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client.go
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client.go
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// Copyright (c) 2017 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 client
import (
"encoding/json"
"fmt"
"io/ioutil"
"net/http"
"strings"
common_http "github.com/vmware/harbor/src/common/http"
"github.com/vmware/harbor/src/common/http/modifier/auth"
"github.com/vmware/harbor/src/common/utils"
"github.com/vmware/harbor/src/common/utils/log"
"github.com/vmware/harbor/src/registryctl/api"
)
// Client defines methods that an Regsitry client should implement
type Client interface {
// Health tests the connection with registry server
Health() error
// StartGC enable the gc of registry server
StartGC() (*api.GCResult, error)
}
type client struct {
baseURL string
client *common_http.Client
}
// Config contains configurations needed for client
type Config struct {
Secret string
}
// NewClient return an instance of Registry client
func NewClient(baseURL string, cfg *Config) Client {
baseURL = strings.TrimRight(baseURL, "/")
if !strings.Contains(baseURL, "://") {
baseURL = "http://" + baseURL
}
client := &client{
baseURL: baseURL,
}
if cfg != nil {
authorizer := auth.NewSecretAuthorizer(cfg.Secret)
client.client = common_http.NewClient(nil, authorizer)
}
return client
}
// Health ...
func (c *client) Health() error {
addr := strings.Split(c.baseURL, "://")[1]
if !strings.Contains(addr, ":") {
addr = addr + ":80"
}
return utils.TestTCPConn(addr, 60, 2)
}
// StartGC ...
func (c *client) StartGC() (*api.GCResult, error) {
url := c.baseURL + "/api/registry/gc"
gcr := &api.GCResult{}
req, err := http.NewRequest(http.MethodPost, url, nil)
if err != nil {
return nil, err
}
req.Header.Set("Content-Type", "application/json")
resp, err := c.client.Do(req)
if err != nil {
return nil, err
}
defer resp.Body.Close()
data, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != http.StatusOK {
log.Errorf("Failed to start gc: %d", resp.StatusCode)
return nil, fmt.Errorf("Failed to start GC: %d", resp.StatusCode)
}
if err := json.Unmarshal(data, gcr); err != nil {
return nil, err
}
return gcr, nil
}