Fix: Setup NewRelic based on config

[rahulpr22]

Summary by CodeRabbit

• New Features

  • Added a DISABLE_NEW_RELIC configuration to turn off New Relic reporting.
  • Made New Relic distributed tracing configurable.
  • Improved error logging when New Relic setup runs.

• Refactor

  • Minor cleanup in OpenTelemetry fallback (no behavior change).

• Chores

  • Streamlined indirect dependencies and updated tooling-related packages.

[coderabbitai]

Walkthrough

Added a Config flag to disable New Relic, gated New Relic setup in startup (errors now logged), threaded a distributed-tracing flag into New Relic initialization, and adjusted indirect dependencies in go.mod.

Changes

Cohort / File(s)	Summary
Config flag + core startup config/config.go, core.go	Added DisableNewRelic bool (DISABLE_NEW_RELIC) to Config. Startup now guards SetupNewRelic with this flag and logs any SetupNewRelic error; minor formatting tweak in New Relic/OpenTelemetry fallback.
New Relic tracing init initializers.go	SetupNewRelic now accepts/uses a tracing parameter via newrelic.ConfigDistributedTracerEnabled(tracing) to enable distributed tracing when requested.
Dependencies go.mod	Removed several indirect dependencies (e.g., bugsnag, backoff, go-kit, otel/internal/retry, genproto); added indirect github.com/newrelic/csec-go-agent v0.3.0 and github.com/smarty/assertions v1.15.1; cleaned/reordered require block.

Sequence Diagram(s)

sequenceDiagram
    autonumber
    participant App as App Startup
    participant Env as Env / Config
    participant NR as New Relic (SetupNewRelic)
    participant OTel as OpenTelemetry Init
    participant Log as Logger

    App->>Env: load config (DISABLE_NEW_RELIC, tracing)
    alt DISABLE_NEW_RELIC == false
        App->>NR: call SetupNewRelic(tracing)
        alt Setup succeeds
            Note right of NR: New Relic configured\n(distributed tracing honored if tracing==true)
        else Setup fails
            NR-->>Log: log error from SetupNewRelic
            App->>OTel: initialize OpenTelemetry fallback
        end
    else DISABLE_NEW_RELIC == true
        Note right of App: New Relic setup skipped
        App->>OTel: initialize OpenTelemetry (or other telemetry)
    end

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Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~20 minutes

Possibly related PRs

• Custom otel support #32 — modifies OpenTelemetry/New Relic initialization paths and relates to the guarded SetupNewRelic/OTel fallback changes.

Suggested reviewers

• svetha-cvl

Poem

I twitch my nose and check the flag,
If relic sleeps I skip the drag.
If tracing wakes, I bind the trail,
Else OTel keeps the ship full sail.
I prune the deps and hop—huzzah! 🐰✨

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title Check	✅ Passed	The title clearly and concisely describes the primary change of making NewRelic setup respect configuration, directly reflecting the addition of the DisableNewRelic guard. It is specific enough for a reviewer to understand the intent without extraneous details. It does not include vague terms or unrelated content.
Docstring Coverage	✅ Passed	No functions found in the changes. Docstring coverage check skipped.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/nr-config

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 0076015 and 956c433.

📒 Files selected for processing (1)

• core.go (2 hunks)

🧰 Additional context used

🧬 Code graph analysis (1)

core.go (1)

initializers.go (2)

• SetupNewRelic (46-66)
• SetupNROpenTelemetry (293-309)

🔇 Additional comments (1)

core.go (1)

97-102: LGTM! Critical logic fix applied.

The inverted logic issue has been correctly resolved. NewRelic is now initialized only when DisableNewRelic is false, and error handling has been properly added.

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[coderabbitai]

Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 67432d3 and 0076015.

📒 Files selected for processing (3)

• config/config.go (1 hunks)
• core.go (2 hunks)
• initializers.go (1 hunks)

🧰 Additional context used

🧬 Code graph analysis (1)

core.go (1)

initializers.go (2)

• SetupNewRelic (46-66)
• SetupNROpenTelemetry (293-309)

🔇 Additional comments (3)

initializers.go (1)

57-57: LGTM!

The change correctly enables distributed tracing based on the tracing parameter rather than a hardcoded value, providing runtime configurability.

config/config.go (1)

33-34: LGTM!

The new configuration field is properly documented and follows the existing config pattern.

core.go (1)

142-150: LGTM!

Good practice to capture and log the error from SetupNROpenTelemetry for proper error visibility.