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/
image_cmd_common.go
63 lines (57 loc) · 1.79 KB
/
image_cmd_common.go
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// Copyright 2015 The rkt 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 main
import (
"errors"
"fmt"
"github.com/hashicorp/errwrap"
"github.com/rkt/rkt/store/imagestore"
"github.com/appc/spec/discovery"
"github.com/appc/spec/schema/types"
)
func getStoreKeyFromApp(s *imagestore.Store, img string) (string, error) {
app, err := discovery.NewAppFromString(img)
if err != nil {
return "", errwrap.Wrap(fmt.Errorf("cannot parse the image name %q", img), err)
}
labels, err := types.LabelsFromMap(app.Labels)
if err != nil {
return "", errwrap.Wrap(fmt.Errorf("invalid labels in the image %q", img), err)
}
key, err := s.GetACI(app.Name, labels)
if err != nil {
switch err.(type) {
case imagestore.ACINotFoundError:
return "", err
default:
return "", errwrap.Wrap(fmt.Errorf("cannot find image %q", img), err)
}
}
return key, nil
}
func getStoreKeyFromAppOrHash(s *imagestore.Store, input string) (string, error) {
var key string
if _, err := types.NewHash(input); err == nil {
key, err = s.ResolveKey(input)
if err != nil {
return "", errwrap.Wrap(errors.New("cannot resolve image ID"), err)
}
} else {
key, err = getStoreKeyFromApp(s, input)
if err != nil {
return "", errwrap.Wrap(errors.New("cannot find image"), err)
}
}
return key, nil
}