71 lines
1.8 KiB
Go
71 lines
1.8 KiB
Go
/*
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Copyright 2024 SUSE.
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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 util implements etcd utility functions.
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package util
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import (
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"strings"
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"k8s.io/apimachinery/pkg/util/sets"
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"github.com/rancher/cluster-api-provider-rke2/pkg/etcd"
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)
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// NodeNameFromMember returns the node name from the etcd member name.
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func NodeNameFromMember(member *etcd.Member) string {
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memberName := member.Name
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lastIndex := strings.LastIndex(memberName, "-")
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if lastIndex != -1 {
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memberName = memberName[:lastIndex]
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}
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return memberName
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}
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// MemberForName returns the etcd member with the matching name.
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func MemberForName(members []*etcd.Member, name string) *etcd.Member {
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for _, m := range members {
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if strings.Contains(m.Name, name) {
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return m
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}
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}
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return nil
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}
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// MemberNames returns a list of all the etcd member names.
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func MemberNames(members []*etcd.Member) []string {
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names := make([]string, 0, len(members))
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for _, m := range members {
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names = append(names, m.Name)
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}
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return names
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}
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// MemberEqual returns true if the lists of members match.
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//
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// This function only checks that set of names of each member
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// within the lists is the same.
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func MemberEqual(members1, members2 []*etcd.Member) bool {
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names1 := sets.Set[string]{}.Insert(MemberNames(members1)...)
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names2 := sets.Set[string]{}.Insert(MemberNames(members2)...)
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return names1.Equal(names2)
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}
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