string",
+      "documentation": "https://lucene.apache.org/solr/guide/solrcloud-autoscaling-policy-preferences.html",
+      "description": "Name of the collection-level policy"
+    },
     "autoAddReplicas": {
       "type": "boolean",
       "description": "When set to true, enables auto addition of replicas on shared file systems (such as HDFS). See https://lucene.apache.org/solr/guide/running-solr-on-hdfs.html for more details on settings and overrides."