helm chart: add nodeSelector in the helm chart

Add the ability to specify a nodeSelector in the helm chart.

Author: apanzerj

chart/kube-flannel/templates/daemonset.yaml

@@ -31,6 +31,10 @@ spec:
       tolerations:
         {{- toYaml . | trim | nindent 8 }}
       {{- end }}
+      {{- with .Values.flannel.nodeSelector }}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       serviceAccountName: flannel
       initContainers:
       - name: install-cni-plugin

chart/kube-flannel/tests/daemonset_test.yaml

@@ -73,3 +73,12 @@ tests:
           content:
             name: install-cni
           any: true
+
+  - it: should render nodeSelector when set
+    set:
+      flannel.nodeSelector:
+        eks.amazonaws.com/compute-type: hybrid
+    asserts:
+      - equal:
+          path: spec.template.spec.nodeSelector["eks.amazonaws.com/compute-type"]
+          value: hybrid

chart/kube-flannel/values.yaml

@@ -91,6 +91,7 @@ flannel:
     operator: Exists
   - effect: NoSchedule
     operator: Exists
+  nodeSelector: {}
 
 netpol:
   enabled: false