[refactor] Split PodMonitor into separate objects for each app

Signed-off-by: Luke Mallon (Nalum) <luke.mallon@weave.works>

manifests/monitoring/monitoring-config/podmonitor.yaml

@@ -1,7 +1,8 @@
+---
 apiVersion: monitoring.coreos.com/v1
 kind: PodMonitor
 metadata:
-  name: flux-system
+  name: helm-controller
   namespace: flux-system
   labels:
     app.kubernetes.io/part-of: flux
@@ -15,10 +16,105 @@ spec:
         operator: In
         values:
           - helm-controller
+  podMetricsEndpoints:
+    - port: http-prom
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: source-controller
+  namespace: flux-system
+  labels:
+    app.kubernetes.io/part-of: flux
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
           - source-controller
+  podMetricsEndpoints:
+    - port: http-prom
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: kustomize-controller
+  namespace: flux-system
+  labels:
+    app.kubernetes.io/part-of: flux
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
           - kustomize-controller
+  podMetricsEndpoints:
+    - port: http-prom
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: notification-controller
+  namespace: flux-system
+  labels:
+    app.kubernetes.io/part-of: flux
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
           - notification-controller
+  podMetricsEndpoints:
+    - port: http-prom
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: image-automation-controller
+  namespace: flux-system
+  labels:
+    app.kubernetes.io/part-of: flux
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
           - image-automation-controller
+  podMetricsEndpoints:
+    - port: http-prom
+---
+apiVersion: monitoring.coreos.com/v1
+kind: PodMonitor
+metadata:
+  name: image-reflector-controller
+  namespace: flux-system
+  labels:
+    app.kubernetes.io/part-of: flux
+spec:
+  namespaceSelector:
+    matchNames:
+      - flux-system
+  selector:
+    matchExpressions:
+      - key: app
+        operator: In
+        values:
           - image-reflector-controller
   podMetricsEndpoints:
     - port: http-prom