Support custom Ingress path (#151)

Adds support for a custom Ingress path. This allows us to run Gitea as a path in an existing domain.

Co-authored-by: Matt Kaar <mkaar@cert.org>
Reviewed-on: https://gitea.com/gitea/helm-chart/pulls/151
Reviewed-by: luhahn <luhahn@noreply.gitea.io>
Reviewed-by: justusbunsi <justusbunsi@noreply.gitea.io>
Co-authored-by: mattkaar <mattkaar@noreply.gitea.io>
Co-committed-by: mattkaar <mattkaar@noreply.gitea.io>

README.md

@@ -455,7 +455,9 @@ Annotations can be added to the Gitea pod.
 |---------------------|-----------------------------------|------------------------------|
 |ingress.enabled| enable ingress | false|
 |ingress.annotations| add ingress annotations | |
-|ingress.hosts| add hosts for ingress as string list | git.example.com |
+|ingress.hosts[0].host | add hosts for ingress | git.example.com |
+|ingress.hosts[0].paths[0].path | add path for each ingress host | / |
+|ingress.hosts[0].paths[0].pathType | add ingress path type | Prefix |
 |ingress.tls|add ingress tls settings|[]|
 
 ### Service

templates/NOTES.txt

@@ -1,7 +1,9 @@
 1. Get the application URL by running these commands:
 {{- if .Values.ingress.enabled }}
 {{- range $host := .Values.ingress.hosts }}
-  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host }}/
+  {{- range .paths }}
+  http{{ if $.Values.ingress.tls }}s{{ end }}://{{ $host.host }}{{ .path }}
+  {{- end }}
 {{- end }}
 {{- else if contains "NodePort" .Values.service.http.type }}
   export NODE_PORT=$(kubectl get --namespace {{ .Release.Namespace }} -o jsonpath="{.spec.ports[0].nodePort}" services {{ include "gitea.fullname" . }})

templates/gitea/ingress.yaml

@@ -29,13 +29,14 @@ spec:
   {{- end }}
 {{- end }}
   rules:
-  {{- range .Values.ingress.hosts }}
-    - host: {{ . | quote }}
+    {{- range .Values.ingress.hosts }}
+    - host: {{ .host | quote }}
       http:
         paths:
-          - path: /
-            {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1/Ingress" }}
-            pathType: Prefix
+          {{- range .paths }}
+          - path: {{ .path }}
+            {{- if and .pathType ($.Capabilities.APIVersions.Has "networking.k8s.io/v1/Ingress") }}
+            pathType: {{ .pathType }}
             {{- end }}
             backend:
             {{- if $.Capabilities.APIVersions.Has "networking.k8s.io/v1/Ingress" }}
@@ -47,5 +48,6 @@ spec:
               serviceName: {{ $fullName }}-http
               servicePort: {{ $httpPort }}
             {{- end }}
-  {{- end }}
+          {{- end }}
+    {{- end }}
 {{- end }}

values.yaml

@@ -54,7 +54,10 @@ ingress:
     # kubernetes.io/ingress.class: nginx
     # kubernetes.io/tls-acme: "true"
   hosts:
-    - git.example.com
+    - host: git.example.com
+      paths:
+        - path: /
+          pathType: Prefix
   tls: []
   #  - secretName: chart-example-tls
   #    hosts: