105 lines
3.6 KiB
Go
105 lines
3.6 KiB
Go
/*
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Copyright 2019 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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admissionregistration "k8s.io/api/admissionregistration/v1beta1"
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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/pkg/metric"
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generator "k8s.io/kube-state-metrics/pkg/metric_generator"
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)
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var (
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descMutatingWebhookConfigurationHelp = "Kubernetes labels converted to Prometheus labels."
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descMutatingWebhookConfigurationDefaultLabels = []string{"namespace", "mutatingwebhookconfiguration"}
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mutatingWebhookConfigurationMetricFamilies = []generator.FamilyGenerator{
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{
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Name: "kube_mutatingwebhookconfiguration_info",
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Type: metric.Gauge,
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Help: "Information about the MutatingWebhookConfiguration.",
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GenerateFunc: wrapMutatingWebhookConfigurationFunc(func(mwc *admissionregistration.MutatingWebhookConfiguration) *metric.Family {
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return &metric.Family{
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Metrics: []*metric.Metric{
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{
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Value: 1,
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},
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},
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}
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}),
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},
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{
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Name: "kube_mutatingwebhookconfiguration_created",
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Type: metric.Gauge,
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Help: "Unix creation timestamp.",
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GenerateFunc: wrapMutatingWebhookConfigurationFunc(func(mwc *admissionregistration.MutatingWebhookConfiguration) *metric.Family {
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ms := []*metric.Metric{}
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if !mwc.CreationTimestamp.IsZero() {
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ms = append(ms, &metric.Metric{
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Value: float64(mwc.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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{
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Name: "kube_mutatingwebhookconfiguration_metadata_resource_version",
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Type: metric.Gauge,
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Help: "Resource version representing a specific version of the MutatingWebhookConfiguration.",
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GenerateFunc: wrapMutatingWebhookConfigurationFunc(func(mwc *admissionregistration.MutatingWebhookConfiguration) *metric.Family {
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return &metric.Family{
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Metrics: resourceVersionMetric(mwc.ObjectMeta.ResourceVersion),
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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 createMutatingWebhookConfigurationListWatch(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.AdmissionregistrationV1beta1().MutatingWebhookConfigurations().List(opts)
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},
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WatchFunc: func(opts metav1.ListOptions) (watch.Interface, error) {
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return kubeClient.AdmissionregistrationV1beta1().MutatingWebhookConfigurations().Watch(opts)
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},
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}
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}
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func wrapMutatingWebhookConfigurationFunc(f func(*admissionregistration.MutatingWebhookConfiguration) *metric.Family) func(interface{}) *metric.Family {
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return func(obj interface{}) *metric.Family {
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mutatingWebhookConfiguration := obj.(*admissionregistration.MutatingWebhookConfiguration)
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metricFamily := f(mutatingWebhookConfiguration)
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for _, m := range metricFamily.Metrics {
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m.LabelKeys = append(descMutatingWebhookConfigurationDefaultLabels, m.LabelKeys...)
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m.LabelValues = append([]string{mutatingWebhookConfiguration.Namespace, mutatingWebhookConfiguration.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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