feat!: for a single master node do not use etcd and add option to not use kube-vip

Signed-off-by: Devin Buhl <devin@buhl.casa>

bootstrap/templates/addons/kube-prometheus-stack/app/helmvalues.yaml.j2

@@ -61,7 +61,7 @@ data:
             regex: (apiserver_response_sizes_bucket|apiserver_watch_events_sizes_bucket)
     kubeControllerManager:
       enabled: true
-      endpoints:
+      endpoints: &endpoints
       {% for item in bootstrap_nodes.master %}
         - {{ item.address }}
       {% endfor %}
@@ -72,17 +72,15 @@ data:
             sourceLabels: ["__name__"]
             regex: "(apiserver_audit|apiserver_client|apiserver_delegated|apiserver_envelope|apiserver_storage|apiserver_webhooks|attachdetach_controller|authenticated_user|authentication|cronjob_controller|disabled_metric|endpoint_slice|ephemeral_volume|garbagecollector_controller|get_token|go|hidden_metric|job_controller|kubernetes_build|kubernetes_feature|leader_election|node_collector|node_ipam|process_cpu|process_max|process_open|process_resident|process_start|process_virtual|pv_collector|registered_metric|replicaset_controller|rest_client|retroactive_storageclass|root_ca|running_managed|scrape_duration|scrape_samples|scrape_series|service_controller|storage_count|storage_operation|ttl_after|volume_operation|workqueue)_(.+)"
     kubeEtcd:
+      {% if bootstrap_nodes.master | length > 1 %}
       enabled: true
-      endpoints:
-      {% for item in bootstrap_nodes.master %}
-        - {{ item.address }}
-      {% endfor %}
+      {% else %}
+      enabled: false
+      {% endif %}
+      endpoints: *endpoints
     kubeScheduler:
       enabled: true
-      endpoints:
-      {% for item in bootstrap_nodes.master %}
-        - {{ item.address }}
-      {% endfor %}
+      endpoints: *endpoints
       serviceMonitor:
         metricRelabelings:
           # Remove duplicate labels provided by k3s