kcp: add nodeSelector (#211)

Signed-off-by: ghdrope <0coasts-gearing@icloud.com>

Author: ghdrope

charts/kcp/templates/etcd-statefulset.yaml

@@ -49,6 +49,10 @@ spec:
         {{- include "common.labels" . | nindent 8 }}
         app.kubernetes.io/component: "etcd"
     spec:
+      {{- with .Values.etcd.nodeSelector}}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- with .Values.etcd.affinity}}
       affinity:
         {{- toYaml . | nindent 8 }}

charts/kcp/templates/front-proxy-deployment.yaml

@@ -64,6 +64,10 @@ spec:
       hostAliases:
         {{- toYaml .Values.kcpFrontProxy.hostAliases.values | nindent 8 }}
       {{- end }}
+      {{- with .Values.kcpFrontProxy.nodeSelector}}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- with .Values.kcpFrontProxy.affinity}}
       affinity:
         {{- toYaml . | nindent 8 }}

charts/kcp/templates/server-deployment.yaml

@@ -98,6 +98,10 @@ spec:
       hostAliases:
         {{- toYaml .Values.kcp.hostAliases.values | nindent 8 }}
       {{- end }}
+      {{- with .Values.kcp.nodeSelector}}
+      nodeSelector:
+        {{- toYaml . | nindent 8 }}
+      {{- end }}
       {{- with .Values.kcp.affinity}}
       affinity:
         {{- toYaml . | nindent 8 }}

charts/kcp/values.yaml

@@ -41,6 +41,10 @@ etcd:
     enabled: false
     maxUnavailable: 1
 
+  # This configures the node selector for scheduling kcp etcd pods to specific nodes.
+  # For more information see https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodeselector.
+  nodeSelector: {}
+
   # When configured, this will add tolerations to the pods.
   tolerations: []
   #  - key: "kcp"
@@ -151,6 +155,10 @@ kcp:
     enabled: false
     minAvailable: 1
 
+  # This configures the node selector for scheduling kcp server pods to specific nodes.
+  # For more information see https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodeselector.
+  nodeSelector: {}
+
   # When configured, this will add tolerations to the pods.
   tolerations: []
   #  - key: "kcp"
@@ -311,6 +319,10 @@ kcpFrontProxy:
   # - name: example-vw-serving-cert
   #   mountPath: /etc/example-vw-serving-cert
 
+  # This configures the node selector for scheduling kcp-front-proxy pods to specific nodes.
+  # For more information see https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodeselector.
+  nodeSelector: {}
+
   # When configured, this will add tolerations to the pods.
   tolerations: []
   #  - key: "kcp"