2019-01-25 06:22:37 +01:00
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// Copyright Project Harbor Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package adapter
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import (
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"errors"
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"fmt"
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"github.com/goharbor/harbor/src/replication/ng/model"
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)
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2019-03-23 00:26:10 +01:00
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var registry = map[model.RegistryType]Factory{}
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2019-01-25 06:22:37 +01:00
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2019-03-04 11:33:20 +01:00
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// Factory creates a specific Adapter according to the params
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type Factory func(*model.Registry) (Adapter, error)
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2019-01-25 06:22:37 +01:00
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// Adapter interface defines the capabilities of registry
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type Adapter interface {
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// Info return the information of this adapter
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Info() (*model.RegistryInfo, error)
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2019-01-25 06:22:37 +01:00
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// Lists the available namespaces under the specified registry with the
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// provided credential/token
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ListNamespaces(*model.NamespaceQuery) ([]*model.Namespace, error)
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// Create a new namespace
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// This method should guarantee it's idempotent
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// And returns nil if a namespace with the same name already exists
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CreateNamespace(*model.Namespace) error
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// Get the namespace specified by the name, the returning value should
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// contain the metadata about the namespace if it has
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GetNamespace(string) (*model.Namespace, error)
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// HealthCheck checks health status of registry
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HealthCheck() (model.HealthStatus, error)
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}
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// RegisterFactory registers one adapter factory to the registry
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func RegisterFactory(t model.RegistryType, factory Factory) error {
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if len(t) == 0 {
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return errors.New("invalid registry type")
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}
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if factory == nil {
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return errors.New("empty adapter factory")
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}
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2019-03-23 00:26:10 +01:00
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if _, exist := registry[t]; exist {
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return fmt.Errorf("adapter factory for %s already exists", t)
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}
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registry[t] = factory
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return nil
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}
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// GetFactory gets the adapter factory by the specified name
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func GetFactory(t model.RegistryType) (Factory, error) {
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factory, exist := registry[t]
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if !exist {
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return nil, fmt.Errorf("adapter factory for %s not found", t)
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}
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return factory, nil
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}
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2019-04-06 12:05:38 +02:00
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// HasFactory checks whether there is given type adapter factory
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func HasFactory(t model.RegistryType) bool {
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_, ok := registry[t]
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return ok
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}
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2019-03-23 00:26:10 +01:00
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// ListRegisteredAdapterTypes lists the registered Adapter type
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func ListRegisteredAdapterTypes() []model.RegistryType {
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types := []model.RegistryType{}
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for t := range registry {
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types = append(types, t)
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}
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return types
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}
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