DEVOPS

Edge Canary: Post-Deploy Bake Report to GitHub and Slack

Once a Cloudflare canary reaches the end of its bake window, pulls the full Honeycomb error-budget and latency comparison, posts a pass/fail summary as a GitHub deployment status.

CategoryDevOps
Enginesim
Difficultybeginner
Triggerschedule
Steps5
Setup~5 min

How it runs

The automated pipeline, trigger to output.

  • TriggerBake-window-end schedule tick
  • ActionQuery Honeycomb error rate and p95 by versionHoneycomb
  • LogicDerive pass/fail verdict from deltas
  • ActionWrite GitHub deployment status on release commitGitHubGitHub
  • OutputSend bake report to release Slack channelSlack

What it does

Closes out a canary bake with a verdict. When the bake timer ends, it gathers the canary-versus-stable error rate and p95 latency from Honeycomb, renders a concise pass/fail report, writes it back as a GitHub deployment status on the release commit, and announces the result so the team knows whether the version is cleared to fully promote.

When to use it

Use when canary promotion is a human decision but you want the data assembled and stamped on the PR automatically — no one has to hand-build the comparison or hunt for the right Honeycomb query after every deploy.

How it works

  1. 1A schedule fires at the end of the configured bake window for an active deploy.
  2. 2The workflow queries Honeycomb for canary and stable error rate plus p95 latency, keyed by version.
  3. 3A logic branch derives a pass/fail verdict from the deltas against your thresholds.
  4. 4It posts a GitHub deployment status (success or failure) with the metrics on the release commit.
  5. 5It sends a formatted bake report to the release Slack channel with a Honeycomb link.

Set it up

What you configure once, before turning it on.

  1. 1
    Connect HoneycombDistributed traces and queries.
  2. 2
    Connect GitHubRepos, issues, pull requests, actions.
  3. 3
    Connect SlackChannels, DMs, threads, mentions.
  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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