/
delete.go
60 lines (47 loc) · 1.99 KB
/
delete.go
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package cleanupmachinedeployments
import (
"context"
"fmt"
infrastructurev1alpha3 "github.com/giantswarm/apiextensions/v6/pkg/apis/infrastructure/v1alpha3"
"github.com/giantswarm/microerror"
"github.com/giantswarm/operatorkit/v7/pkg/controller/context/finalizerskeptcontext"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
"github.com/giantswarm/aws-operator/v13/pkg/label"
"github.com/giantswarm/aws-operator/v13/service/controller/key"
)
func (r *Resource) EnsureDeleted(ctx context.Context, obj interface{}) error {
cr, err := key.ToCluster(ctx, obj)
if err != nil {
return microerror.Mask(err)
}
mdList := &infrastructurev1alpha3.AWSMachineDeploymentList{}
{
r.logger.Debugf(ctx, "finding AWSMachineDeployments for tenant cluster")
o := metav1.ListOptions{
LabelSelector: fmt.Sprintf("%s=%s", label.Cluster, key.ClusterID(&cr)),
}
err = r.ctrlClient.List(ctx, mdList, &client.ListOptions{Raw: &o})
if err != nil {
return microerror.Mask(err)
}
r.logger.Debugf(ctx, "found %d AWSMachineDeployments for tenant cluster", len(mdList.Items))
}
// We do not want to delete the AWSCluster CR as long as there are any
// AWSMachineDeployment CRs. This is because there cannot be any Node Pool
// without a Cluster.
if len(mdList.Items) != 0 {
r.logger.Debugf(ctx, "keeping finalizers")
finalizerskeptcontext.SetKept(ctx)
}
for i, md := range mdList.Items {
r.logger.Debugf(ctx, "deleting aws machine deployment %#q for tenant cluster %#q", md.Namespace+"/"+md.Name, key.ClusterID(&cr))
err = r.ctrlClient.Delete(ctx, &mdList.Items[i], &client.DeleteOptions{})
if err != nil {
return microerror.Mask(err)
}
r.logger.Debugf(ctx, "deleted aws machine deployment %#q for tenant cluster %#q", md.Namespace+"/"+md.Name, key.ClusterID(&cr))
r.event.Emit(ctx, &cr, "MachineDeploymentDeleted", fmt.Sprintf("deleted aws machine deployment %#q for tenant cluster %#q", md.Namespace+"/"+md.Name, key.ClusterID(&cr)))
}
return nil
}