Merge pull request #1126 from vaikas-google/master

first cut of version on client and server

_proto/Makefile

@@ -20,19 +20,26 @@ services_ias = $(subst $(space),$(comma),$(addsuffix =$(import_path)/$(services_
 services_pbs = $(sort $(wildcard hapi/services/*.proto))
 services_pkg = services
 
+version_ias    = $(subst $(space),$(comma),$(addsuffix =$(import_path)/$(version_pkg),$(addprefix M,$(version_pbs))))
+version_pbs    = $(sort $(wildcard hapi/version/*.proto))
+version_pkg    = version
+
 google_deps	 = Mgoogle/protobuf/timestamp.proto=github.com/golang/protobuf/ptypes/timestamp,Mgoogle/protobuf/any.proto=github.com/golang/protobuf/ptypes/any
 
 .PHONY: all
-all: chart release services
+all: chart release services version
 
 chart:
 	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps),$(chart_ias):$(dst) $(chart_pbs)
 
 release:
-	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps),$(chart_ias):$(dst) $(release_pbs)
+	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps),$(chart_ias),$(version_ias):$(dst) $(release_pbs)
 
 services:
-	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps),$(chart_ias),$(release_ias):$(dst) $(services_pbs)
+	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps),$(chart_ias),$(version_ias),$(release_ias):$(dst) $(services_pbs)
+
+version:
+	PATH=../bin:$(PATH) protoc --$(target)_out=plugins=$(plugins),$(google_deps):$(dst) $(version_pbs)
 
 .PHONY: clean
 clean:

_proto/hapi/services/tiller.proto

@@ -21,6 +21,7 @@ import "hapi/chart/config.proto";
 import "hapi/release/release.proto";
 import "hapi/release/info.proto";
 import "hapi/release/status.proto";
+import "hapi/version/version.proto";
 
 option go_package = "services";
 
@@ -65,6 +66,10 @@ service ReleaseService {
 	// UninstallRelease requests deletion of a named release.
 	rpc UninstallRelease(UninstallReleaseRequest) returns (UninstallReleaseResponse) {
 	}
+
+  // GetVersion returns the current version of the server.
+  rpc GetVersion(GetVersionRequest) returns (GetVersionResponse) {
+}
 }
 
 // ListReleasesRequest requests a list of releases.
@@ -229,3 +234,11 @@ message UninstallReleaseResponse {
 	// Release is the release that was marked deleted.
 	hapi.release.Release release = 1;
 }
+
+// GetVersionRequest requests for version information.
+message GetVersionRequest {
+}
+
+message GetVersionResponse {
+  hapi.version.Version Version = 1;
+}

_proto/hapi/version/version.proto

+// Copyright 2016 The Kubernetes Authors All rights reserved.
+//
+// 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.
+
+syntax = "proto3";
+
+package hapi.version;
+
+option go_package = "version";
+
+message Version {
+  // Sem ver string for the version
+  string sem_ver = 1;
+  string git_commit = 2;
+  string git_tree_state = 3;
+}

cmd/helm/helm.go

@@ -98,6 +98,7 @@ func newRootCmd(out io.Writer) *cobra.Command {
 		newFetchCmd(out),
 		newVerifyCmd(out),
 		newUpdateCmd(out),
+		newVersionCmd(nil, out),
 	)
 	return cmd
 }

cmd/helm/helm_test.go

@@ -31,6 +31,7 @@ import (
 	"k8s.io/helm/pkg/proto/hapi/chart"
 	"k8s.io/helm/pkg/proto/hapi/release"
 	rls "k8s.io/helm/pkg/proto/hapi/services"
+	"k8s.io/helm/pkg/proto/hapi/version"
 )
 
 var mockHookTemplate = `apiVersion: v1
@@ -145,6 +146,14 @@ func (c *fakeReleaseClient) ReleaseStatus(rlsName string, opts ...helm.StatusOpt
 	return nil, fmt.Errorf("No such release: %s", rlsName)
 }
 
+func (c *fakeReleaseClient) GetVersion(opts ...helm.VersionOption) (*rls.GetVersionResponse, error) {
+	return &rls.GetVersionResponse{
+		Version: &version.Version{
+			SemVer: "1.2.3-fakeclient+testonly",
+		},
+	}, nil
+}
+
 func (c *fakeReleaseClient) UpdateRelease(rlsName string, chStr string, opts ...helm.UpdateOption) (*rls.UpdateReleaseResponse, error) {
 	return nil, nil
 }

cmd/helm/version.go

@@ -18,20 +18,46 @@ package main
 
 import (
 	"fmt"
+	"io"
 
 	"github.com/spf13/cobra"
 
+	"k8s.io/helm/pkg/helm"
 	"k8s.io/helm/pkg/version"
 )
 
-func init() {
-	RootCommand.AddCommand(versionCmd)
+type versionCmd struct {
+	out    io.Writer
+	client helm.Interface
 }
 
-var versionCmd = &cobra.Command{
-	Use:   "version",
-	Short: "print the client version information",
-	Run: func(cmd *cobra.Command, args []string) {
-		fmt.Println(version.Version)
-	},
+func newVersionCmd(c helm.Interface, out io.Writer) *cobra.Command {
+	version := &versionCmd{
+		client: c,
+		out:    out,
+	}
+	cmd := &cobra.Command{
+		Use:               "version",
+		Short:             "print the client/server version information",
+		PersistentPreRunE: setupConnection,
+		RunE: func(cmd *cobra.Command, args []string) error {
+			version.client = ensureHelmClient(version.client)
+			return version.run()
+		},
+	}
+	return cmd
+}
+
+func (v *versionCmd) run() error {
+	// Regardless of whether we can talk to server or not, just print the client
+	// version.
+	cv := version.GetVersionProto()
+	fmt.Fprintf(v.out, "Client: {SemVer: %s GitCommit: %s}\n", cv.SemVer, cv.GitCommit)
+
+	resp, err := v.client.GetVersion()
+	if err != nil {
+		return err
+	}
+	fmt.Fprintf(v.out, "Server: {SemVer: %s GitCommit: %s}\n", resp.Version.SemVer, resp.Version.GitCommit)
+	return nil
 }

cmd/tiller/release_server.go

@@ -36,6 +36,7 @@ import (
 	"k8s.io/helm/pkg/proto/hapi/services"
 	"k8s.io/helm/pkg/storage/driver"
 	"k8s.io/helm/pkg/timeconv"
+	"k8s.io/helm/pkg/version"
 	"k8s.io/kubernetes/pkg/api/unversioned"
 )
 
@@ -175,6 +176,11 @@ func filterReleases(filter string, rels []*release.Release) ([]*release.Release,
 	return matches, nil
 }
 
+func (s *releaseServer) GetVersion(c ctx.Context, req *services.GetVersionRequest) (*services.GetVersionResponse, error) {
+	v := version.GetVersionProto()
+	return &services.GetVersionResponse{Version: &v}, nil
+}
+
 func (s *releaseServer) GetReleaseStatus(c ctx.Context, req *services.GetReleaseStatusRequest) (*services.GetReleaseStatusResponse, error) {
 	if req.Name == "" {
 		return nil, errMissingRelease

pkg/chartutil/values_test.go

@@ -61,7 +61,7 @@ water:
 	for _, tt := range tests {
 		data, err = ReadValues([]byte(tt))
 		if err != nil {
-			t.Fatalf("Error parsing bytes: %s", err)
+			t.Fatalf("Error parsing bytes (%s): %s", tt, err)
 		}
 		if data == nil {
 			t.Errorf(`YAML string "%s" gave a nil map`, tt)

pkg/helm/client.go

@@ -120,6 +120,20 @@ func (h *Client) UpdateRelease(rlsName string, chStr string, opts ...UpdateOptio
 	return h.opts.rpcUpdateRelease(rlsName, chart, rls.NewReleaseServiceClient(c), opts...)
 }
 
+// Version returns the server version
+//
+// Note: there aren't currently any supported StatusOptions,
+// but they are kept in the API signature as a placeholder for future additions.
+func (h *Client) GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error) {
+	c, err := grpc.Dial(h.opts.host, grpc.WithInsecure())
+	if err != nil {
+		return nil, err
+	}
+	defer c.Close()
+
+	return h.opts.rpcGetVersion(rls.NewReleaseServiceClient(c), opts...)
+}
+
 // ReleaseStatus returns the given release's status.
 //
 // Note: there aren't currently any  supported StatusOptions,

pkg/helm/interface.go

@@ -28,4 +28,5 @@ type Interface interface {
 	ReleaseStatus(rlsName string, opts ...StatusOption) (*rls.GetReleaseStatusResponse, error)
 	UpdateRelease(rlsName, chStr string, opts ...UpdateOption) (*rls.UpdateReleaseResponse, error)
 	ReleaseContent(rlsName string, opts ...ContentOption) (*rls.GetReleaseContentResponse, error)
+	GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error)
 }

pkg/helm/option.go

@@ -219,7 +219,7 @@ func ContentReleaseVersion(version int32) ContentOption {
 type StatusOption func(*options)
 
 // StatusReleaseVersion will instruct Tiller to retrieve the status
-// of a paritcular version of a release.
+// of a particular version of a release.
 func StatusReleaseVersion(version int32) StatusOption {
 	return func(opts *options) {
 		opts.statusReq.Version = version
@@ -230,6 +230,9 @@ func StatusReleaseVersion(version int32) StatusOption {
 // performing a UninstallRelease tiller rpc.
 type DeleteOption func(*options)
 
+// VersionOption -- TODO
+type VersionOption func(*options)
+
 // UpdateOption allows specifying various settings
 // configurable by the helm client user for overriding
 // the defaults used when running the `helm upgrade` command.
@@ -319,3 +322,9 @@ func (o *options) rpcGetReleaseContent(rlsName string, rlc rls.ReleaseServiceCli
 	o.contentReq.Name = rlsName
 	return rlc.GetReleaseContent(context.TODO(), &o.contentReq)
 }
+
+// Executes tiller.GetVersion RPC.
+func (o *options) rpcGetVersion(rlc rls.ReleaseServiceClient, opts ...VersionOption) (*rls.GetVersionResponse, error) {
+	req := &rls.GetVersionRequest{}
+	return rlc.GetVersion(context.TODO(), req)
+}

pkg/proto/hapi/chart/metadata.pb.go

@@ -54,15 +54,8 @@ type Dependency struct {
 	// Repository is the repository URL. Appending '/index.yaml' to this should
 	// return the repo index.
 	Repository string `protobuf:"bytes,2,opt,name=repository" json:"repository,omitempty"`
-	// Version is a SemVer 2 version range.
-	// This can be an exact version or any of the version range operators
-	// described here: https://github.com/Masterminds/semver/blob/master/README.md
+	// Version is a SemVer 2 version.
 	Version string `protobuf:"bytes,3,opt,name=version" json:"version,omitempty"`
-	// FetchedVersion is a computed field that indicates exactly which version
-	// was fetched by tooling. It is an exact version (not a range).
-	//
-	// This plays the roll of a "lock" for this dependency.
-	FetchedVersion string `protobuf:"bytes,4,opt,name=fetchedVersion" json:"fetchedVersion,omitempty"`
 }
 
 func (m *Dependency) Reset()                    { *m = Dependency{} }
@@ -122,27 +115,26 @@ func init() {
 }
 
 var fileDescriptor2 = []byte{
-	// 346 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x6c, 0x52, 0x4f, 0x4b, 0xfb, 0x40,
-	0x10, 0xfd, 0xa5, 0x6d, 0x92, 0x76, 0xf2, 0x43, 0xca, 0x22, 0x65, 0xf5, 0x20, 0x25, 0x07, 0xf1,
-	0x94, 0x82, 0x82, 0x88, 0x47, 0x51, 0x3c, 0x68, 0x5b, 0x29, 0xfe, 0x01, 0x6f, 0x6b, 0x32, 0x9a,
-	0x45, 0x93, 0x0d, 0xbb, 0xab, 0xd2, 0xab, 0x9f, 0xd6, 0x8f, 0xe1, 0x66, 0x93, 0xb6, 0xa9, 0xf6,
-	0x10, 0x98, 0xf7, 0xde, 0xcc, 0xbc, 0x99, 0xcc, 0xc2, 0x4e, 0xca, 0x0a, 0x3e, 0x8a, 0x53, 0x26,
-	0xf5, 0x28, 0x43, 0xcd, 0x12, 0xa6, 0x59, 0x54, 0x48, 0xa1, 0x05, 0x81, 0x52, 0x8a, 0xac, 0x14,
-	0x1e, 0x03, 0x8c, 0x19, 0xcf, 0xb5, 0xf9, 0x50, 0x12, 0x02, 0x9d, 0x9c, 0x65, 0x48, 0x9d, 0xa1,
-	0x73, 0xd0, 0x9b, 0xd9, 0x98, 0x6c, 0x83, 0x8b, 0x19, 0xe3, 0x6f, 0xb4, 0x65, 0xc9, 0x0a, 0x84,
-	0x5f, 0x0e, 0xc0, 0x39, 0x16, 0x98, 0x27, 0x98, 0xc7, 0xf3, 0x8d, 0x85, 0x7b, 0x00, 0x12, 0x0b,
-	0xa1, 0xb8, 0x16, 0x72, 0x5e, 0x57, 0x37, 0x18, 0x42, 0xc1, 0xff, 0x40, 0xa9, 0xb8, 0xc8, 0x69,
-	0xdb, 0x8a, 0x0b, 0x48, 0xf6, 0x61, 0xeb, 0x19, 0x75, 0x9c, 0x62, 0x72, 0x5f, 0x27, 0x74, 0x6c,
-	0xc2, 0x2f, 0x36, 0xfc, 0x6e, 0x41, 0x77, 0x5c, 0xef, 0xb6, 0x71, 0x04, 0xc3, 0xa5, 0xc2, 0x70,
-	0x95, 0xb9, 0x8d, 0x4b, 0x5b, 0x25, 0xde, 0x65, 0x8c, 0xca, 0xd8, 0xb6, 0x4b, 0xdb, 0x1a, 0x36,
-	0x07, 0xea, 0xac, 0x0f, 0x34, 0x84, 0x20, 0x41, 0x15, 0x4b, 0x5e, 0xe8, 0x52, 0x75, 0xad, 0xda,
-	0xa4, 0xc8, 0x2e, 0x74, 0x5f, 0x71, 0xfe, 0x29, 0x64, 0xa2, 0xa8, 0x67, 0xdb, 0x2e, 0x31, 0x39,
-	0x81, 0x20, 0x5b, 0xfe, 0x63, 0x45, 0x7d, 0x23, 0x07, 0x87, 0x83, 0x68, 0x75, 0x85, 0x68, 0x75,
-	0x82, 0x59, 0x33, 0x95, 0x0c, 0xc0, 0xc3, 0xfc, 0xc5, 0xc4, 0xb4, 0x6b, 0x2d, 0x6b, 0x54, 0xee,
-	0xc5, 0x63, 0x33, 0x48, 0xaf, 0xda, 0xab, 0x8c, 0xc9, 0x29, 0xfc, 0x4f, 0x16, 0x07, 0xe1, 0x66,
-	0x39, 0xf8, 0x6b, 0xb3, 0x3a, 0xd8, 0x6c, 0x2d, 0x37, 0x1c, 0x82, 0x77, 0x51, 0x75, 0x0e, 0xc0,
-	0xbf, 0x9b, 0x5c, 0x4d, 0xa6, 0x0f, 0x93, 0xfe, 0x3f, 0xd2, 0x03, 0xf7, 0x72, 0x7a, 0x7b, 0x73,
-	0xdd, 0x77, 0xce, 0xfc, 0x47, 0xd7, 0xf6, 0x78, 0xf2, 0xec, 0x1b, 0x3a, 0xfa, 0x09, 0x00, 0x00,
-	0xff, 0xff, 0x6a, 0xfb, 0xe7, 0x86, 0x60, 0x02, 0x00, 0x00,
+	// 326 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x6c, 0x52, 0xcf, 0x4b, 0xc3, 0x30,
+	0x14, 0x76, 0x3f, 0xda, 0x6e, 0xaf, 0x1e, 0x46, 0x90, 0x11, 0x3d, 0xc8, 0xe8, 0xc9, 0x53, 0x07,
+	0x0a, 0x22, 0x1e, 0x45, 0xf1, 0xa0, 0xdb, 0x64, 0x28, 0xc2, 0x6e, 0xb1, 0x7d, 0xb8, 0xa0, 0x4d,
+	0x4a, 0x12, 0x95, 0xfd, 0xc7, 0xfe, 0x19, 0x26, 0x69, 0xb7, 0x75, 0xb8, 0x43, 0xe1, 0x7d, 0xdf,
+	0x97, 0x7c, 0xef, 0xbd, 0xaf, 0x81, 0xe3, 0x25, 0x2b, 0xf9, 0x38, 0x5b, 0x32, 0x65, 0xc6, 0x05,
+	0x1a, 0x96, 0x33, 0xc3, 0xd2, 0x52, 0x49, 0x23, 0x09, 0x38, 0x29, 0xf5, 0x52, 0x72, 0x09, 0x30,
+	0x61, 0x5c, 0x18, 0xfb, 0xa1, 0x22, 0x04, 0xba, 0x82, 0x15, 0x48, 0x5b, 0xa3, 0xd6, 0x59, 0x7f,
+	0xee, 0x6b, 0x72, 0x04, 0x01, 0x16, 0x8c, 0x7f, 0xd2, 0xb6, 0x27, 0x2b, 0x90, 0x2c, 0x00, 0x6e,
+	0xb1, 0x44, 0x91, 0xa3, 0xc8, 0x56, 0x7b, 0xef, 0x9d, 0x02, 0x28, 0x2c, 0xa5, 0xe6, 0x46, 0xaa,
+	0x55, 0x7d, 0xb9, 0xc1, 0x10, 0x0a, 0xd1, 0x37, 0x2a, 0xcd, 0xa5, 0xa0, 0x1d, 0x2f, 0xae, 0x61,
+	0xf2, 0xdb, 0x86, 0xde, 0xa4, 0x1e, 0x79, 0xaf, 0xb5, 0xe5, 0x96, 0xd2, 0x72, 0x95, 0xa9, 0xaf,
+	0x9d, 0x9d, 0x96, 0x5f, 0x2a, 0x43, 0x6d, 0xed, 0x3a, 0xce, 0xae, 0x86, 0xcd, 0x46, 0xdd, 0x9d,
+	0x46, 0x64, 0x04, 0x71, 0x8e, 0x3a, 0x53, 0xbc, 0x34, 0x4e, 0x0d, 0xbc, 0xda, 0xa4, 0xc8, 0x09,
+	0xf4, 0x3e, 0x70, 0xf5, 0x23, 0x55, 0xae, 0x69, 0xe8, 0x6d, 0x37, 0x98, 0x5c, 0x41, 0x5c, 0x6c,
+	0xa2, 0xd3, 0x34, 0xb2, 0x72, 0x7c, 0x3e, 0x4c, 0xb7, 0xe1, 0xa6, 0xdb, 0x64, 0xe7, 0xcd, 0xa3,
+	0x64, 0x08, 0x21, 0x8a, 0x77, 0x5b, 0xd3, 0x9e, 0x6f, 0x59, 0x23, 0xb7, 0x17, 0xcf, 0xec, 0x20,
+	0xfd, 0x6a, 0x2f, 0x57, 0x93, 0x6b, 0x38, 0xcc, 0xd7, 0x41, 0x73, 0xbb, 0x1c, 0xfc, 0x6f, 0xb3,
+	0xfd, 0x11, 0xf3, 0x9d, 0xb3, 0xc9, 0x08, 0xc2, 0xbb, 0xca, 0x39, 0x86, 0xe8, 0x65, 0xfa, 0x30,
+	0x9d, 0xbd, 0x4e, 0x07, 0x07, 0xa4, 0x0f, 0xc1, 0xfd, 0xec, 0xf9, 0xe9, 0x71, 0xd0, 0xba, 0x89,
+	0x16, 0x81, 0xf7, 0x78, 0x0b, 0xfd, 0xd3, 0xb8, 0xf8, 0x0b, 0x00, 0x00, 0xff, 0xff, 0xb4, 0xec,
+	0x4d, 0xaf, 0x37, 0x02, 0x00, 0x00,
 }

pkg/proto/hapi/services/tiller.pb.go

@@ -22,6 +22,8 @@ It has these top-level messages:
 	InstallReleaseResponse
 	UninstallReleaseRequest
 	UninstallReleaseResponse
+	GetVersionRequest
+	GetVersionResponse
 */
 package services
 
@@ -33,6 +35,7 @@ import hapi_chart "k8s.io/helm/pkg/proto/hapi/chart"
 import hapi_release3 "k8s.io/helm/pkg/proto/hapi/release"
 import hapi_release2 "k8s.io/helm/pkg/proto/hapi/release"
 import hapi_release1 "k8s.io/helm/pkg/proto/hapi/release"
+import hapi_version "k8s.io/helm/pkg/proto/hapi/version"
 
 import (
 	context "golang.org/x/net/context"
@@ -366,6 +369,31 @@ func (m *UninstallReleaseResponse) GetRelease() *hapi_release3.Release {
 	return nil
 }
 
+// GetVersionRequest requests for version information.
+type GetVersionRequest struct {
+}
+
+func (m *GetVersionRequest) Reset()                    { *m = GetVersionRequest{} }
+func (m *GetVersionRequest) String() string            { return proto.CompactTextString(m) }
+func (*GetVersionRequest) ProtoMessage()               {}
+func (*GetVersionRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{13} }
+
+type GetVersionResponse struct {
+	Version *hapi_version.Version `protobuf:"bytes,1,opt,name=Version,json=version" json:"Version,omitempty"`
+}
+
+func (m *GetVersionResponse) Reset()                    { *m = GetVersionResponse{} }
+func (m *GetVersionResponse) String() string            { return proto.CompactTextString(m) }
+func (*GetVersionResponse) ProtoMessage()               {}
+func (*GetVersionResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{14} }
+
+func (m *GetVersionResponse) GetVersion() *hapi_version.Version {
+	if m != nil {
+		return m.Version
+	}
+	return nil
+}
+
 func init() {
 	proto.RegisterType((*ListReleasesRequest)(nil), "hapi.services.tiller.ListReleasesRequest")
 	proto.RegisterType((*ListSort)(nil), "hapi.services.tiller.ListSort")
@@ -380,6 +408,8 @@ func init() {
 	proto.RegisterType((*InstallReleaseResponse)(nil), "hapi.services.tiller.InstallReleaseResponse")
 	proto.RegisterType((*UninstallReleaseRequest)(nil), "hapi.services.tiller.UninstallReleaseRequest")
 	proto.RegisterType((*UninstallReleaseResponse)(nil), "hapi.services.tiller.UninstallReleaseResponse")
+	proto.RegisterType((*GetVersionRequest)(nil), "hapi.services.tiller.GetVersionRequest")
+	proto.RegisterType((*GetVersionResponse)(nil), "hapi.services.tiller.GetVersionResponse")
 	proto.RegisterEnum("hapi.services.tiller.ListSort_SortBy", ListSort_SortBy_name, ListSort_SortBy_value)
 	proto.RegisterEnum("hapi.services.tiller.ListSort_SortOrder", ListSort_SortOrder_name, ListSort_SortOrder_value)
 }
@@ -410,6 +440,8 @@ type ReleaseServiceClient interface {
 	InstallRelease(ctx context.Context, in *InstallReleaseRequest, opts ...grpc.CallOption) (*InstallReleaseResponse, error)
 	// UninstallRelease requests deletion of a named release.
 	UninstallRelease(ctx context.Context, in *UninstallReleaseRequest, opts ...grpc.CallOption) (*UninstallReleaseResponse, error)
+	// GetVersion returns the current version of the server.
+	GetVersion(ctx context.Context, in *GetVersionRequest, opts ...grpc.CallOption) (*GetVersionResponse, error)
 }
 
 type releaseServiceClient struct {
@@ -497,6 +529,15 @@ func (c *releaseServiceClient) UninstallRelease(ctx context.Context, in *Uninsta
 	return out, nil
 }
 
+func (c *releaseServiceClient) GetVersion(ctx context.Context, in *GetVersionRequest, opts ...grpc.CallOption) (*GetVersionResponse, error) {
+	out := new(GetVersionResponse)
+	err := grpc.Invoke(ctx, "/hapi.services.tiller.ReleaseService/GetVersion", in, out, c.cc, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // Server API for ReleaseService service
 
 type ReleaseServiceServer interface {
@@ -515,6 +556,8 @@ type ReleaseServiceServer interface {
 	InstallRelease(context.Context, *InstallReleaseRequest) (*InstallReleaseResponse, error)
 	// UninstallRelease requests deletion of a named release.
 	UninstallRelease(context.Context, *UninstallReleaseRequest) (*UninstallReleaseResponse, error)
+	// GetVersion returns the current version of the server.
+	GetVersion(context.Context, *GetVersionRequest) (*GetVersionResponse, error)
 }
 
 func RegisterReleaseServiceServer(s *grpc.Server, srv ReleaseServiceServer) {
@@ -602,6 +645,18 @@ func _ReleaseService_UninstallRelease_Handler(srv interface{}, ctx context.Conte
 	return out, nil
 }
 
+func _ReleaseService_GetVersion_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error) (interface{}, error) {
+	in := new(GetVersionRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	out, err := srv.(ReleaseServiceServer).GetVersion(ctx, in)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 var _ReleaseService_serviceDesc = grpc.ServiceDesc{
 	ServiceName: "hapi.services.tiller.ReleaseService",
 	HandlerType: (*ReleaseServiceServer)(nil),
@@ -626,6 +681,10 @@ var _ReleaseService_serviceDesc = grpc.ServiceDesc{
 			MethodName: "UninstallRelease",
 			Handler:    _ReleaseService_UninstallRelease_Handler,
 		},
+		{
+			MethodName: "GetVersion",
+			Handler:    _ReleaseService_GetVersion_Handler,
+		},
 	},
 	Streams: []grpc.StreamDesc{
 		{
@@ -637,58 +696,61 @@ var _ReleaseService_serviceDesc = grpc.ServiceDesc{
 }
 
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+	0xc7, 0x81, 0xda, 0xc5, 0x4b, 0xf8, 0xb9, 0xa6, 0x71, 0x37, 0xa6, 0xf8, 0xfb, 0xf7, 0xcd, 0x7f,
+	0x01, 0x00, 0x00, 0xff, 0xff, 0x14, 0xb2, 0x9f, 0x07, 0xcf, 0x0a, 0x00, 0x00,
 }

pkg/proto/hapi/version/version.pb.go

+// Code generated by protoc-gen-go.
+// source: hapi/version/version.proto
+// DO NOT EDIT!
+
+/*
+Package version is a generated protocol buffer package.
+
+It is generated from these files:
+	hapi/version/version.proto
+
+It has these top-level messages:
+	Version
+*/
+package version
+
+import proto "github.com/golang/protobuf/proto"
+import fmt "fmt"
+import math "math"
+
+// Reference imports to suppress errors if they are not otherwise used.
+var _ = proto.Marshal
+var _ = fmt.Errorf
+var _ = math.Inf
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the proto package it is being compiled against.
+const _ = proto.ProtoPackageIsVersion1
+
+type Version struct {
+	// Sem ver string for the version
+	SemVer       string `protobuf:"bytes,1,opt,name=sem_ver,json=semVer" json:"sem_ver,omitempty"`
+	GitCommit    string `protobuf:"bytes,2,opt,name=git_commit,json=gitCommit" json:"git_commit,omitempty"`
+	GitTreeState string `protobuf:"bytes,3,opt,name=git_tree_state,json=gitTreeState" json:"git_tree_state,omitempty"`
+}
+
+func (m *Version) Reset()                    { *m = Version{} }
+func (m *Version) String() string            { return proto.CompactTextString(m) }
+func (*Version) ProtoMessage()               {}
+func (*Version) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
+
+func init() {
+	proto.RegisterType((*Version)(nil), "hapi.version.Version")
+}
+
+var fileDescriptor0 = []byte{
+	// 144 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x92, 0xca, 0x48, 0x2c, 0xc8,
+	0xd4, 0x2f, 0x4b, 0x2d, 0x2a, 0xce, 0xcc, 0xcf, 0x83, 0xd1, 0x7a, 0x05, 0x45, 0xf9, 0x25, 0xf9,
+	0x42, 0x3c, 0x20, 0x39, 0x3d, 0xa8, 0x98, 0x52, 0x3a, 0x17, 0x7b, 0x18, 0x84, 0x29, 0x24, 0xce,
+	0xc5, 0x5e, 0x9c, 0x9a, 0x1b, 0x0f, 0x94, 0x91, 0x60, 0x54, 0x60, 0xd4, 0xe0, 0x0c, 0x62, 0x03,
+	0x72, 0x81, 0x92, 0x42, 0xb2, 0x5c, 0x5c, 0xe9, 0x99, 0x25, 0xf1, 0xc9, 0xf9, 0xb9, 0xb9, 0x99,
+	0x25, 0x12, 0x4c, 0x60, 0x39, 0x4e, 0xa0, 0x88, 0x33, 0x58, 0x40, 0x48, 0x85, 0x8b, 0x0f, 0x24,
+	0x5d, 0x52, 0x94, 0x9a, 0x1a, 0x5f, 0x5c, 0x92, 0x58, 0x92, 0x2a, 0xc1, 0x0c, 0x56, 0xc2, 0x03,
+	0x14, 0x0d, 0x01, 0x0a, 0x06, 0x83, 0xc4, 0x9c, 0x38, 0xa3, 0xd8, 0xa1, 0x76, 0x26, 0xb1, 0x81,
+	0x1d, 0x62, 0x0c, 0x08, 0x00, 0x00, 0xff, 0xff, 0x20, 0xcc, 0x0e, 0x1b, 0xa6, 0x00, 0x00, 0x00,
+}

pkg/version/version.go

@@ -17,10 +17,37 @@ limitations under the License.
 // Package version represents the current version of the project.
 package version // import "k8s.io/helm/pkg/version"
 
+import (
+	"k8s.io/helm/pkg/proto/hapi/version"
+)
+
 // Version is the current version of the Helm.
 // Update this whenever making a new release.
-// The version is of the format Major.Minor.Patch
+// The version is of the format Major.Minor.Patch[-Prerelease][+BuildMetadata]
+//
 // Increment major number for new feature additions and behavioral changes.
 // Increment minor number for bug fixes and performance enhancements.
 // Increment patch number for critical fixes to existing releases.
+//
+// BuildMetadata gets filled in during build, do not touch
+// GitCommit gets filled in during build, do not touch
 var Version = "v2.0.0-alpha.4"
+var BuildMetadata = ""
+var GitCommit = ""
+
+// GetVersion returns the semver string of the version
+
+func GetVersion() string {
+	if BuildMetadata == "" {
+		return Version
+	}
+	return Version + "+" + BuildMetadata
+}
+
+// GetVersionProto returns protobuf representing the version
+func GetVersionProto() version.Version {
+	return version.Version{
+		SemVer:    GetVersion(),
+		GitCommit: GitCommit,
+	}
+}

versioning.mk

 MUTABLE_VERSION ?= canary
 
+GIT_COMMIT := $(shell git rev-parse HEAD)
 GIT_SHA := $(shell git rev-parse --short HEAD)
 GIT_TAG := $(shell git describe --tags --abbrev=0 2>/dev/null)
 
@@ -9,12 +10,13 @@ ifdef VERSION
 endif
 
 DOCKER_VERSION ?= git-${GIT_SHA}
-BINARY_VERSION ?= ${GIT_TAG}+${GIT_SHA}
+BINARY_VERSION ?= ${GIT_TAG}-${GIT_SHA}
 
 IMAGE := ${DOCKER_REGISTRY}/${IMAGE_PREFIX}/${SHORT_NAME}:${DOCKER_VERSION}
 MUTABLE_IMAGE := ${DOCKER_REGISTRY}/${IMAGE_PREFIX}/${SHORT_NAME}:${MUTABLE_VERSION}
 
-LDFLAGS += -X k8s.io/helm/pkg/version.Version=${BINARY_VERSION}
+LDFLAGS += -X k8s.io/helm/pkg/version.SemVer=${GIT_TAG}
+LDFLAGS += -X k8s.io/helm/pkg/version.GitCommit=${GIT_COMMIT}
 
 DOCKER_PUSH = docker push
 ifeq ($(DOCKER_REGISTRY),gcr.io)