feat(add): add lvm-disk-watcher chart (#23921)

**Description**
This chart runs our custom lvm-disk-watcher container, which is used in
conjunction with topo-lvm to automatically provision local lvm-backed
storage.

**⚙️ Type of change**

- [x] ⚙️ Feature/App addition
- [ ] 🪛 Bugfix
- [ ] ⚠️ Breaking change (fix or feature that would cause existing
functionality to not work as expected)
- [ ] 🔃 Refactor of current code

**🧪 How Has This Been Tested?**
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Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
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**📃 Notes:**
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**✔️ Checklist:**

- [ ] ⚖️ My code follows the style guidelines of this project
- [ ] 👀 I have performed a self-review of my own code
- [ ] #️⃣ I have commented my code, particularly in hard-to-understand
areas
- [ ] 📄 I have made corresponding changes to the documentation
- [ ] ⚠️ My changes generate no new warnings
- [ ] 🧪 I have added tests to this description that prove my fix is
effective or that my feature works
- [ ] ⬆️ I increased versions for any altered app according to semantic
versioning
- [ ] I made sure the title starts with `feat(chart-name):`,
`fix(chart-name):` or `chore(chart-name):`

**➕ App addition**

If this PR is an app addition please make sure you have done the
following.

- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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charts/system/lvm-disk-watcher/.helmignore

@@ -0,0 +1,32 @@
+# Patterns to ignore when building packages.
+# This supports shell glob matching, relative path matching, and
+# negation (prefixed with !). Only one pattern per line.
+.DS_Store
+# Common VCS dirs
+.git/
+.gitignore
+.bzr/
+.bzrignore
+.hg/
+.hgignore
+.svn/
+# Common backup files
+*.swp
+*.bak
+*.tmp
+*~
+# Various IDEs
+.project
+.idea/
+*.tmproj
+.vscode/
+# OWNERS file for Kubernetes
+OWNERS
+# helm-docs templates
+*.gotmpl
+# docs folder
+/docs
+# icon
+icon.png
+icon.webp
+icon-small.webp

charts/system/lvm-disk-watcher/Chart.yaml

@@ -0,0 +1,37 @@
+annotations:
+  max_scale_version: 24.04.1
+  min_scale_version: 24.04.0
+  truecharts.org/category: operators
+  truecharts.org/max_helm_version: "3.15"
+  truecharts.org/min_helm_version: "3.11"
+  truecharts.org/train: system
+apiVersion: v2
+appVersion: latest
+dependencies:
+  - name: common
+    version: 24.1.5
+    repository: oci://tccr.io/truecharts
+    condition: ""
+    alias: ""
+    tags: []
+    import-values: []
+deprecated: false
+description: Watches for empty disk to setup with LVM for use with TopoLVM
+home: https://truecharts.org/charts/system/lvm-disk-watcher
+icon: https://truecharts.org/img/hotlink-ok/chart-icons/lvm-disk-watcher.webp
+keywords:
+  - lvm-disk-watcher
+  - loadbalancer
+kubeVersion: '>=1.24.0-0'
+maintainers:
+  - name: TrueCharts
+    email: [email protected]
+    url: https://truecharts.org
+name: lvm-disk-watcher
+sources:
+  - https://github.com/lvm-disk-watcher/lvm-disk-watcher
+  - https://github.com/truecharts/charts/tree/master/charts/system/lvm-disk-watcher
+  - https://github.com/truecharts/containers/tree/master/apps/alpine
+  - https://lvm-disk-watcher.universe.tf
+type: application
+version: 0.0.1

charts/system/lvm-disk-watcher/README.md

@@ -0,0 +1,61 @@
+---
+title: README
+---
+
+## General Info
+
+TrueCharts can be installed as both _normal_ Helm Charts or as TrueNAS SCALE Apps.
+Both solutions are fully supported, but we heavily advice the use of normal Helm Charts where possible
+
+For more information about this Chart, please check the docs on the TrueCharts [website](https://truecharts.org/charts/system/spegel)
+
+**This chart is not maintained by the upstream project and any issues with the chart should be raised [here](https://github.com/truecharts/charts/issues/new/choose)**
+
+## Installation
+
+### Helm-Chart installation
+
+To install TrueCharts Helm charts using Helm, you can use our OCI Repository.
+
+`helm install mychart oci://tccr.io/truecharts/spegel`
+
+For more information on how to install TrueCharts Helm charts, checkout the [instructions on the website](/guides)
+
+
+### TrueNAS SCALE Apps
+
+For more information on how to use TrueCharts as TrueNAS SCALE Apps, please checkout the [quick-start guides for TrueNAS SCALE](/deprecated/scale).
+
+## Chart Specific Guides and information
+
+All our charts have dedicated documentation pages.
+The documentation for this chart can be found here:
+https://truecharts.org/charts/system/spegel
+
+## Configuration Options
+
+Please note: For TrueNAS SCALE, only options available in the GUI are supported.
+Hence most of these docs do not apply to TrueNAS SCALE
+
+To view the chart specific options, please view Values.yaml included in the chart.
+The most recent version of which, is available here: https://github.com/truecharts/charts/blob/master/charts/system/spegel/values.yaml
+
+All our Charts use a shared "common" library chart that contains most of the templating and options.
+For the complete overview of all available options, please checkout the documentation for them on the [common docs on our website](/common)
+
+For information about the common chart and all defaults included with it, please review its values.yaml file available here: https://github.com/truecharts/library-charts/blob/main/library/common/values.yaml
+
+## Support
+
+- See the [Website](https://truecharts.org)
+- Check our [Discord](https://discord.gg/tVsPTHWTtr)
+- Open a [issue](https://github.com/truecharts/charts/issues/new/choose)
+
+---
+
+## Sponsor TrueCharts
+
+TrueCharts can only exist due to the incredible effort of our staff.
+Please consider making a [donation](/general/sponsor) or contributing back to the project any way you can!
+
+_All Rights Reserved - The TrueCharts Project_

charts/system/lvm-disk-watcher/templates/NOTES.txt

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+{{- include "tc.v1.common.lib.chart.notes" $ -}}

charts/system/lvm-disk-watcher/templates/common.yaml

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+{{/* Make sure all variables are set properly */}}
+{{- include "tc.v1.common.loader.init" . }}
+
+{{/* Render the templates */}}
+{{ include "tc.v1.common.loader.apply" . }}

charts/system/lvm-disk-watcher/values.yaml

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+image:
+  repository: tccr.io/tccr/lvm-disk-watcher
+  pullPolicy: IfNotPresent
+  tag: v3.18.4
+
+service:
+  main:
+    enabled: false
+    ports:
+      main:
+        enabled: false
+
+workload:
+  main:
+    type: DaemonSet
+    podSpec:
+      containers:
+        main:
+          env:
+            NODE_NAME:
+              fieldRef:
+                fieldPath: spec.nodeName
+          probes:
+            liveness:
+              enabled: false
+            readiness:
+              enabled: false
+            startup:
+              enabled: false
+
+
+configmap:
+  disk-config:
+    enabled: true
+    data:
+      disk-config: |
+        k8s-control-1: all
+
+persistence:
+  disk-config:
+    enabled: true
+    type: configmap
+    objectName: disk-config
+    defaultMode: "0777"
+    mountPath: /config/disk-config
+
+  dev:
+    enabled: true
+    type: hostPath
+    mountPath: /dev
+    hostPath: /dev
+
+securityContext:
+  container:
+    runAsUser: 0
+    runAsGroup: 0
+    allowPrivilegeEscalation: true
+    privileged: true
+    capabilities:
+      drop:
+        - ALL
+      add: ["SYS_ADMIN", "MKNOD", "SYS_RAWIO", "SYS_PTRACE", "NET_ADMIN", "SYS_MODULE"]
+  pod:
+    fsGroup: 0
+    fsGroupChangePolicy: OnRootMismatch
+
+portal:
+  open:
+    enabled: false