Make dashboard replicas configurable

builtin/files/cluster.yaml.tmpl

@@ -1279,6 +1279,7 @@ kubeSystemNamespaceLabels:
 kubernetesDashboard:
   adminPrivileges: true
   insecureLogin: false
+  replicas: 1
   enabled: true
 # # Optional resource change for Dashboard can be done via using the resources block below and changing the values.
 # # Values below are the default already if not set.

builtin/files/userdata/cloud-config-controller

@@ -4297,7 +4297,7 @@ write_files:
           name: kubernetes-dashboard
           namespace: kube-system
         spec:
-          replicas: 1
+          replicas: {{ .KubernetesDashboard.Replicas }}
           revisionHistoryLimit: 10
           selector:
             matchLabels:

docs/advanced-topics/kubernetes-dashboard.md

@@ -7,6 +7,7 @@ kubernetesDashboard:
   adminPrivileges: true
   insecureLogin: false
   enabled: true
+  replicas: 1
   resources:
     requests:
       cpu: 100m

pkg/api/cluster.go

@@ -190,6 +190,7 @@ func NewDefaultCluster() *Cluster {
 				AdminPrivileges: true,
 				InsecureLogin:   false,
 				Enabled:         true,
+				Replicas:        1,
 			},
 			Kubernetes: Kubernetes{
 				Authentication: KubernetesAuthentication{
@@ -541,6 +542,7 @@ type KubernetesDashboard struct {
 	AdminPrivileges  bool             `yaml:"adminPrivileges"`
 	InsecureLogin    bool             `yaml:"insecureLogin"`
 	Enabled          bool             `yaml:"enabled"`
+	Replicas         int              `yaml:"replicas,omitempty"`
 	ComputeResources ComputeResources `yaml:"resources,omitempty"`
 }