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Merge pull request #52976 from sakeven/fix/netsh_checkIPExists

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Automatic merge from submit-queue (batch tested with PRs 55114, 52976, 54871, 55122, 55140). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Fix netsh checkIPExists in Chinese

Signed-off-by: sakeven <jc5930@sina.cn>



**What this PR does / why we need it**:
On Windows in Chinese language, kube-proxy ip dump outputs like this:

```
接口 "vEthernet (KubeProxySwitch)" 的配置
    DHCP 已启用:                          否
    IP 地址:                           10.96.0.2
    子网前缀:                        10.0.0.0/8 (掩码 255.0.0.0)
    IP 地址:                           10.99.233.195
    子网前缀:                        10.0.0.0/8 (掩码 255.0.0.0)
    IP 地址:                           10.109.68.207
    子网前缀:                        10.0.0.0/8 (掩码 255.0.0.0)
    IP 地址:                           10.110.60.68
    子网前缀:                        10.0.0.0/8 (掩码 255.0.0.0)
    IP 地址:                           10.110.252.225
    子网前缀:                        10.0.0.0/8 (掩码 255.0.0.0)
    InterfaceMetric:                      15
```

And here we used ''IP Address:" in English to search IP, so it would never succeed even if ip address was right here. ''IP Address:" in Chinese is "IP 地址: "。

**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```
NONE
```
This commit is contained in:
Kubernetes Submit Queue 2017-11-06 23:19:15 -08:00 committed by GitHub
commit b4b851cb0e
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2 changed files with 38 additions and 3 deletions
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14
pkg/util/netsh/netsh.go
View File

@ -190,9 +190,8 @@ func checkIPExists(ipToCheck string, args []string, runner *runner) (bool, error
glog.V(3).Infof("Searching for IP: %v in IP dump: %v", ipToCheck, ipAddressString)
showAddressArray := strings.Split(ipAddressString, "\n")
for _, showAddress := range showAddressArray {
if strings.Contains(showAddress, "IP Address:") {
ipFromNetsh := strings.TrimLeft(showAddress, "IP Address:")
ipFromNetsh = strings.TrimSpace(ipFromNetsh)
if strings.Contains(showAddress, "IP") {
ipFromNetsh := getIP(showAddress)
if ipFromNetsh == ipToCheck {
return true, nil
}
@ -201,3 +200,12 @@ func checkIPExists(ipToCheck string, args []string, runner *runner) (bool, error
return false, nil
}
// getIP gets ip from showAddress (e.g. "IP Address: 10.96.0.4").
func getIP(showAddress string) string {
list := strings.SplitN(showAddress, ":", 2)
if len(list) != 2 {
return ""
}
return strings.TrimSpace(list[1])
}

27
pkg/util/netsh/netsh_test.go
View File

@ -438,3 +438,30 @@ func TestCheckIPExists(t *testing.T) {
}
}
}
func TestGetIP(t *testing.T) {
testcases := []struct {
showAddress string
expectAddress string
}{
{
showAddress: "IP 地址: 10.96.0.2",
expectAddress: "10.96.0.2",
},
{
showAddress: "IP Address: 10.96.0.3",
expectAddress: "10.96.0.3",
},
{
showAddress: "IP Address:10.96.0.4",
expectAddress: "10.96.0.4",
},
}
for _, tc := range testcases {
address := getIP(tc.showAddress)
if address != tc.expectAddress {
t.Errorf("expected address=%q, got %q", tc.expectAddress, address)
}
}
}