feat: volsync is now a addon

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/addons/volsync/app/helmrelease.yaml.j2

@@ -0,0 +1,42 @@
+---
+apiVersion: helm.toolkit.fluxcd.io/v2beta2
+kind: HelmRelease
+metadata:
+  name: volsync
+spec:
+  interval: 30m
+  chart:
+    spec:
+      chart: volsync
+      version: 0.8.0
+      sourceRef:
+        kind: HelmRepository
+        name: backube
+        namespace: flux-system
+  maxHistory: 2
+  install:
+    remediation:
+      retries: 3
+  upgrade:
+    cleanupOnFail: true
+    remediation:
+      retries: 3
+  uninstall:
+    keepHistory: false
+  dependsOn:
+    - name: snapshot-controller
+      namespace: storage
+  values:
+    manageCRDs: true
+    image:
+      # https://github.com/backube/volsync/issues/828
+      repository: &image ghcr.io/onedr0p/volsync
+      tag: &tag 0.8.0
+    rclone:
+      repository: *image
+      tag: *tag
+    restic:
+      repository: *image
+      tag: *tag
+    metrics:
+      disableAuth: true

bootstrap/templates/addons/volsync/app/kustomization.yaml.j2

@@ -0,0 +1,6 @@
+---
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - ./helmrelease.yaml
+  - ./prometheusrule.yaml

bootstrap/templates/addons/volsync/app/prometheusrule.yaml.j2

@@ -0,0 +1,23 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PrometheusRule
+metadata:
+  name: volsync
+spec:
+  groups:
+    - name: volsync.rules
+      rules:
+        - alert: VolSyncComponentAbsent
+          annotations:
+            summary: VolSync component has disappeared from Prometheus target discovery.
+          expr: absent(up{job="volsync-metrics"})
+          for: 15m
+          labels:
+            severity: critical
+        - alert: VolSyncVolumeOutOfSync
+          annotations:
+            summary: "{% raw %}{{ $labels.obj_namespace }}/{{ $labels.obj_name }} volume is out of sync.{% endraw %}"
+          expr: volsync_volume_out_of_sync == 1
+          for: 15m
+          labels:
+            severity: critical