add state handler for deleting repository

job/replication/deletestatehandlers.go

@@ -0,0 +1,104 @@
+/*
+   Copyright (c) 2016 VMware, Inc. All Rights Reserved.
+   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 (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"strings"
+
+	"github.com/vmware/harbor/models"
+	"github.com/vmware/harbor/utils/log"
+)
+
+const (
+	// StateDelete ...
+	StateDelete = "delete"
+)
+
+// Deleter deletes repository or tags
+type Deleter struct {
+	repository string // prject_name/repo_name
+	tags       []string
+
+	dstURL string // url of target registry
+	dstUsr string // username ...
+	dstPwd string // username ...
+
+	logger *log.Logger
+}
+
+// Exit ...
+func (d *Deleter) Exit() error {
+	return nil
+}
+
+// Enter deletes repository or tags
+func (d *Deleter) Enter() (string, error) {
+	url := strings.TrimRight(d.dstURL, "/") + "/api/repositories/"
+
+	// delete repository
+	if len(d.tags) == 0 {
+		u := url + "?repo_name=" + d.repository
+		if err := del(u, d.dstUsr, d.dstPwd); err != nil {
+			d.logger.Errorf("an error occurred while deleting repository %s on %s with user %s: %v", d.repository, d.dstURL, d.dstUsr, err)
+			return "", err
+		}
+
+		d.logger.Infof("repository %s on %s has been deleted", d.repository, d.dstURL)
+
+		return models.JobFinished, nil
+	}
+
+	// delele tags
+	for _, tag := range d.tags {
+		u := url + "?repo_name=" + d.repository + "&tag=" + tag
+		if err := del(u, d.dstUsr, d.dstPwd); err != nil {
+			d.logger.Errorf("an error occurred while deleting repository %s:%s on %s with user %s: %v", d.repository, tag, d.dstURL, d.dstUsr, err)
+			return "", err
+		}
+
+		d.logger.Infof("repository %s:%s on %s has been deleted", d.repository, tag, d.dstURL)
+	}
+
+	return models.JobFinished, nil
+}
+
+func del(url, username, password string) error {
+	req, err := http.NewRequest("DELETE", url, nil)
+	if err != nil {
+		return err
+	}
+
+	req.SetBasicAuth(username, password)
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return err
+	}
+
+	if resp.StatusCode == http.StatusOK {
+		return nil
+	}
+
+	defer resp.Body.Close()
+	b, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		return err
+	}
+
+	return fmt.Errorf("%d %s", resp.StatusCode, string(b))
+}