129 lines
3.7 KiB
Go
129 lines
3.7 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tiller
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import (
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"fmt"
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"strings"
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ctx "golang.org/x/net/context"
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"k8s.io/helm/pkg/hooks"
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"k8s.io/helm/pkg/proto/hapi/release"
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"k8s.io/helm/pkg/proto/hapi/services"
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relutil "k8s.io/helm/pkg/releaseutil"
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"k8s.io/helm/pkg/timeconv"
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)
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// UninstallRelease deletes all of the resources associated with this release, and marks the release DELETED.
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func (s *ReleaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
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if err := validateReleaseName(req.Name); err != nil {
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s.Log("uninstallRelease: Release name is invalid: %s", req.Name)
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return nil, err
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}
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rels, err := s.env.Releases.History(req.Name)
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if err != nil {
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s.Log("uninstall: Release not loaded: %s", req.Name)
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return nil, err
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}
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if len(rels) < 1 {
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return nil, errMissingRelease
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}
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relutil.SortByRevision(rels)
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rel := rels[len(rels)-1]
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// TODO: Are there any cases where we want to force a delete even if it's
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// already marked deleted?
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if rel.Info.Status.Code == release.Status_DELETED {
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if req.Purge {
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if err := s.purgeReleases(rels...); err != nil {
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s.Log("uninstall: Failed to purge the release: %s", err)
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return nil, err
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}
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return &services.UninstallReleaseResponse{Release: rel}, nil
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}
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return nil, fmt.Errorf("the release named %q is already deleted", req.Name)
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}
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s.Log("uninstall: Deleting %s", req.Name)
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rel.Info.Status.Code = release.Status_DELETING
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rel.Info.Deleted = timeconv.Now()
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rel.Info.Description = "Deletion in progress (or silently failed)"
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res := &services.UninstallReleaseResponse{Release: rel}
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if !req.DisableHooks {
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if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, hooks.PreDelete, req.Timeout); err != nil {
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return res, err
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}
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} else {
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s.Log("delete hooks disabled for %s", req.Name)
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}
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// From here on out, the release is currently considered to be in Status_DELETING
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// state.
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if err := s.env.Releases.Update(rel); err != nil {
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s.Log("uninstall: Failed to store updated release: %s", err)
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}
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kept, errs := s.ReleaseModule.Delete(rel, req, s.env)
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res.Info = kept
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es := make([]string, 0, len(errs))
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for _, e := range errs {
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s.Log("error: %v", e)
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es = append(es, e.Error())
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}
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if !req.DisableHooks {
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if err := s.execHook(rel.Hooks, rel.Name, rel.Namespace, hooks.PostDelete, req.Timeout); err != nil {
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es = append(es, err.Error())
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}
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}
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rel.Info.Status.Code = release.Status_DELETED
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rel.Info.Description = "Deletion complete"
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if req.Purge {
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s.Log("purge requested for %s", req.Name)
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err := s.purgeReleases(rels...)
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if err != nil {
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s.Log("uninstall: Failed to purge the release: %s", err)
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}
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return res, err
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}
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if err := s.env.Releases.Update(rel); err != nil {
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s.Log("uninstall: Failed to store updated release: %s", err)
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}
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if len(es) > 0 {
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return res, fmt.Errorf("deletion completed with %d error(s): %s", len(es), strings.Join(es, "; "))
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}
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return res, nil
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}
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func (s *ReleaseServer) purgeReleases(rels ...*release.Release) error {
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for _, rel := range rels {
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if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
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return err
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}
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}
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return nil
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}
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