add extraContainers option

A new option to add sidecar containers to the controller's pod.

Author: jcmoraisjr

haproxy-ingress/README.md

@@ -106,6 +106,7 @@ Parameter | Description | Default
 `controller.extraEnvs` | extra environment variables for the haproxy-ingress-controller | `[]`
 `controller.extraVolumes` | extra volumes for the haproxy-ingress-controller | `[]`
 `controller.extraVolumeMounts` | extra volume mounts for the haproxy-ingress-controller | `[]`
+`controller.extraContainers` | extra containers that to the haproxy-ingress-controller | `[]`
 `controller.initContainers` | extra containers that can initialize the haproxy-ingress-controller | `[]`
 `controller.template` | custom template for haproxy-ingress-controller | `{}`
 `controller.defaultBackendService` | backend service to use if defaultBackend.enabled==false | `""`

haproxy-ingress/templates/_podtemplate.yaml

@@ -184,6 +184,9 @@ spec:
       resources:
         {{- toYaml .Values.controller.metrics.resources | nindent 8 }}
 {{- end }}
+{{- if .Values.controller.extraContainers }}
+    {{- toYaml .Values.controller.extraContainers | nindent 4 }}
+{{- end }}
 {{- if .Values.controller.imagePullSecrets }}
   imagePullSecrets:
     {{- toYaml .Values.controller.imagePullSecrets | nindent 4 }}

haproxy-ingress/values.yaml

@@ -46,6 +46,9 @@ controller:
   extraVolumes: []
   extraVolumeMounts: []
 
+  ## Additional containers to the pod.
+  extraContainers: []
+
   ## Additional containers that can initialize the pod.
   initContainers: []