feat(kuma-cp): expose kuma-cp gui through ingress (#4101)

Signed-off-by: Łukasz Dziedziak <lukidzi@gmail.com>

deployments/charts/kuma/README.md

@@ -32,6 +32,12 @@ A Helm chart for the Kuma Control Plane
 | controlPlane.service.name | string | `nil` | Optionally override of the Kuma Control Plane Service's name |
 | controlPlane.service.type | string | `"ClusterIP"` | Service type of the Kuma Control Plane |
 | controlPlane.service.annotations | object | `{}` | Additional annotations to put on the Kuma Control Plane |
+| controlPlane.ingress.enabled | bool | `false` | Install K8s Ingress resource that exposes GUI and API |
+| controlPlane.ingress.ingressClassName | string | `nil` | IngressClass defines which controller will implement the resource |
+| controlPlane.ingress.hostname | string | `nil` | Ingress hostname |
+| controlPlane.ingress.annotations | object | `{}` | Map of ingress annotations. |
+| controlPlane.ingress.path | string | `"/"` | Ingress path. |
+| controlPlane.ingress.pathType | string | `"ImplementationSpecific"` | Each path in an Ingress is required to have a corresponding path type. (ImplementationSpecific/Exact/Prefix) |
 | controlPlane.globalZoneSyncService | object | `{"annotations":{},"loadBalancerIP":null,"port":5685,"type":"LoadBalancer"}` | URL of Global Kuma CP |
 | controlPlane.globalZoneSyncService.type | string | `"LoadBalancer"` | Service type of the Global-zone sync |
 | controlPlane.globalZoneSyncService.loadBalancerIP | string | `nil` | Optionally specify IP to be used by cloud provider when configuring load balancer |

deployments/charts/kuma/templates/cp-ingress.yaml

@@ -0,0 +1,24 @@
+{{- if .Values.controlPlane.ingress.enabled }}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "kuma.controlPlane.serviceName" . }}
+  namespace: {{ .Release.Namespace }}
+  {{- with .Values.controlPlane.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  ingressClassName: {{ .Values.controlPlane.ingress.ingressClassName }}
+  rules:
+  - host: {{ .Values.controlPlane.ingress.hostname }}
+    http:
+      paths:
+      - path: {{ .Values.controlPlane.ingress.path }}
+        pathType: {{ .Values.controlPlane.ingress.pathType }}
+        backend:
+          service:
+            name: {{ include "kuma.controlPlane.serviceName" . }}
+            port:
+              number: 5681
+{{- end }}

deployments/charts/kuma/values.yaml

@@ -75,6 +75,22 @@ controlPlane:
     # -- Additional annotations to put on the Kuma Control Plane
     annotations: { }
 
+  # Kuma API and GUI ingress settings. Useful if you want to expose the
+  # API and GUI of Kuma outside the k8s cluster.
+  ingress:
+    # -- Install K8s Ingress resource that exposes GUI and API
+    enabled: false
+    # -- IngressClass defines which controller will implement the resource
+    ingressClassName:
+    # -- Ingress hostname
+    hostname:
+    # -- Map of ingress annotations.
+    annotations: {}
+    # -- Ingress path.
+    path: /
+    # -- Each path in an Ingress is required to have a corresponding path type. (ImplementationSpecific/Exact/Prefix)
+    pathType: ImplementationSpecific
+
   # -- URL of Global Kuma CP
   globalZoneSyncService:
     # -- Service type of the Global-zone sync