add file path for settings

Author: jdconrad

libs/entitlement/src/main/java/org/elasticsearch/entitlement/initialization/EntitlementInitialization.java

@@ -68,6 +68,7 @@
 import java.util.stream.StreamSupport;
 
 import static org.elasticsearch.entitlement.runtime.policy.Platform.LINUX;
+import static org.elasticsearch.entitlement.runtime.policy.entitlements.FilesEntitlement.BaseDir.CONFIG;
 import static org.elasticsearch.entitlement.runtime.policy.entitlements.FilesEntitlement.BaseDir.DATA;
 import static org.elasticsearch.entitlement.runtime.policy.entitlements.FilesEntitlement.BaseDir.SHARED_REPO;
 import static org.elasticsearch.entitlement.runtime.policy.entitlements.FilesEntitlement.Mode.READ;
@@ -182,7 +183,8 @@ private static PolicyManager createPolicyManager() {
             FileData.ofPath(bootstrapArgs.libDir(), READ),
             FileData.ofRelativePath(Path.of(""), DATA, READ_WRITE),
             FileData.ofRelativePath(Path.of(""), SHARED_REPO, READ_WRITE),
-
+            // exclusive settings file
+            FileData.ofRelativePath(Path.of("/operator/settings.json"), CONFIG, READ).withExclusive(true),
             // OS release on Linux
             FileData.ofPath(Path.of("/etc/os-release"), READ).withPlatform(LINUX),
             FileData.ofPath(Path.of("/etc/system-release"), READ).withPlatform(LINUX),