fix: ingressclass name should be customizable (#864)

Co-authored-by: Michel Loiseleur <97035654+mloiseleur@users.noreply.github.com>
Co-authored-by: Rémi BUISSON <remi-buisson@orange.fr>

traefik/templates/ingressclass.yaml

@@ -15,7 +15,7 @@ metadata:
     ingressclass.kubernetes.io/is-default-class: {{ .Values.ingressClass.isDefaultClass | quote }}
   labels:
     {{- include "traefik.labels" . | nindent 4 }}
-  name: {{ template "traefik.fullname" . }}
+  name: {{ .Values.ingressClass.name | default (include "traefik.fullname" .) }}
 spec:
   controller: traefik.io/ingress-controller
 {{- end -}}

traefik/tests/ingressclass-config_test.yaml

@@ -65,3 +65,18 @@ tests:
     asserts:
       - failedTemplate:
           errorMessage: "You must use at least Kubernetes v1.16 with this Chart"
+  - it: should be possible to provide an IngressClass name
+    capabilities:
+      majorVersion: 1
+      minorVersion: 19
+    set:
+      ingressClass:
+        name: nondefaultname
+    asserts:
+      - isKind:
+          of: IngressClass
+      - isAPIVersion:
+          of: networking.k8s.io/v1
+      - equal:
+          path: metadata.name
+          value: nondefaultname

traefik/values.yaml

@@ -105,6 +105,7 @@ podDisruptionBudget:
 ingressClass:
   enabled: true
   isDefaultClass: true
+  # name: my-custom-class
 
 # Traefik experimental features
 experimental: