publish cache retained

config/config.yaml

@@ -1,6 +1,6 @@
 global:
-  scan_interval: 1
+  scan_interval: 0.25
-  log_level: DEBUG
+  log_level: INFO
 
 mqtt:
   broker: emqx01-anonymous-cluster-internal.broker.svc.cluster.local

src/pv_controller/MqttBase.py

@@ -69,5 +69,5 @@ class AbstractMqttPublisher(threading.Thread):
             logger.debug(f"mqtt message unchanged, not publishing: {topic} -> {payload}")
             return
         self.cache[topic] = payload
-        self.client.publish(topic, payload)
+        self.client.publish(topic, payload, retain=True)
 

src/pv_controller/config.py

@@ -51,7 +51,7 @@ class ModbusConfig(BaseModel):
 
 class GlobalConfig(BaseModel):
     """Global settings"""
-    scan_interval: int
+    scan_interval: float
     log_level: str