Allow custom server versions

Allow user to specify server version. Download on server init.

helm/Chart.yaml

@@ -15,9 +15,9 @@ 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: 1.0.2
+version: 1.1.0
 
 # 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
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: 1.16.4
+appVersion: 1.0.0

helm/ix_values.yaml

@@ -1 +1,2 @@
-image: ducoterra/minecraft:1.16.4
+image: ducoterra/minecraft:latest
+server_version: "1.17.1"

helm/questions.yaml

@@ -4,6 +4,13 @@ groups:
   - name: "Storage"
     description: "Minecraft Server Storage"
 questions:
+  - variable: server_version
+    description: "Server Version"
+    group: "Server Config"
+    schema:
+      type: string
+      default: "1.17.1"
+      required: false
   - variable: port
     description: "Listen Port"
     group: "Server Config"

helm/templates/deploy.yaml

@@ -13,9 +13,27 @@ spec:
       labels:
         app: {{ .Release.Name }}
     spec:
+      initContainers:
+      - name: get-version
+        image: {{ .Values.get_server.image }}
+        imagePullPolicy: Always
+        env:
+        - name: SERVER_VERSION
+          value: {{ .Values.server_version }}
+        volumeMounts:
+        - mountPath: /downloads
+          name: data
+      - name: download-server
+        image: {{ .Values.get_server.image }}
+        imagePullPolicy: Always
+        command: ["bash", "-c", "curl -o server.jar $(cat SERVER_VERSION)"]
+        volumeMounts:
+        - mountPath: /downloads
+          name: data
       containers:
       - name: {{ .Release.Name }}
         image: {{ .Values.image }}
+        imagePullPolicy: Always
         ports:
         - containerPort: 25565
         volumeMounts:

helm/values.yaml

@@ -1,4 +1,7 @@
-image: ducoterra/minecraft:1.16.4
+image: ducoterra/minecraft:latest
+get_server:
+  image: ducoterra/get-minecraft:latest
+server_version: "1.17.1"
 port: 20101
 max_cpu: 4
 max_ram: 4