feat: add support for custom initContainers

charts/authelia/README.md

@@ -81,6 +81,7 @@ This documents the parameters in the chart values. As the chart values are quite
 |pod.kind                                 |Configures the kind of pod: StatefulSet, Deployment, DaemonSet|DaemonSet  |
 |pod.annotations                          |Adds annotations specifically to the pod               |{}                |
 |pod.labels                               |Adds labels specifically to the pod                    |{}                |
+|pod.initContainers                       |Adds additional init containers specifically to the pod|[]                |
 |pod.replicas                             |Configures the replicas for Deployment's/statefulSet's |1                 |
 |pod.revisionHistoryLimit                 |Configures the revisionHistoryLimit                    |1                 |
 |pod.strategy.type                        |Configures the pods strategy/updateStrategy type       |RollingUpdate     |

charts/authelia/templates/_helpers.tpl

@@ -843,6 +843,19 @@ Renders a probe
     {{- end -}}
 {{- end -}}
 
+{{/*
+Renders a value that contains template.
+Usage:
+{{ include "authelia.snippets.render" ( dict "value" .Values.path.to.the.Value "context" $) }}
+*/}}
+{{- define "authelia.snippets.render" -}}
+    {{- if typeIs "string" .value }}
+        {{- tpl .value .context }}
+    {{- else }}
+        {{- tpl (.value | toYaml) .context }}
+    {{- end }}
+{{- end -}}
+
 {{/*
 Returns the service port.
 */}}

charts/authelia/templates/deployment.yaml

@@ -89,6 +89,9 @@ spec:
       {{- else }}
       enableServiceLinks: false
       {{- end }}
+      {{- if .Values.pod.initContainers }}
+      initContainers: {{- include "authelia.snippets.render" (dict "value" .Values.pod.initContainers "context" $) | nindent 8 }}
+      {{- end }}
       containers:
       - name: authelia
         image: {{ include "authelia.image" . }}

charts/authelia/values.local.yaml

@@ -223,6 +223,12 @@ pod:
   # labels:
   #   myLabel: myValue
 
+  initContainers: []
+  # initContainers:
+  # - name: myapp-init
+  #   image: busybox:1.36
+  #   command: ['sh', '-c', 'echo The app is starting! && sleep 5']
+
   replicas: 1
   revisionHistoryLimit: 5
   priorityClassName: ""

charts/authelia/values.yaml

@@ -221,6 +221,12 @@ pod:
   # labels:
   #   myLabel: myValue
 
+  initContainers: []
+  # initContainers:
+  # - name: myapp-init
+  #   image: busybox:1.36
+  #   command: ['sh', '-c', 'echo The app is starting! && sleep 5']
+
   replicas: 1
   revisionHistoryLimit: 5
   priorityClassName: ""