reload configmap

Dockerfile

@@ -6,7 +6,11 @@ COPY src/requirements.txt .
 COPY src/main.py .
 COPY src/message_processor.py .
 
-RUN pip install --no-cache-dir -r requirements.txt
+RUN \
+    addgroup -S appgroup && \
+    adduser -S appuser -G appgroup && \
+    apk add --no-cache bash && \
+    pip install --no-cache-dir -r requirements.txt
 
 
 ENV MQTT_BROKER=""
@@ -21,5 +25,7 @@ ENV DEFAULT_HIGH_TEMPERATURE=""
 ENV MAINTENANCE_TEMPERATURE=""
 ENV BOXES=""
 
+USER appuser
+
 CMD ["python", "main.py"]
 

deployment/configmap.yml

@@ -0,0 +1,45 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: heating-controller-config
+  namespace: homea
+data:
+  MQTT_BROKER: "emqx01-anonymous-cluster-internal.broker.svc.cluster.local"
+  MQTT_PORT: "1883"
+  MQTT_CLIENT_PREFIX: "HeatingController"
+  MQTT_BOX_TOPIC_PREFIXES: |
+    {
+      "high_temp": "heating/config/high_temp/",
+      "cmd": "heating/command/"
+    }
+  MQTT_CENTRAL_TOPICS: |
+    {
+      "general_off": "heating/system/general_off",
+      "maintenance_mode": "heating/system/maintenance_mode",
+      "status": "heating/system/status"
+    }
+  MQTT_STATUS_TOPIC: "heating/status"
+  OFF_TEMPERATURE: "5.0"
+  LOW_TEMPERATURE: "15.0"
+  DEFAULT_HIGH_TEMPERATURE: "21.0"
+  MAINTENANCE_TEMPERATURE: "30.0"
+  BOXES: |
+    {
+      "box1": {
+        "label": "living_room",
+        "windows": [ 
+          { "topic": "window/living_room/garden_side", "label": "garden_side" }
+        ],
+        "output_topic": "output/living_room"
+      },
+      "box2": {
+        "label": "kitchen",
+        "windows": [ 
+          { "topic": "window/kitchen/street_side", "label": "street_side" },
+          { "topic": "window/kitchen/garden_side", "label": "garden_side" },
+          { "topic": "window/kitchen/garden_door", "label": "garden_door" }
+        ],
+        "output_topic": "output/kitchen"
+      }
+    }
+

deployment/deploy-yml.tmpl

@@ -1,52 +1,9 @@
-apiVersion: v1
-kind: ConfigMap
-metadata:
-  name: heating-controller-config
-data:
-  MQTT_BROKER: "emqx01-anonymous-cluster-internal.broker.svc.cluster.local"
-  MQTT_PORT: "1883"
-  MQTT_CLIENT_PREFIX: "HeatingController"
-  MQTT_BOX_TOPIC_PREFIXES: |
-    {
-      "high_temp": "heating/config/high_temp/",
-      "cmd": "heating/command/"
-    }
-  MQTT_CENTRAL_TOPICS: |
-    {
-      "general_off": "heating/system/general_off",
-      "maintenance_mode": "heating/system/maintenance_mode",
-      "status": "heating/system/status"
-    }
-  MQTT_STATUS_TOPIC: "heating/status"
-  OFF_TEMPERATURE: "5.0"
-  LOW_TEMPERATURE: "15.0"
-  DEFAULT_HIGH_TEMPERATURE: "21.0"
-  MAINTENANCE_TEMPERATURE: "30.0"
-  BOXES: |
-    {
-      "box1": {
-        "label": "living_room",
-        "windows": [ 
-          { "topic": "window/living_room/street_side", "label": "street_side" },
-          { "topic": "window/living_room/garden_side", "label": "garden_side" }
-        ],
-        "output_topic": "output/living_room"
-      },
-      "box2": {
-        "label": "kitchen",
-        "windows": [ 
-          { "topic": "window/kitchen/street_side", "label": "street_side" },
-          { "topic": "window/kitchen/garden_side", "label": "garden_side" },
-          { "topic": "window/kitchen/garden_door", "label": "garden_door" }
-        ],
-        "output_topic": "output/kitchen"
-      }
-    }
----
 apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: heating-controller
+  annotations:
+    configmap.reloader.stakater.com/reload: "heating-controller-config"
 spec:
   replicas: 1
   selector:

deployment/deploy.sh

@@ -16,6 +16,8 @@ kubectl create namespace $NAMESPACE \
   -o yaml | \
   kubectl -f - apply
 
+kubectl apply -f $DEPLOYMENT_DIR/configmap.yml -n $NAMESPACE
+
 cat $DEPLOYMENT_DIR/deploy-yml.tmpl | \
   sed -e 's,%IMAGE%,'$IMAGE_NAME':'$IMAGE_TAG','g | \
   kubectl apply -f - -n $NAMESPACE