feat: Add resource quota metrics collection (#1302)

- Disabled by default, enable by setting `ksm.enableResourceQuotaSamples` to true

Author: NRhzhao

.gitignore

@@ -32,4 +32,4 @@ Session.vim
 .netrwhist
 
 /values-local.yaml
-CHANGELOG.partial.md
+CHANGELOG.partial.md

CHANGELOG.md

@@ -6,6 +6,8 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## Unreleased
+### enhancement
+- Add metrics for ResourceQuota @NRhzhao [#1302](https://github.com/newrelic/nri-kubernetes/pull/1302)
 
 ## v3.46.0 - 2025-10-13
 

charts/internal/e2e-resources/templates/namespace.yml

@@ -0,0 +1,6 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: nri-test-namespace
+  labels:
+    name: nri-test-namespace

charts/internal/e2e-resources/templates/resourcequota.yml

@@ -0,0 +1,30 @@
+apiVersion: v1
+kind: ResourceQuota
+metadata:
+  name: nri-test-namespace-quota
+  namespace: nri-test-namespace
+  labels:
+    # Labels are for identifying and selecting objects.
+    team: "k8-team"
+  annotations:
+    # Annotations are for non-identifying metadata, perfect for soft limits.
+    # These are NOT enforced by Kubernetes.
+    "owner": "newrelic"
+    "newrelic.com/soft-limit.pods": "8" # A warning threshold at 80% of the hard limit.
+    "newrelic.com/soft-limit.requests.cpu": "800m" # A warning at 80% of the 1-core request limit.
+    "description": "Hard and soft resource limits for the nri-test-namespace."
+spec:
+  hard:
+    pods: "10"
+    secrets: "20"
+    requests.cpu: "1"
+    requests.memory: "1Gi"
+    limits.cpu: "2"
+    limits.memory: "2Gi"
+    persistentvolumeclaims: "5"                     # Limit total number of PVCs
+    services: "10"                                  # Limit total number of services
+    replicationcontrollers: "5"                     # Limit total number of replication controllers
+    configmaps: "10"                                # Limit total number of config maps
+    resourcequotas: "1"                             # Limit total number of resource quotas
+    services.loadbalancers: "2"                     # Limit number of external load balancer services
+    services.nodeports: "5"                         # Limit number of nodeport servic

charts/internal/e2e-resources/values.yaml

@@ -68,3 +68,7 @@ windows:
   is2019: false
 # -- Deploy resources on Windows Server 2022 nodes
   is2022: false
+
+kube-state-metrics:
+  metricLabelsAllowlist: "resourcequotas=[team,environment,app.kubernetes.io/name]"
+  metricAnnotationsAllowList: "resourcequotas=[owner,description,newrelic.com/soft-limit.pods,newrelic.com/soft-limit.cpu]"

charts/newrelic-infrastructure/README.md

@@ -208,6 +208,7 @@ Infrastructure Agent integrations (Kafka, Cassandra, Redis, etc.) are not suppor
 | ksm.config.scheme | string | `"http"` | Scheme to use to connect to kube-state-metrics. Supported values are `http` and `https`. |
 | ksm.config.selector | string | `"app.kubernetes.io/name=kube-state-metrics"` | Label selector that will be used to automatically discover an instance of kube-state-metrics running in the cluster. |
 | ksm.config.timeout | string | `"10s"` | Timeout for the ksm API contacted by the integration |
+| ksm.enableResourceQuotaSamples | bool | `false` | Enable to collect metrics for resource quota. |
 | ksm.enabled | bool | `true` | Enable cluster state monitoring. Advanced users only. Setting this to `false` is not supported and will break the New Relic experience. |
 | ksm.forwarder | object | 100m/150M -/850M | Resources for the Frowarder pod. large clusters. |
 | ksm.hostNetwork | bool | Not set | Sets pod's hostNetwork. When set bypasses global/common variable |

charts/newrelic-infrastructure/templates/ksm/deployment.yaml

@@ -72,7 +72,10 @@ spec:
               value: {{ include "newrelic.common.cluster" . }}
             - name: "NRI_KUBERNETES_VERBOSE"
               value: {{ include "newrelic.common.verboseLog.valueAsBoolean" . | quote }}
-
+            {{- if .Values.ksm.enableResourceQuotaSamples }}
+            - name: "NRI_KUBERNETES_KSM_ENABLERESOURCEQUOTASAMPLES"
+              value: "true"
+            {{- end }}
             - name: "NRI_KUBERNETES_NODENAME"
               valueFrom:
                 fieldRef:

charts/newrelic-infrastructure/values.yaml

@@ -223,6 +223,8 @@ ksm:
   extraVolumes: []
   extraVolumeMounts: []
   initContainers: []
+  # -- Enable to collect metrics for resource quota.
+  enableResourceQuotaSamples: false
   # -- Resources for the KSM scraper pod.
   # Keep in mind that sharding is not supported at the moment, so memory usage for this component ramps up quickly on
   # large clusters.

e2e/e2e-values.yml

@@ -3,3 +3,6 @@ images:
     pullPolicy: Never
     tag: e2e
     repository: e2e/nri-kubernetes
+
+ksm:
+  enableResourceQuotaSamples: true

e2e/k8s.yml

@@ -15182,4 +15182,4 @@ entities:
       - displayName
       - event_type
       - provider
-      - networkTag.*
+      - networkTag.*