[fluentd] Add Ingress. (#281)

* Add Ingress resource to fluentd for Deployment/StatefulSet options.

Signed-off-by: Paulo E. Castro <[email protected]>

charts/fluentd/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: fluentd
 description: A Helm chart for Kubernetes
 # type: application
-version: 0.4.5
+version: 0.5.0
 appVersion: v1.16.2
 icon: https://www.fluentd.org/images/miscellany/fluentd-logo_2x.png
 home: https://www.fluentd.org/

charts/fluentd/templates/ingress.yaml

@@ -0,0 +1,44 @@
+{{- if .Values.ingress.enabled -}}
+{{- $fullName := include "fluentd.fullname" . -}}
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: {{ include "fluentd.fullname" . }}
+  labels:
+    {{- include "fluentd.labels" . | nindent 4 }}
+    {{- with .Values.labels }}
+      {{- toYaml . | nindent 4 }}
+    {{- end }}
+  {{- with .Values.ingress.annotations }}
+  annotations:
+    {{- toYaml . | nindent 4 }}
+  {{- end }}
+spec:
+  {{- if .Values.ingress.tls }}
+  tls:
+    {{- range .Values.ingress.tls }}
+    - hosts:
+        {{- range .hosts }}
+        - {{ . | quote }}
+        {{- end }}
+      {{- with .secretName }}
+      secretName: {{ . }}
+      {{- end }}
+    {{- end }}
+  {{- end }}
+  rules:
+    {{- range .Values.ingress.hosts }}
+    - http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: {{ $fullName }}
+                port:
+                  number: {{ .port }}
+      {{ if .host -}}
+      host: {{ .host | quote }}
+      {{- end -}}
+    {{- end -}}
+{{- end -}}

charts/fluentd/values.yaml

@@ -377,3 +377,17 @@ fileConfigs:
         password changeme
       </match>
     </label>
+
+ingress:
+  enabled: false
+  annotations: {}
+    # kubernetes.io/ingress.class: nginx
+    # kubernetes.io/tls-acme: "true"
+  hosts:
+    # - host: fluentd.example.tld
+    - port: 9880
+
+  tls: []
+  # - secretName: fluentd-tls
+  #   hosts:
+  #     - fluentd.example.tld