Sanket SudakeandGitHub
154fe0d447
* Retrieve pod metrics only if metrics server is running Currently we query pod metrics every 30 sec which floods executor logs, added check which confirms if metrics server is running then only we start querying pod metrics for identifying CPU utilization. Signed-off-by: Sanket Sudake <sanketsudake@gmail.com> * Fixed couple of typos and misspells with Go CI Signed-off-by: Sanket Sudake <sanketsudake@gmail.com> * Remove unnecessary conversions with Go CI Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>
46 lines
1.4 KiB
Go
46 lines
1.4 KiB
Go
package utils
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import (
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/selection"
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k8sInformers "k8s.io/client-go/informers"
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"k8s.io/client-go/kubernetes"
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metricsapi "k8s.io/metrics/pkg/apis/metrics"
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v1 "github.com/fission/fission/pkg/apis/core/v1"
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)
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func GetInformerFacoryByExecutor(client *kubernetes.Clientset, executorType v1.ExecutorType) (k8sInformers.SharedInformerFactory, error) {
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executorLabel, err := labels.NewRequirement(v1.EXECUTOR_TYPE, selection.DoubleEquals, []string{string(executorType)})
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if err != nil {
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return nil, err
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}
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labelSelector := labels.NewSelector()
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labelSelector.Add(*executorLabel)
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informerFactory := k8sInformers.NewSharedInformerFactoryWithOptions(client, 0,
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k8sInformers.WithTweakListOptions(func(options *metav1.ListOptions) {
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options.LabelSelector = labelSelector.String()
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}))
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return informerFactory, nil
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}
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func SupportedMetricsAPIVersionAvailable(discoveredAPIGroups *metav1.APIGroupList) bool {
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var supportedMetricsAPIVersions = []string{
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"v1beta1",
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}
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for _, discoveredAPIGroup := range discoveredAPIGroups.Groups {
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if discoveredAPIGroup.Name != metricsapi.GroupName {
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continue
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}
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for _, version := range discoveredAPIGroup.Versions {
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for _, supportedVersion := range supportedMetricsAPIVersions {
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if version.Version == supportedVersion {
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return true
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}
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}
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}
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}
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return false
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}
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