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101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
/*
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Copyright The Helm Authors.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package releaseutil // import "k8s.io/helm/pkg/releaseutil"
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import (
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"sort"
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rspb "k8s.io/helm/pkg/proto/hapi/release"
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)
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type sorter struct {
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list []*rspb.Release
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less func(int, int) bool
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}
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func (s *sorter) Len() int { return len(s.list) }
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func (s *sorter) Less(i, j int) bool { return s.less(i, j) }
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func (s *sorter) Swap(i, j int) { s.list[i], s.list[j] = s.list[j], s.list[i] }
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// Reverse reverses the list of releases sorted by the sort func.
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func Reverse(list []*rspb.Release, sortFn func([]*rspb.Release)) {
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sortFn(list)
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for i, j := 0, len(list)-1; i < j; i, j = i+1, j-1 {
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list[i], list[j] = list[j], list[i]
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}
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}
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// SortByName returns the list of releases sorted
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// in lexicographical order.
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func SortByName(list []*rspb.Release) {
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s := &sorter{list: list}
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s.less = func(i, j int) bool {
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ni := s.list[i].Name
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nj := s.list[j].Name
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return ni < nj
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}
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sort.Sort(s)
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}
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// SortByDate returns the list of releases sorted by a
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// release's last deployed time (in seconds).
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func SortByDate(list []*rspb.Release) {
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s := &sorter{list: list}
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s.less = func(i, j int) bool {
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ti := s.list[i].Info.LastDeployed.Seconds
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tj := s.list[j].Info.LastDeployed.Seconds
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return ti < tj
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}
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sort.Sort(s)
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}
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// SortByRevision returns the list of releases sorted by a
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// release's revision number (release.Version).
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func SortByRevision(list []*rspb.Release) {
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s := &sorter{list: list}
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s.less = func(i, j int) bool {
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vi := s.list[i].Version
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vj := s.list[j].Version
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return vi < vj
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}
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sort.Sort(s)
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}
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// SortByChartName sorts the list of releases by a
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// release's chart name in lexicographical order.
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func SortByChartName(list []*rspb.Release) {
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s := &sorter{list: list}
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s.less = func(i, j int) bool {
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chi := s.list[i].Chart
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chj := s.list[j].Chart
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ni := ""
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if chi != nil && chi.Metadata != nil {
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ni = chi.Metadata.Name
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}
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nj := ""
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if chj != nil && chj.Metadata != nil {
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nj = chj.Metadata.Name
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}
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return ni < nj
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}
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sort.Sort(s)
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}
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