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firewall_delete.go
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firewall_delete.go
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package worker
import (
"context"
"errors"
"fmt"
"time"
extensionscontroller "github.com/gardener/gardener/extensions/pkg/controller"
retryutils "github.com/gardener/gardener/pkg/utils/retry"
"github.com/go-logr/logr"
fcmv2 "github.com/metal-stack/firewall-controller-manager/api/v2"
"github.com/metal-stack/gardener-extension-provider-metal/pkg/metal"
apierrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client"
)
func (a *actuator) firewallDelete(ctx context.Context, log logr.Logger, cluster *extensionscontroller.Cluster) error {
log.Info("ensuring firewall deployment gets deleted")
return retryutils.UntilTimeout(ctx, 5*time.Second, 2*time.Minute, func(ctx context.Context) (bool, error) {
deploy := &fcmv2.FirewallDeployment{
ObjectMeta: metav1.ObjectMeta{
Name: metal.FirewallDeploymentName,
Namespace: cluster.ObjectMeta.Name,
},
}
err := a.client.Get(ctx, client.ObjectKeyFromObject(deploy), deploy)
if err != nil {
if apierrors.IsNotFound(err) {
log.Info("firewall deployment deletion succeeded")
return retryutils.Ok()
}
return retryutils.SevereError(fmt.Errorf("error getting firewall deployment: %w", err))
}
if deploy.DeletionTimestamp == nil {
log.Info("deleting firewall deployment")
err = a.client.Delete(ctx, deploy)
if err != nil {
return retryutils.SevereError(fmt.Errorf("error deleting firewall deployment: %w", err))
}
return retryutils.MinorError(errors.New("firewall deployment is still ongoing"))
}
return retryutils.MinorError(errors.New("firewall deployment is still ongoing"))
})
}