forked from giantswarm/aws-operator
/
delete.go
76 lines (60 loc) · 2.11 KB
/
delete.go
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package service
import (
"context"
"github.com/giantswarm/microerror"
"github.com/giantswarm/operatorkit/framework"
apiv1 "k8s.io/api/core/v1"
apierrors "k8s.io/apimachinery/pkg/api/errors"
apismetav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"github.com/giantswarm/aws-operator/service/awsconfig/v2/key"
)
func (r *Resource) ApplyDeleteChange(ctx context.Context, obj, deleteChange interface{}) error {
customObject, err := key.ToCustomObject(obj)
if err != nil {
return microerror.Mask(err)
}
serviceToDelete, err := toService(deleteChange)
if err != nil {
return microerror.Mask(err)
}
if serviceToDelete != nil {
r.logger.LogCtx(ctx, "debug", "deleting Kubernetes service")
namespace := key.ClusterNamespace(customObject)
err := r.k8sClient.CoreV1().Services(namespace).Delete(serviceToDelete.Name, &apismetav1.DeleteOptions{})
if apierrors.IsNotFound(err) {
// fall through
} else if err != nil {
return microerror.Mask(err)
}
r.logger.LogCtx(ctx, "debug", "deleting Kubernetes service: deleted")
} else {
r.logger.LogCtx(ctx, "debug", "deleting Kubernetes service: already deleted")
}
return nil
}
func (r *Resource) NewDeletePatch(ctx context.Context, obj, currentState, desiredState interface{}) (*framework.Patch, error) {
delete, err := r.newDeleteChange(ctx, obj, currentState, desiredState)
if err != nil {
return nil, microerror.Mask(err)
}
patch := framework.NewPatch()
patch.SetDeleteChange(delete)
return patch, nil
}
func (r *Resource) newDeleteChange(ctx context.Context, obj, currentState, desiredState interface{}) (interface{}, error) {
currentService, err := toService(currentState)
if err != nil {
return nil, microerror.Mask(err)
}
desiredService, err := toService(desiredState)
if err != nil {
return nil, microerror.Mask(err)
}
r.logger.LogCtx(ctx, "debug", "finding out if the service has to be deleted")
var serviceToDelete *apiv1.Service
if currentService != nil && desiredService.Name == currentService.Name {
serviceToDelete = desiredService
}
r.logger.LogCtx(ctx, "debug", "found out if the service has to be deleted")
return serviceToDelete, nil
}