github/kubernetes
1
0
Fork 0
mirror of https://github.com/k3s-io/kubernetes.git synced 2025-07-22 19:31:44 +00:00
Code Issues Projects Releases Wiki Activity

Merge pull request #105033 from calvin0327/pr-cleanup

Browse Source 
Structured log migration for pkg/util/netsh
This commit is contained in:
Kubernetes Prow Robot 2021-09-16 01:53:46 -07:00 committed by GitHub
commit bea2e462a5
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
pkg/util/netsh/netsh.go
View File

@ -66,7 +66,7 @@ func New(exec utilexec.Interface) Interface {
// EnsurePortProxyRule checks if the specified redirect exists, if not creates it.
func (runner *runner) EnsurePortProxyRule(args []string) (bool, error) {
klog.V(4).InfoS("running netsh interface portproxy add v4tov4", "args", args)
klog.V(4).InfoS("Running netsh interface portproxy add v4tov4", "arguments", args)
out, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
if err == nil {
@ -85,7 +85,7 @@ func (runner *runner) EnsurePortProxyRule(args []string) (bool, error) {
// DeletePortProxyRule deletes the specified portproxy rule. If the rule did not exist, return error.
func (runner *runner) DeletePortProxyRule(args []string) error {
klog.V(4).InfoS("running netsh interface portproxy delete v4tov4", "args", args)
klog.V(4).InfoS("Running netsh interface portproxy delete v4tov4", "arguments", args)
out, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
if err == nil {
@ -114,20 +114,20 @@ func (runner *runner) EnsureIPAddress(args []string, ip net.IP) (bool, error) {
exists, _ := checkIPExists(ipToCheck, argsShowAddress, runner)
if exists == true {
klog.V(4).InfoS("not adding IP address, as it already exists", "ipToCheck", ipToCheck)
klog.V(4).InfoS("Not adding IP address, as it already exists", "IP", ipToCheck)
return true, nil
}
// IP Address is not already added, add it now
klog.V(4).InfoS("running netsh interface ipv4 add address", "address", args)
klog.V(4).InfoS("Running netsh interface IPv4 add address", "IP", args)
out, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
if err == nil {
// Once the IP Address is added, it takes a bit to initialize and show up when querying for it
// Query all the IP addresses and see if the one we added is present
// PS: We are using netsh interface ipv4 show address here to query all the IP addresses, instead of
// PS: We are using netsh interface IPv4 show address here to query all the IP addresses, instead of
// querying net.InterfaceAddrs() as it returns the IP address as soon as it is added even though it is uninitialized
klog.V(3).InfoS("Waiting until IP is added to the network adapter", "ip", ipToCheck)
klog.V(3).InfoS("Waiting until IP is added to the network adapter", "IP", ipToCheck)
for {
if exists, _ := checkIPExists(ipToCheck, argsShowAddress, runner); exists {
return true, nil
@ -142,12 +142,12 @@ func (runner *runner) EnsureIPAddress(args []string, ip net.IP) (bool, error) {
return false, nil
}
}
return false, fmt.Errorf("error adding ipv4 address: %v: %s", err, out)
return false, fmt.Errorf("error adding IPv4 address: %v: %s", err, out)
}
// DeleteIPAddress checks if the specified IP address is present and, if so, deletes it.
func (runner *runner) DeleteIPAddress(args []string) error {
klog.V(4).InfoS("running netsh interface ipv4 delete address", "address", args)
klog.V(4).InfoS("Running netsh interface IPv4 delete address", "IP", args)
out, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
if err == nil {
@ -160,7 +160,7 @@ func (runner *runner) DeleteIPAddress(args []string) error {
return nil
}
}
return fmt.Errorf("error deleting ipv4 address: %v: %s", err, out)
return fmt.Errorf("error deleting IPv4 address: %v: %s", err, out)
}
// GetInterfaceToAddIP returns the interface name where Service IP needs to be added
@ -178,14 +178,14 @@ func (runner *runner) Restore(args []string) error {
return nil
}
// checkIPExists checks if an IP address exists in 'netsh interface ipv4 show address' output
// checkIPExists checks if an IP address exists in 'netsh interface IPv4 show address' output
func checkIPExists(ipToCheck string, args []string, runner *runner) (bool, error) {
ipAddress, err := runner.exec.Command(cmdNetsh, args...).CombinedOutput()
if err != nil {
return false, err
}
ipAddressString := string(ipAddress[:])
klog.V(3).InfoS("Searching for IP in IP dump", "ip", ipToCheck, "ipDump", ipAddressString)
klog.V(3).InfoS("Searching for IP in IP dump", "IP", ipToCheck, "IPDump", ipAddressString)
showAddressArray := strings.Split(ipAddressString, "\n")
for _, showAddress := range showAddressArray {
if strings.Contains(showAddress, "IP") {