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manager.go
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manager.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 registry
import (
"fmt"
"github.com/goharbor/harbor/src/common/utils"
"github.com/goharbor/harbor/src/common/utils/log"
"github.com/goharbor/harbor/src/replication/adapter"
"github.com/goharbor/harbor/src/replication/config"
"github.com/goharbor/harbor/src/replication/dao"
"github.com/goharbor/harbor/src/replication/dao/models"
"github.com/goharbor/harbor/src/replication/model"
)
// Manager defines the methods that a target manager should implement
type Manager interface {
// Add new registry
Add(*model.Registry) (int64, error)
// List registries, returns total count, registry list and error
List(...*model.RegistryQuery) (int64, []*model.Registry, error)
// Get the specified registry
Get(int64) (*model.Registry, error)
// GetByName gets registry by name
GetByName(name string) (*model.Registry, error)
// Update the registry, the "props" are the properties of registry
// that need to be updated
Update(registry *model.Registry, props ...string) error
// Remove the registry with the specified ID
Remove(int64) error
// HealthCheck checks health status of all registries and update result in database
HealthCheck() error
}
// DefaultManager implement the Manager interface
type DefaultManager struct{}
// NewDefaultManager returns an instance of DefaultManger
func NewDefaultManager() *DefaultManager {
return &DefaultManager{}
}
// Ensure *DefaultManager has implemented Manager interface.
var _ Manager = (*DefaultManager)(nil)
// Get gets a registry by id
func (m *DefaultManager) Get(id int64) (*model.Registry, error) {
registry, err := dao.GetRegistry(id)
if err != nil {
return nil, err
}
if registry == nil {
return nil, nil
}
return fromDaoModel(registry)
}
// GetByName gets a registry by its name
func (m *DefaultManager) GetByName(name string) (*model.Registry, error) {
registry, err := dao.GetRegistryByName(name)
if err != nil {
return nil, err
}
if registry == nil {
return nil, nil
}
return fromDaoModel(registry)
}
// List lists registries according to query provided.
func (m *DefaultManager) List(query ...*model.RegistryQuery) (int64, []*model.Registry, error) {
var registryQueries []*dao.ListRegistryQuery
if len(query) > 0 {
// limit being -1 indicates no pagination specified, result in all registries matching name returned.
listQuery := &dao.ListRegistryQuery{
Query: query[0].Name,
Limit: -1,
}
if query[0].Pagination != nil {
listQuery.Offset = query[0].Pagination.Page * query[0].Pagination.Size
listQuery.Limit = query[0].Pagination.Size
}
registryQueries = append(registryQueries, listQuery)
}
total, registries, err := dao.ListRegistries(registryQueries...)
if err != nil {
return -1, nil, err
}
var results []*model.Registry
for _, r := range registries {
registry, err := fromDaoModel(r)
if err != nil {
return -1, nil, err
}
results = append(results, registry)
}
return total, results, nil
}
// Add adds a new registry
func (m *DefaultManager) Add(registry *model.Registry) (int64, error) {
r, err := toDaoModel(registry)
if err != nil {
log.Errorf("Convert registry model to dao layer model error: %v", err)
return -1, err
}
id, err := dao.AddRegistry(r)
if err != nil {
log.Errorf("Add registry error: %v", err)
return -1, err
}
return id, nil
}
// Update updates a registry
func (m *DefaultManager) Update(registry *model.Registry, props ...string) error {
r, err := toDaoModel(registry)
if err != nil {
log.Errorf("Convert registry model to dao layer model error: %v", err)
return err
}
return dao.UpdateRegistry(r)
}
// Remove deletes a registry
func (m *DefaultManager) Remove(id int64) error {
if err := dao.DeleteRegistry(id); err != nil {
log.Errorf("Delete registry %d error: %v", id, err)
return err
}
return nil
}
// HealthCheck checks health status of every registries and update their status. It will check whether a registry
// is reachable and the credential is valid
func (m *DefaultManager) HealthCheck() error {
_, registries, err := m.List()
if err != nil {
return err
}
errCount := 0
for _, r := range registries {
status, err := CheckHealthStatus(r)
if err != nil {
log.Warningf("Check health status for %s error: %v", r.URL, err)
}
r.Status = string(status)
err = m.Update(r, "status")
if err != nil {
log.Warningf("Update health status for '%s' error: %v", r.URL, err)
errCount++
continue
}
}
if errCount > 0 {
return fmt.Errorf("%d out of %d registries failed to update health status", errCount, len(registries))
}
return nil
}
// CheckHealthStatus checks status of a given registry
func CheckHealthStatus(r *model.Registry) (model.HealthStatus, error) {
if !adapter.HasFactory(r.Type) {
return model.Unknown, fmt.Errorf("no adapter factory for type '%s' registered", r.Type)
}
factory, err := adapter.GetFactory(r.Type)
if err != nil {
return model.Unknown, fmt.Errorf("get adaper for type '%s' error: %v", r.Type, err)
}
rAdapter, err := factory(r)
if err != nil {
return model.Unknown, fmt.Errorf("generate '%s' type adapter form factory error: %v", r.Type, err)
}
return rAdapter.HealthCheck()
}
// decrypt checks whether access secret is set in the registry, if so, decrypt it.
func decrypt(secret string) (string, error) {
if len(secret) == 0 {
return "", nil
}
decrypted, err := utils.ReversibleDecrypt(secret, config.Config.SecretKey)
if err != nil {
return "", err
}
return decrypted, nil
}
// encrypt checks whether access secret is set in the registry, if so, encrypt it.
func encrypt(secret string) (string, error) {
if len(secret) == 0 {
return secret, nil
}
encrypted, err := utils.ReversibleEncrypt(secret, config.Config.SecretKey)
if err != nil {
return "", err
}
return encrypted, nil
}
// fromDaoModel converts DAO layer registry model to replication model.
// Also, if access secret is provided, decrypt it.
func fromDaoModel(registry *models.Registry) (*model.Registry, error) {
r := &model.Registry{
ID: registry.ID,
Name: registry.Name,
Description: registry.Description,
Type: model.RegistryType(registry.Type),
Credential: &model.Credential{},
URL: registry.URL,
Insecure: registry.Insecure,
Status: registry.Health,
CreationTime: registry.CreationTime,
UpdateTime: registry.UpdateTime,
}
if len(registry.AccessKey) != 0 {
credentialType := registry.CredentialType
if len(credentialType) == 0 {
credentialType = model.CredentialTypeBasic
}
decrypted, err := decrypt(registry.AccessSecret)
if err != nil {
return nil, err
}
r.Credential = &model.Credential{
Type: model.CredentialType(credentialType),
AccessKey: registry.AccessKey,
AccessSecret: decrypted,
}
}
return r, nil
}
// toDaoModel converts registry model from replication to DAO layer model.
// Also, if access secret is provided, encrypt it.
func toDaoModel(registry *model.Registry) (*models.Registry, error) {
m := &models.Registry{
ID: registry.ID,
URL: registry.URL,
Name: registry.Name,
Type: string(registry.Type),
Insecure: registry.Insecure,
Description: registry.Description,
Health: registry.Status,
CreationTime: registry.CreationTime,
UpdateTime: registry.UpdateTime,
}
if registry.Credential != nil && len(registry.Credential.AccessKey) != 0 {
credentialType := registry.Credential.Type
if len(credentialType) == 0 {
credentialType = model.CredentialTypeBasic
}
encrypted, err := encrypt(registry.Credential.AccessSecret)
if err != nil {
return nil, err
}
m.CredentialType = string(credentialType)
m.AccessKey = registry.Credential.AccessKey
m.AccessSecret = encrypted
}
return m, nil
}