Revert "Remove longhorn"

This reverts commit 183b384366.

clusters/kairos/longhorn/helmrelease.yaml

@@ -0,0 +1,16 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: longhorn
+spec:
+  chart:
+    spec:
+      chart: longhorn
+      reconcileStrategy: ChartVersion
+      sourceRef:
+        kind: HelmRepository
+        name: longhorn-repo
+      version: 1.6.2
+  interval: 1m0s
+  targetNamespace: longhorn-system

clusters/kairos/longhorn/helmrepo.yaml

@@ -0,0 +1,8 @@
+---
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: longhorn-repo
+spec:
+  interval: 1m0s
+  url: https://charts.longhorn.io

clusters/kairos/longhorn/ingress.yaml

@@ -0,0 +1,16 @@
+apiVersion: traefik.io/v1alpha1
+kind: IngressRoute
+metadata:
+  name: longhorn
+spec:
+  entryPoints:
+    - web
+  routes:
+  - match: Host(`longhorn.k3s`)
+    kind: Rule
+    services:
+    - name: longhorn-frontend
+      namespace: longhorn-system
+      nativeLB: true
+      kind: Service
+      port: 80

clusters/kairos/longhorn/kustomization.yaml

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: longhorn-system
+resources:
+- namespace.yaml
+- helmrepo.yaml
+- helmrelease.yaml
+- ingress.yaml

clusters/kairos/longhorn/namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: longhorn-system