karmada/pkg/scheduler/framework/plugins/apienablement/api_enablement.go

45 lines
1.6 KiB
Go

package apienablement
import (
"context"
"k8s.io/klog/v2"
clusterv1alpha1 "github.com/karmada-io/karmada/pkg/apis/cluster/v1alpha1"
policyv1alpha1 "github.com/karmada-io/karmada/pkg/apis/policy/v1alpha1"
workv1alpha2 "github.com/karmada-io/karmada/pkg/apis/work/v1alpha2"
"github.com/karmada-io/karmada/pkg/scheduler/framework"
"github.com/karmada-io/karmada/pkg/util/helper"
)
const (
// Name is the name of the plugin used in the plugin registry and configurations.
Name = "APIEnablement"
)
// APIEnablement is a plugin that checks if the API(CRD) of the resource is installed in the target cluster.
type APIEnablement struct{}
var _ framework.FilterPlugin = &APIEnablement{}
// New instantiates the APIEnablement plugin.
func New() (framework.Plugin, error) {
return &APIEnablement{}, nil
}
// Name returns the plugin name.
func (p *APIEnablement) Name() string {
return Name
}
// Filter checks if the API(CRD) of the resource is enabled or installed in the target cluster.
func (p *APIEnablement) Filter(ctx context.Context, placement *policyv1alpha1.Placement,
bindingSpec *workv1alpha2.ResourceBindingSpec, cluster *clusterv1alpha1.Cluster) *framework.Result {
if !helper.IsAPIEnabled(cluster.Status.APIEnablements, bindingSpec.Resource.APIVersion, bindingSpec.Resource.Kind) {
klog.V(2).Infof("Cluster(%s) not fit as missing API(%s, kind=%s)", cluster.Name, bindingSpec.Resource.APIVersion, bindingSpec.Resource.Kind)
return framework.NewResult(framework.Unschedulable, "cluster(s) didn't have the API resource")
}
return framework.NewResult(framework.Success)
}