mirror of https://github.com/k3s-io/k3s
102 lines
2.9 KiB
Go
102 lines
2.9 KiB
Go
/*
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Copyright 2018 The Kubernetes Authors.
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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 certificate
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import (
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"net"
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"reflect"
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"testing"
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"k8s.io/api/core/v1"
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)
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func TestAddressesToHostnamesAndIPs(t *testing.T) {
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tests := []struct {
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name string
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addresses []v1.NodeAddress
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wantDNSNames []string
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wantIPs []net.IP
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}{
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{
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name: "empty",
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addresses: nil,
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wantDNSNames: nil,
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wantIPs: nil,
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},
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{
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name: "ignore empty values",
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addresses: []v1.NodeAddress{{Type: v1.NodeHostName, Address: ""}},
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wantDNSNames: nil,
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wantIPs: nil,
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},
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{
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name: "ignore invalid IPs",
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addresses: []v1.NodeAddress{
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{Type: v1.NodeInternalIP, Address: "1.2"},
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{Type: v1.NodeExternalIP, Address: "3.4"},
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},
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wantDNSNames: nil,
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wantIPs: nil,
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},
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{
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name: "dedupe values",
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addresses: []v1.NodeAddress{
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{Type: v1.NodeHostName, Address: "hostname"},
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{Type: v1.NodeExternalDNS, Address: "hostname"},
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{Type: v1.NodeInternalDNS, Address: "hostname"},
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{Type: v1.NodeInternalIP, Address: "1.1.1.1"},
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{Type: v1.NodeExternalIP, Address: "1.1.1.1"},
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},
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wantDNSNames: []string{"hostname"},
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wantIPs: []net.IP{net.ParseIP("1.1.1.1")},
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},
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{
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name: "order values",
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addresses: []v1.NodeAddress{
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{Type: v1.NodeHostName, Address: "hostname-2"},
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{Type: v1.NodeExternalDNS, Address: "hostname-1"},
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{Type: v1.NodeInternalDNS, Address: "hostname-3"},
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{Type: v1.NodeInternalIP, Address: "2.2.2.2"},
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{Type: v1.NodeExternalIP, Address: "1.1.1.1"},
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{Type: v1.NodeInternalIP, Address: "3.3.3.3"},
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},
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wantDNSNames: []string{"hostname-1", "hostname-2", "hostname-3"},
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wantIPs: []net.IP{net.ParseIP("1.1.1.1"), net.ParseIP("2.2.2.2"), net.ParseIP("3.3.3.3")},
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},
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{
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name: "handle IP and DNS hostnames",
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addresses: []v1.NodeAddress{
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{Type: v1.NodeHostName, Address: "hostname"},
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{Type: v1.NodeHostName, Address: "1.1.1.1"},
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},
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wantDNSNames: []string{"hostname"},
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wantIPs: []net.IP{net.ParseIP("1.1.1.1")},
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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gotDNSNames, gotIPs := addressesToHostnamesAndIPs(tt.addresses)
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if !reflect.DeepEqual(gotDNSNames, tt.wantDNSNames) {
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t.Errorf("addressesToHostnamesAndIPs() gotDNSNames = %v, want %v", gotDNSNames, tt.wantDNSNames)
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}
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if !reflect.DeepEqual(gotIPs, tt.wantIPs) {
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t.Errorf("addressesToHostnamesAndIPs() gotIPs = %v, want %v", gotIPs, tt.wantIPs)
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}
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})
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}
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}
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