log when archiving content via the admin panel

lib/commands/admin-rpc.js

@@ -160,9 +160,19 @@ var archiveDocument = function (Env, Server, cb, data) {
     switch (id.length) {
         case 32:
         // TODO disconnect users from active sessions
-            return void Env.msgStore.archiveChannel(id, cb);
+            return void Env.msgStore.archiveChannel(id, Util.both(cb, function (err) {
+                Env.Log.info("ARCHIVAL_CHANNEL_BY_ADMIN_RPC", {
+                    channelId: id,
+                    status: err? String(err): "SUCCESS",
+                });
+            }));
         case 48:
-            return void Env.blobStore.archive.blob(id, cb);
+            return void Env.blobStore.archive.blob(id, Util.both(cb, function (err) {
+                Env.Log.info("ARCHIVAL_BLOB_BY_ADMIN_RPC", {
+                    id: id,
+                    status: err? String(err): "SUCCESS",
+                });
+            }));
         default:
             return void cb("INVALID_ID_LENGTH");
     }