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Elastic Observability Helloworld Demo App for Google Cloud Run

Overview

This demo application has two parts:

  • helloworld - A simple Node.js express app
  • helloworld-observe - A helloworld Node.js app instrumented with minimal Elastic Observability

Setup

  1. Create an Elastic Cloud Deployment

    • In Elastic Cloud, select Integrations from the top-level menu. Then click the APM integrations tile.
    • Copy the Elastic APM serverUrl and save it for a later step.
    • Copy the Elastic APM secretToken and save it for a later step.

  2. Enable necessary Google Cloud APIs

    • compute.googleapis.com
    • run.googleapis.com
    • containerregistry.googleapis.com
    • cloudbuild.googleapis.com

  3. Add required IAM roles to the Google Compute Engine Default Service Account

    • Logs Viewer
    • Monitoring Viewer
    • Pub/Sub Subscriber

Deploy to Google Cloud Run from Google Cloud Shell

Open Google Cloud Shell and clone this repo

git clone https://github.com/elastic/observability-examples

helloworld

  1. In Google Cloud Shell, cd to helloworld 
    cd gcp/run/helloworld
  2. Build helloworld app image and push it to Google Container Resistry 
    gcloud builds submit --tag gcr.io/your-project-id/elastic-helloworld
  3. Deploy helloworld app to Google Cloud Run 
    gcloud run deploy elastic-helloworld --image gcr.io/your-project-id/elastic-helloworld
  4. Once the app is deployed, a Service URL will be provided. Open the Service URL in a browser to see the helloworld app running.

helloworld-observe

  1. In Google Cloud Shell, cd to helloworld-observe

    cd gcp/run/helloworld-observe

  2. Update Dockerfile to add the Elastic Observability APM Server URL and the APM Secret Token. Replace ELASTIC_APM_SERVER_URL and ELASTIC_APM_SECRET_TOKEN with values you copied and saved in the Setup step.

     ENV OTEL_EXPORTER_OTLP_ENDPOINT='ELASTIC_APM_SERVER_URL'
 ENV OTEL_EXPORTER_OTLP_HEADERS='Authorization=Bearer ELASTIC_APM_SECRET_TOKEN'

  3. Build helloworld-observe app image and push it to Google Container Resistry

    gcloud builds submit --tag gcr.io/your-project-id/elastic-helloworld

  4. Deploy helloworld-observe app to Google Cloud Run

    gcloud run deploy elastic-helloworld --image gcr.io/your-project-id/elastic-helloworld

  5. Once the app is deployed, a Service URL will be provided. Open the Service URL in a browser to see the helloworld-observe app running.

  6. Visit Elastic Cloud and open Observability to see Trace samples from the helloworld-observe app.