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feat: post Dependabot alerts to cluster Alertmanager - #15
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Reusable retargeted from Grafana's embedded Alertmanager (which cannot ingest external alerts) to the kube-prometheus-stack Alertmanager at alertmanager.makeitwork.cloud; Grafana bearer dropped, Cloudflare Access headers only. The reusable moves to _dependabot-notify.yml because tfroot-github manages .github/workflows/dependabot-notify.yml as the caller in every repository, including this one; hosting the reusable at that path guaranteed it would be overwritten on the next tfroot-github apply.
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What
Retargets
dependabot-notify.ymlfrom Grafana's embedded Alertmanager to the kube-prometheus-stack Alertmanager athttps://alertmanager.makeitwork.cloud/api/v2/alerts(canonical Alertmanager v2 API, bare-array payload unchanged).Grafana 12 cannot ingest external alerts via that API without a registered Alertmanager datasource (400/404 proven in E2E), so the Grafana service account bearer is dropped — Alertmanager has no auth; the Cloudflare Access app (tfroot-cloudflare#21) is the gate.
Validation
pre-commit run -aclean (actionlint, gitleaks).Merge order
First. The kustomize-cluster#55 and tfroot-cloudflare#21 companions make the endpoint live; this one makes the workflow point at it.