MB-32570: Add userdata tags to name and agent name in conn stats

stats connections is part of cbcollect_info and reveals the
name of the users for the connections.

Change-Id: Icd1339e21778b302f4284ff96f7c463c020943d1
Reviewed-on: http://review.couchbase.org/103528
Tested-by: Build Bot <[email protected]>
Reviewed-by: Dave Rigby <[email protected]>

Author: trondn

daemon/connection.cc

@@ -142,7 +142,13 @@ nlohmann::json Connection::toJSON() const {
     ret["internal"] = isInternal();
 
     if (authenticated) {
-        ret["username"] = username.c_str();
+        if (internal) {
+            // We want to be able to map these connections, and given
+            // that it is internal we don't reveal any user data
+            ret["username"] = username;
+        } else {
+            ret["username"] = cb::tagUserData(username);
+        }
     }
 
     ret["nodelay"] = nodelay;