Signed-off-by: Sanket Sudake sanketsudake@gmail.com - Use informers and listers in executors - Passing context properly in pool manager executor - Environment updates in the pool manager would not cause updates in the deployment - Environment update minimizing downtime - Use replicaset controller and environment delete triggers to cleanup specialized pods
48 lines
1.4 KiB
Go
48 lines
1.4 KiB
Go
package utils
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import (
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"time"
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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 GetInformerFactoryByExecutor(client *kubernetes.Clientset, executorType v1.ExecutorType, defaultResync time.Duration) (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, defaultResync,
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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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