add nodeAffinity rule to inline example

Ensure inline volume pod gets scheduled to a node with registered hostpath driver

Author: madorn

examples/csi-app-inline.yaml

@@ -3,6 +3,13 @@ apiVersion: v1
 metadata:
   name: my-csi-app-inline
 spec:
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+        - matchExpressions:
+          - key: topology.hostpath.csi/node
+            operator: Exists
   containers:
     - name: my-frontend
       image: busybox
@@ -13,4 +20,4 @@ spec:
   volumes:
     - name: my-csi-volume
       csi:
-        driver: hostpath.csi.k8s.io
+        driver: hostpath.csi.k8s.io