Update serf library to pick up coordinate persistence fix

vendor/github.com/hashicorp/serf/serf/serf.go

@@ -314,7 +314,6 @@ func Create(conf *Config) (*Serf, error) {
 			conf.RejoinAfterLeave,
 			serf.logger,
 			&serf.clock,
-			serf.coordClient,
 			conf.EventCh,
 			serf.shutdownCh)
 		if err != nil {

vendor/github.com/hashicorp/serf/serf/snapshot.go

@@ -2,7 +2,6 @@ package serf
 
 import (
 	"bufio"
-	"encoding/json"
 	"fmt"
 	"log"
 	"math/rand"
@@ -13,7 +12,6 @@ import (
 	"time"
 
 	"github.com/armon/go-metrics"
-	"github.com/hashicorp/serf/coordinate"
 )
 
 /*
@@ -29,7 +27,6 @@ old events.
 
 const flushInterval = 500 * time.Millisecond
 const clockUpdateInterval = 500 * time.Millisecond
-const coordinateUpdateInterval = 60 * time.Second
 const tmpExt = ".compact"
 const snapshotErrorRecoveryInterval = 30 * time.Second
 
@@ -38,7 +35,6 @@ const snapshotErrorRecoveryInterval = 30 * time.Second
 type Snapshotter struct {
 	aliveNodes              map[string]string
 	clock                   *LamportClock
-	coordClient             *coordinate.Client
 	fh                      *os.File
 	buffered                *bufio.Writer
 	inCh                    <-chan Event
@@ -80,7 +76,6 @@ func NewSnapshotter(path string,
 	rejoinAfterLeave bool,
 	logger *log.Logger,
 	clock *LamportClock,
-	coordClient *coordinate.Client,
 	outCh chan<- Event,
 	shutdownCh <-chan struct{}) (chan<- Event, *Snapshotter, error) {
 	inCh := make(chan Event, 1024)
@@ -103,7 +98,6 @@ func NewSnapshotter(path string,
 	snap := &Snapshotter{
 		aliveNodes:       make(map[string]string),
 		clock:            clock,
-		coordClient:      coordClient,
 		fh:               fh,
 		buffered:         bufio.NewWriter(fh),
 		inCh:             inCh,
@@ -182,9 +176,6 @@ func (s *Snapshotter) stream() {
 	clockTicker := time.NewTicker(clockUpdateInterval)
 	defer clockTicker.Stop()
 
-	coordinateTicker := time.NewTicker(coordinateUpdateInterval)
-	defer coordinateTicker.Stop()
-
 	for {
 		select {
 		case <-s.leaveCh:
@@ -226,9 +217,6 @@ func (s *Snapshotter) stream() {
 		case <-clockTicker.C:
 			s.updateClock()
 
-		case <-coordinateTicker.C:
-			s.updateCoordinate()
-
 		case <-s.shutdownCh:
 			if err := s.buffered.Flush(); err != nil {
 				s.logger.Printf("[ERR] serf: failed to flush snapshot: %v", err)
@@ -275,20 +263,6 @@ func (s *Snapshotter) updateClock() {
 	}
 }
 
-// updateCoordinate is called periodically to write out the current local
-// coordinate. It's safe to call this if coordinates aren't enabled (nil
-// client) and it will be a no-op.
-func (s *Snapshotter) updateCoordinate() {
-	if s.coordClient != nil {
-		encoded, err := json.Marshal(s.coordClient.GetCoordinate())
-		if err != nil {
-			s.logger.Printf("[ERR] serf: Failed to encode coordinate: %v", err)
-		} else {
-			s.tryAppend(fmt.Sprintf("coordinate: %s\n", encoded))
-		}
-	}
-}
-
 // processUserEvent is used to handle a single user event
 func (s *Snapshotter) processUserEvent(e UserEvent) {
 	// Ignore old clocks
@@ -404,23 +378,6 @@ func (s *Snapshotter) compact() error {
 	}
 	offset += int64(n)
 
-	// Write out the coordinate.
-	if s.coordClient != nil {
-		encoded, err := json.Marshal(s.coordClient.GetCoordinate())
-		if err != nil {
-			fh.Close()
-			return err
-		}
-
-		line = fmt.Sprintf("coordinate: %s\n", encoded)
-		n, err = buf.WriteString(line)
-		if err != nil {
-			fh.Close()
-			return err
-		}
-		offset += int64(n)
-	}
-
 	// Flush the new snapshot
 	err = buf.Flush()
 
@@ -542,22 +499,7 @@ func (s *Snapshotter) replay() error {
 			s.lastQueryClock = LamportTime(timeInt)
 
 		} else if strings.HasPrefix(line, "coordinate: ") {
-			if s.coordClient == nil {
+			continue // Ignores any coordinate persistence from old snapshots, serf should re-converge
-				s.logger.Printf("[WARN] serf: Ignoring snapshot coordinates since they are disabled")
-				continue
-			}
-
-			coordStr := strings.TrimPrefix(line, "coordinate: ")
-			var coord coordinate.Coordinate
-			err := json.Unmarshal([]byte(coordStr), &coord)
-			if err != nil {
-				s.logger.Printf("[WARN] serf: Failed to decode coordinate: %v", err)
-				continue
-			}
-			if err := s.coordClient.SetCoordinate(&coord); err != nil {
-				s.logger.Printf("[WARN] serf: Failed to set coordinate: %v", err)
-				continue
-			}
 		} else if line == "leave" {
 			// Ignore a leave if we plan on re-joining
 			if s.rejoinAfterLeave {

vendor/vendor.json

@@ -59,8 +59,8 @@
 		{"path":"github.com/hashicorp/net-rpc-msgpackrpc","checksumSHA1":"qnlqWJYV81ENr61SZk9c65R1mDo=","revision":"a14192a58a694c123d8fe5481d4a4727d6ae82f3","revisionTime":"2015-11-16T02:03:38Z"},
 		{"path":"github.com/hashicorp/raft","checksumSHA1":"JjJtGJi1ywWhVhs/PvTXxe4TeD8=","revision":"6d14f0c70869faabd9e60ba7ed88a6cbbd6a661f","revisionTime":"2017-10-03T22:09:13Z","version":"v1.0.0","versionExact":"v1.0.0"},
 		{"path":"github.com/hashicorp/raft-boltdb","checksumSHA1":"QAxukkv54/iIvLfsUP6IK4R0m/A=","revision":"d1e82c1ec3f15ee991f7cc7ffd5b67ff6f5bbaee","revisionTime":"2015-02-01T20:08:39Z"},
-		{"path":"github.com/hashicorp/serf/coordinate","checksumSHA1":"mS15CkImPzXYsgNwl3Mt9Gh3Vb0=","comment":"v0.7.0-66-g6c4672d","revision":"d7edef7830f6ef57fde9d8774489d3db8d91ae98","revisionTime":"2017-10-20T15:31:31Z"},
+		{"path":"github.com/hashicorp/serf/coordinate","checksumSHA1":"mS15CkImPzXYsgNwl3Mt9Gh3Vb0=","comment":"v0.7.0-66-g6c4672d","revision":"c20a0b1b1ea9eb8168bcdec0116688fa9254e449","revisionTime":"2017-10-22T02:00:50Z"},
-		{"path":"github.com/hashicorp/serf/serf","checksumSHA1":"LPqwFCD4mIRfbsQez0vgZMfpdW8=","comment":"v0.7.0-66-g6c4672d","revision":"d7edef7830f6ef57fde9d8774489d3db8d91ae98","revisionTime":"2017-10-20T15:31:31Z"},
+		{"path":"github.com/hashicorp/serf/serf","checksumSHA1":"iYhCWgAAUcQjU0JocsKgak5C8tY=","comment":"v0.7.0-66-g6c4672d","revision":"c20a0b1b1ea9eb8168bcdec0116688fa9254e449","revisionTime":"2017-10-22T02:00:50Z"},
 		{"path":"github.com/hashicorp/yamux","checksumSHA1":"ZhK6IO2XN81Y+3RAjTcVm1Ic7oU=","revision":"d1caa6c97c9fc1cc9e83bbe34d0603f9ff0ce8bd","revisionTime":"2016-07-20T23:31:40Z"},
 		{"path":"github.com/mattn/go-isatty","checksumSHA1":"xZuhljnmBysJPta/lMyYmJdujCg=","revision":"66b8e73f3f5cda9f96b69efd03dd3d7fc4a5cdb8","revisionTime":"2016-08-06T12:27:52Z"},
 		{"path":"github.com/miekg/dns","checksumSHA1":"Jo+pItYOocIRdoFL0fc4nHhUEJY=","revision":"bbca4873b326f5dc54bfe31148446d4ed79a5a02","revisionTime":"2017-08-08T22:19:10Z"},