feat(radarr) add exportarr sidecar to radarr (#10714)

**Description**
Add exportarr metrics sidecar

⚒️ Fixes  # <!--(issue)-->

**⚙️ 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?**
<!--
Please describe the tests that you ran to verify your changes. Provide
instructions so we can reproduce. Please also list any relevant details
for your test configuration
-->

**📃 Notes:**
<!-- Please enter any other relevant information here -->

**✔️ Checklist:**

- [X] ⚖️ My code follows the style guidelines of this project
- [X] 👀 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
- [X] ⬆️ I increased versions for any altered app according to semantic
versioning

**➕ App addition**

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

- [ ] 🪞 I have opened a PR on
[truecharts/containers](https://github.com/truecharts/containers) adding
the container to TrueCharts mirror repo.
- [ ] 🖼️ I have added an icon in the Chart's root directory called
`icon.png`

---

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charts/stable/radarr/Chart.yaml

@@ -22,7 +22,7 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/radarr
   - https://github.com/Radarr/Radarr
 type: application
-version: 16.0.22
+version: 16.1.0
 annotations:
   truecharts.org/catagories: |
     - media

charts/stable/radarr/questions.yaml

@@ -106,6 +106,8 @@ questions:
                   default: 568
 
 # Include{resources}
+# Include{metrics}
+# Include{prometheusRule}
 # Include{advanced}
 # Include{addons}
 # Include{codeserver}

charts/stable/radarr/values.yaml

@@ -2,21 +2,30 @@ image:
   repository: tccr.io/truecharts/radarr
   pullPolicy: IfNotPresent
   tag: v4.6.4.7568@sha256:9a8bfd8c2beb92116af78bc7d71ae7e87c734115f8252180137d89291731a577
+exportarrImage:
+  repository: tccr.io/truecharts/exportarr
+  pullPolicy: IfNotPresent
+  tag: v1.5.3@sha256:f369a43b28410f12ce1b96f52187dd5c6fb9769a137ecc6f7ab8fdcfbe7db58e
+
+securityContext:
+  container:
+    readOnlyRootFilesystem: false
+
 service:
   main:
     ports:
       main:
         port: 7878
-persistence:
+  metrics:
-  config:
     enabled: true
-    mountPath: /config
+    type: ClusterIP
-portal:
+    targetSelector: exportarr
-  open:
+    ports:
+      metrics:
         enabled: true
-securityContext:
+        port: 7879
-  container:
+        targetSelector: exportarr
-    readOnlyRootFilesystem: false
+
 workload:
   main:
     podSpec:
@@ -35,6 +44,69 @@ workload:
               enabled: true
               type: http
               path: /ping
-
           env:
             RADARR__PORT: "{{ .Values.service.main.ports.main.port }}"
+  exportarr:
+    enabled: true
+    type: Deployment
+    strategy: RollingUpdate
+    replicas: 1
+    podSpec:
+      containers:
+        exportarr:
+          primary: true
+          enabled: true
+          imageSelector: exportarrImage
+          args:
+            - radarr
+          probes:
+            liveness:
+              enabled: true
+              type: http
+              path: /healthz
+              port: "{{ .Values.service.metrics.ports.metrics.port }}"
+            readiness:
+              enabled: true
+              type: http
+              path: /healthz
+              port: "{{ .Values.service.metrics.ports.metrics.port }}"
+            startup:
+              enabled: true
+              type: http
+              path: /healthz
+              port: "{{ .Values.service.metrics.ports.metrics.port }}"
+          env:
+            INTERFACE: 0.0.0.0
+            PORT: "{{ .Values.service.metrics.ports.metrics.port }}"
+            URL: "http://localhost:{{ .Values.service.main.ports.main.port }}"
+            # additional metrics (slow)
+            # ENABLE_ADDITIONAL_METRICS: false
+            # enable gathering unknown queue items
+            # ENABLE_UNKNOWN_QUEUE_ITEMS: false
+            CONFIG: "/config/config.xml"
+
+persistence:
+  config:
+    enabled: true
+    targetSelector:
+      main:
+        main:
+          mountPath: /config
+      exportarr:
+        exportarr:
+          mountPath: /config
+          readOnly: true
+
+metrics:
+  main:
+    enabled: true
+    type: "servicemonitor"
+    endpoints:
+      - port: metrics
+        path: /metrics
+    prometheusRule:
+      enabled: false
+
+portal:
+  open:
+    enabled: true