Updates memberlist to get goroutine leak fix for TCP pings.
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fc6faf77b7
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@ -100,7 +100,7 @@
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},
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{
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"ImportPath": "github.com/hashicorp/memberlist",
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"Rev": "9888dc523910e5d22c5be4f6e34520943df21809"
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"Rev": "cef12ad58224d55cf26caa9e3d239c2fcb3432a2"
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},
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{
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"ImportPath": "github.com/hashicorp/net-rpc-msgpackrpc",
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@ -280,7 +280,7 @@ func (m *Memberlist) setAlive() error {
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if ip.To4() == nil {
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continue
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}
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if !isPrivateIP(ip.String()) {
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if !IsPrivateIP(ip.String()) {
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continue
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}
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@ -305,7 +305,7 @@ func (m *Memberlist) setAlive() error {
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// Check if this is a public address without encryption
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addrStr := net.IP(advertiseAddr).String()
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if !isPrivateIP(addrStr) && !isLoopbackIP(addrStr) && !m.config.EncryptionEnabled() {
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if !IsPrivateIP(addrStr) && !isLoopbackIP(addrStr) && !m.config.EncryptionEnabled() {
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m.logger.Printf("[WARN] memberlist: Binding to public address without encryption!")
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}
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@ -282,7 +282,7 @@ func (m *Memberlist) probeNode(node *nodeState) {
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// member who understands version 3 of the protocol, regardless of
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// which protocol version we are speaking. That's why we've included a
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// config option to turn this off if desired.
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fallbackCh := make(chan bool)
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fallbackCh := make(chan bool, 1)
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if (!m.config.DisableTcpPings) && (node.PMax >= 3) {
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destAddr := &net.TCPAddr{IP: node.Addr, Port: int(node.Port)}
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go func() {
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@ -1,28 +0,0 @@
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#!/bin/bash
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#
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# This script makes sure that 127.0.0.x is routable. On Darwin, there
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# is a bug that it isn't routable and this causes errors.
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#
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# Check if loopback is setup
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ping -c 1 -W 10 127.0.0.2 > /dev/null 2>&1
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if [ $? -eq 0 ]
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then
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exit
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fi
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# If we're not on OS X, then error
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case $OSTYPE in
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darwin*)
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;;
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*)
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echo "Can't setup interfaces on non-Mac. Error!"
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exit 1
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;;
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esac
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# Setup loopback
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for ((i=2;i<256;i++))
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do
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sudo ifconfig lo0 alias 127.0.0.$i up
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done
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@ -24,8 +24,11 @@ const pushPullScaleThreshold = 32
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/*
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* Contains an entry for each private block:
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* 10.0.0.0/8
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* 100.64.0.0/10
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* 127.0.0.0/8
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* 169.254.0.0/16
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* 172.16.0.0/12
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* 192.168/16
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* 192.168.0.0/16
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*/
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var privateBlocks []*net.IPNet
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@ -41,25 +44,44 @@ func init() {
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rand.Seed(time.Now().UnixNano())
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// Add each private block
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privateBlocks = make([]*net.IPNet, 3)
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privateBlocks = make([]*net.IPNet, 6)
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_, block, err := net.ParseCIDR("10.0.0.0/8")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[0] = block
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_, block, err = net.ParseCIDR("172.16.0.0/12")
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_, block, err = net.ParseCIDR("100.64.0.0/10")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[1] = block
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_, block, err = net.ParseCIDR("192.168.0.0/16")
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_, block, err = net.ParseCIDR("127.0.0.0/8")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[2] = block
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_, block, err = net.ParseCIDR("169.254.0.0/16")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[3] = block
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_, block, err = net.ParseCIDR("172.16.0.0/12")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[4] = block
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_, block, err = net.ParseCIDR("192.168.0.0/16")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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}
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privateBlocks[5] = block
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_, block, err = net.ParseCIDR("127.0.0.0/8")
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if err != nil {
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panic(fmt.Sprintf("Bad cidr. Got %v", err))
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@ -85,6 +107,42 @@ func encode(msgType messageType, in interface{}) (*bytes.Buffer, error) {
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return buf, err
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}
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// GetPrivateIP returns the first private IP address found in a list of
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// addresses.
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func GetPrivateIP(addresses []net.Addr) (net.IP, error) {
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var candidates []net.IP
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// Find private IPv4 address
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for _, rawAddr := range addresses {
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var ip net.IP
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switch addr := rawAddr.(type) {
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case *net.IPAddr:
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ip = addr.IP
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case *net.IPNet:
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ip = addr.IP
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default:
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continue
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}
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if ip.To4() == nil {
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continue
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}
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if !IsPrivateIP(ip.String()) {
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continue
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}
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candidates = append(candidates, ip)
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}
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numIps := len(candidates)
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switch numIps {
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case 0:
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return nil, fmt.Errorf("No private IP address found")
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case 1:
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return candidates[0], nil
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default:
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return nil, fmt.Errorf("Multiple private IPs found. Please configure one.")
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}
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}
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// Returns a random offset between 0 and n
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func randomOffset(n int) int {
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if n == 0 {
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@ -252,7 +310,7 @@ func decodeCompoundMessage(buf []byte) (trunc int, parts [][]byte, err error) {
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}
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// Returns if the given IP is in a private block
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func isPrivateIP(ip_str string) bool {
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func IsPrivateIP(ip_str string) bool {
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ip := net.ParseIP(ip_str)
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for _, priv := range privateBlocks {
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if priv.Contains(ip) {
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