mirror of
https://github.com/goharbor/harbor
synced 2025-04-15 21:43:40 +00:00
42a5db83b2
extract select from pkg/retention, move it to pkg/artselector to make it usable by immutable tag Signed-off-by: wang yan <wangyan@vmware.com>
108 lines
2.7 KiB
Go
108 lines
2.7 KiB
Go
// 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 index
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import (
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"sync"
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"github.com/goharbor/harbor/src/pkg/art"
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"github.com/goharbor/harbor/src/pkg/art/selectors/doublestar"
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"github.com/pkg/errors"
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)
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func init() {
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// Register doublestar selector
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Register(doublestar.Kind, []string{
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doublestar.Matches,
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doublestar.Excludes,
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doublestar.RepoMatches,
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doublestar.RepoExcludes,
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doublestar.NSMatches,
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doublestar.NSExcludes,
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}, doublestar.New)
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// Register label selector
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// Register(label.Kind, []string{label.With, label.Without}, label.New)
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}
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// index for keeping the mapping between selector meta and its implementation
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var index sync.Map
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// IndexedMeta describes the indexed selector
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type IndexedMeta struct {
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Kind string `json:"kind"`
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Decorations []string `json:"decorations"`
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}
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// indexedItem defined item kept in the index
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type indexedItem struct {
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Meta *IndexedMeta
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Factory art.SelectorFactory
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}
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// Register the selector with the corresponding selector kind and decoration
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func Register(kind string, decorations []string, factory art.SelectorFactory) {
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if len(kind) == 0 || factory == nil {
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// do nothing
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return
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}
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index.Store(kind, &indexedItem{
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Meta: &IndexedMeta{
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Kind: kind,
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Decorations: decorations,
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},
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Factory: factory,
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})
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}
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// Get selector with the provided kind and decoration
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func Get(kind, decoration, pattern string) (art.Selector, error) {
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if len(kind) == 0 || len(decoration) == 0 {
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return nil, errors.New("empty selector kind or decoration")
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}
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v, ok := index.Load(kind)
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if !ok {
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return nil, errors.Errorf("selector %s is not registered", kind)
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}
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item := v.(*indexedItem)
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for _, dec := range item.Meta.Decorations {
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if dec == decoration {
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factory := item.Factory
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return factory(decoration, pattern), nil
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}
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}
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return nil, errors.Errorf("decoration %s of selector %s is not supported", decoration, kind)
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}
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// Index returns all the declarative selectors
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func Index() []*IndexedMeta {
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all := make([]*IndexedMeta, 0)
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index.Range(func(k, v interface{}) bool {
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if item, ok := v.(*indexedItem); ok {
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all = append(all, item.Meta)
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return true
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}
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return false
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})
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return all
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}
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