feat: prepare for traefik migration

Author: Nastaliss

k8s/projects-frontend/templates/ingress.yaml

@@ -1,3 +1,39 @@
+{{- if .Values.traefik }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  labels:
+    {{- tpl (.Values.commonLabels  | toYaml | nindent 4 ) $ }}
+  name: {{ tpl .Values.fullName . }}
+  annotations:
+    kubernetes.io/ingress.class: traefik
+    cert-manager.io/cluster-issuer: letsencrypt-prod-traefik
+spec:
+  rules:
+    - host: {{ .Values.hostname }}
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ tpl .Values.fullName . }}
+                port:
+                {{- /* Allow passing a boolean as a string, for applicationset */}}
+                {{- /* https://argo-cd.readthedocs.io/en/stable/operator-manual/applicationset/GoTemplate/#limitations*/}}
+                {{- if eq "true" (.Values.maintenance.enabled | toString) }}
+                  number: {{ .Values.maintenance.portNumber }}
+                {{- else }}
+                  name: http
+                {{- end }}
+  tls:
+    - hosts:
+        - {{.Values.hostname }}
+        # Required as cert is checked before www -> non-www redirect
+        # https://github.com/kubernetes/ingress-nginx/issues/2043
+        - {{ printf "www.%s" .Values.hostname }}
+      secretName: {{.Values.hostname }}-tls
+{{- else }}
 apiVersion: networking.k8s.io/v1
 kind: Ingress
 metadata:
@@ -31,3 +67,4 @@ spec:
         # https://github.com/kubernetes/ingress-nginx/issues/2043
         - {{ printf "www.%s" .Values.hostname }}
       secretName: {{.Values.hostname }}-tls
+{{- end }}

k8s/projects-frontend/values.yaml

@@ -109,3 +109,5 @@ e2e:
     limits:
       cpu: 1200m
       memory: 1.5Gi
+
+traefik: false