From 95c2f120faeb87fa27d30b25d0949d969fe0a4ee Mon Sep 17 00:00:00 2001
From: Karsten Kraus <Karsten.Kraus@swr.de>
Date: Thu, 28 Mar 2024 19:07:19 +0100
Subject: [PATCH] add initContainer

---
 charts/vault-raft-snapshot-agent/Chart.yaml   |  2 +-
 .../templates/deployment.yaml                 | 21 +++++++++++++++++++
 charts/vault-raft-snapshot-agent/values.yaml  |  4 ++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/charts/vault-raft-snapshot-agent/Chart.yaml b/charts/vault-raft-snapshot-agent/Chart.yaml
index 0def97d..e4b23cc 100644
--- a/charts/vault-raft-snapshot-agent/Chart.yaml
+++ b/charts/vault-raft-snapshot-agent/Chart.yaml
@@ -1,7 +1,7 @@
 apiVersion: v2
 name: vault-raft-snapshot-agent
 type: application
-version: 0.4.12
+version: 0.4.13
 appVersion: "v0.10.10"
 description: Vault Raft Snapshot Agent takes periodic snapshots of Vault's Raft database and stores them on a local volume or an remote S3 bucket
 keywords:
diff --git a/charts/vault-raft-snapshot-agent/templates/deployment.yaml b/charts/vault-raft-snapshot-agent/templates/deployment.yaml
index 99fdcad..e71a4d8 100644
--- a/charts/vault-raft-snapshot-agent/templates/deployment.yaml
+++ b/charts/vault-raft-snapshot-agent/templates/deployment.yaml
@@ -63,6 +63,27 @@ spec:
               readOnly: {{ $volume.readOnly }}
               {{- end }}
             {{- end }}
+      {{ with .Values.deployment.initContainer }}
+      initContainers:
+      - name: {{  .name | default "Initialize Agent" }}
+        image: {{ .image | default "alpine:3.19.1" }}
+        {{- with .command }}
+        command: {{ tpl (toYaml .) $ | nindent 8 }}
+        {{- end }}
+        {{- with .env }}
+        env: {{ tpl (toYaml .) $ | nindent 8 }}
+        {{- end }}
+        {{- with $.Values.deployment.extraVolumes }}
+        volumeMounts:
+          {{- range $volume := $.Values.deployment.extraVolumes }}
+          - mountPath: {{ required "volume mountPath is required" $volume.mountPath }}
+            name: {{ required "volume name is required" $volume.name }}
+            {{- with $volume.readOnly }}
+            readOnly: {{ $volume.readOnly }}
+            {{- end }}
+          {{- end}}
+        {{- end }}
+      {{- end }}
       volumes:
         - name: config
           configMap:
diff --git a/charts/vault-raft-snapshot-agent/values.yaml b/charts/vault-raft-snapshot-agent/values.yaml
index e53036b..8bca8c9 100644
--- a/charts/vault-raft-snapshot-agent/values.yaml
+++ b/charts/vault-raft-snapshot-agent/values.yaml
@@ -37,6 +37,10 @@ deployment:
     #    `.Chart.AppVersion` of this chart thus must only be changed
     #    if you use another repository than the default
     pullPolicy: IfNotPresent
+  # -- specify optional init-container. Only properties `name`, `image`, `command` and `env` are used.
+  #    `name` and `image` are optional, by default alpine:3.19.1, which is the agents-base-image, is used as image
+  #    The init-container has access to all extraVolumes.
+  initContainer: {}
   # -- (int) see [kubernetes docs](https://kubernetes.io/docs/concepts/workloads/controllers/deployment/#clean-up-policy)
   #    You might want to change this to a small value to avoid cluttering up the
   #    UI of a Continuous Delivery Tool like Argo-CD