Merge pull request #7984 from gyuho/3.2

*: bump up test Go runtime, etcd versions before 3.2 release

.travis.yml

@@ -4,7 +4,7 @@ go_import_path: github.com/coreos/etcd
 sudo: false
 
 go:
-  - 1.8.1
+  - 1.8.3
   - tip
 
 notifications:

ROADMAP.md

@@ -6,7 +6,7 @@ This document defines a high level roadmap for etcd development.
 
 The dates below should not be considered authoritative, but rather indicative of the projected timeline of the project. The [milestones defined in GitHub](https://github.com/coreos/etcd/milestones) represent the most up-to-date and issue-for-issue plans.
 
-etcd 3.1 is our current stable branch. The roadmap below outlines new features that will be added to etcd, and while subject to change, define what future stable will look like.
+etcd 3.2 is our current stable branch. The roadmap below outlines new features that will be added to etcd, and while subject to change, define what future stable will look like.
 
 ### etcd 3.2 (2017-May)
 - Stable scalable proxy

e2e/etcd_release_upgrade_test.go

@@ -23,6 +23,7 @@ import (
 
 	"github.com/coreos/etcd/pkg/fileutil"
 	"github.com/coreos/etcd/pkg/testutil"
+	"github.com/coreos/etcd/version"
 )
 
 // TestReleaseUpgrade ensures that changes to master branch does not affect
@@ -53,7 +54,7 @@ func TestReleaseUpgrade(t *testing.T) {
 	// so there's a window at boot time where it doesn't have V3rpcCapability enabled
 	// poll /version until etcdcluster is >2.3.x before making v3 requests
 	for i := 0; i < 7; i++ {
-		if err = cURLGet(epc, cURLReq{endpoint: "/version", expected: `"etcdcluster":"3.1`}); err != nil {
+		if err = cURLGet(epc, cURLReq{endpoint: "/version", expected: `"etcdcluster":"` + version.Cluster(version.Version)}); err != nil {
 			t.Logf("#%d: v3 is not ready yet (%v)", i, err)
 			time.Sleep(time.Second)
 			continue

test

@@ -170,7 +170,7 @@ function grpcproxy_pass {
 function release_pass {
 	rm -f ./bin/etcd-last-release
 	# to grab latest patch release; bump this up for every minor release
-	UPGRADE_VER=$(git tag -l --sort=-version:refname "v3.1.*" | head -1)
+	UPGRADE_VER=$(git tag -l --sort=-version:refname "v3.2.*" | head -1)
 	if [ -n "$MANUAL_VER" ]; then
 		# in case, we need to test against different version
 		UPGRADE_VER=$MANUAL_VER