mirror of
https://github.com/moby/moby.git
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Use vendored ipvs package
The ipvs package was moved to a separate repo. The ipvs package is a fairly generic set of helpers for managing IPVS. The ipvs package is used by docker swarm and kubernetes. Because we want to merge libnetwork back into the moby/moby codebase while also not creating more dependencies for other projects on moby/moby itself, it was decided that the best path for ipvs is to live on it's own since there are no other ties to libnetwork. Ref: https://github.com/moby/libnetwork/issues/2522 Signed-off-by: Brian Goff <cpuguy83@gmail.com>
This commit is contained in:
Brian Goff
parent
c485bbf754
commit
a533fe7094
9 changed files with 218 additions and 386 deletions
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@ -1,385 +0,0 @@
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// +build linux
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package ipvs
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import (
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"net"
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"testing"
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"time"
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"github.com/docker/libnetwork/testutils"
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"github.com/vishvananda/netlink"
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"github.com/vishvananda/netlink/nl"
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"golang.org/x/sys/unix"
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"gotest.tools/assert"
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is "gotest.tools/assert/cmp"
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)
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var (
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schedMethods = []string{
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RoundRobin,
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LeastConnection,
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DestinationHashing,
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SourceHashing,
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WeightedLeastConnection,
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WeightedRoundRobin,
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}
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protocols = []string{
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"TCP",
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"UDP",
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"FWM",
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}
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fwdMethods = []uint32{
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ConnectionFlagMasq,
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ConnectionFlagTunnel,
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ConnectionFlagDirectRoute,
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}
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fwdMethodStrings = []string{
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"Masq",
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"Tunnel",
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"Route",
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}
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)
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func lookupFwMethod(fwMethod uint32) string {
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switch fwMethod {
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case ConnectionFlagMasq:
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return fwdMethodStrings[0]
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case ConnectionFlagTunnel:
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return fwdMethodStrings[1]
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case ConnectionFlagDirectRoute:
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return fwdMethodStrings[2]
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}
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return ""
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}
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func checkDestination(t *testing.T, i *Handle, s *Service, d *Destination, checkPresent bool) {
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var dstFound bool
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dstArray, err := i.GetDestinations(s)
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assert.NilError(t, err)
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for _, dst := range dstArray {
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if dst.Address.Equal(d.Address) && dst.Port == d.Port && lookupFwMethod(dst.ConnectionFlags) == lookupFwMethod(d.ConnectionFlags) {
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dstFound = true
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break
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}
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}
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switch checkPresent {
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case true: //The test expects the service to be present
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if !dstFound {
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t.Fatalf("Did not find the service %s in ipvs output", d.Address.String())
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}
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case false: //The test expects that the service should not be present
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if dstFound {
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t.Fatalf("Did not find the destination %s fwdMethod %s in ipvs output", d.Address.String(), lookupFwMethod(d.ConnectionFlags))
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}
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}
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}
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func checkService(t *testing.T, i *Handle, s *Service, checkPresent bool) {
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svcArray, err := i.GetServices()
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assert.NilError(t, err)
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var svcFound bool
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for _, svc := range svcArray {
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if svc.Protocol == s.Protocol && svc.Address.String() == s.Address.String() && svc.Port == s.Port {
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svcFound = true
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break
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}
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}
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switch checkPresent {
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case true: //The test expects the service to be present
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if !svcFound {
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t.Fatalf("Did not find the service %s in ipvs output", s.Address.String())
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}
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case false: //The test expects that the service should not be present
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if svcFound {
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t.Fatalf("Did not expect the service %s in ipvs output", s.Address.String())
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}
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}
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}
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func TestGetFamily(t *testing.T) {
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if testutils.RunningOnCircleCI() {
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t.Skip("Skipping as not supported on CIRCLE CI kernel")
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}
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id, err := getIPVSFamily()
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assert.NilError(t, err)
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assert.Check(t, 0 != id)
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}
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func TestService(t *testing.T) {
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if testutils.RunningOnCircleCI() {
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t.Skip("Skipping as not supported on CIRCLE CI kernel")
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}
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defer testutils.SetupTestOSContext(t)()
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i, err := New("")
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assert.NilError(t, err)
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for _, protocol := range protocols {
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for _, schedMethod := range schedMethods {
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testDatas := []struct {
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AddressFamily uint16
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IP string
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Netmask uint32
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}{
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{
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AddressFamily: nl.FAMILY_V4,
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IP: "1.2.3.4",
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Netmask: 0xFFFFFFFF,
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}, {
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AddressFamily: nl.FAMILY_V6,
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IP: "2001:db8:3c4d:15::1a00",
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Netmask: 128,
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},
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}
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for _, td := range testDatas {
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s := Service{
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AddressFamily: td.AddressFamily,
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SchedName: schedMethod,
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}
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switch protocol {
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case "FWM":
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s.FWMark = 1234
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s.Netmask = td.Netmask
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case "TCP":
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s.Protocol = unix.IPPROTO_TCP
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s.Port = 80
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s.Address = net.ParseIP(td.IP)
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s.Netmask = td.Netmask
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case "UDP":
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s.Protocol = unix.IPPROTO_UDP
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s.Port = 53
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s.Address = net.ParseIP(td.IP)
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s.Netmask = td.Netmask
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}
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err := i.NewService(&s)
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assert.NilError(t, err)
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checkService(t, i, &s, true)
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for _, updateSchedMethod := range schedMethods {
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if updateSchedMethod == schedMethod {
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continue
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}
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s.SchedName = updateSchedMethod
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err = i.UpdateService(&s)
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assert.NilError(t, err)
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checkService(t, i, &s, true)
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scopy, err := i.GetService(&s)
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assert.NilError(t, err)
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assert.Check(t, is.Equal((*scopy).Address.String(), s.Address.String()))
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assert.Check(t, is.Equal((*scopy).Port, s.Port))
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assert.Check(t, is.Equal((*scopy).Protocol, s.Protocol))
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}
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err = i.DelService(&s)
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assert.NilError(t, err)
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checkService(t, i, &s, false)
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}
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}
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}
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svcs := []Service{
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{
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AddressFamily: nl.FAMILY_V4,
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SchedName: RoundRobin,
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Protocol: unix.IPPROTO_TCP,
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Port: 80,
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Address: net.ParseIP("10.20.30.40"),
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Netmask: 0xFFFFFFFF,
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},
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{
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AddressFamily: nl.FAMILY_V4,
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SchedName: LeastConnection,
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Protocol: unix.IPPROTO_UDP,
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Port: 8080,
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Address: net.ParseIP("10.20.30.41"),
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Netmask: 0xFFFFFFFF,
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},
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}
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// Create services for testing flush
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for _, svc := range svcs {
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if !i.IsServicePresent(&svc) {
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err = i.NewService(&svc)
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assert.NilError(t, err)
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checkService(t, i, &svc, true)
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} else {
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t.Errorf("svc: %v exists", svc)
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}
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}
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err = i.Flush()
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assert.NilError(t, err)
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got, err := i.GetServices()
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assert.NilError(t, err)
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if len(got) != 0 {
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t.Errorf("Unexpected services after flush")
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}
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}
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func createDummyInterface(t *testing.T) {
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if testutils.RunningOnCircleCI() {
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t.Skip("Skipping as not supported on CIRCLE CI kernel")
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}
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dummy := &netlink.Dummy{
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LinkAttrs: netlink.LinkAttrs{
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Name: "dummy",
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},
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}
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err := netlink.LinkAdd(dummy)
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assert.NilError(t, err)
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dummyLink, err := netlink.LinkByName("dummy")
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assert.NilError(t, err)
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ip, ipNet, err := net.ParseCIDR("10.1.1.1/24")
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assert.NilError(t, err)
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ipNet.IP = ip
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ipAddr := &netlink.Addr{IPNet: ipNet, Label: ""}
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err = netlink.AddrAdd(dummyLink, ipAddr)
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assert.NilError(t, err)
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}
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func TestDestination(t *testing.T) {
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defer testutils.SetupTestOSContext(t)()
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createDummyInterface(t)
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i, err := New("")
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assert.NilError(t, err)
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for _, protocol := range protocols {
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testDatas := []struct {
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AddressFamily uint16
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IP string
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Netmask uint32
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Destinations []string
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}{
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{
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AddressFamily: nl.FAMILY_V4,
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IP: "1.2.3.4",
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Netmask: 0xFFFFFFFF,
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Destinations: []string{"10.1.1.2", "10.1.1.3", "10.1.1.4"},
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}, {
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AddressFamily: nl.FAMILY_V6,
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IP: "2001:db8:3c4d:15::1a00",
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Netmask: 128,
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Destinations: []string{"2001:db8:3c4d:15::1a2b", "2001:db8:3c4d:15::1a2c", "2001:db8:3c4d:15::1a2d"},
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},
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}
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for _, td := range testDatas {
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s := Service{
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AddressFamily: td.AddressFamily,
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SchedName: RoundRobin,
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}
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switch protocol {
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case "FWM":
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s.FWMark = 1234
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s.Netmask = td.Netmask
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case "TCP":
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s.Protocol = unix.IPPROTO_TCP
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s.Port = 80
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s.Address = net.ParseIP(td.IP)
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s.Netmask = td.Netmask
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case "UDP":
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s.Protocol = unix.IPPROTO_UDP
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s.Port = 53
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s.Address = net.ParseIP(td.IP)
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s.Netmask = td.Netmask
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}
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err := i.NewService(&s)
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assert.NilError(t, err)
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checkService(t, i, &s, true)
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s.SchedName = ""
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for _, fwdMethod := range fwdMethods {
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destinations := make([]Destination, 0)
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for _, ip := range td.Destinations {
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d := Destination{
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AddressFamily: td.AddressFamily,
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Address: net.ParseIP(ip),
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Port: 5000,
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Weight: 1,
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ConnectionFlags: fwdMethod,
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}
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destinations = append(destinations, d)
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err := i.NewDestination(&s, &d)
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assert.NilError(t, err)
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checkDestination(t, i, &s, &d, true)
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}
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for _, updateFwdMethod := range fwdMethods {
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if updateFwdMethod == fwdMethod {
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continue
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}
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for _, d := range destinations {
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d.ConnectionFlags = updateFwdMethod
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err = i.UpdateDestination(&s, &d)
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assert.NilError(t, err)
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checkDestination(t, i, &s, &d, true)
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}
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}
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for _, d := range destinations {
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err = i.DelDestination(&s, &d)
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assert.NilError(t, err)
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checkDestination(t, i, &s, &d, false)
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}
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}
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}
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}
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}
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func TestTimeouts(t *testing.T) {
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if testutils.RunningOnCircleCI() {
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t.Skip("Skipping as not supported on CIRCLE CI kernel")
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}
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defer testutils.SetupTestOSContext(t)()
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i, err := New("")
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assert.NilError(t, err)
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_, err = i.GetConfig()
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assert.NilError(t, err)
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cfg := Config{66 * time.Second, 66 * time.Second, 66 * time.Second}
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err = i.SetConfig(&cfg)
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assert.NilError(t, err)
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c2, err := i.GetConfig()
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assert.NilError(t, err)
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assert.DeepEqual(t, cfg, *c2)
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// A timeout value 0 means that the current timeout value of the corresponding entry is preserved
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cfg = Config{77 * time.Second, 0 * time.Second, 77 * time.Second}
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err = i.SetConfig(&cfg)
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assert.NilError(t, err)
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c3, err := i.GetConfig()
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assert.NilError(t, err)
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assert.DeepEqual(t, *c3, Config{77 * time.Second, 66 * time.Second, 77 * time.Second})
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}
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@ -16,10 +16,10 @@ import (
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"github.com/docker/docker/pkg/reexec"
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"github.com/docker/libnetwork/iptables"
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"github.com/docker/libnetwork/ipvs"
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"github.com/docker/libnetwork/ns"
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"github.com/gogo/protobuf/proto"
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"github.com/ishidawataru/sctp"
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"github.com/moby/ipvs"
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"github.com/sirupsen/logrus"
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"github.com/vishvananda/netlink/nl"
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"github.com/vishvananda/netns"
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|
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@ -57,3 +57,5 @@ go.opencensus.io 9c377598961b706d1542bd2d84d538b5094d596e
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gotest.tools 1083505acf35a0bd8a696b26837e1fb3187a7a83 # v2.3.0
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github.com/google/go-cmp 3af367b6b30c263d47e8895973edcca9a49cf029 # v0.2.0
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||||
|
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github.com/moby/ipvs 45bd6e080830fe2f2a43320b154d82b8f3f5aa0c
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|
|
|
|||
202
libnetwork/vendor/github.com/moby/ipvs/LICENSE
generated
vendored
Normal file
202
libnetwork/vendor/github.com/moby/ipvs/LICENSE
generated
vendored
Normal file
|
|
@ -0,0 +1,202 @@
|
|||
Apache License
|
||||
Version 2.0, January 2004
|
||||
http://www.apache.org/licenses/
|
||||
|
||||
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
|
||||
|
||||
1. Definitions.
|
||||
|
||||
"License" shall mean the terms and conditions for use, reproduction,
|
||||
and distribution as defined by Sections 1 through 9 of this document.
|
||||
|
||||
"Licensor" shall mean the copyright owner or entity authorized by
|
||||
the copyright owner that is granting the License.
|
||||
|
||||
"Legal Entity" shall mean the union of the acting entity and all
|
||||
other entities that control, are controlled by, or are under common
|
||||
control with that entity. For the purposes of this definition,
|
||||
"control" means (i) the power, direct or indirect, to cause the
|
||||
direction or management of such entity, whether by contract or
|
||||
otherwise, or (ii) ownership of fifty percent (50%) or more of the
|
||||
outstanding shares, or (iii) beneficial ownership of such entity.
|
||||
|
||||
"You" (or "Your") shall mean an individual or Legal Entity
|
||||
exercising permissions granted by this License.
|
||||
|
||||
"Source" form shall mean the preferred form for making modifications,
|
||||
including but not limited to software source code, documentation
|
||||
source, and configuration files.
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||||
|
||||
"Object" form shall mean any form resulting from mechanical
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transformation or translation of a Source form, including but
|
||||
not limited to compiled object code, generated documentation,
|
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and conversions to other media types.
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||||
"Work" shall mean the work of authorship, whether in Source or
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||||
Object form, made available under the License, as indicated by a
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copyright notice that is included in or attached to the work
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(an example is provided in the Appendix below).
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"Derivative Works" shall mean any work, whether in Source or Object
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form, that is based on (or derived from) the Work and for which the
|
||||
editorial revisions, annotations, elaborations, or other modifications
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||||
represent, as a whole, an original work of authorship. For the purposes
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||||
of this License, Derivative Works shall not include works that remain
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separable from, or merely link (or bind by name) to the interfaces of,
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the Work and Derivative Works thereof.
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"Contribution" shall mean any work of authorship, including
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the original version of the Work and any modifications or additions
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to that Work or Derivative Works thereof, that is intentionally
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submitted to Licensor for inclusion in the Work by the copyright owner
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or by an individual or Legal Entity authorized to submit on behalf of
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means any form of electronic, verbal, or written communication sent
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to the Licensor or its representatives, including but not limited to
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communication on electronic mailing lists, source code control systems,
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and issue tracking systems that are managed by, or on behalf of, the
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Licensor for the purpose of discussing and improving the Work, but
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"Contributor" shall mean Licensor and any individual or Legal Entity
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||||
2. Grant of Copyright License. Subject to the terms and conditions of
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this License, each Contributor hereby grants to You a perpetual,
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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3. Grant of Patent License. Subject to the terms and conditions of
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this License, each Contributor hereby grants to You a perpetual,
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worldwide, non-exclusive, no-charge, royalty-free, irrevocable
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||||
(except as stated in this section) patent license to make, have made,
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use, offer to sell, sell, import, and otherwise transfer the Work,
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||||
where such license applies only to those patent claims licensable
|
||||
by such Contributor that are necessarily infringed by their
|
||||
Contribution(s) alone or by combination of their Contribution(s)
|
||||
with the Work to which such Contribution(s) was submitted. If You
|
||||
institute patent litigation against any entity (including a
|
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|
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or a Contribution incorporated within the Work constitutes direct
|
||||
or contributory patent infringement, then any patent licenses
|
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granted to You under this License for that Work shall terminate
|
||||
as of the date such litigation is filed.
|
||||
|
||||
4. Redistribution. You may reproduce and distribute copies of the
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||||
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|
||||
modifications, and in Source or Object form, provided that You
|
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meet the following conditions:
|
||||
|
||||
(a) You must give any other recipients of the Work or
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|
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(b) You must cause any modified files to carry prominent notices
|
||||
stating that You changed the files; and
|
||||
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(c) You must retain, in the Source form of any Derivative Works
|
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that You distribute, all copyright, patent, trademark, and
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|
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excluding those notices that do not pertain to any part of
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||||
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|
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(d) If the Work includes a "NOTICE" text file as part of its
|
||||
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|
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include a readable copy of the attribution notices contained
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within such NOTICE file, excluding those notices that do not
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within a display generated by the Derivative Works, if and
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wherever such third-party notices normally appear. The contents
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of the NOTICE file are for informational purposes only and
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do not modify the License. You may add Your own attribution
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notices within Derivative Works that You distribute, alongside
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or as an addendum to the NOTICE text from the Work, provided
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that such additional attribution notices cannot be construed
|
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as modifying the License.
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You may add Your own copyright statement to Your modifications and
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for use, reproduction, or distribution of Your modifications, or
|
||||
for any such Derivative Works as a whole, provided Your use,
|
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reproduction, and distribution of the Work otherwise complies with
|
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the conditions stated in this License.
|
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|
||||
5. Submission of Contributions. Unless You explicitly state otherwise,
|
||||
any Contribution intentionally submitted for inclusion in the Work
|
||||
by You to the Licensor shall be under the terms and conditions of
|
||||
this License, without any additional terms or conditions.
|
||||
Notwithstanding the above, nothing herein shall supersede or modify
|
||||
the terms of any separate license agreement you may have executed
|
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with Licensor regarding such Contributions.
|
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|
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|
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|
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except as required for reasonable and customary use in describing the
|
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|
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implied, including, without limitation, any warranties or conditions
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PARTICULAR PURPOSE. You are solely responsible for determining the
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appropriateness of using or redistributing the Work and assume any
|
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risks associated with Your exercise of permissions under this License.
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8. Limitation of Liability. In no event and under no legal theory,
|
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whether in tort (including negligence), contract, or otherwise,
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unless required by applicable law (such as deliberate and grossly
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negligent acts) or agreed to in writing, shall any Contributor be
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liable to You for damages, including any direct, indirect, special,
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|
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|
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|
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9. Accepting Warranty or Additional Liability. While redistributing
|
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the Work or Derivative Works thereof, You may choose to offer,
|
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and charge a fee for, acceptance of support, warranty, indemnity,
|
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or other liability obligations and/or rights consistent with this
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License. However, in accepting such obligations, You may act only
|
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on Your own behalf and on Your sole responsibility, not on behalf
|
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of any other Contributor, and only if You agree to indemnify,
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defend, and hold each Contributor harmless for any liability
|
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incurred by, or claims asserted against, such Contributor by reason
|
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of your accepting any such warranty or additional liability.
|
||||
|
||||
END OF TERMS AND CONDITIONS
|
||||
|
||||
APPENDIX: How to apply the Apache License to your work.
|
||||
|
||||
To apply the Apache License to your work, attach the following
|
||||
boilerplate notice, with the fields enclosed by brackets "{}"
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||||
replaced with your own identifying information. (Don't include
|
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the brackets!) The text should be enclosed in the appropriate
|
||||
comment syntax for the file format. We also recommend that a
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file or class name and description of purpose be included on the
|
||||
same "printed page" as the copyright notice for easier
|
||||
identification within third-party archives.
|
||||
|
||||
Copyright {yyyy} {name of copyright owner}
|
||||
|
||||
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.
|
||||
|
||||
0
libnetwork/ipvs/constants.go → libnetwork/vendor/github.com/moby/ipvs/constants.go
generated
vendored
0
libnetwork/ipvs/constants.go → libnetwork/vendor/github.com/moby/ipvs/constants.go
generated
vendored
1
libnetwork/vendor/github.com/moby/ipvs/doc.go
generated
vendored
Normal file
1
libnetwork/vendor/github.com/moby/ipvs/doc.go
generated
vendored
Normal file
|
|
@ -0,0 +1 @@
|
|||
package ipvs
|
||||
12
libnetwork/vendor/github.com/moby/ipvs/go.mod
generated
vendored
Normal file
12
libnetwork/vendor/github.com/moby/ipvs/go.mod
generated
vendored
Normal file
|
|
@ -0,0 +1,12 @@
|
|||
module github.com/moby/ipvs
|
||||
|
||||
go 1.13
|
||||
|
||||
require (
|
||||
github.com/pkg/errors v0.8.1 // indirect
|
||||
github.com/sirupsen/logrus v1.4.1
|
||||
github.com/vishvananda/netlink v1.0.0
|
||||
github.com/vishvananda/netns v0.0.0-20190625233234-7109fa855b0f
|
||||
golang.org/x/sys v0.0.0-20190303122642-d455e41777fc
|
||||
gotest.tools v1.4.1-0.20181223230014-1083505acf35
|
||||
)
|
||||
0
libnetwork/ipvs/ipvs.go → libnetwork/vendor/github.com/moby/ipvs/ipvs.go
generated
vendored
0
libnetwork/ipvs/ipvs.go → libnetwork/vendor/github.com/moby/ipvs/ipvs.go
generated
vendored
0
libnetwork/ipvs/netlink.go → libnetwork/vendor/github.com/moby/ipvs/netlink.go
generated
vendored
0
libnetwork/ipvs/netlink.go → libnetwork/vendor/github.com/moby/ipvs/netlink.go
generated
vendored
Loading…
Add table
Reference in a new issue