ENGINEERING
Dependency Canary: Draft PR with Honeycomb Latency Watch
Opens a draft PR for a dependency bump, waits for the canary deploy to take traffic, then compares Honeycomb p95 latency before vs after and posts a verdict to Slack.
How it runs
The automated pipeline, trigger to output.
- TriggerPR labeled 'dependency' openedGitHub
- ActionMark PR draft and add 'canary' labelGitHub
- ActionQuery Honeycomb p95 for canary + baseline windowsHoneycomb
- LogicCompute latency delta vs threshold
- OutputPost verdict and numbers to SlackSlack
What it does
Turns a routine dependency bump into a measured experiment. When a bot opens a bump PR, this workflow promotes it to a draft canary, watches Honeycomb traces for the affected service, and tells you in Slack whether p95 latency moved.
When to use it
Use it for any auto-generated upgrade PR (Dependabot, Renovate, or a teammate) where you want trace-backed proof the new version is safe before a human reviews and merges. Best for services you already instrument in Honeycomb.
How it works
- 1A new pull request labeled `dependency` triggers the run.
- 2The workflow ensures the PR is a draft and tags it `canary`.
- 3It waits a fixed bake window, then queries Honeycomb for p95 `duration_ms` on the service over the canary period and a matched baseline window.
- 4A logic step computes the delta; if p95 rose beyond the threshold it marks the run regressed.
- 5It posts the before/after numbers, the verdict, and the PR link to Slack so the reviewer decides with data in hand.
Set it up
What you configure once, before turning it on.
- 1Connect GitHubRepos, issues, pull requests, actions.
- 2Connect HoneycombDistributed traces and queries.
- 3Connect SlackChannels, DMs, threads, mentions.
- 4Set each agent's modelWe leave models unset so you pick the tier — fast + cheap, or top-quality.
- 5Tune it to your dataEdit the prompts, filters, and field mappings so it matches how your team works.
- 6Test, then turn it onRun once against a sample, confirm the output, then enable the trigger.
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Run this workflow in your colony.
14-day trial. No DevOps. No Sales call. Provisioned in under a minute.