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/*
Copyright The Helm 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 statuscheck // import "helm.sh/helm/v3/pkg/kube"
import "k8s.io/cli-runtime/pkg/resource"
// ResourceList provides convenience methods for comparing collections of Infos.
type ResourceList []*resource.Info
// Append adds an Info to the Result.
func (r *ResourceList) Append(val *resource.Info) {
*r = append(*r, val)
}
// Visit implements resource.Visitor.
func (r ResourceList) Visit(fn resource.VisitorFunc) error {
for _, i := range r {
if err := fn(i, nil); err != nil {
return err
}
}
return nil
}
// Filter returns a new Result with Infos that satisfy the predicate fn.
func (r ResourceList) Filter(fn func(*resource.Info) bool) ResourceList {
var result ResourceList
for _, i := range r {
if fn(i) {
result.Append(i)
}
}
return result
}
// Get returns the Info from the result that matches the name and kind.
func (r ResourceList) Get(info *resource.Info) *resource.Info {
for _, i := range r {
if isMatchingInfo(i, info) {
return i
}
}
return nil
}
// Contains checks to see if an object exists.
func (r ResourceList) Contains(info *resource.Info) bool {
for _, i := range r {
if isMatchingInfo(i, info) {
return true
}
}
return false
}
// Difference will return a new Result with objects not contained in rs.
func (r ResourceList) Difference(rs ResourceList) ResourceList {
return r.Filter(func(info *resource.Info) bool {
return !rs.Contains(info)
})
}
// Intersect will return a new Result with objects contained in both Results.
func (r ResourceList) Intersect(rs ResourceList) ResourceList {
return r.Filter(rs.Contains)
}
// isMatchingInfo returns true if infos match on Name and GroupVersionKind.
func isMatchingInfo(a, b *resource.Info) bool {
return a.Name == b.Name && a.Namespace == b.Namespace && a.Mapping.GroupVersionKind.Kind == b.Mapping.GroupVersionKind.Kind
}
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