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/
discovery.go
49 lines (43 loc) · 1.62 KB
/
discovery.go
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// Copyright 2018 The ksonnet 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 cluster
import (
"sort"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime/schema"
)
// sortResources sources resources by moving extensions to the end of the slice. The order of all
// the other resources is preserved.
func sortResources(resources []*metav1.APIResourceList) {
sort.SliceStable(resources, func(i, j int) bool {
left := resources[i]
leftGV, _ := schema.ParseGroupVersion(left.GroupVersion)
// not checking error because it should be impossible to fail to parse data coming from the
// apiserver
if leftGV.Group == "extensions" {
// always sort extensions at the bottom by saying left is "greater"
return false
}
right := resources[j]
rightGV, _ := schema.ParseGroupVersion(right.GroupVersion)
// not checking error because it should be impossible to fail to parse data coming from the
// apiserver
if rightGV.Group == "extensions" {
// always sort extensions at the bottom by saying left is "less"
return true
}
return i < j
})
}