Merge pull request #840 from harshavardhana/version

Version is a package now, will be re-used across codebase.

Makefile

@@ -50,7 +50,7 @@ release: genversion
 
 genversion:
 	@echo "Generating new minio version.go"
-	@go run genversion.go
+	@cd ./pkg/version; go run genversion.go; cd - 1>/dev/null
 
 pkg-remove:
 	@GO15VENDOREXPERIMENT=1 govendor remove $(PKG)

main.go

@@ -27,6 +27,7 @@ import (
 
 	"github.com/dustin/go-humanize"
 	"github.com/minio/cli"
+	"github.com/minio/minio/pkg/version"
 )
 
 func init() {
@@ -80,7 +81,7 @@ func init() {
 
 // getFormattedVersion -
 func getFormattedVersion() string {
-	t, _ := time.Parse(time.RFC3339Nano, Version)
+	t, _ := time.Parse(time.RFC3339Nano, version.Version)
 	if t.IsZero() {
 		return ""
 	}

pkg/server/api/headers.go

@@ -22,9 +22,11 @@ import (
 	"encoding/json"
 	"encoding/xml"
 	"net/http"
+	"runtime"
 	"strconv"
 
 	"github.com/minio/minio/pkg/donut"
+	"github.com/minio/minio/pkg/version"
 )
 
 // No encoder interface exists, so we create one.
@@ -51,7 +53,7 @@ func generateRequestID() []byte {
 func setCommonHeaders(w http.ResponseWriter, acceptsType string, contentLength int) {
 	// set unique request ID for each reply
 	w.Header().Set("X-Amz-Request-Id", string(generateRequestID()))
-	w.Header().Set("Server", "Minio")
+	w.Header().Set("Server", ("Minio/" + version.Version + " (" + runtime.GOOS + "," + runtime.GOARCH + ")"))
 	w.Header().Set("Accept-Ranges", "bytes")
 	w.Header().Set("Content-Type", acceptsType)
 	w.Header().Set("Connection", "close")

pkg/version/genversion.go

@@ -35,7 +35,7 @@ func writeVersion(version Version) error {
 	var versionTemplate = `// --------  DO NOT EDIT --------
 // This file is autogenerated by genversion.go during the release process.
 
-package main
+package version
 
 // Version autogenerated
 const Version = {{if .Date}}"{{.Date}}"{{else}}""{{end}}

pkg/version/version.go

@@ -1,7 +1,7 @@
 // --------  DO NOT EDIT --------
 // This file is autogenerated by genversion.go during the release process.
 
-package main
+package version
 
 // Version autogenerated
 const Version = "2015-08-14T03:23:47.250240049Z"

pkg/version/version_test.go

@@ -0,0 +1,37 @@
+/*
+ * Minio Cloud Storage, (C) 2015 Minio, Inc.
+ *
+ * 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.
+ */
+
+package version_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/minio/minio/pkg/version"
+
+	. "gopkg.in/check.v1"
+)
+
+func Test(t *testing.T) { TestingT(t) }
+
+type MySuite struct{}
+
+var _ = Suite(&MySuite{})
+
+func (s *MySuite) TestVersion(c *C) {
+	_, err := time.Parse(version.Version, time.RFC3339Nano)
+	c.Assert(err, NotNil)
+}

verify-runtime.go

@@ -44,12 +44,12 @@ func getNormalizedGolangVersion() string {
 	return version
 }
 
-type version struct {
+type golangVersion struct {
 	major, minor, patch string
 }
 
-func newVersion(v string) version {
-	ver := version{}
+func newVersion(v string) golangVersion {
+	ver := golangVersion{}
 	verSlice := strings.Split(v, ".")
 	if len(verSlice) < 2 {
 		Fatalln("Version string missing major and minor versions, cannot proceed exiting.")
@@ -67,11 +67,11 @@ func newVersion(v string) version {
 	return ver
 }
 
-func (v1 version) String() string {
+func (v1 golangVersion) String() string {
 	return fmt.Sprintf("%s%s%s", v1.major, v1.minor, v1.patch)
 }
 
-func (v1 version) Version() int {
+func (v1 golangVersion) Version() int {
 	ver, e := strconv.Atoi(v1.String())
 	if e != nil {
 		Fatalln("Unable to parse version string.")
@@ -79,7 +79,7 @@ func (v1 version) Version() int {
 	return ver
 }
 
-func (v1 version) LessThan(v2 version) bool {
+func (v1 golangVersion) LessThan(v2 golangVersion) bool {
 	if v1.Version() < v2.Version() {
 		return true
 	}

version-main.go

@@ -21,6 +21,7 @@ import (
 	"time"
 
 	"github.com/minio/cli"
+	"github.com/minio/minio/pkg/version"
 )
 
 var versionCmd = cli.Command{
@@ -39,7 +40,7 @@ EXAMPLES:
 }
 
 func mainVersion(ctxx *cli.Context) {
-	t, _ := time.Parse(time.RFC3339Nano, Version)
+	t, _ := time.Parse(time.RFC3339Nano, version.Version)
 	if t.IsZero() {
 		Println("")
 		return