Support phasing off SecurityManager usage in favor of Java Agent

Signed-off-by: Gulshan <[email protected]>

Author: kumargu

build.gradle

@@ -63,6 +63,7 @@ apply plugin: 'opensearch.pluginzip'
 apply plugin: 'jacoco'
 apply plugin: "com.diffplug.spotless"
 apply plugin: 'io.freefair.lombok'
+apply plugin: 'opensearch.java-agent'
 apply from: 'gradle/formatting.gradle'
 
 ext.opensearch_tmp_dir = rootProject.file('build/private/opensearch_tmp').absoluteFile

src/main/plugin-metadata/plugin-security.policy

@@ -4,4 +4,10 @@ grant {
     permission java.lang.RuntimePermission "accessDeclaredMembers";
     permission java.lang.reflect.ReflectPermission "suppressAccessChecks";
     permission java.lang.RuntimePermission "setContextClassLoader";
+
+    // temporary for testing
+    permission java.net.SocketPermission "*", "connect,resolve";
+
+    // for accessing Unix domain socket on windows
+    permission java.net.NetPermission "accessUnixDomainSocket";
 };