Bumping k8s dependencies to 1.13

vendor/golang.org/x/net/internal/socket/empty.s

@@ -0,0 +1,7 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build darwin,go1.12
+
+// This exists solely so we can linkname in symbols from syscall.

vendor/golang.org/x/net/internal/socket/sys_go1_11_darwin.go

@@ -0,0 +1,33 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build !go1.12
+
+package socket
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
+	l := uint32(len(b))
+	_, _, errno := syscall.Syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0)
+	return int(l), errnoErr(errno)
+}
+
+func setsockopt(s uintptr, level, name int, b []byte) error {
+	_, _, errno := syscall.Syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0)
+	return errnoErr(errno)
+}
+
+func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	n, _, errno := syscall.Syscall(syscall.SYS_RECVMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
+	return int(n), errnoErr(errno)
+}
+
+func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	n, _, errno := syscall.Syscall(syscall.SYS_SENDMSG, s, uintptr(unsafe.Pointer(h)), uintptr(flags))
+	return int(n), errnoErr(errno)
+}

vendor/golang.org/x/net/internal/socket/sys_go1_12_darwin.go

@@ -0,0 +1,42 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build go1.12
+
+package socket
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+//go:linkname syscall_getsockopt syscall.getsockopt
+func syscall_getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *uint32) error
+
+func getsockopt(s uintptr, level, name int, b []byte) (int, error) {
+	l := uint32(len(b))
+	err := syscall_getsockopt(int(s), level, name, unsafe.Pointer(&b[0]), &l)
+	return int(l), err
+}
+
+//go:linkname syscall_setsockopt syscall.setsockopt
+func syscall_setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) error
+
+func setsockopt(s uintptr, level, name int, b []byte) error {
+	return syscall_setsockopt(int(s), level, name, unsafe.Pointer(&b[0]), uintptr(len(b)))
+}
+
+//go:linkname syscall_recvmsg syscall.recvmsg
+func syscall_recvmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)
+
+func recvmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	return syscall_recvmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
+}
+
+//go:linkname syscall_sendmsg syscall.sendmsg
+func syscall_sendmsg(s int, msg *syscall.Msghdr, flags int) (n int, err error)
+
+func sendmsg(s uintptr, h *msghdr, flags int) (int, error) {
+	return syscall_sendmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags)
+}

vendor/golang.org/x/net/internal/socket/sys_posix.go

@@ -121,18 +121,21 @@ var zoneCache = ipv6ZoneCache{
 	toName:  make(map[int]string),
 }
 
-func (zc *ipv6ZoneCache) update(ift []net.Interface) {
+// update refreshes the network interface information if the cache was last
+// updated more than 1 minute ago, or if force is set. It returns whether the
+// cache was updated.
+func (zc *ipv6ZoneCache) update(ift []net.Interface, force bool) (updated bool) {
 	zc.Lock()
 	defer zc.Unlock()
 	now := time.Now()
-	if zc.lastFetched.After(now.Add(-60 * time.Second)) {
-		return
+	if !force && zc.lastFetched.After(now.Add(-60*time.Second)) {
+		return false
 	}
 	zc.lastFetched = now
 	if len(ift) == 0 {
 		var err error
 		if ift, err = net.Interfaces(); err != nil {
-			return
+			return false
 		}
 	}
 	zc.toIndex = make(map[string]int, len(ift))
@@ -143,25 +146,38 @@ func (zc *ipv6ZoneCache) update(ift []net.Interface) {
 			zc.toName[ifi.Index] = ifi.Name
 		}
 	}
+	return true
 }
 
 func (zc *ipv6ZoneCache) name(zone int) string {
-	zoneCache.update(nil)
+	updated := zoneCache.update(nil, false)
 	zoneCache.RLock()
-	defer zoneCache.RUnlock()
 	name, ok := zoneCache.toName[zone]
-	if !ok {
+	zoneCache.RUnlock()
+	if !ok && !updated {
+		zoneCache.update(nil, true)
+		zoneCache.RLock()
+		name, ok = zoneCache.toName[zone]
+		zoneCache.RUnlock()
+	}
+	if !ok { // last resort
 		name = strconv.Itoa(zone)
 	}
 	return name
 }
 
 func (zc *ipv6ZoneCache) index(zone string) int {
-	zoneCache.update(nil)
+	updated := zoneCache.update(nil, false)
 	zoneCache.RLock()
-	defer zoneCache.RUnlock()
 	index, ok := zoneCache.toIndex[zone]
-	if !ok {
+	zoneCache.RUnlock()
+	if !ok && !updated {
+		zoneCache.update(nil, true)
+		zoneCache.RLock()
+		index, ok = zoneCache.toIndex[zone]
+		zoneCache.RUnlock()
+	}
+	if !ok { // last resort
 		index, _ = strconv.Atoi(zone)
 	}
 	return index

vendor/golang.org/x/net/internal/socket/sys_unix.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-// +build darwin dragonfly freebsd linux,!s390x,!386 netbsd openbsd
+// +build dragonfly freebsd linux,!s390x,!386 netbsd openbsd
 
 package socket
 

vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go

@@ -26,6 +26,11 @@ type msghdr struct {
 	Flags      int32
 }
 
+type mmsghdr struct {
+	Hdr msghdr
+	Len uint32
+}
+
 type cmsghdr struct {
 	Len   uint32
 	Level int32
@@ -52,6 +57,7 @@ type sockaddrInet6 struct {
 const (
 	sizeofIovec   = 0x8
 	sizeofMsghdr  = 0x1c
+	sizeofMmsghdr = 0x20
 	sizeofCmsghdr = 0xc
 
 	sizeofSockaddrInet  = 0x10