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https://github.com/etcd-io/etcd.git
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c4899c201e
Based on code from discovery/srv.go. The returns the target as DNS returns it. In the case of SSL, certs are tied to the hostname and not the IP address generally. Solves #2547
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright 2015 CoreOS, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package client
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import (
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"errors"
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"net"
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"reflect"
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"testing"
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)
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func TestSRVDiscover(t *testing.T) {
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defer func() { lookupSRV = net.LookupSRV }()
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tests := []struct {
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withSSL []*net.SRV
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withoutSSL []*net.SRV
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expected []string
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}{
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{
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[]*net.SRV{},
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[]*net.SRV{},
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[]string{},
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},
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{
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[]*net.SRV{
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&net.SRV{Target: "10.0.0.1", Port: 2480},
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&net.SRV{Target: "10.0.0.2", Port: 2480},
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&net.SRV{Target: "10.0.0.3", Port: 2480},
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},
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[]*net.SRV{},
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[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480"},
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},
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{
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[]*net.SRV{
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&net.SRV{Target: "10.0.0.1", Port: 2480},
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&net.SRV{Target: "10.0.0.2", Port: 2480},
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&net.SRV{Target: "10.0.0.3", Port: 2480},
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},
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[]*net.SRV{
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&net.SRV{Target: "10.0.0.1", Port: 7001},
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},
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[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480", "http://10.0.0.1:7001"},
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},
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{
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[]*net.SRV{
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&net.SRV{Target: "10.0.0.1", Port: 2480},
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&net.SRV{Target: "10.0.0.2", Port: 2480},
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&net.SRV{Target: "10.0.0.3", Port: 2480},
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},
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[]*net.SRV{
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&net.SRV{Target: "10.0.0.1", Port: 7001},
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},
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[]string{"https://10.0.0.1:2480", "https://10.0.0.2:2480", "https://10.0.0.3:2480", "http://10.0.0.1:7001"},
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},
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{
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[]*net.SRV{
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&net.SRV{Target: "a.example.com", Port: 2480},
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&net.SRV{Target: "b.example.com", Port: 2480},
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&net.SRV{Target: "c.example.com", Port: 2480},
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},
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[]*net.SRV{},
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[]string{"https://a.example.com:2480", "https://b.example.com:2480", "https://c.example.com:2480"},
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},
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}
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for i, tt := range tests {
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lookupSRV = func(service string, proto string, domain string) (string, []*net.SRV, error) {
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if service == "etcd-server-ssl" {
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return "", tt.withSSL, nil
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}
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if service == "etcd-server" {
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return "", tt.withoutSSL, nil
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}
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return "", nil, errors.New("Unkown service in mock")
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}
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d := NewSRVDiscover()
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endpoints, err := d.Discover("example.com")
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if err != nil {
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t.Fatalf("%d: err: %#v", i, err)
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}
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if !reflect.DeepEqual(endpoints, tt.expected) {
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t.Errorf("#%d: endpoints = %v, want %v", i, endpoints, tt.expected)
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}
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}
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}
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