From 9e0a83f8ca9b32532ccd22c7a2a82614dc8f359a Mon Sep 17 00:00:00 2001
From: Story Crater Bot <19826264+Riotpiaole@users.noreply.github.com>
Date: Thu, 13 Aug 2026 06:37:53 -0700
Subject: [PATCH] =?UTF-8?q?fix(prometheus):=20use=20longhorn=20StorageClas?=
 =?UTF-8?q?s,=20drop=20nonexistent=20longhorn-wffc=20=E2=80=94=20Prometheu?=
 =?UTF-8?q?s=20CR=20requested=20storageClass=20longhorn-wffc=20which=20doe?=
 =?UTF-8?q?sn't=20exist=20(deprecated),=20so=20operator=20never=20created?=
 =?UTF-8?q?=20the=20StatefulSet=20(Reconciled=3DFalse,=20no=20metrics=20se?=
 =?UTF-8?q?rver)?=
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---
 k8s/infra/longhorn/longhorn-storageclass.yaml | 4 ++--
 k8s/infra/monitoring/prometheus-values.yaml   | 6 +++---
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/k8s/infra/longhorn/longhorn-storageclass.yaml b/k8s/infra/longhorn/longhorn-storageclass.yaml
index 61e0d85..908d506 100644
--- a/k8s/infra/longhorn/longhorn-storageclass.yaml
+++ b/k8s/infra/longhorn/longhorn-storageclass.yaml
@@ -1,5 +1,5 @@
-# Longhorn StorageClass - single unified storage class for the entire cluster
-# Replaces: longhorn-wffc, longhorn-kafka, longhorn-static (all deprecated)
+# Longhorn StorageClass - single unified `longhorn` storage class for the whole
+# cluster. This is the only Longhorn class anything should reference.
 apiVersion: storage.k8s.io/v1
 kind: StorageClass
 metadata:
diff --git a/k8s/infra/monitoring/prometheus-values.yaml b/k8s/infra/monitoring/prometheus-values.yaml
index d0828bb..d510556 100644
--- a/k8s/infra/monitoring/prometheus-values.yaml
+++ b/k8s/infra/monitoring/prometheus-values.yaml
@@ -42,12 +42,12 @@ prometheus:
       topology.kubernetes.io/zone: az-a
 
     # Persistent storage — metrics survive node reboots and pod restarts.
-    # longhorn-wffc (WaitForFirstConsumer) binds after scheduling so the volume
-    # lands on the node the pod runs on.
+    # Uses the default `longhorn` StorageClass; nodeSelector above already pins
+    # the pod to az-a (the sole Longhorn node), so Immediate binding is fine.
     storageSpec:
       volumeClaimTemplate:
         spec:
-          storageClassName: longhorn-wffc
+          storageClassName: longhorn
           accessModes: ["ReadWriteOnce"]
           resources:
             requests: