From 2f158c6b0a75831eb5f2f588eb7f603fb875319b Mon Sep 17 00:00:00 2001
From: jenkins <brad@bstein.dev>
Date: Sun, 4 Oct 2026 05:25:09 -0500
Subject: [PATCH] ci: add disposable Longhorn scratch storage for builds

---
 infrastructure/core/kustomization.yaml          |  1 +
 .../core/storageclass-ci-scratch.yaml           | 17 +++++++++++++++++
 2 files changed, 18 insertions(+)
 create mode 100644 infrastructure/core/storageclass-ci-scratch.yaml

diff --git a/infrastructure/core/kustomization.yaml b/infrastructure/core/kustomization.yaml
index cbc9d5be..bd0e95bd 100644
--- a/infrastructure/core/kustomization.yaml
+++ b/infrastructure/core/kustomization.yaml
@@ -3,6 +3,7 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - node-maintenance.yaml
+  - storageclass-ci-scratch.yaml
   - ../modules/base
   - ../modules/profiles/atlas-ha
   - node-prefer-noschedule-serviceaccount.yaml
diff --git a/infrastructure/core/storageclass-ci-scratch.yaml b/infrastructure/core/storageclass-ci-scratch.yaml
new file mode 100644
index 00000000..19ba8b71
--- /dev/null
+++ b/infrastructure/core/storageclass-ci-scratch.yaml
@@ -0,0 +1,17 @@
+# infrastructure/core/storageclass-ci-scratch.yaml
+apiVersion: storage.k8s.io/v1
+kind: StorageClass
+metadata:
+  name: ci-scratch
+provisioner: driver.longhorn.io
+reclaimPolicy: Delete
+volumeBindingMode: Immediate
+allowVolumeExpansion: true
+parameters:
+  diskSelector: astreae
+  numberOfReplicas: "1"
+  staleReplicaTimeout: "30"
+  fsType: ext4
+  dataLocality: disabled
+# Reproducible build scratch only. Jenkins removes the PVC with its agent pod.
+# A lost scratch replica requires a fresh build, never an application restore.