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job.go
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job.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 gc
import (
"fmt"
"net/http"
"os"
"github.com/vmware/harbor/src/common"
common_http "github.com/vmware/harbor/src/common/http"
"github.com/vmware/harbor/src/common/http/modifier/auth"
"github.com/vmware/harbor/src/common/registryctl"
reg "github.com/vmware/harbor/src/common/utils/registry"
"github.com/vmware/harbor/src/jobservice/env"
"github.com/vmware/harbor/src/jobservice/logger"
"github.com/vmware/harbor/src/registryctl/client"
)
// GarbageCollector is the struct to run registry's garbage collection
type GarbageCollector struct {
registryCtlClient client.Client
logger logger.Interface
uiclient *common_http.Client
UIURL string
insecure bool
}
// MaxFails implements the interface in job/Interface
func (gc *GarbageCollector) MaxFails() uint {
return 1
}
// ShouldRetry implements the interface in job/Interface
func (gc *GarbageCollector) ShouldRetry() bool {
return false
}
// Validate implements the interface in job/Interface
func (gc *GarbageCollector) Validate(params map[string]interface{}) error {
return nil
}
// Run implements the interface in job/Interface
func (gc *GarbageCollector) Run(ctx env.JobContext, params map[string]interface{}) error {
if err := gc.init(ctx); err != nil {
return err
}
if err := gc.readonly(true); err != nil {
return err
}
defer gc.readonly(false)
if err := gc.registryCtlClient.Health(); err != nil {
gc.logger.Errorf("failed to start gc as regsitry controller is unreachable: %v", err)
return err
}
gc.logger.Infof("start to run gc in job.")
gcr, err := gc.registryCtlClient.StartGC()
if err != nil {
gc.logger.Errorf("failed to get gc result: %v", err)
return err
}
gc.logger.Infof("GC results: status: %t, message: %s, start: %s, end: %s.", gcr.Status, gcr.Msg, gcr.StartTime, gcr.EndTime)
gc.logger.Infof("success to run gc in job.")
return nil
}
func (gc *GarbageCollector) init(ctx env.JobContext) error {
registryctl.Init()
gc.registryCtlClient = registryctl.RegistryCtlClient
gc.logger = ctx.GetLogger()
cred := auth.NewSecretAuthorizer(os.Getenv("JOBSERVICE_SECRET"))
gc.insecure = false
gc.uiclient = common_http.NewClient(&http.Client{
Transport: reg.GetHTTPTransport(gc.insecure),
}, cred)
errTpl := "Failed to get required property: %s"
if v, ok := ctx.Get(common.UIURL); ok && len(v.(string)) > 0 {
gc.UIURL = v.(string)
} else {
return fmt.Errorf(errTpl, common.UIURL)
}
return nil
}
func (gc *GarbageCollector) readonly(switcher bool) error {
if err := gc.uiclient.Put(fmt.Sprintf("%s/api/configurations", gc.UIURL), struct {
ReadOnly bool `json:"read_only"`
}{
ReadOnly: switcher,
}); err != nil {
gc.logger.Errorf("failed to send readonly request to %s: %v", gc.UIURL, err)
return err
}
gc.logger.Info("the readonly request has been sent successfully")
return nil
}