fix(Traefik Proxy): supported ingressRoute.*.annotations breaks templating

Author: SIMULATAN

traefik/templates/ingressroute.yaml

@@ -4,7 +4,7 @@
 {{- if and $.Values.ingressClass.enabled $.Values.providers.kubernetesCRD.enabled $.Values.providers.kubernetesCRD.ingressClass }}
   {{ $ingressClassAnnotations = dict "kubernetes.io/ingress.class" $.Values.providers.kubernetesCRD.ingressClass }}
 {{- end }}
-{{ $annotations := merge $ingressClassAnnotations $config.annotations }}
+{{ $annotations := merge $ingressClassAnnotations (default $config.annotations dict) }}
 ---
 apiVersion: traefik.io/v1alpha1
 kind: IngressRoute

traefik/tests/unsupported-ingressroute_test.yaml

@@ -0,0 +1,15 @@
+suite: unsupported IngressRoute configuration
+templates:
+- ingressroute.yaml
+tests:
+- it: should not fail when enabling an unsupported IngressRoute
+  set:
+    ingressRoute:
+      api:
+        enabled: true
+  asserts:
+  - hasDocuments:
+      count: 1
+  - equal:
+      path: metadata.name
+      value: RELEASE-NAME-api

traefik/values.yaml

@@ -185,6 +185,7 @@ gatewayClass:  # @schema additionalProperties: false
   # -- Additional gatewayClass labels (e.g. for filtering gateway objects by custom labels)
   labels: {}
 
+# -- Only dashboard & healthcheck IngressRoute are supported. It's recommended to create workloads CR outside of this Chart.
 ingressRoute:
   dashboard:
     # -- Create an IngressRoute for the dashboard