115 lines
3.1 KiB
Go
115 lines
3.1 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package store
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import (
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"context"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/watch"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/client-go/tools/cache"
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"k8s.io/kube-state-metrics/v2/pkg/metric"
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generator "k8s.io/kube-state-metrics/v2/pkg/metric_generator"
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)
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var (
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descResourceQuotaLabelsDefaultLabels = []string{"namespace", "resourcequota"}
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resourceQuotaMetricFamilies = []generator.FamilyGenerator{
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*generator.NewFamilyGenerator(
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"kube_resourcequota_created",
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"Unix creation timestamp",
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metric.Gauge,
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"",
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wrapResourceQuotaFunc(func(r *v1.ResourceQuota) *metric.Family {
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ms := []*metric.Metric{}
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if !r.CreationTimestamp.IsZero() {
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ms = append(ms, &metric.Metric{
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Value: float64(r.CreationTimestamp.Unix()),
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})
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}
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return &metric.Family{
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Metrics: ms,
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}
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}),
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),
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*generator.NewFamilyGenerator(
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"kube_resourcequota",
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"Information about resource quota.",
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metric.Gauge,
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"",
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wrapResourceQuotaFunc(func(r *v1.ResourceQuota) *metric.Family {
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ms := []*metric.Metric{}
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for res, qty := range r.Status.Hard {
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ms = append(ms, &metric.Metric{
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LabelValues: []string{string(res), "hard"},
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Value: float64(qty.MilliValue()) / 1000,
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})
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}
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for res, qty := range r.Status.Used {
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ms = append(ms, &metric.Metric{
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LabelValues: []string{string(res), "used"},
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Value: float64(qty.MilliValue()) / 1000,
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})
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}
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for _, m := range ms {
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m.LabelKeys = []string{"resource", "type"}
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}
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return &metric.Family{
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Metrics: ms,
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}
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}),
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),
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}
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)
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func wrapResourceQuotaFunc(f func(*v1.ResourceQuota) *metric.Family) func(interface{}) *metric.Family {
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return func(obj interface{}) *metric.Family {
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resourceQuota := obj.(*v1.ResourceQuota)
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metricFamily := f(resourceQuota)
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for _, m := range metricFamily.Metrics {
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m.LabelKeys = append(descResourceQuotaLabelsDefaultLabels, m.LabelKeys...)
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m.LabelValues = append([]string{resourceQuota.Namespace, resourceQuota.Name}, m.LabelValues...)
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}
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return metricFamily
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}
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}
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func createResourceQuotaListWatch(kubeClient clientset.Interface, ns string) cache.ListerWatcher {
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return &cache.ListWatch{
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ListFunc: func(opts metav1.ListOptions) (runtime.Object, error) {
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return kubeClient.CoreV1().ResourceQuotas(ns).List(context.TODO(), opts)
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},
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WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) {
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return kubeClient.CoreV1().ResourceQuotas(ns).Watch(context.TODO(), opts)
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},
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}
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}
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