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Merge pull request #113191 from saltbo/refa-remove-unused-ipconfig

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Remove the unused pkg/util/ipconfig
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Kubernetes Prow Robot 2022-10-23 19:22:25 -07:00 committed by GitHub
commit 36dd5f2846
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3 changed files with 0 additions and 148 deletions
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18
pkg/util/ipconfig/doc.go
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@ -1,18 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
// Package ipconfig provides an interface and implementations for running Windows ipconfig commands.
package ipconfig // import "k8s.io/kubernetes/pkg/util/ipconfig"

97
pkg/util/ipconfig/ipconfig.go
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/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package ipconfig
import (
"runtime"
"strings"
"k8s.io/klog/v2"
utilexec "k8s.io/utils/exec"
)
// Interface is an injectable interface for running ipconfig commands. Implementations must be goroutine-safe.
type Interface interface {
// GetDNSSuffixSearchList returns the list of DNS suffix to search
GetDNSSuffixSearchList() ([]string, error)
}
const (
cmdIpconfig string = "ipconfig"
cmdDefaultArgs string = "/all"
dnsSuffixSearchLisLabel string = "DNS Suffix Search List"
)
// runner implements Interface in terms of exec("ipconfig").
type runner struct {
exec utilexec.Interface
}
// New returns a new Interface which will exec ipconfig.
func New(exec utilexec.Interface) Interface {
runner := &runner{
exec: exec,
}
return runner
}
// GetDNSSuffixSearchList returns the list of DNS suffix to search
func (runner *runner) GetDNSSuffixSearchList() ([]string, error) {
// Parse the DNS suffix search list from ipconfig output
// ipconfig /all on Windows displays the entry of DNS suffix search list
// An example output contains:
//
// DNS Suffix Search List. . . . . . : example1.com
// example2.com
//
// TODO: this does not work when the label is localized
suffixList := []string{}
if runtime.GOOS != "windows" {
klog.V(1).Infof("ipconfig not supported on GOOS=%s", runtime.GOOS)
return suffixList, nil
}
out, err := runner.exec.Command(cmdIpconfig, cmdDefaultArgs).Output()
if err == nil {
lines := strings.Split(string(out), "\n")
for i, line := range lines {
if trimmed := strings.TrimSpace(line); strings.HasPrefix(trimmed, dnsSuffixSearchLisLabel) {
if parts := strings.Split(trimmed, ":"); len(parts) > 1 {
if trimmed := strings.TrimSpace(parts[1]); trimmed != "" {
suffixList = append(suffixList, strings.TrimSpace(parts[1]))
}
for j := i + 1; j < len(lines); j++ {
if trimmed := strings.TrimSpace(lines[j]); trimmed != "" && !strings.Contains(trimmed, ":") {
suffixList = append(suffixList, trimmed)
} else {
break
}
}
}
break
}
}
} else {
klog.V(1).Infof("Running %s %s failed: %v", cmdIpconfig, cmdDefaultArgs, err)
}
return suffixList, err
}

33
pkg/util/ipconfig/ipconfig_test.go
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@ -1,33 +0,0 @@
/*
Copyright 2016 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package ipconfig
import (
"testing"
"k8s.io/utils/exec"
)
func TestGetDNSSuffixSearchList(t *testing.T) {
// Simple test
ipconfigInterface := New(exec.New())
_, err := ipconfigInterface.GetDNSSuffixSearchList()
if err != nil {
t.Errorf("expected success, got %v", err)
}
}