Send and verify events with Google Cloud Run telemetry
Use Google Cloud Run telemetry where your app knows the final result. Collect only the fields you need, then verify a test event before building charts.
- 1
Choose the outcome
Serverless request reliability
- 2
Define the contract
service, revision, region, route_template, job_name, and release
- 3
Log the final result
Send the event when the request or job ends. Keep platform request logs for debugging in the provider tools.
- 4
Check the stored event
Exercise a known fixture, then inspect cloud_run_request_completed for one correctly typed terminal row.
Before you start
Before you start
- A Cloud Run service or job with telemetry-sh initialized in trusted server code
- Stable service, revision, region, route, and job names
- Bounded delivery behavior that cannot extend request shutdown or fail a successful workload
Delivery setup
Install and initialize server-side
Import telemetry-sh in server-only code and initialize it once with process.env.TELEMETRY_API_KEY. Keep ingestion credentials out of browser bundles, client-visible environment variables, source control, logs, and exception messages.
npm installation
npm install telemetry-sh- 1Create one reusable server-side client. Set its timeout and retry limit.
- 2Log an event when the operation succeeds, fails, retries, or times out.
- 3Send test events with known results and inspect the stored rows before enabling an alert.
Snippet
Start with one structured event
Add this shape where the workflow completes, fails, or retries. Then build the dashboard from real fields.
Google Cloud Run telemetry event
await telemetry.log("cloud_run_request_completed", {
service: process.env.K_SERVICE,
revision: process.env.K_REVISION,
region: process.env.GOOGLE_CLOUD_REGION,
route_template: "/api/reports/:reportId",
status: responseStatus < 500 ? "success" : "failed",
status_code: responseStatus,
duration_ms: Math.round(performance.now() - startedAt),
request_id: requestId,
cold_start_observed: coldStartObserved,
environment: process.env.APP_ENV,
release: process.env.APP_RELEASE,
});Event schema
service, revision, region, route_template, job_name, and release
status, status_code, duration_ms, attempt, instance_id_category, and error_type
request_id, account_id, cold_start_observed, item_count, and environment
Check your setup
Checkpoint 1
Send the event when the request or job ends. Keep platform request logs for debugging in the provider tools.
Checkpoint 2
Use K_REVISION, K_SERVICE, and K_CONFIGURATION where available; keep ephemeral instance identifiers out of grouping dimensions.
Checkpoint 3
Set a short delivery timeout and verify instance termination behavior so telemetry never delays a response or changes job success.
Verification
Prove the event arrived
Run this after exercising known success and failure cases. Replace the fallback table name if your final event contract differs from the snippet.
Google Cloud Run telemetry verification query
SELECT *
FROM cloud_run_request_completed
ORDER BY timestamp_utc DESC
LIMIT 20;Implementation references
Review the event contract, data-safety guidance, and upstream primary documentation before enabling a new production path.
Where to log
Keep the outcome event small and recoverable
This pattern provides
- Record the outcome as an event you can query with SQL.
- Stable fields for dashboards, alerts, and cross-event correlation.
- Test events for checking success, failure, retries, and timeouts.
This pattern does not provide
- An OTLP exporter, automatic collection pipeline, or replacement for detailed traces and diagnostic logs.
- Exactly-once delivery merely because the payload contains an event ID.
- Permission to collect raw provider payloads, user content, credentials, or regulated data.
Example event schemas
Event schemas for this workflow
Check what each event records, when to send it, and which field types it needs. Review the example payload and privacy checklist before using it in production.
Use these queries in Telemetry
Learn about Alerts
Add a threshold and recipients to your reliability query to get alerts.
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