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job-hunter: weekly above-target Slack alert CronJob

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Add job-hunter-alert CronJob (Sundays 05:00 UTC, an hour after the refresh):
`python -m job_hunter alert --threshold 500000 --location london --slack`
posts to Slack the companies whose London p50 total comp >= £500k, flagging
any that newly crossed since last week's snapshot. SLACK_WEBHOOK_URL wired via
the job-hunter-secrets ExternalSecret from Vault secret/job-hunter
slack_webhook_url (seeded from the shared workspace webhook; repointable to a
dedicated channel). Runbook gains an "above-target Slack alert" section.

[ci skip] — applied locally (stack-scoped).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
This commit is contained in:
Viktor Barzin 2026-06-02 20:49:42 +00:00
parent 5dc5cd53c0
commit 74313149dd
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docs/runbooks/job-hunter.md
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@ -164,6 +164,31 @@ Grafana datasource password is mirrored via a second ExternalSecret in the
## ANALYST
### Weekly above-target Slack alert
The `job-hunter-alert` CronJob (Sundays 05:00 UTC, an hour after the refresh)
posts to Slack the companies whose London p50 total comp **≥ £500k**, flagging
any that **newly crossed** since last week's snapshot. Threshold is the
`--threshold` arg in `cronjob.tf` (default 500000 — well above the ~£267k move
floor, so only clearly-exceptional comp pings). Slack webhook comes from Vault
`secret/job-hunter` → `slack_webhook_url` (seeded from the shared workspace
webhook → currently posts to the same channel as Keel; repoint to a dedicated
channel by `vault kv patch secret/job-hunter slack_webhook_url=<url>`).
```bash
# Preview the message without posting
kubectl -n job-hunter exec deploy/job-hunter -- python -m job_hunter alert --stdout
# Different bar / location
kubectl -n job-hunter exec deploy/job-hunter -- \
python -m job_hunter alert --threshold 350000 --location london --stdout
# Fire it now (posts to Slack)
kubectl -n job-hunter create job --from=cronjob/job-hunter-alert jh-alert-manual
```
`newly_crossed` needs ≥2 snapshot dates — it's empty until the second weekly
run accumulates. To change the standing threshold, edit `--threshold` in
`infra/stacks/job-hunter/cronjob.tf` and apply.
### The periodic "market leaders in comp" report
This is the headline command — current leaders by p50 total comp, week-over-week