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59 lines
1.5 KiB
59 lines
1.5 KiB
8 years ago
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/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 main
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import (
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"sort"
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"golang.org/x/net/context"
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rpb "k8s.io/helm/pkg/proto/hapi/release"
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tpb "k8s.io/helm/pkg/proto/hapi/services"
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)
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func (s *releaseServer) GetHistory(ctx context.Context, req *tpb.GetHistoryRequest) (*tpb.GetHistoryResponse, error) {
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if !checkClientVersion(ctx) {
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return nil, errIncompatibleVersion
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}
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h, err := s.env.Releases.History(req.Name)
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if err != nil {
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return nil, err
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}
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sort.Sort(sort.Reverse(byRev(h)))
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var resp tpb.GetHistoryResponse
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for i := 0; i < min(len(h), int(req.Max)); i++ {
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resp.Releases = append(resp.Releases, h[i])
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}
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return &resp, nil
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}
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type byRev []*rpb.Release
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func (s byRev) Len() int { return len(s) }
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func (s byRev) Swap(i, j int) { s[i], s[j] = s[j], s[i] }
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func (s byRev) Less(i, j int) bool { return s[i].Version < s[j].Version }
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func min(x, y int) int {
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if x < y {
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return x
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}
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return y
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}
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