mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
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82 lines
2.2 KiB
Go
82 lines
2.2 KiB
Go
/*
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Copyright 2024 The Kubernetes Authors.
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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 selinuxwarning
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import (
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"sync"
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"k8s.io/component-base/metrics"
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"k8s.io/component-base/metrics/legacyregistry"
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"k8s.io/klog/v2"
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"k8s.io/kubernetes/pkg/controller/volume/selinuxwarning/cache"
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)
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var (
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seLinuxConflictDesc = metrics.NewDesc(
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metrics.BuildFQName("", "selinux_warning_controller", "selinux_volume_conflict"),
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"Conflict between two Pods using the same volume",
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[]string{"property", "pod1_namespace", "pod1_name", "pod1_value", "pod2_namespace", "pod2_name", "pod2_value"}, nil,
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metrics.ALPHA, "")
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)
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var registerMetrics sync.Once
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func RegisterMetrics(logger klog.Logger, cache cache.VolumeCache) {
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registerMetrics.Do(func() {
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legacyregistry.CustomMustRegister(newCollector(logger, cache))
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})
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}
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func newCollector(logger klog.Logger, cache cache.VolumeCache) *collector {
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return &collector{
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logger: logger,
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cache: cache,
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}
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}
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var _ metrics.StableCollector = &collector{}
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type collector struct {
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metrics.BaseStableCollector
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cache cache.VolumeCache
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logger klog.Logger
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}
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func (c *collector) DescribeWithStability(ch chan<- *metrics.Desc) {
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ch <- seLinuxConflictDesc
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}
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func (c *collector) CollectWithStability(ch chan<- metrics.Metric) {
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conflictCh := make(chan cache.Conflict)
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go func() {
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c.cache.SendConflicts(c.logger, conflictCh)
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close(conflictCh)
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}()
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for conflict := range conflictCh {
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ch <- metrics.NewLazyConstMetric(seLinuxConflictDesc,
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metrics.GaugeValue,
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1.0,
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conflict.PropertyName,
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conflict.Pod.Namespace,
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conflict.Pod.Name,
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conflict.PropertyValue,
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conflict.OtherPod.Namespace,
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conflict.OtherPod.Name,
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conflict.OtherPropertyValue,
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)
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}
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}
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