# Setup Honeycomb

To monitor application performance, Workleap has adopted Honeycomb, a tool that helps teams manage and analyze telemetry data from distributed systems. Built on OpenTelemetry, Honeycomb provides a robust API for tracking frontend telemetry.

Squide can integrate with a host application's Honeycomb setup that uses either @workleap/telemetry v2 or higher or @workleap/honeycomb v7 or higher. When integrated, the performance of Squide initialization is automatically tracked in Honeycomb.

This guide explains how to integrate Squide with Honeycomb using the @workleap/telemetry umbrella package.

# Setup the host application

Let's start by configuring the host application.

First, open a terminal at the root of the host application and install the following packages:

pnpm add @workleap/telemetry @opentelemetry/api

# Register instrumentation

Then, update the host application bootstrapping code to register Honeycomb instrumentation:

host/src/index.tsx
import { FireflyProvider, initializeFirefly } from "@squide/firefly";
import { initializeTelemetry } from "@workleap/telemetry/react";
import { register as registerMyLocalModule } from "@sample/local-module";
import { createRoot } from "react-dom/client";
import { App } from "./App.tsx";
import { registerHost } from "./register.tsx";

const telemetryClient = initializeTelemetry({
    honeycomb: {
        namespace: "sample",
        serviceName: "squide-sample",
        apiServiceUrls: [/.+/g,],
        options: {
            proxy: "https://my-proxy.com"
        }
    }
});

const runtime = initializeFirefly({
    localModules: [registerHost, registerMyLocalModule],
    honeycombInstrumentationClient: telemetryClient.honeycomb
});

const root = createRoot(document.getElementById("root")!);

root.render(
    <FireflyProvider runtime={runtime}>
        <App />
    </FireflyProvider>
);

With instrumentation in place, a few traces are now available 👇

# Bootstrapping flow

The performance of an application bootstrapping flow can now be monitored:

Bootstrapping flow performance
Bootstrapping flow performance

# Deferred registration update

When a deferred registration is updated, the performance of the operation can be monitored:

Deferred registration update performance
Deferred registration update performance

# Fetch requests

Individual fetch request performance can be monitored from end to end:

Fetch instrumentation
Fetch instrumentation

# Document load

The loading performance of the DOM can be monitored:

Document load instrumentation
Document load instrumentation

# Unmanaged error

When an unmanaged error occurs, it's automatically recorded:

Recorded error
Recorded error

# Real User Monitoring (RUM)

The default instrumentation will automatically track the appropriate metrics to display RUM information:

Largest Contentful Paint
Largest Contentful Paint

Cumulative Layout Shift
Cumulative Layout Shift

Interaction to Next Paint
Interaction to Next Paint

# Set custom user attributes

Most application needs to set custom attributes on traces about the current user environment. To help with that, the HoneycombInstrumentationClient expose the setGlobalSpanAttributes method.

Update your host application to use the setGlobalSpanAttributes method:

host/src/App.tsx
import { AppRouter, useProtectedDataQueries, useIsBootstrapping } from "@squide/firefly";
import { useHoneycombInstrumentationClient } from "@workleap/telemetry/react";
import { useEffect } from "react";
import { createBrowserRouter, Outlet } from "react-router";
import { RouterProvider } from "react-router/dom";
import { SessionManagerContext, ApiError, isApiError, type Session } from "@sample/shared";
import { useSessionManagerInstance } from "./sessionManager.ts";

function BootstrappingRoute() {
    const [session] = useProtectedDataQueries([
        {
            queryKey: ["/api/session"],
            queryFn: async () => {
                const response = await fetch("/api/session");

                if (!response.ok) {
                    throw new ApiError(response.status, response.statusText);
                }

                const data = await response.json();

                const result: Session = {
                    user: {
                        id: data.id,
                    }
                };

                return result;
            }
        }
    ], error => isApiError(error) && error.status === 401);

    const honeycombClient = useHoneycombInstrumentationClient();

    useEffect(() => {
        if (session) {
            honeycombClient.setGlobalSpanAttributes({
                "app.user_id": session.user.id
            });
        }
    }, [session])

    const sessionManager = useSessionManagerInstance(session!);

    if (useIsBootstrapping()) {
        return <div>Loading...</div>;
    }

    return (
        <SessionManagerContext.Provider value={sessionManager}>
            <Outlet />
        </SessionManagerContext.Provider>
    );
}

export function App() {
    return (
        <AppRouter waitForProtectedData>
            {({ rootRoute, registeredRoutes, routerProviderProps }) => {
                return (
                    <RouterProvider
                        router={createBrowserRouter([
                            {
                                element: rootRoute,
                                children: [
                                    {
                                        element: <BootstrappingRoute />,
                                        children: registeredRoutes
                                    }
                                ]
                            }
                        ])}
                        {...routerProviderProps}
                    />
                );
            }}
        </AppRouter>
    );
}

Now, every trace recorded after the session initialization will include the custom attributes app.user_id:

Custom attributes
Custom attributes

# Custom traces

Applications are expected to use the OpenTelemetry API to send custom traces to Honeycomb:

host/src/Page.tsx
import { useEffect } from "react";
import { trace } from "@opentelemetry/api";

const tracer = trace.getTracer("my-tracer");

export function Page() {
    useEffect(() => {
        // OK, this is a pretty bad example.
        const span = tracer.startSpan("my-span");
        span.end();
    }, []);

    return (
        <div>Hello from a page!</div>
    );
}

# Try it 🚀

Start the application in a development environment using the dev script. Render a page, then navigate to your Honeycomb instance. Go to the Query page and type root.name = squide-bootstrapping into the Where input. Run the query, select the Traces tab at the bottom of the page and view the detail of a trace. You should view the performance of your application bootstrapping flow.

# Troubleshoot issues

If you are experiencing issues with this guide:

  • Set the initializeTelemetry function verbose option to true.
  • Open the DevTools console. You'll see a log entry for every for each dispatched event, along with multiple console outputs from Honeycomb's SDK. Squide's bootstrapping instrumentation listens to events to send Honeycomb traces. Most events should match an Honeycomb trace and vice versa.
    • [squide] Honeycomb instrumentation is registered
    • [squide] Dispatching event "squide-local-modules-registration-completed"
    • [squide] Dispatching event "squide-remote-modules-registration-completed"
    • [squide] Dispatching event "squide-public-data-fetch-started"
    • [squide] Dispatching event "squide-public-data-ready"
    • @honeycombio/opentelemetry-web: Honeycomb link: ...
  • Refer to a working example on GitHub.
  • Refer to the troubleshooting page.