handlers = java.util.logging.ConsoleHandler

log4j.rootLogger=INFO,STDOUT
log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender
log4j.appender.STDOUT.ImmediateFlush=true
log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout

    }

    /**
     * Append message content in info style.
     * By default, bold blue
     *
     * @param message the message to append
     * @return the current builder
     */
    @Nonnull
    default MessageBuilder info(Object message) {
        return style("." + Constants.MAVEN_STYLE_INFO_NAME + ":-" + Constants.MAVEN_STYLE_INFO_DEFAULT, message);
    }

        final ResourceHandler resource_handler = new ResourceHandler();
        resource_handler.setWelcomeFiles(new String[] { "index.html" });
        resource_handler.setResourceBase(docRoot.getAbsolutePath());
        Log.info("serving " + resource_handler.getBaseResource());
        final HandlerList handlers = new HandlerList();
        handlers.setHandlers(new Handler[] { resource_handler, new DefaultHandler() });
        server.setHandler(handlers);

                }
                return c.admin().indices().prepareCreate(index).setSource(source, XContentType.JSON).execute();
            });
            if (indexResponse.isAcknowledged()) {
                logger.info("Created {} index.", index);
            } else if (logger.isDebugEnabled()) {
                logger.debug("Failed to create {} index.", index);
            }
        }

            try {
                client.close();
            } catch (final OpenSearchException e) {
                logger.warn("Failed to close client.", e);
            }
            logger.info("Disconnected to {}", address);
        }
        connected = false;
    }

    @Override
    public ThreadPool threadPool() {
        return client.threadPool();
    }

    @Override

    --namespace istio-system \
    --version "${GRAFANA_VERSION}" \
    --repo https://grafana.github.io/helm-charts \
    -f "${WD}/values-grafana.yaml"

  # Set up grafana dashboards. Split into 2 and compress to single line json to avoid Kubernetes size limits
  compressDashboard "pilot-dashboard.gen.json"
  compressDashboard "istio-performance-dashboard.json"
  compressDashboard "istio-workload-dashboard.json"