fix(pihole): support v5 and v6

[tJouve]

Description

Implementation for the PiHole provider to be compatible qith the PiHole V6 version.
This version change the API of PiHole. This PR implement the new one.

Fixes #5113

Checklist

• Unit tests updated
• End user documentation updated

[linux-foundation-easycla]

• ✅ login: tJouve (08c1eb3, 698d8ea, 5936c53, 629768a, bf843ac, 6998527, e11ba60, 941fbca, 5ccd2d3, a6de9b5, 5eae8a9, 3604f2d, 27c24c0, b233c82, 6a4d847, f76efac, 77b0ad3, 90764c3, 5d52048, 20aae28, 3caa451, b7c0a39, ffc1b11, cfe03f5, e79cce9, 6e8c29d)
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[k8s-ci-robot]

Hi @tJouve. Thanks for your PR.

I'm waiting for a kubernetes-sigs member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

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[ivankatliarchuk]

/ok-to-test
/label tide/merge-method-squash

Could you do rebase from master and sign CLA?

[ivankatliarchuk]

need some time to review/dive-in into an actual code

Is there is any tutorial how to configure pi-hole with minikube or kind?

[tJouve]

need some time to review/dive-in into an actual code

Is there is any tutorial how to configure pi-hole with minikube or kind?

You can use this manifest, external dns config example is available here :

apiVersion: v1
kind: Service
metadata:
  name: pihole-service
spec:
  selector:
    app.kubernetes.io/name: pihole
  ports:
    - protocol: TCP
      port: 53
      name: pihole-dns-tcp
    - protocol: UDP
      port: 53
      name: pihole-dns-udp
    - protocol: TCP
      port: 80
      name: http
---
apiVersion: v1
kind: Pod
metadata:
  name: pihole
  labels:
    app.kubernetes.io/name: pihole
spec:
  containers:
    - name: pihole
      image: pihole/pihole:2025.02.4
      env:
        - name: FTLCONF_dns_upstreams
          value: "8.8.8.8"
        - name: FTLCONF_webserver_api_password
          value: "piholeadmin"
        - name: FTLCONF_dns_listeningMode
          value: 'all'
      ports:
        - containerPort: 80
          name: http
          protocol: TCP
        - containerPort: 53
          name: pihole-dns-tcp
          protocol: TCP
        - containerPort: 53
          name: pihole-dns-udp
          protocol: UDP
      volumeMounts:
        - mountPath: /etc/pihole
          name: pihole
        - mountPath: /etc/dnsmasq.d
          name: dnsmasq
  volumes:
  - name: pihole
    emptyDir:
      sizeLimit: 50Mi
  - name: dnsmasq
    emptyDir:
      sizeLimit: 50Mi

[tJouve]

/retest

[RonaldPhilipsen]

Let me know if you need anyone to test this, I'd love to get this working in my cluster

[ivankatliarchuk]

/retitle fix(pihole): support v5 and v6

[ivankatliarchuk]

need to sign CLA so we could do a review

[tJouve]

No news from the other contributor regarding CLA I create an other PR from a squash branch.

See #5226