Add Cloud Run OpenTelemetry worker sample - #792
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Adds cloud-run-worker/: a long-running Temporal worker for Google Cloud Run worker pools that uses the temporal-gcp-cloud-run CloudRunOpenTelemetryPlugin to export Core metrics and traces over OTLP/gRPC to a local OpenTelemetry Collector sidecar (worker, greeting workflow/activities, collector-config.yaml, worker-pool.yaml, Dockerfile, README). Note: the SDK module temporal-gcp-cloud-run is not yet released, so the sample resolves it via the existing -PtemporalSdkPath composite build against a local sdk-java checkout. Bump javaSDKVersion to the release that ships the module before this is marked ready. Co-authored-by: Edward Amsden <edward.amsden@temporal.io> Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Move the sample from cloud-run-worker/ to gcp/cloud-run/opentelemetry/ so the layout mirrors the merged SDK module (io.temporal:temporal-gcp-cloud-run, package io.temporal.gcp.cloudrun) and matches the other SDKs' Cloud Run samples, leaving room for additional Cloud Run samples (e.g. worker ID) under gcp/cloud-run/. - Gradle project path :cloud-run-worker -> :gcp:cloud-run:opentelemetry (settings.gradle), with applicationName pinned to cloud-run-worker so the installDist launcher name (and the Dockerfile) stay stable. - Java package io.temporal.samples.cloudrun -> io.temporal.samples.gcp.cloudrun, mirroring the SDK's io.temporal.gcp.cloudrun. - Update the Dockerfile gradle task/paths, build.gradle mainClass, and the sample and root README paths. Verified with the composite build against a local sdk-java checkout: `:gcp:cloud-run:opentelemetry:test` and `:installDist` both pass. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Move the sample's Java sources into the io.temporal.samples.gcp.cloudrun.opentelemetry package (mirroring the gcp/cloud-run/opentelemetry module path and the sibling workerid sample), and point the dependency and imports at the renamed temporal-gcp-cloud-run-opentelemetry SDK plugin. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Runs a Temporal Worker on a Google Cloud Run worker pool using the Cloud Run OpenTelemetry plugin (
io.temporal:temporal-gcp-cloud-run-opentelemetry), exporting SDK metrics and traces over OTLP to a Google-Built OpenTelemetry Collector sidecar.Build locally:
./gradlew -PtemporalSdkPath=/path/to/sdk-java :gcp:cloud-run:opentelemetry:build. Deploy:gcloud run worker-pools replace gcp/cloud-run/opentelemetry/worker-pool.yaml --project="$PROJECT_ID".The module is unreleased, so the sample builds against a local SDK checkout via composite build (default
../sdk-java); CI stays red until it ships.