Better OTEL default resources and Hive Tracing improvements

[enisdenjo]

Closes #1540, closes #1552

• Use hive-gateway as the default service name
• Use Hive Gateway's version as the service version (not the OTEL plugin's, that goes in hive.otel.version)
• Ensure there's proper hive tracing processor options
• Use https://api.graphql-hive.com/otel/v1/traces as the default endpoint for hive tracing

Bonus

Reduced flakiness of Cloudflare E2E tests and clarify errors.

[gemini-code-assist]

Summary of Changes

Hello @enisdenjo, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly refines the OpenTelemetry integration by centralizing resource creation logic and establishing more sensible default values for service names and versions. It also strengthens the configuration validation for Hive Tracing processors, ensuring essential parameters like access tokens and endpoints are correctly provided. These changes aim to make the observability setup more robust, consistent, and user-friendly.

Highlights

• Improved OTEL Resource Defaults: The default OpenTelemetry service name is now set to 'hive-gateway', and the service version is derived from the Hive Gateway's global version (globalThis.__VERSION__), providing more meaningful default identifiers for tracing.
• Optional Service Version in Resource Definition: The serviceVersion property within the resource type definition has been made optional, allowing for more flexible resource configurations where a service version might not always be explicitly required.
• Enhanced Hive Tracing Processor Configuration: The setup for the HiveTracingSpanProcessor now includes explicit checks for accessToken and endpoint when a custom processor is not provided, ensuring these critical configuration parameters are always present, either via options or environment variables.
• Centralized Resource Creation Logic: The logic for creating and merging OpenTelemetry resources has been refactored and centralized into a single createResource function, improving consistency and maintainability across the OpenTelemetry setup.

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[gemini-code-assist]

Code Review

This pull request introduces several improvements to the OpenTelemetry integration. It sets more sensible defaults for the service name and version in OTEL resources, using hive-gateway and the gateway's version respectively. The hiveTracingSetup function has been significantly refactored for better clarity and robustness, especially in how it configures the Hive tracing processor.

My review focuses on the new createResource function. While the refactoring is a good step, I've identified a potential bug in how it handles an explicitly undefined serviceVersion and have suggested a cleaner implementation that fixes this issue and improves readability.

[theguild-bot]

🚀 Snapshot Release (alpha)

The latest changes of this PR are available as alpha on npm (based on the declared changesets):

Package	Version	Info
@graphql-hive/gateway	2.1.19-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75	npm ↗︎ unpkg ↗︎
@graphql-hive/nestjs	2.0.24-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75	npm ↗︎ unpkg ↗︎
@graphql-hive/plugin-opentelemetry	1.2.1-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75	npm ↗︎ unpkg ↗︎
@graphql-mesh/plugin-prometheus	2.1.5-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75	npm ↗︎ unpkg ↗︎

[theguild-bot]

🚀 Snapshot Release (Binary for Linux-ARM64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Binary for Linux-X64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Binary for macOS-ARM64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Binary for Windows-X64)

The latest changes of this PR are available for download (based on the declared changesets).

[theguild-bot]

🚀 Snapshot Release (Bun Docker Image)

The latest changes of this PR are available as image on GitHub Container Registry (based on the declared changesets):

ghcr.io/graphql-hive/gateway:2.1.19-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75-bun

[theguild-bot]

🚀 Snapshot Release (Node Docker Image)

The latest changes of this PR are available as image on GitHub Container Registry (based on the declared changesets):

ghcr.io/graphql-hive/gateway:2.1.19-alpha-1bfda770fe8ac08e452e19fceb9f1e162148ae75

[theguild-bot]

🚀 Snapshot Release (Binary for macOS-X64)

The latest changes of this PR are available for download (based on the declared changesets).