is committer live metric

[nischitpra]

Summary by CodeRabbit

• New Features
  • Added configurable committer liveness monitoring metric to track system health. The metric supports filtering by project name and chain identifier when enabled.

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

Adds a new Prometheus gauge metric CommitterIsLive to track committer liveness status. Integrates metric update into block publishing logic, setting it to 1 when the config flag is enabled and blocks are successfully published.

Changes

Cohort / File(s)	Summary
CommitterIsLive Metric Implementation internal/metrics/metrics.go	Defines new Prometheus GaugeVec metric CommitterIsLive with labels project_name and chain_id to measure committer liveness
CommitterIsLive Metric Usage internal/committer/poollatest.go	Adds metric update logic that sets CommitterIsLive to 1 after publishing a batch of blocks and updating the next block number, gated behind config.Cfg.CommitterIsLive flag

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

• Straightforward metric addition with no complex logic or control-flow changes
• Single metric definition and single metric observation point
• Standard Prometheus pattern usage

✨ 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 np/committer_live_metridc

---

📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

Disabled knowledge base sources:

• Linear integration is disabled by default for public repositories

You can enable these sources in your CodeRabbit configuration.

📥 Commits

Reviewing files that changed from the base of the PR and between 821798a and f77885b.

📒 Files selected for processing (2)

• internal/committer/poollatest.go (1 hunks)
• internal/metrics/metrics.go (1 hunks)

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}