Fix retrieval of reactive power

The data sourcing actor needs to know about the new metric. This commit
exposes it, adds a trivial test and updates the release notes to do a
hotfix right after this is merged.

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

RELEASE_NOTES.md

@@ -1,17 +1,5 @@
 # Frequenz Python SDK Release Notes
 
-## Summary
-
-<!-- Here goes a general summary of what this release is about -->
-
-## Upgrading
-
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
-
-## New Features
-
-<!-- Here goes the main new features and examples or instructions on how to use them -->
-
 ## Bug Fixes
 
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->
+- Fix getting reactive power from meters, inverters and EV chargers.

src/frequenz/sdk/actor/_data_sourcing/microgrid_api_source.py

@@ -38,6 +38,16 @@
     ComponentMetricId.VOLTAGE_PHASE_2: lambda msg: msg.voltage_per_phase[1],
     ComponentMetricId.VOLTAGE_PHASE_3: lambda msg: msg.voltage_per_phase[2],
     ComponentMetricId.FREQUENCY: lambda msg: msg.frequency,
+    ComponentMetricId.REACTIVE_POWER: lambda msg: msg.reactive_power,
+    ComponentMetricId.REACTIVE_POWER_PHASE_1: lambda msg: msg.reactive_power_per_phase[
+        0
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_2: lambda msg: msg.reactive_power_per_phase[
+        1
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_3: lambda msg: msg.reactive_power_per_phase[
+        2
+    ],
 }
 
 _BatteryDataMethods: dict[ComponentMetricId, Callable[[BatteryData], float]] = {
@@ -84,6 +94,16 @@
     ComponentMetricId.VOLTAGE_PHASE_2: lambda msg: msg.voltage_per_phase[1],
     ComponentMetricId.VOLTAGE_PHASE_3: lambda msg: msg.voltage_per_phase[2],
     ComponentMetricId.FREQUENCY: lambda msg: msg.frequency,
+    ComponentMetricId.REACTIVE_POWER: lambda msg: msg.reactive_power,
+    ComponentMetricId.REACTIVE_POWER_PHASE_1: lambda msg: msg.reactive_power_per_phase[
+        0
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_2: lambda msg: msg.reactive_power_per_phase[
+        1
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_3: lambda msg: msg.reactive_power_per_phase[
+        2
+    ],
 }
 
 _EVChargerDataMethods: dict[ComponentMetricId, Callable[[EVChargerData], float]] = {
@@ -98,6 +118,16 @@
     ComponentMetricId.VOLTAGE_PHASE_2: lambda msg: msg.voltage_per_phase[1],
     ComponentMetricId.VOLTAGE_PHASE_3: lambda msg: msg.voltage_per_phase[2],
     ComponentMetricId.FREQUENCY: lambda msg: msg.frequency,
+    ComponentMetricId.REACTIVE_POWER: lambda msg: msg.reactive_power,
+    ComponentMetricId.REACTIVE_POWER_PHASE_1: lambda msg: msg.reactive_power_per_phase[
+        0
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_2: lambda msg: msg.reactive_power_per_phase[
+        1
+    ],
+    ComponentMetricId.REACTIVE_POWER_PHASE_3: lambda msg: msg.reactive_power_per_phase[
+        2
+    ],
 }
 
 

tests/actor/test_data_sourcing.py

@@ -65,6 +65,14 @@ async def test_data_sourcing_actor(self) -> None:
             ).new_receiver()
             await req_sender.send(active_power_request)
 
+            reactive_power_request = ComponentMetricRequest(
+                "test-namespace", 4, ComponentMetricId.REACTIVE_POWER, None
+            )
+            reactive_power_recv = registry.get_or_create(
+                Sample[Quantity], reactive_power_request.get_channel_name()
+            ).new_receiver()
+            await req_sender.send(reactive_power_request)
+
             soc_request = ComponentMetricRequest(
                 "test-namespace", 9, ComponentMetricId.SOC, None
             )