97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2019 clair 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 database
|
|
|
|
// Ancestry is a manifest that keeps all layers in an image in order.
|
|
type Ancestry struct {
|
|
// Name is a globally unique value for a set of layers. This is often the
|
|
// sha256 digest of an OCI/Docker manifest.
|
|
Name string `json:"name"`
|
|
// By contains the processors that are used when computing the
|
|
// content of this ancestry.
|
|
By []Detector `json:"by"`
|
|
// Layers should be ordered and i_th layer is the parent of i+1_th layer in
|
|
// the slice.
|
|
Layers []AncestryLayer `json:"layers"`
|
|
}
|
|
|
|
// Valid checks if the ancestry is compliant to spec.
|
|
func (a *Ancestry) Valid() bool {
|
|
if a == nil {
|
|
return false
|
|
}
|
|
|
|
if a.Name == "" {
|
|
return false
|
|
}
|
|
|
|
for _, d := range a.By {
|
|
if !d.Valid() {
|
|
return false
|
|
}
|
|
}
|
|
|
|
for _, l := range a.Layers {
|
|
if !l.Valid() {
|
|
return false
|
|
}
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// AncestryLayer is a layer with all detected namespaced features.
|
|
type AncestryLayer struct {
|
|
// Hash is the sha-256 tarsum on the layer's blob content.
|
|
Hash string `json:"hash"`
|
|
// Features are the features introduced by this layer when it was
|
|
// processed.
|
|
Features []AncestryFeature `json:"features"`
|
|
}
|
|
|
|
// Valid checks if the Ancestry Layer is compliant to the spec.
|
|
func (l *AncestryLayer) Valid() bool {
|
|
if l == nil {
|
|
return false
|
|
}
|
|
|
|
if l.Hash == "" {
|
|
return false
|
|
}
|
|
|
|
return true
|
|
}
|
|
|
|
// GetFeatures returns the Ancestry's features.
|
|
func (l *AncestryLayer) GetFeatures() []NamespacedFeature {
|
|
nsf := make([]NamespacedFeature, 0, len(l.Features))
|
|
for _, f := range l.Features {
|
|
nsf = append(nsf, f.NamespacedFeature)
|
|
}
|
|
|
|
return nsf
|
|
}
|
|
|
|
// AncestryFeature is a namespaced feature with the detectors used to
|
|
// find this feature.
|
|
type AncestryFeature struct {
|
|
NamespacedFeature `json:"namespacedFeature"`
|
|
|
|
// FeatureBy is the detector that detected the feature.
|
|
FeatureBy Detector `json:"featureBy"`
|
|
// NamespaceBy is the detector that detected the namespace.
|
|
NamespaceBy Detector `json:"namespaceBy"`
|
|
}
|