OpenTelemetry

[drewda]

to support https://github.com/interline-io/tlv2/pull/174

[Copilot]

Pull Request Overview

This PR adds comprehensive OpenTelemetry (OTel) observability support to the project, implementing tracing for HTTP requests, GraphQL operations, database queries, and background jobs. The changes enable monitoring and debugging capabilities across the entire application stack.

• Implements OpenTelemetry tracing middleware for HTTP, GraphQL, and River job processing
• Adds database query tracing through wrapped SQL drivers
• Provides configurable exporter support (console, OTLP) with environment variable configuration

Reviewed Changes

Copilot reviewed 5 out of 6 changed files in this pull request and generated 6 comments.

Show a summary per file

File	Description
metrics/otel/otel.go	Core OpenTelemetry SDK initialization with configurable exporters and middleware creation
metrics/otel/graphql.go	GraphQL-specific tracing extension for gqlgen with field-level instrumentation
jobs/river/river_jobs.go	Integration of OpenTelemetry middleware into River job processing
go.mod	Addition of OpenTelemetry dependencies and version updates
dbutil/db.go	Database connection utilities with optional OpenTelemetry SQL tracing

[irees]

Moved all code to tlv2 repo for now. Once the api and details have been stabilized it can be moved to transitland-mw.