DEVOPS

Nightly Blast-Radius Report for Pending Releases

Every night it diffs what is merged but not yet deployed, scores the combined blast radius against recent Honeycomb traffic and incident data.

CategoryDevOps
Enginesim
Difficultyintermediate
Triggerschedule
Steps5
Setup~15 min

How it runs

The automated pipeline, trigger to output.

  • TriggerNightly schedule
  • ActionList merged-but-undeployed PRsGitHubGitHub
  • ActionPull endpoint traffic from HoneycombHoneycomb
  • LogicRank changes by usage-weighted blast radius
  • OutputEmail release-readiness digestGmailGmail

What it does

This scheduled workflow looks at everything merged since the last production deploy, estimates the combined blast radius of shipping it all, and emails the on-call lead a ranked digest of what is risky to release and why — so the morning release call starts with a plan.

When to use it

Use it when commits pile up between deploys and nobody has a clear picture each morning of how much change is queued or which parts are riskiest to push.

How it works

  1. 1A nightly schedule triggers the run.
  2. 2A GitHub step lists merged PRs since the last production tag.
  3. 3A Honeycomb step pulls traffic volume for the touched endpoints to weight by real usage.
  4. 4A scoring step ranks each pending change by usage-weighted blast radius.
  5. 5A formatting step builds a prioritized release-readiness digest.
  6. 6The digest is emailed to the operator via Gmail.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect GitHubRepos, issues, pull requests, actions.
  2. 2
    Connect HoneycombDistributed traces and queries.
  3. 3
    Connect GmailRead, draft, send, label.
  4. 4
    Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
  5. 5
    Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
  6. 6
    Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.

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