50 lines
1.5 KiB
Go
50 lines
1.5 KiB
Go
package main
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import (
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/client-go/kubernetes"
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"k8s.io/client-go/rest"
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"log"
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)
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func main() {
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config, err := rest.InClusterConfig()
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if err != nil {
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panic(err.Error())
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}
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clientset, err := kubernetes.NewForConfig(config)
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if err != nil {
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panic(err.Error())
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}
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namespaces, err := clientset.CoreV1().Namespaces().List(metav1.ListOptions{})
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if err != nil {
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panic(err.Error())
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}
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for _, ns := range namespaces.Items {
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log.Printf("Checking for LimitRange named extreme-request-defaults in namespace '%v'\n", ns.Name)
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if limitRange, err := clientset.CoreV1().LimitRanges(ns.Name).List(metav1.ListOptions{FieldSelector: "metadata.name=extreme-request-defaults"}); err == nil && len(limitRange.Items) == 0 {
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log.Printf("Trying to create LimitaRange\n")
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limits := []v1.LimitRangeItem{
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{
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DefaultRequest: v1.ResourceList{"memory": *resource.NewQuantity(1024*1024*1024*1024, resource.BinarySI)},
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Type: "Container",
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},
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}
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limitRange := v1.LimitRange{
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Spec: v1.LimitRangeSpec{Limits: limits},
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ObjectMeta: metav1.ObjectMeta{
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Name: "extreme-request-defaults",
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},
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}
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if _, err := clientset.CoreV1().LimitRanges(ns.Name).Create(&limitRange); err != nil {
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log.Printf("Unable to create LimitRange in namespace '%v': Error: %v\n", ns.Name, err)
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} else {
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log.Printf("LimitRange extreme-request-defaults created in namespace '%v'\n", ns.Name)
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}
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}
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}
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}
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