fix(pihole): fix pihole (#9229)

**Description**
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⚒️ Fixes  # <!--(issue)-->

**⚙️ Type of change**

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

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**✔️ 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
- [x] ⚠️ 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/incubator/pihole/Chart.yaml

@@ -22,7 +22,7 @@ sources:
   - https://github.com/pi-hole
   - https://github.com/pi-hole/docker-pi-hole
 type: application
-version: 10.0.0
+version: 10.0.1
 annotations:
   truecharts.org/catagories: |
     - networking

charts/incubator/pihole/questions.yaml

@@ -27,25 +27,25 @@ questions:
       additional_attrs: true
       type: dict
       attrs:
-        - variable: WEBPASSWORD
-          label: "WEBPASSWORD"
+        - variable: webPassword
+          label: "Web Password"
           description: "Sets admin password for the GUI"
           schema:
             type: string
             default: ""
             required: true
-        - variable: DNS1
-          label: "DNS1"
-          description: "Sets the first DNS server (use #port suffix for ports)"
+        - variable: dnsServers
+          label: "DNS Servers"
+          description: "Set DNS servers. Max 2. Use #port suffix for ports"
+          schema:
+            type: list
+            default: ["9.9.9.9", "149.112.112.112"]
+            items:
+              - variable: dnsEntry
+                label: "DNS Server Entry"
                 schema:
                   type: string
-            default: "9.9.9.9"
-        - variable: DNS2
-          label: "DNS2"
-          description: "Sets the second DNS server (use #port suffix for ports), only if DNS1 is entered"
-          schema:
-            type: string
-            default: "149.112.112.112"
+                  default: ""
 # Include{podOptions}
 # Include{serviceRoot}
         - variable: main

charts/incubator/pihole/templates/_configmap.tpl

@@ -1,9 +1,14 @@
 {{/* Define the configmap */}}
 {{- define "pihole.configmap" -}}
+configmap:
+  pihole-env:
     enabled: true
     data:
-  WEBPASSWORD: {{ .Values.pihole.WEBPASSWORD | squote }}
-  {{- if .Values.pihole.DNS1 }}
-  "PIHOLE_DNS_": {{ if .Values.pihole.DNS2 }}{{ ( printf "%v;%v" .Values.pihole.DNS1 .Values.pihole.DNS2 ) | squote }}{{ else }}{{ .Values.pihole.DNS1 | squote }}{{ end }}
+      WEBPASSWORD: {{ .Values.pihole.webPassword | squote }}
+      {{- with .Values.pihole.dnsServers }}
+        {{- if gt (len .) 2 -}}
+          {{- fail (printf "Pihole - Expected max 2 DNS Servers. But got [%v]" (len .)) -}}
+        {{- end }}
+      PIHOLE_DNS_: {{ join ";" . | quote }}
       {{- end }}
 {{- end -}}

charts/incubator/pihole/values.yaml

@@ -3,11 +3,16 @@ image:
   pullPolicy: IfNotPresent
   tag: 2023.03.1@sha256:e48aa04bcdef84fb42f35fa2aaf54dd3ee868e2b80ab535a0ca59a8c6901453b
 
+pihole:
+  webPassword: "somepassword"
+  dnsServers:
+    - "9.9.9.9"
+    - "149.112.112.112"
+
 securityContext:
   container:
     readOnlyRootFilesystem: false
     runAsNonRoot: false
-    allowPrivilegeEscalation: true
     runAsUser: 0
     runAsGroup: 0
     capabilities:
@@ -22,6 +27,9 @@ workload:
     podSpec:
       containers:
         main:
+          envFrom:
+            - configMapRef:
+                name: pihole-env
           probes:
             liveness:
               type: http
@@ -33,10 +41,6 @@ workload:
               type: http
               path: /admin/index.php
 
-envFrom:
-  - configMapRef:
-      name: pihole-env
-
 service:
   main:
     ports:
@@ -59,11 +63,6 @@ service:
         port: 53
         targetPort: 53
 
-pihole:
-  WEBPASSWORD: "somepassword"
-  DNS1: "9.9.9.9"
-  DNS2: "149.112.112.112"
-
 persistence:
   config:
     enabled: true