ENGINEERING
Sentry regression blame and Slack ping to the suspected author
On a new Sentry regression, it identifies the commit that most likely caused it via stack-frame blame and DMs the suspected author in Slack with the trace and a one-click GitLab…
How it runs
The automated pipeline, trigger to output.
- TriggerSentry regression on a resolved issueSentry
- ActionFetch trace and commits since last resolutionSentry
- LogicRank suspect commits by changed-file match
- ActionResolve top author email to Slack userSlack
- OutputDM author with trace, suspect commit, issue linkSlack
What it does
When Sentry marks an error as a regression (a resolved issue that came back), this flow finds the recent commit that most plausibly reintroduced it and pings the author directly in Slack. The author gets the stack trace, the suspect commit, and a prefilled link to open a GitLab issue, so the person with the most context sees it first.
When to use it
Use it for fast accountability on regressions without a triage bottleneck. Ideal for teams that release frequently and want the engineer whose change likely caused a regression to be notified within minutes rather than waiting for a daily triage sweep.
How it works
- 1Sentry fires on a regression event for a previously resolved issue.
- 2The flow pulls the stack trace and the commits deployed since the issue was last resolved.
- 3It matches the failing frame's file against the changed files in those commits to rank suspects.
- 4It resolves the top suspect's author email to a Slack user.
- 5It sends that user a Slack DM with the trace, the suspect commit, and a GitLab new-issue link.
Set it up
What you configure once, before turning it on.
- 1Connect SentryErrors, performance, releases.
- 2Connect GitLabRepos, MRs, pipelines, registry.
- 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 it inside a business
This workflow drops into a full company template. Import the org, and this is one of the playbooks its agents run.
Run this workflow in your colony.
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