Serge Bazanski | be538db | 2020-11-12 00:22:42 +0100 | [diff] [blame] | 1 | // Copyright 2017 The kubecfg authors |
| 2 | // |
| 3 | // |
| 4 | // Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | // you may not use this file except in compliance with the License. |
| 6 | // You may obtain a copy of the License at |
| 7 | // |
| 8 | // http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | // |
| 10 | // Unless required by applicable law or agreed to in writing, software |
| 11 | // distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | // See the License for the specific language governing permissions and |
| 14 | // limitations under the License. |
| 15 | |
| 16 | package kubecfg |
| 17 | |
| 18 | import ( |
| 19 | "context" |
| 20 | "fmt" |
| 21 | "sort" |
| 22 | |
| 23 | log "github.com/sirupsen/logrus" |
| 24 | "k8s.io/apimachinery/pkg/api/errors" |
| 25 | "k8s.io/apimachinery/pkg/api/meta" |
| 26 | metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| 27 | "k8s.io/apimachinery/pkg/apis/meta/v1/unstructured" |
| 28 | "k8s.io/client-go/discovery" |
| 29 | "k8s.io/client-go/dynamic" |
| 30 | |
| 31 | "code.hackerspace.pl/hscloud/cluster/tools/kartongips/utils" |
| 32 | ) |
| 33 | |
| 34 | // DeleteCmd represents the delete subcommand |
| 35 | type DeleteCmd struct { |
| 36 | Client dynamic.Interface |
| 37 | Mapper meta.RESTMapper |
| 38 | Discovery discovery.DiscoveryInterface |
| 39 | DefaultNamespace string |
| 40 | |
| 41 | GracePeriod int64 |
| 42 | } |
| 43 | |
| 44 | func (c DeleteCmd) Run(ctx context.Context, apiObjects []*unstructured.Unstructured) error { |
| 45 | version, err := utils.FetchVersion(c.Discovery) |
| 46 | if err != nil { |
| 47 | version = utils.GetDefaultVersion() |
| 48 | log.Warnf("Unable to parse server version. Received %v. Using default %s", err, version.String()) |
| 49 | } |
| 50 | |
| 51 | log.Infof("Fetching schemas for %d resources", len(apiObjects)) |
| 52 | depOrder, err := utils.DependencyOrder(c.Discovery, c.Mapper, apiObjects) |
| 53 | if err != nil { |
| 54 | return err |
| 55 | } |
| 56 | sort.Sort(sort.Reverse(depOrder)) |
| 57 | |
| 58 | deleteOpts := metav1.DeleteOptions{} |
| 59 | if version.Compare(1, 6) < 0 { |
| 60 | // 1.5.x option |
| 61 | boolFalse := false |
| 62 | deleteOpts.OrphanDependents = &boolFalse |
| 63 | } else { |
| 64 | // 1.6.x option (NB: Background is broken) |
| 65 | fg := metav1.DeletePropagationForeground |
| 66 | deleteOpts.PropagationPolicy = &fg |
| 67 | } |
| 68 | if c.GracePeriod >= 0 { |
| 69 | deleteOpts.GracePeriodSeconds = &c.GracePeriod |
| 70 | } |
| 71 | |
| 72 | for _, obj := range apiObjects { |
| 73 | desc := fmt.Sprintf("%s %s", utils.ResourceNameFor(c.Mapper, obj), utils.FqName(obj)) |
| 74 | log.Info("Deleting ", desc) |
| 75 | |
| 76 | client, err := utils.ClientForResource(c.Client, c.Mapper, obj, c.DefaultNamespace) |
| 77 | if err != nil { |
| 78 | return err |
| 79 | } |
| 80 | |
| 81 | err = client.Delete(ctx, obj.GetName(), deleteOpts) |
| 82 | if err != nil && !errors.IsNotFound(err) { |
| 83 | return fmt.Errorf("Error deleting %s: %s", desc, err) |
| 84 | } |
| 85 | |
| 86 | log.Debug("Deleted object: ", obj) |
| 87 | } |
| 88 | |
| 89 | return nil |
| 90 | } |