Add NodeSelector support

Signed-off-by: Beza <[email protected]>

Author: bezarsnba

charts/linkerd-failover/README.md

@@ -117,7 +117,8 @@ Kubernetes: `>=1.20.0-0`
 | namespaceMetadata.image.pullPolicy | string | `"IfNotPresent"` | Pull policy for the namespace-metadata instance |
 | namespaceMetadata.image.registry | string | `"cr.l5d.io/linkerd"` | Docker registry for the namespace-metadata instance |
 | namespaceMetadata.image.tag | string | `"v0.1.0"` | Docker image tag for the namespace-metadata instance |
+| nodeSelector | object | `{}` | nodeSelector sections. For information on node selector sections, please refer  [ K8s documentation](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodeselector) for more details. |
 | selector | string | `nil` | Determines which `TrafficSplit` instances to consider for failover. If empty, defaults to failover.linkerd.io/controlled-by={{ .Release.Name }} |
 
 ----------------------------------------------
-Autogenerated from chart metadata using [helm-docs v1.11.0](https://github.com/norwoodj/helm-docs/releases/v1.11.0)
+Autogenerated from chart metadata using [helm-docs v1.13.1](https://github.com/norwoodj/helm-docs/releases/v1.13.1)

charts/linkerd-failover/templates/linkerd-failover-deployment.yaml

@@ -23,6 +23,10 @@ spec:
       labels:
         linkerd.io/extension: failover
     spec:
+      {{- if .Values.nodeSelector }}
+      nodeSelector:
+        {{ .Values.nodeSelector | toYaml }}
+      {{- end }}
       serviceAccountName: linkerd-failover
       containers:
       - image: {{.Values.image.registry }}/{{.Values.image.name}}:{{.Values.image.tag }}

charts/linkerd-failover/values.yaml

@@ -17,6 +17,9 @@ image:
 # private registries
 imagePullSecrets: []
 
+# -- nodeSelector sections. For information on node selector sections, please refer  [ K8s documentation](https://kubernetes.io/docs/concepts/scheduling-eviction/assign-pod-node/#nodeselector) for more details.
+nodeSelector: {}
+
 # -- Determines which `TrafficSplit` instances to consider for failover. If
 # empty, defaults to failover.linkerd.io/controlled-by={{ .Release.Name }}
 selector: