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delete.go
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delete.go
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// Copyright Project Harbor 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 replication
import (
"net/http"
common_http "github.com/goharbor/harbor/src/common/http"
"github.com/goharbor/harbor/src/common/utils/registry/auth"
"github.com/goharbor/harbor/src/jobservice/env"
"github.com/goharbor/harbor/src/jobservice/logger"
)
// Deleter deletes repository or images on the destination registry
type Deleter struct {
ctx env.JobContext
repository *repository
dstRegistry *registry
logger logger.Interface
retry bool
}
// ShouldRetry : retry if the error is network error
func (d *Deleter) ShouldRetry() bool {
return d.retry
}
// MaxFails ...
func (d *Deleter) MaxFails() uint {
return 3
}
// Validate ....
func (d *Deleter) Validate(params map[string]interface{}) error {
return nil
}
// Run ...
func (d *Deleter) Run(ctx env.JobContext, params map[string]interface{}) error {
err := d.run(ctx, params)
d.retry = retry(err)
return err
}
func (d *Deleter) run(ctx env.JobContext, params map[string]interface{}) error {
if err := d.init(ctx, params); err != nil {
return err
}
return d.delete()
}
func (d *Deleter) init(ctx env.JobContext, params map[string]interface{}) error {
d.logger = ctx.GetLogger()
d.ctx = ctx
if canceled(d.ctx) {
d.logger.Warning(errCanceled.Error())
return errCanceled
}
d.repository = &repository{
name: params["repository"].(string),
}
if tags, ok := params["tags"]; ok {
tgs := tags.([]interface{})
for _, tg := range tgs {
d.repository.tags = append(d.repository.tags, tg.(string))
}
}
url := params["dst_registry_url"].(string)
insecure := params["dst_registry_insecure"].(bool)
cred := auth.NewBasicAuthCredential(
params["dst_registry_username"].(string),
params["dst_registry_password"].(string))
var err error
d.dstRegistry, err = initRegistry(url, insecure, cred, d.repository.name)
if err != nil {
d.logger.Errorf("failed to create client for destination registry: %v", err)
return err
}
d.logger.Infof("initialization completed: repository: %s, tags: %v, destination URL: %s, insecure: %v",
d.repository.name, d.repository.tags, d.dstRegistry.url, d.dstRegistry.insecure)
return nil
}
func (d *Deleter) delete() error {
repository := d.repository.name
tags := d.repository.tags
if len(tags) == 0 {
if canceled(d.ctx) {
d.logger.Warning(errCanceled.Error())
return errCanceled
}
if err := d.dstRegistry.DeleteRepository(repository); err != nil {
if e, ok := err.(*common_http.Error); ok && e.Code == http.StatusNotFound {
d.logger.Warningf("repository %s not found", repository)
return nil
}
d.logger.Errorf("failed to delete repository %s: %v", repository, err)
return err
}
d.logger.Infof("repository %s has been deleted", repository)
return nil
}
for _, tag := range tags {
if canceled(d.ctx) {
d.logger.Warning(errCanceled.Error())
return errCanceled
}
if err := d.dstRegistry.DeleteImage(repository, tag); err != nil {
if e, ok := err.(*common_http.Error); ok && e.Code == http.StatusNotFound {
d.logger.Warningf("image %s:%s not found", repository, tag)
return nil
}
d.logger.Errorf("failed to delete image %s:%s: %v", repository, tag, err)
return err
}
d.logger.Infof("image %s:%s has been deleted", repository, tag)
}
return nil
}