fix: only remove duplicate metrics in kps if distro is k3s (#1151)

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

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

@@ -29,6 +29,7 @@ data:
       enabled: true
       serviceMonitor:
         metricRelabelings:
+          {% if bootstrap_distribution == 'k3s' %}
           # Remove duplicate labels provided by k3s
           - action: keep
             sourceLabels: ["__name__"]
@@ -36,6 +37,7 @@ data:
           - action: replace
             sourceLabels: ["node"]
             targetLabel: instance
+          {% endif %}
           # Drop high cardinality labels
           - action: labeldrop
             regex: (uid)
@@ -48,10 +50,12 @@ data:
       enabled: true
       serviceMonitor:
         metricRelabelings:
+          {% if bootstrap_distribution == 'k3s' %}
           # Remove duplicate labels provided by k3s
           - action: keep
             sourceLabels: ["__name__"]
             regex: (aggregator_openapi|aggregator_unavailable|apiextensions_openapi|apiserver_admission|apiserver_audit|apiserver_cache|apiserver_cel|apiserver_client|apiserver_crd|apiserver_current|apiserver_envelope|apiserver_flowcontrol|apiserver_init|apiserver_kube|apiserver_longrunning|apiserver_request|apiserver_requested|apiserver_response|apiserver_selfrequest|apiserver_storage|apiserver_terminated|apiserver_tls|apiserver_watch|apiserver_webhooks|authenticated_user|authentication|disabled_metric|etcd_bookmark|etcd_lease|etcd_request|field_validation|get_token|go|grpc_client|hidden_metric|kube_apiserver|kubernetes_build|kubernetes_feature|node_authorizer|pod_security|process_cpu|process_max|process_open|process_resident|process_start|process_virtual|registered_metric|rest_client|scrape_duration|scrape_samples|scrape_series|serviceaccount_legacy|serviceaccount_stale|serviceaccount_valid|watch_cache|workqueue)_(.+)
+          {% endif %}
           # Drop high cardinality labels
           - action: drop
             sourceLabels: ["__name__"]
@@ -65,12 +69,14 @@ data:
       {% for item in bootstrap_nodes.master %}
         - {{ item.address }}
       {% endfor %}
+      {% if bootstrap_distribution == 'k3s' %}
       serviceMonitor:
         metricRelabelings:
           # Remove duplicate labels provided by k3s
           - action: keep
             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)_(.+)"
+      {% endif %}
     kubeEtcd:
       {% if bootstrap_nodes.master | length > 1 %}
       enabled: true
@@ -81,12 +87,14 @@ data:
     kubeScheduler:
       enabled: true
       endpoints: *endpoints
+      {% if bootstrap_distribution == 'k3s' %}
       serviceMonitor:
         metricRelabelings:
           # Remove duplicate labels provided by k3s
           - action: keep
             sourceLabels: ["__name__"]
             regex: "(apiserver_audit|apiserver_client|apiserver_delegated|apiserver_envelope|apiserver_storage|apiserver_webhooks|authenticated_user|authentication|disabled_metric|go|hidden_metric|kubernetes_build|kubernetes_feature|leader_election|process_cpu|process_max|process_open|process_resident|process_start|process_virtual|registered_metric|rest_client|scheduler|scrape_duration|scrape_samples|scrape_series|workqueue)_(.+)"
+      {% endif %}
     kubeProxy:
       enabled: false # Disabled due to eBPF
     prometheus: