Add extra ingress template

FlowFuse · Mar 27, 2024 · a2b7f97 · a2b7f97
1 parent cf2352a
commit a2b7f97
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diff --git a/helm/flowforge/README.md b/helm/flowforge/README.md
@@ -49,7 +49,7 @@ For other values please refer to the documentation below.
  - `forge.logPassthrough` Allows Node-RED Project pods to log in JSON format to standard out, allowing this to be ingested by a logging service (default `false`)
  - `forge.labels` allows to add custom labels to the core application related objects (e.g. deployment, services, etc.) (default `{}`)
  - `forge.podLabels` allows to add custom labels to the core application pod (default `{}`)
- - `forge.replicas` allows the number of instances of the FlowFuse App to be set (default `1`)
+ - `forge.replicas` allows the number of instances of the FlowFuse App to be set. Scaling only supported with ingress-nginx controller (default `1`)
 
 
 note: `forge.projectSelector` and `forge.managementSelector` defaults mean that you must have at least 2 nodes in your cluster and they need to be labeled before installing.

diff --git a/helm/flowforge/templates/service-ingress.yaml b/helm/flowforge/templates/service-ingress.yaml
@@ -47,3 +47,43 @@ spec:
     - {{ $forgeHostname }}
     secretName: {{ $forgeHostname }}
   {{- end }}
+{{- if gt .Values.forge.replicas 1 -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: flowforge-ingress
+  labels:
+  {{- include "forge.labels" . | nindent 4 }}
+  annotations:
+  {{- if .Values.ingress.certManagerIssuer }}
+    cert-manager.io/cluster-issuer: {{ $.Values.ingress.certManagerIssuer }}
+  {{- end }}
+  {{- if .Values.ingress.annotations }}
+    nginx.ingress.kubernetes.io/affinity: cookie
+    nginx.ingress.kubernetes.io/affinity-mode: persistent
+    nginx.ingress.kubernetes.io/session-cookie-name: FFSESSION
+    nginx.ingress.kubernetes.io/session-cookie-samesite: Strict
+{{ toYaml .Values.ingress.annotations |  replace "{{ instanceHost }}" $forgeHostname | replace "{{ serviceName }}" "forge" | indent 4 }}
+  {{- end }}
+spec:
+  {{- if and $.Values.ingress.className (semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion) }}
+  ingressClassName: {{ $.Values.ingress.className }}
+  {{- end }}
+  rules:
+  - host: {{ $forgeHostname }}
+    http:
+      paths:
+      - pathType: Prefix
+        path: "/api/v1/devices/"
+        backend:
+          service:
+            name: forge
+            port:
+              number: 80
+  {{- if .Values.ingress.certManagerIssuer }}
+  tls:
+  - hosts:
+    - {{ $forgeHostname }}
+    secretName: {{ $forgeHostname }}
+  {{- end }}
+{{- end -}}