From ec87e9f460a71cefe34c610c47a2adee3e60fce9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mikke=20Schir=C3=A9n?= <mikke.schiren@digitalistgroup.com>
Date: Tue, 1 Aug 2023 23:39:31 +0200
Subject: [PATCH] take schema snapshot at init

---
 charts/directus/Chart.yaml                |  2 +-
 charts/directus/README.md                 |  1 +
 charts/directus/templates/deployment.yaml | 32 +++++++++++++++++++++++
 charts/directus/values.yaml               |  3 +++
 4 files changed, 37 insertions(+), 1 deletion(-)

diff --git a/charts/directus/Chart.yaml b/charts/directus/Chart.yaml
index 71674d5..53aede9 100644
--- a/charts/directus/Chart.yaml
+++ b/charts/directus/Chart.yaml
@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.5.2
+version: 0.5.3
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
diff --git a/charts/directus/README.md b/charts/directus/README.md
index 5ad2e57..082c460 100644
--- a/charts/directus/README.md
+++ b/charts/directus/README.md
@@ -115,6 +115,7 @@ helm delete directus-release
 | `extraConfigMap.data`| Configmap data to add | `{}`   |
 | `extraVolumes`| Extra volumes to add | `[]`   |
 | `extraVolumeMounts`| Extra volumemounts to add | `[]`   |
+| `snapshot`| Take schema snapshot at init  | `false`   |
 
 ### External Database
 
diff --git a/charts/directus/templates/deployment.yaml b/charts/directus/templates/deployment.yaml
index 6c14ea4..a738037 100644
--- a/charts/directus/templates/deployment.yaml
+++ b/charts/directus/templates/deployment.yaml
@@ -43,6 +43,28 @@ spec:
             {{- if .Values.extraEnvVars }}
             {{- tpl (toYaml .Values.extraEnvVars) $ | nindent 12 }}
             {{- end }}
+      {{- if .Values.snapshot }}
+        - name: {{ .Chart.Name }}-schema-snapshot
+          securityContext:
+            {{- toYaml .Values.securityContext | nindent 12 }}
+          image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
+          imagePullPolicy: {{ .Values.image.pullPolicy }}
+          command: ["node"]
+          args: ["/directus/cli.js", "schema", "snapshot", "--format", "yaml", "-y", "/startup-snapshot/snapshot.yaml"]
+          env:
+            {{- if .Values.ingress.enabled }}
+            - name: PUBLIC_URL
+              value: http{{ if .Values.ingress.tls }}s{{ end }}://{{(index .Values.ingress.hosts 0).host }}
+            {{- end }}
+            {{- if .Values.extraEnvVars }}
+            {{- tpl (toYaml .Values.extraEnvVars) $ | nindent 12 }}
+            {{- end }}
+ {{- if .Values.snapshot }}
+          volumeMounts:
+            - mountPath: /startup-snapshot
+              name: startup-snapshot
+{{- end }}
+      {{- end }} 
       {{- if .Values.initContainers }}
 {{ toYaml .Values.initContainers | indent 8 }}
       {{- end }} 
@@ -65,6 +87,11 @@ spec:
             {{- if .Values.extraEnvVars }}
             {{- tpl (toYaml .Values.extraEnvVars) $ | nindent 12 }}
             {{- end }}
+          volumeMounts:
+ {{- if .Values.snapshot }}
+            - mountPath: /startup-snapshot
+              name: startup-snapshot
+{{- end }}              
 {{- if .Values.extraVolumeMounts }}
 {{ toYaml .Values.extraVolumeMounts | indent 10 }}
 {{- end }}
@@ -110,6 +137,11 @@ spec:
       tolerations:
         {{- toYaml . | nindent 8 }}
       {{- end }}
+      volumes:
+{{- if .Values.snapshot }}
+      - name: startup-snapshot
+        emptyDir: {}
+{{- end }}
 {{- if .Values.extraVolumes }}
 {{ toYaml .Values.extraVolumes | indent 6 }}
 {{- end }}
\ No newline at end of file
diff --git a/charts/directus/values.yaml b/charts/directus/values.yaml
index 915d9f8..4e3eceb 100644
--- a/charts/directus/values.yaml
+++ b/charts/directus/values.yaml
@@ -86,6 +86,9 @@ initContainers: []
 #       - "-c"
 #       - "echo 'message from init container'"
 
+snapshot: false
+# take s snapshot of schema config in init container.
+
 sidecars: []
   # You can add any sidecar to the directus pod, like:
   # sidecars: