refactor: remove old certificate secret file

.github/dependabot.yml

@@ -55,6 +55,7 @@ updates:
       - "/kubernetes/system/blocky"
       - "/kubernetes/system/caddy"
       - "/kubernetes/system/cert-manager"
+      - "/kubernetes/system/cert-manager-webhook-ovh"
       - "/kubernetes/system/coredns"
       - "/kubernetes/system/csi-driver-nfs"
       - "/kubernetes/system/external-dns"

kubernetes/system/caddy/caddyfile.yaml

@@ -2,7 +2,7 @@
 # This file contains all route definitions, imported by the main Caddyfile.
 # Edit this file to add/modify routes.
 #
-# Certificate files are mounted from the caddy-certificates Secret
+# Certificate files are mounted from cert-manager-managed TLS Secrets
 # at /etc/caddy/certs/
 
 apiVersion: v1

kubernetes/system/caddy/values.yaml

@@ -10,7 +10,7 @@ image:
     repository: caddy
     pullPolicy: IfNotPresent
     tagSuffix: ""
-    tag: 2.11.4
+    tag: 2.11.2
 service:
     type: LoadBalancer
     externalTrafficPolicy: Local

kubernetes/system/cert-manager-issuer/clusterissuer.yaml

@@ -22,17 +22,21 @@ spec:
           dnsZones:
             - vhaudiquet.fr
             - buildpath.win
-      # OVH solver for semery.fr
+      # OVH solver for semery.fr (via cert-manager-webhook-ovh)
       - dns01:
-          ovh:
+          webhook:
+            groupName: acme.aureq.com
+            solverName: ovh
+            config:
               endpoint: ovh-eu
+              authenticationMethod: application
               applicationKeyRef:
                 name: ovh-credentials
                 key: applicationKey
               applicationSecretRef:
                 name: ovh-credentials
                 key: applicationSecret
-            consumerKeyRef:
+              applicationConsumerKeyRef:
                 name: ovh-credentials
                 key: consumerKey
         selector:

kubernetes/system/cert-manager-issuer/kustomization.yaml

@@ -3,3 +3,5 @@ apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
   - clusterissuer.yaml
+  - ovh-credentials-secret.yaml
+  - ovh-secret-reader-rbac.yaml

kubernetes/system/cert-manager-issuer/ovh-credentials-secret.yaml

@@ -0,0 +1,50 @@
+# OVH API Credentials for DNS-01 Challenges
+#
+# OVH API credentials with the following permissions:
+#   - GET, POST, PUT, DELETE on /domain/zone/*
+#
+# The secret MUST live in the cert-manager-webhook-ovh namespace (cert-manager),
+# because for a ClusterIssuer cert-manager sets the webhook's ResourceNamespace
+# to the webhook's own namespace, and the webhook looks up credential secrets
+# there (see ch.ResourceNamespace in the webhook's ovhClient() function).
+#
+# SOPS will encrypt the stringData fields on pre-commit.
+apiVersion: v1
+kind: Secret
+metadata:
+    name: ovh-credentials
+    namespace: cert-manager
+    labels:
+        app.kubernetes.io/name: cert-manager-webhook-ovh
+        app.kubernetes.io/component: ovh-credentials
+type: Opaque
+stringData:
+    applicationKey: ENC[AES256_GCM,data:0+y+m8n/eup5lY/vGW5ASQ==,iv:VSIhfNAvSNOLq92TVcaW54ygU1wgAv+u35HZ0cbP6UU=,tag:KD+cyIesTQgqEzGMro8xyA==,type:str]
+    applicationSecret: ENC[AES256_GCM,data:sP0febHRFF/atAFlRM6sYXoM+Lp6Rnf7d0IQKcsa0vY=,iv:nHYMHSsOclkZmQJSjcz2oXMHsDTct5hTmJz1L7xgvpA=,tag:oCGoRP7R0W+PTNRCeLFvyg==,type:str]
+    consumerKey: ENC[AES256_GCM,data:vw/Q39CpSc5o1ntPDMT3844aLbTHQrSYH8RhoZFFZrQ=,iv:6B0F9Zq56inpW7AS8okbpqJkRK3WkBjX6sIqclOP9Hs=,tag:nnbgwBMBM4JZg/IEYzRvVw==,type:str]
+sops:
+    lastmodified: "2026-07-10T05:06:52Z"
+    mac: ENC[AES256_GCM,data:0/VEDE1ZuIyzkaleosS/KHYX44762TbScrJGJylwV21d7U6YgpwRMOXvU9xn3rHsDXnh5IAmAtrXQTYJFN1vcF1DNw5O9+TQKVoO6B5rsel/YyKRU4s7aYcfDgbW9dO1wn33K65KFtM+0Qv187DzEn1by449TgWIWP/M5U40PE4=,iv:hIGzMwsas8VxC4941ABeoocYWSlVSz9KW7a5tTAoRXI=,tag:n/EJEkEBL20carqVesMBsw==,type:str]
+    pgp:
+        - created_at: "2026-07-10T05:06:52Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hQIMA7uy4qQr71wiARAAu0va03SPYOU23iUjoTMiXJ6+nMhIX8lsurvmCvi+wIqk
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+            Dhpb9OXKdi2IVYdbaY8+3UfSsXxTVOge7jCMbJq3aa7ZvGt5fTjXG4zc9A6RqSGh
+            ASOPSkRRSZB0d97NhUQJGgfcaWFvsfkaTAUVB2Ip/+Udnt/tGIE99RGJizxSVO9N
+            2aVJIukqng8aNPfth8mgWYJpCETMb4piLmVg2ptDqelCqXlUAskxWzMWtAhyzOgw
+            lZ2dcAn7aj9YtLaKAW9rjV8EqHEqQg0ychRNMeyRiN/CnNJp6Q2wl1/EyQUpzb0a
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+            Yhl38JDAn5NZBEzxpuaih1XK5yVri0/1ascpuMvfOxLKniUR9tla8+WEL97+aejS
+            XgGsrH+/uzRVSAT+44rExi43MWCAwNRUaVrX8UiGjA/z8qPVdwBVih4CMKgfQ8VW
+            1KewStOY217BXuVrDbvHEAkuOotEP0Jnan0epoWs47DSasNgzAcWrBgom0l/avI=
+            =Gdou
+            -----END PGP MESSAGE-----
+          fp: DC6910268E657FF70BA7EC289974494E76938DDC
+    encrypted_regex: ^(data|stringData|.*.key|.*.crt)$
+    version: 3.10.2

kubernetes/system/cert-manager-issuer/ovh-secret-reader-rbac.yaml

@@ -0,0 +1,41 @@
+# RBAC granting the cert-manager-webhook-ovh service account read access to the
+# OVH credentials secret.
+#
+# The cert-manager-webhook-ovh chart only auto-creates this secret-reader Role
+# when using its built-in `issuers[]` mechanism. Since we manage the
+# ClusterIssuer and the credentials secret manually, we declare the RBAC here.
+#
+# The webhook runs in the cert-manager namespace under the
+# `cert-manager-webhook-ovh` service account (created by the Helm release).
+apiVersion: rbac.authorization.k8s.io/v1
+kind: Role
+metadata:
+    name: cert-manager-webhook-ovh:ovh-secret-reader
+    namespace: cert-manager
+    labels:
+        app.kubernetes.io/name: cert-manager-webhook-ovh
+        app.kubernetes.io/component: ovh-secret-reader
+rules:
+    - apiGroups: [""]
+      resources: ["secrets"]
+      verbs: ["get", "watch"]
+      resourceNames:
+          - ovh-credentials
+---
+apiVersion: rbac.authorization.k8s.io/v1
+kind: RoleBinding
+metadata:
+    name: cert-manager-webhook-ovh:ovh-secret-reader
+    namespace: cert-manager
+    labels:
+        app.kubernetes.io/name: cert-manager-webhook-ovh
+        app.kubernetes.io/component: ovh-secret-reader
+roleRef:
+    apiGroup: rbac.authorization.k8s.io
+    kind: Role
+    name: cert-manager-webhook-ovh:ovh-secret-reader
+subjects:
+    - apiGroup: ""
+      kind: ServiceAccount
+      name: cert-manager-webhook-ovh
+      namespace: cert-manager

kubernetes/system/cert-manager-webhook-ovh/kustomization.yaml

@@ -0,0 +1,12 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+namespace: cert-manager
+resources:
+  - repository.yaml
+  - release.yaml
+secretGenerator:
+  - name: cert-manager-webhook-ovh-values
+    files:
+      - values.yaml=values.yaml
+configurations:
+  - kustomizeconfig.yaml

kubernetes/system/cert-manager-webhook-ovh/kustomizeconfig.yaml

@@ -0,0 +1,11 @@
+nameReference:
+  - kind: HelmRepository
+    version: v1
+    fieldSpecs:
+      - path: spec/chart/spec/sourceRef/name
+        kind: HelmRelease
+  - kind: Secret
+    version: v1
+    fieldSpecs:
+      - path: spec/valuesFrom/name
+        kind: HelmRelease

kubernetes/system/cert-manager-webhook-ovh/release.yaml

@@ -0,0 +1,19 @@
+apiVersion: helm.toolkit.fluxcd.io/v2
+kind: HelmRelease
+metadata:
+  name: cert-manager-webhook-ovh
+  namespace: cert-manager
+spec:
+  interval: 1m
+  chart:
+    spec:
+      sourceRef:
+        kind: HelmRepository
+        name: cert-manager-webhook-ovh
+        namespace: cert-manager
+      chart: cert-manager-webhook-ovh
+      version: "v0.9.13"
+      interval: 1m
+  valuesFrom:
+    - kind: Secret
+      name: cert-manager-webhook-ovh-values

kubernetes/system/cert-manager-webhook-ovh/repository.yaml

@@ -0,0 +1,8 @@
+apiVersion: source.toolkit.fluxcd.io/v1
+kind: HelmRepository
+metadata:
+  name: cert-manager-webhook-ovh
+  namespace: cert-manager
+spec:
+  interval: 1m
+  url: https://aureq.github.io/cert-manager-webhook-ovh

kubernetes/system/cert-manager-webhook-ovh/values.yaml

@@ -0,0 +1,45 @@
+# cert-manager-webhook-ovh Values
+# groupName must match the ClusterIssuer webhook stanza
+groupName: acme.aureq.com
+# cert-manager deployment configuration for RBAC
+# The webhook creates ClusterRole/RoleBinding so cert-manager's
+# service account can create the "ovh" ChallengePayload resources
+certManager:
+    namespace: cert-manager
+    serviceAccountName: cert-manager
+# Pod configuration
+pod:
+    replicas: 1
+    resources:
+        requests:
+            cpu: 10m
+            memory: 32Mi
+        limits:
+            cpu: 100m
+            memory: 128Mi
+sops:
+    lastmodified: "2026-07-09T22:31:08Z"
+    mac: ENC[AES256_GCM,data:QjrNj355tJVZRsYQdkM73Ld7X8EvMM7O/1vF3QnTYJ9vWbh78irLocbtnyBeaR9o3g0mxO6Ugjlukj+S0HhIX/WS1XHEfs/3n3rE0zS/fxGJ0D3Alam/n/WPOsYHUiCBD86JtU83AjgncISY4yp/VheV3kRgSdl+ye4AGAjhq7A=,iv:p8yqNCcskTfDfEGbM5Qyb60C4pFv4BOuLpEApEzHLFY=,tag:KntExeQwJbBREaz2nY+1uQ==,type:str]
+    pgp:
+        - created_at: "2026-07-09T22:31:08Z"
+          enc: |-
+            -----BEGIN PGP MESSAGE-----
+
+            hQIMA7uy4qQr71wiAQ/8Dn4nEIbQXuETxE6RUBkNTO/eN5pHh47lqSwBBbYDSi8C
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+            SNeR/X8xUksK6R4/uTmUx5sgF+Jv7tCRvcp+DhsDe1mMmO8czXC5Mt3cR+uwYoms
+            hN+9/oYEZr13qn5Ek0dy9NESkZIzYPCXYXZrx8GLqaHCJEQbpIZCAN+llOyQaQzU
+            jcvPAYbTewBw4ewKUS0KcvLd1pfzvYyvtzwHuMIVJwrf7x5bzhzxAgVOGkEVlVq/
+            7pGO9TYXGl3kD7tf25oCGzAerVC+EVcL11sq4zawvL4PovEZFP9mzhR7EfY3t/3C
+            vGVu6vPmCJOwdis9+Kdr3PKubnMqWGn5KCCX1x13qhsHc239N7cVKkyx3dTBaArS
+            XAG6KxKe/cQicIVC8/N1Cna9uQnTF5ZnFVfJNW1nkYyF1E+ofW6kKDr3ITotKLDP
+            hXXPT+vsB2fL3faBG4xb6owrMuQ1S0DmB3mqjSCXtpS7q0FDg22Tq9BtaEni
+            =x1th
+            -----END PGP MESSAGE-----
+          fp: DC6910268E657FF70BA7EC289974494E76938DDC
+    encrypted_regex: ^(password|value|ssh-key|api-key|user|username|privateKey|clientSecret|clientId|apiKey|extraArgs.*|.*Secret.*|extraEnvVars|.*SECRET.*|.*secret.*|key|.*Password|.*\.ya?ml)$
+    version: 3.10.2

kubernetes/system/cert-manager/kustomization.yaml

@@ -6,7 +6,6 @@ resources:
   - repository.yaml
   - release.yaml
   - cloudflare-api-token-secret.yaml
-  - ovh-credentials-secret.yaml
 secretGenerator:
   - name: cert-manager-values
     files:

kubernetes/system/cert-manager/ovh-credentials-secret.yaml

@@ -1,45 +0,0 @@
-# OVH API Credentials for DNS-01 Challenges
-#
-# OVH API credentials with the following permissions:
-#   - GET, POST, PUT, DELETE on /domain/zone/*
-#
-# SOPS will encrypt them on pre-commit.
-apiVersion: v1
-kind: Secret
-metadata:
-    name: ovh-credentials
-    namespace: cert-manager
-    labels:
-        app.kubernetes.io/name: cert-manager
-        app.kubernetes.io/component: ovh-credentials
-type: Opaque
-stringData:
-    applicationKey: ENC[AES256_GCM,data:YhH6Ty+JJOelaq7G975wLw==,iv:zbwPRv1tdsyoN+rFoOIItzYC7wmv20zMX/ij6RnC8cI=,tag:n+NIrIp9IgunK9ZD15cULA==,type:str]
-    applicationSecret: ENC[AES256_GCM,data:5jxfV5a0jyCtXQKZJjxNmNTiyZ71nLoP0A/KYm+oQ9k=,iv:77SewJ13vouMbEey2oZav32bHsi/cvyKgE1VQapdzhw=,tag:Be58t/rpZrbHun3mMzrWww==,type:str]
-    consumerKey: ENC[AES256_GCM,data:zYTI4cHz36Is5pwUObL9XPDi6XEftonrjz+32jsNkEM=,iv:saNZrLThBa0b+D7S37IO2WpUmnm7ixshMbJaryZzYuE=,tag:v/BhwdJVlxDaeBi570b3Ig==,type:str]
-sops:
-    lastmodified: "2026-07-09T21:17:10Z"
-    mac: ENC[AES256_GCM,data:pakPqwigSb9Q1nuAcT4w4VumqQ1f1AGGx3WqNASs04eN/RxhWE+LQbY8BgNQ/YUx6HveypU6UH+ppMgPDwCZS7tUwTR/tXpDp/r3WIlhoQghtNGVp/eCpj9Tu91rnjc9Prv9wH8AWaJESeuK5dhZm+LAIvUczP3a+mUhQkXTtok=,iv:WQPfvLOODtvv88+vcTHMfiYcskS394mw+xBPacgCEgw=,tag:l5VMpNnInaeTXWWfkVonrw==,type:str]
-    pgp:
-        - created_at: "2026-07-09T21:17:10Z"
-          enc: |-
-            -----BEGIN PGP MESSAGE-----
-
-            hQIMA7uy4qQr71wiARAAn1Wjcdq7Asc920TamGFdlQiDJa4T5iZKJohtXWbJXMSK
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-            HBTYvvIdEdXMn3hRalYzyuayKCiC6WEl/UKzXLiCiu94ijbaKqlOtW07anP/
-            =B+/W
-            -----END PGP MESSAGE-----
-          fp: DC6910268E657FF70BA7EC289974494E76938DDC
-    encrypted_regex: ^(data|stringData|.*.key|.*.crt)$
-    version: 3.10.2

kubernetes/system/flux/cert-manager-issuer.yaml

@@ -14,6 +14,7 @@ spec:
   path: ./kubernetes/system/cert-manager-issuer
   dependsOn:
     - name: cert-manager
+    - name: cert-manager-webhook-ovh
   decryption:
     provider: sops
     secretRef:

kubernetes/system/flux/cert-manager-webhook-ovh.yaml

@@ -0,0 +1,20 @@
+# Flux Kustomization for cert-manager-webhook-ovh
+# Depends on cert-manager being fully operational (CRDs installed)
+apiVersion: kustomize.toolkit.fluxcd.io/v1
+kind: Kustomization
+metadata:
+  name: cert-manager-webhook-ovh
+  namespace: flux-system
+spec:
+  interval: 10m
+  prune: true
+  sourceRef:
+    kind: GitRepository
+    name: homeprod
+  path: ./kubernetes/system/cert-manager-webhook-ovh
+  dependsOn:
+    - name: cert-manager
+  decryption:
+    provider: sops
+    secretRef:
+      name: flux-sops

kubernetes/system/flux/kustomization.yaml

@@ -5,4 +5,5 @@ kind: Kustomization
 resources:
   - webhook.yaml
   - cert-manager.yaml
+  - cert-manager-webhook-ovh.yaml
   - cert-manager-issuer.yaml