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76 lines
2.2 KiB
76 lines
2.2 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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)
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// SortOrder is an ordering of Kinds.
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type SortOrder []string
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// InstallOrder is the order in which manifests should be installed (by Kind)
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var InstallOrder SortOrder = []string{"Namespace", "Secret", "ConfigMap", "PersistentVolume", "ServiceAccount", "Service", "Pod", "ReplicationController", "Deployment", "DaemonSet", "Ingress", "Job"}
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// UninstallOrder is the order in which manifests should be uninstalled (by Kind)
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var UninstallOrder SortOrder = []string{"Service", "Pod", "ReplicationController", "Deployment", "DaemonSet", "ConfigMap", "Secret", "PersistentVolume", "ServiceAccount", "Ingress", "Job", "Namespace"}
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// sortByKind does an in-place sort of manifests by Kind.
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//
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// Results are sorted by 'ordering'
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func sortByKind(manifests []manifest, ordering SortOrder) []manifest {
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ks := newKindSorter(manifests, ordering)
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sort.Sort(ks)
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return ks.manifests
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}
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type kindSorter struct {
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ordering map[string]int
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manifests []manifest
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}
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func newKindSorter(m []manifest, s SortOrder) *kindSorter {
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o := make(map[string]int, len(s))
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for v, k := range s {
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o[k] = v
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}
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return &kindSorter{
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manifests: m,
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ordering: o,
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}
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}
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func (k *kindSorter) Len() int { return len(k.manifests) }
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func (k *kindSorter) Swap(i, j int) { k.manifests[i], k.manifests[j] = k.manifests[j], k.manifests[i] }
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func (k *kindSorter) Less(i, j int) bool {
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a := k.manifests[i]
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b := k.manifests[j]
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first, ok := k.ordering[a.head.Kind]
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if !ok {
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// Unknown is always last
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return false
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}
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second, ok := k.ordering[b.head.Kind]
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if !ok {
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return true
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}
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return first < second
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}
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