| // Copyright 2017 The kubecfg authors |
| // |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package kubecfg |
| |
| import ( |
| "context" |
| "fmt" |
| "sort" |
| |
| log "github.com/sirupsen/logrus" |
| "k8s.io/apimachinery/pkg/api/errors" |
| "k8s.io/apimachinery/pkg/api/meta" |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| "k8s.io/client-go/discovery" |
| "k8s.io/client-go/dynamic" |
| |
| "code.hackerspace.pl/hscloud/cluster/tools/kartongips/utils" |
| ) |
| |
| // DeleteCmd represents the delete subcommand |
| type DeleteCmd struct { |
| Client dynamic.Interface |
| Mapper meta.RESTMapper |
| Discovery discovery.DiscoveryInterface |
| DefaultNamespace string |
| |
| GracePeriod int64 |
| } |
| |
| func (c DeleteCmd) Run(ctx context.Context, apiObjects []*unstructured.Unstructured) error { |
| version, err := utils.FetchVersion(c.Discovery) |
| if err != nil { |
| version = utils.GetDefaultVersion() |
| log.Warnf("Unable to parse server version. Received %v. Using default %s", err, version.String()) |
| } |
| |
| log.Infof("Fetching schemas for %d resources", len(apiObjects)) |
| depOrder, err := utils.DependencyOrder(c.Discovery, c.Mapper, apiObjects) |
| if err != nil { |
| return err |
| } |
| sort.Sort(sort.Reverse(depOrder)) |
| |
| deleteOpts := metav1.DeleteOptions{} |
| if version.Compare(1, 6) < 0 { |
| // 1.5.x option |
| boolFalse := false |
| deleteOpts.OrphanDependents = &boolFalse |
| } else { |
| // 1.6.x option (NB: Background is broken) |
| fg := metav1.DeletePropagationForeground |
| deleteOpts.PropagationPolicy = &fg |
| } |
| if c.GracePeriod >= 0 { |
| deleteOpts.GracePeriodSeconds = &c.GracePeriod |
| } |
| |
| for _, obj := range apiObjects { |
| desc := fmt.Sprintf("%s %s", utils.ResourceNameFor(c.Mapper, obj), utils.FqName(obj)) |
| log.Info("Deleting ", desc) |
| |
| client, err := utils.ClientForResource(c.Client, c.Mapper, obj, c.DefaultNamespace) |
| if err != nil { |
| return err |
| } |
| |
| err = client.Delete(ctx, obj.GetName(), deleteOpts) |
| if err != nil && !errors.IsNotFound(err) { |
| return fmt.Errorf("Error deleting %s: %s", desc, err) |
| } |
| |
| log.Debug("Deleted object: ", obj) |
| } |
| |
| return nil |
| } |