karmada/pkg/util/cluster.go

45 lines
1.3 KiB
Go

package util
import (
"context"
"k8s.io/apimachinery/pkg/api/meta"
"k8s.io/apimachinery/pkg/types"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
)
const (
// NamespaceClusterLease is the namespace which cluster lease are stored.
NamespaceClusterLease = "karmada-cluster"
)
// IsClusterReady tells whether the cluster status in 'Ready' condition.
func IsClusterReady(clusterStatus *v1alpha1.ClusterStatus) bool {
return meta.IsStatusConditionTrue(clusterStatus.Conditions, v1alpha1.ClusterConditionReady)
}
// 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
}
// IsAPIInstallInCluster checks if the given api is installed in member cluster
func IsAPIInstallInCluster(clusterStatus v1alpha1.ClusterStatus, groupVersion, name, kind string) bool {
for _, apiEnablement := range clusterStatus.APIEnablements {
if apiEnablement.GroupVersion == groupVersion {
for _, apiResource := range apiEnablement.Resources {
if apiResource.Kind == kind && apiResource.Name == name {
return true
}
}
}
}
return false
}