github.com/sgoings/helm@v2.0.0-alpha.2.0.20170406211108-734e92851ac3+incompatible/pkg/tiller/kind_sorter.go (about) 1 /* 2 Copyright 2016 The Kubernetes Authors All rights reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package tiller 18 19 import ( 20 "sort" 21 ) 22 23 // SortOrder is an ordering of Kinds. 24 type SortOrder []string 25 26 // InstallOrder is the order in which manifests should be installed (by Kind). 27 // 28 // Those occurring earlier in the list get installed before those occurring later in the list. 29 var InstallOrder SortOrder = []string{ 30 "Namespace", 31 "ResourceQuota", 32 "LimitRange", 33 "Secret", 34 "ConfigMap", 35 "PersistentVolume", 36 "PersistentVolumeClaim", 37 "ServiceAccount", 38 "ClusterRole", 39 "ClusterRoleBinding", 40 "Role", 41 "RoleBinding", 42 "Service", 43 "DaemonSet", 44 "Pod", 45 "ReplicationController", 46 "ReplicaSet", 47 "Deployment", 48 "StatefulSet", 49 "Job", 50 "CronJob", 51 "Ingress", 52 } 53 54 // UninstallOrder is the order in which manifests should be uninstalled (by Kind). 55 // 56 // Those occurring earlier in the list get uninstalled before those occurring later in the list. 57 var UninstallOrder SortOrder = []string{ 58 "Ingress", 59 "Service", 60 "CronJob", 61 "Job", 62 "StatefulSet", 63 "Deployment", 64 "ReplicaSet", 65 "ReplicationController", 66 "Pod", 67 "DaemonSet", 68 "RoleBinding", 69 "Role", 70 "ClusterRoleBinding", 71 "ClusterRole", 72 "ServiceAccount", 73 "PersistentVolumeClaim", 74 "PersistentVolume", 75 "ConfigMap", 76 "Secret", 77 "LimitRange", 78 "ResourceQuota", 79 "Namespace", 80 } 81 82 // sortByKind does an in-place sort of manifests by Kind. 83 // 84 // Results are sorted by 'ordering' 85 func sortByKind(manifests []manifest, ordering SortOrder) []manifest { 86 ks := newKindSorter(manifests, ordering) 87 sort.Sort(ks) 88 return ks.manifests 89 } 90 91 type kindSorter struct { 92 ordering map[string]int 93 manifests []manifest 94 } 95 96 func newKindSorter(m []manifest, s SortOrder) *kindSorter { 97 o := make(map[string]int, len(s)) 98 for v, k := range s { 99 o[k] = v 100 } 101 102 return &kindSorter{ 103 manifests: m, 104 ordering: o, 105 } 106 } 107 108 func (k *kindSorter) Len() int { return len(k.manifests) } 109 110 func (k *kindSorter) Swap(i, j int) { k.manifests[i], k.manifests[j] = k.manifests[j], k.manifests[i] } 111 112 func (k *kindSorter) Less(i, j int) bool { 113 a := k.manifests[i] 114 b := k.manifests[j] 115 first, ok := k.ordering[a.head.Kind] 116 if !ok { 117 // Unknown is always last 118 return false 119 } 120 second, ok := k.ordering[b.head.Kind] 121 if !ok { 122 return true 123 } 124 return first < second 125 }