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namespaces.go
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/
namespaces.go
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package k8s
import (
"context"
"github.com/keikoproj/flippy/pkg/k8s-utils/utils"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
func (K8sWrapper) GetNamespaces(clientset kubernetes.Interface) (*v1.NamespaceList, error) {
namespaces, err := clientset.CoreV1().Namespaces().List(context.TODO(), metav1.ListOptions{})
if err != nil {
return nil, err
}
return namespaces, nil
}
func (K8sWrapper) GetNamespaceWithLabelFilter(clientset kubernetes.Interface, labels map[string]string) ([]string, error) {
labelSelectorFilter := ""
for labelName, labelValue := range labels {
if len(labelSelectorFilter) > 0 {
labelSelectorFilter += ", "
}
labelSelectorFilter = labelName + "=" + labelValue
}
filteredNamespaces := make([]string, 0)
namespaceClient := clientset.CoreV1().Namespaces()
namespaces, err := namespaceClient.List(context.TODO(), metav1.ListOptions{
LabelSelector: labelSelectorFilter,
})
if err != nil {
return filteredNamespaces, nil
}
for _, namespace := range namespaces.Items {
if utils.IsStringMapSubset(namespace.ObjectMeta.Labels, labels) {
filteredNamespaces = append(filteredNamespaces, namespace.Name)
}
}
return filteredNamespaces, nil
}