mirror of
https://github.com/goharbor/harbor.git
synced 2024-11-02 16:49:48 +01:00
94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
/*
|
|
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 utils
|
|
|
|
import (
|
|
"os"
|
|
"time"
|
|
|
|
"github.com/vmware/harbor/utils/log"
|
|
"github.com/vmware/harbor/utils/registry"
|
|
|
|
"github.com/astaxie/beego/cache"
|
|
)
|
|
|
|
// Cache is the global cache in system.
|
|
var Cache cache.Cache
|
|
|
|
var registryClient *registry.Registry
|
|
|
|
const catalogKey string = "catalog"
|
|
|
|
func init() {
|
|
var err error
|
|
Cache, err = cache.NewCache("memory", `{"interval":720}`)
|
|
if err != nil {
|
|
log.Errorf("Failed to initialize cache, error:%v", err)
|
|
}
|
|
|
|
endpoint := os.Getenv("REGISTRY_URL")
|
|
client := registry.NewClientUsernameAuthHandlerEmbeded("admin")
|
|
registryClient, err = registry.New(endpoint, client)
|
|
if err != nil {
|
|
log.Fatalf("error occurred while initializing authentication handler used by cache: %v", err)
|
|
}
|
|
}
|
|
|
|
// RefreshCatalogCache calls registry's API to get repository list and write it to cache.
|
|
func RefreshCatalogCache() error {
|
|
log.Debug("refreshing catalog cache...")
|
|
rs, err := registryClient.Catalog()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
repos := []string{}
|
|
|
|
for _, repo := range rs {
|
|
tags, err := registryClient.ListTag(repo)
|
|
if err != nil {
|
|
log.Errorf("error occurred while list tag for %s: %v", repo, err)
|
|
return err
|
|
}
|
|
|
|
if len(tags) != 0 {
|
|
repos = append(repos, repo)
|
|
log.Debugf("add %s to catalog cache", repo)
|
|
}
|
|
}
|
|
|
|
Cache.Put(catalogKey, repos, 600*time.Second)
|
|
return nil
|
|
}
|
|
|
|
// GetRepoFromCache get repository list from cache, it refreshes the cache if it's empty.
|
|
func GetRepoFromCache() ([]string, error) {
|
|
|
|
result := Cache.Get(catalogKey)
|
|
if result == nil {
|
|
err := RefreshCatalogCache()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
cached := Cache.Get(catalogKey)
|
|
if cached != nil {
|
|
return cached.([]string), nil
|
|
}
|
|
return nil, nil
|
|
}
|
|
return result.([]string), nil
|
|
}
|