karmada/pkg/util/cluster.go

49 lines
1.5 KiB
Go

package util
import (
"context"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/types"
kubeclientset "k8s.io/client-go/kubernetes"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
)
// IsClusterReady tells whether the cluster status in 'Ready' condition.
func IsClusterReady(clusterStatus *v1alpha1.ClusterStatus) bool {
for _, condition := range clusterStatus.Conditions {
if condition.Type == v1alpha1.ClusterConditionReady {
if condition.Status == metav1.ConditionTrue {
return true
}
}
}
return false
}
// GetCluster returns the given Cluster resource
func GetCluster(hostClient client.Client, clusterName string) (*v1alpha1.Cluster, error) {
cluster := &v1alpha1.Cluster{}
if err := hostClient.Get(context.TODO(), types.NamespacedName{Name: clusterName}, cluster); err != nil {
return nil, err
}
return cluster, nil
}
// BuildDynamicClusterClient builds dynamic client for informerFactory by clusterName,
// it will build kubeconfig from cluster resource and construct dynamic client.
func BuildDynamicClusterClient(hostClient client.Client, kubeClient kubeclientset.Interface, clusterName string) (*DynamicClusterClient, error) {
cluster, err := GetCluster(hostClient, clusterName)
if err != nil {
return nil, err
}
dynamicClusterClient, err := NewClusterDynamicClientSet(cluster, kubeClient)
if err != nil {
return nil, err
}
return dynamicClusterClient, nil
}