jsonnet/kube-prometheus/addons: reduce KSM cardinality by denylisting…

… unused metrics
prometheus-operator · Apr 7, 2021 · 3207e8a · 3207e8a
1 parent 2ba8d8a
commit 3207e8a
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/jsonnet/kube-prometheus/addons/ksm-lite.libsonnet b/jsonnet/kube-prometheus/addons/ksm-lite.libsonnet
@@ -0,0 +1,33 @@
+local addArgs(args, name, containers) = std.map(
+  function(c) if c.name == name then
+    c {
+      args+: args,
+    }
+  else c,
+  containers,
+);
+
+{
+  kubeStateMetrics+: {
+    deployment+: {
+      spec+: {
+        template+: {
+          spec+: {
+            containers: addArgs(
+              [|||
+                --metric-denylist=
+                kube_*_created,
+                kube_*_metadata_resource_version,
+                kube_replicaset_metadata_generation,
+                kube_replicaset_status_observed_generation,
+                kube_pod_restart_policy
+              |||],
+              'kube-state-metrics',
+              super.containers
+            )
+          },
+        },
+      },
+    },
+  }
+}