Merge pull request #57429 from m1093782566/syscall-unix

Automatic merge from submit-queue (batch tested with PRs 57292, 56274, 57435, 57438, 57429). 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>. replace syscall with sys/unix pkg in ipvs/netlink call **What this PR does / why we need it**: This PR replaces syscall with sys/unix pkg in ipvs/netlink call as the Go doc for syscall says: NOTE: This package is locked down. Code outside the standard Go repository should be migrated to use the corresponding package in the golang.org/x/sys repository. That is also where updates required by new systems or versions should be applied. See https://golang.org/s/go1.4-syscall for more information. **Which issue(s) this PR fixes**: Fixes #57430 **Special notes for your reviewer**: **Release note**: ```release-note NONE ``` /assign @thockin @brendandburns

Merge pull request #57429 from m1093782566/syscall-unix
263fa785 · Kubernetes Submit Queue · GitHub · 070f9464 · c26912cd · 263fa785
Unverified Commit 263fa785 authored Dec 20, 2017 by Kubernetes Submit Queue Committed by GitHub Dec 20, 2017
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Showing with 6 additions and 11 deletions

BUILD pkg/proxy/ipvs/BUILD +1 -0

netlink_linux.go pkg/proxy/ipvs/netlink_linux.go +5 -11

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--- a/pkg/proxy/ipvs/BUILD
+++ b/pkg/proxy/ipvs/BUILD
@@ -75,6 +75,7 @@ go_library(
    ] + select({
        "@io_bazel_rules_go//go/platform:linux_amd64": [
            "//vendor/github.com/vishvananda/netlink:go_default_library",
+            "//vendor/golang.org/x/sys/unix:go_default_library",
        ],
        "//conditions:default": [],
    }),

--- a/pkg/proxy/ipvs/netlink_linux.go
+++ b/pkg/proxy/ipvs/netlink_linux.go
@@ -21,17 +21,11 @@ package ipvs
 import (
 	"fmt"
 	"net"
-	"syscall"
-	// TODO: replace syscall with golang.org/x/sys/unix?
-	// The Go doc for syscall says:
-	// NOTE: This package is locked down.
-	// Code outside the standard Go repository should be migrated to use the corresponding package in the golang.org/x/sys repository.
-	// That is also where updates required by new systems or versions should be applied.
-	// See https://golang.org/s/go1.4-syscall for more information.
 	"k8s.io/apimachinery/pkg/util/sets"
 	"github.com/vishvananda/netlink"
+	"golang.org/x/sys/unix"
 )
 type netlinkHandle struct {
@@ -55,7 +49,7 @@ func (h *netlinkHandle) EnsureAddressBind(address, devName string) (exist bool, 
 	}
 	if err := h.AddrAdd(dev, &netlink.Addr{IPNet: netlink.NewIPNet(addr)}); err != nil {
 		// "EEXIST" will be returned if the address is already bound to device
-		if err == syscall.Errno(syscall.EEXIST) {
+		if err == unix.EEXIST {
 			return true, nil
 		}
 		return false, fmt.Errorf("error bind address: %s to interface: %s, err: %v", address, devName, err)
@@ -136,9 +130,9 @@ func (h *netlinkHandle) GetLocalAddresses(filterDev string) (sets.String, error)
 	}
 	routeFilter := &netlink.Route{
-		Table:    syscall.RT_TABLE_LOCAL,
+		Table:    unix.RT_TABLE_LOCAL,
-		Type:     syscall.RTN_LOCAL,
+		Type:     unix.RTN_LOCAL,
-		Protocol: syscall.RTPROT_KERNEL,
+		Protocol: unix.RTPROT_KERNEL,
 	}
 	filterMask := netlink.RT_FILTER_TABLE | netlink.RT_FILTER_TYPE | netlink.RT_FILTER_PROTOCOL