h-a: Schedule Piper, Whisper, Mosquitto with HA

Using pod affinity rules, we can schedule the ancillary processes for
Home Assistant to run on the same node as the main server.

home-assistant/mosquitto.yaml

@@ -55,6 +55,18 @@ spec:
         app.kubernetes.io/name: mosquitto
         app.kubernetes.io/part-of: home-assistant
     spec:
+      affinity:
+        podAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: app.kubernetes.io/name
+                  operator: In
+                  values:
+                  - home-assistant
+              topologyKey: kubernetes.io/hostname
       containers:
       - name: mosquitto
         image: docker.io/library/eclipse-mosquitto:2.0.15

home-assistant/piper.yaml

@@ -36,6 +36,18 @@ spec:
         app.kubernetes.io/name: piper
         app.kubernetes.io/part-of: home-assistant
     spec:
+      affinity:
+        podAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: app.kubernetes.io/name
+                  operator: In
+                  values:
+                  - home-assistant
+              topologyKey: kubernetes.io/hostname
       containers:
       - name: piper
         image: docker.io/rhasspy/wyoming-piper:1.3.2

home-assistant/whisper.yaml

@@ -36,6 +36,18 @@ spec:
         app.kubernetes.io/name: whisper
         app.kubernetes.io/part-of: home-assistant
     spec:
+      affinity:
+        podAffinity:
+          preferredDuringSchedulingIgnoredDuringExecution:
+          - weight: 100
+            podAffinityTerm:
+              labelSelector:
+                matchExpressions:
+                - key: app.kubernetes.io/name
+                  operator: In
+                  values:
+                  - home-assistant
+              topologyKey: kubernetes.io/hostname
       containers:
       - name: whisper
         image: docker.io/rhasspy/wyoming-whisper:1.0.0