jsonnet: Patch metric relabelings for control plane

We drop some pod-centric metrics from cAdvisor to reduce cardinality. This metrics are available at the slice level.
openshift · Sep 28, 2021 · 6be7a0c · 6be7a0c
1 parent f520062
commit 6be7a0c
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 0 deletions.
diff --git a/assets/control-plane/service-monitor-kubelet.yaml b/assets/control-plane/service-monitor-kubelet.yaml
@@ -80,6 +80,11 @@ spec:
       regex: container_memory_failures_total
       sourceLabels:
       - __name__
+    - action: drop
+      regex: (container_fs_.*);.+
+      sourceLabels:
+      - __name__
+      - container
     path: /metrics/cadvisor
     port: https-metrics
     relabelings:

diff --git a/jsonnet/components/control-plane.libsonnet b/jsonnet/components/control-plane.libsonnet
@@ -88,6 +88,12 @@ function(params)
                       action: 'drop',
                       regex: 'container_memory_failures_total',
                     },
+                    {
+                      // these metrics are available at the slice level
+                      sourceLabels: ['__name__', 'container'],
+                      action: 'drop',
+                      regex: '(container_fs_.*);.+',
+                    },
                   ],
                 }
               else