ref(cmd,pkg/helm): remove server side version

cmd/helm/version.go

@@ -17,15 +17,11 @@ limitations under the License.
 package main
 
 import (
-	"errors"
 	"fmt"
 	"io"
 
 	"github.com/spf13/cobra"
-	"google.golang.org/grpc"
-	"google.golang.org/grpc/codes"
 
-	apiVersion "k8s.io/apimachinery/pkg/version"
 	"k8s.io/helm/pkg/helm"
 	pb "k8s.io/helm/pkg/proto/hapi/version"
 	"k8s.io/helm/pkg/version"
@@ -50,41 +46,23 @@ use '--server'.
 `
 
 type versionCmd struct {
-	out        io.Writer
-	client     helm.Interface
-	showClient bool
-	showServer bool
-	short      bool
-	template   string
+	out      io.Writer
+	short    bool
+	template string
 }
 
 func newVersionCmd(c helm.Interface, out io.Writer) *cobra.Command {
-	version := &versionCmd{
-		client: c,
-		out:    out,
-	}
+	version := &versionCmd{out: out}
 
 	cmd := &cobra.Command{
 		Use:   "version",
-		Short: "print the client/server version information",
+		Short: "print the client version information",
 		Long:  versionDesc,
 		RunE: func(cmd *cobra.Command, args []string) error {
-			// If neither is explicitly set, show both.
-			if !version.showClient && !version.showServer {
-				version.showClient, version.showServer = true, true
-			}
-			if version.showServer {
-				// We do this manually instead of in PreRun because we only
-				// need a tunnel if server version is requested.
-				setupConnection()
-			}
-			version.client = ensureHelmClient(version.client)
 			return version.run()
 		},
 	}
 	f := cmd.Flags()
-	f.BoolVarP(&version.showClient, "client", "c", false, "client version only")
-	f.BoolVarP(&version.showServer, "server", "s", false, "server version only")
 	f.BoolVar(&version.short, "short", false, "print the version number")
 	f.StringVar(&version.template, "template", "", "template for version string format")
 
@@ -95,52 +73,13 @@ func (v *versionCmd) run() error {
 	// Store map data for template rendering
 	data := map[string]interface{}{}
 
-	if v.showClient {
-		cv := version.GetVersionProto()
-		if v.template != "" {
-			data["Client"] = cv
-		} else {
-			fmt.Fprintf(v.out, "Client: %s\n", formatVersion(cv, v.short))
-		}
-	}
-
-	if !v.showServer {
-		return tpl(v.template, data, v.out)
-	}
-
-	if settings.Debug {
-		k8sVersion, err := getK8sVersion()
-		if err != nil {
-			return err
-		}
-		fmt.Fprintf(v.out, "Kubernetes: %#v\n", k8sVersion)
-	}
-
-	resp, err := v.client.GetVersion()
-	if err != nil {
-		if grpc.Code(err) == codes.Unimplemented {
-			return errors.New("server is too old to know its version")
-		}
-		debug("%s", err)
-		return errors.New("cannot connect to Tiller")
-	}
-
+	cv := version.GetVersionProto()
 	if v.template != "" {
-		data["Server"] = resp.Version
-	} else {
-		fmt.Fprintf(v.out, "Server: %s\n", formatVersion(resp.Version, v.short))
-	}
-	return tpl(v.template, data, v.out)
-}
-
-func getK8sVersion() (*apiVersion.Info, error) {
-	var v *apiVersion.Info
-	_, client, err := getKubeClient(settings.KubeContext)
-	if err != nil {
-		return v, err
+		data["Client"] = cv
+		return tpl(v.template, data, v.out)
 	}
-	v, err = client.Discovery().ServerVersion()
-	return v, err
+	fmt.Fprintf(v.out, "Client: %s\n", formatVersion(cv, v.short))
+	return nil
 }
 
 func formatVersion(v *pb.Version, short bool) string {

cmd/helm/version_test.go

@@ -29,33 +29,19 @@ import (
 
 func TestVersion(t *testing.T) {
 	lver := regexp.QuoteMeta(version.GetVersionProto().SemVer)
-	sver := regexp.QuoteMeta("1.2.3-fakeclient+testonly")
 	clientVersion := fmt.Sprintf("Client: &version\\.Version{SemVer:\"%s\", GitCommit:\"\", GitTreeState:\"\"}\n", lver)
-	serverVersion := fmt.Sprintf("Server: &version\\.Version{SemVer:\"%s\", GitCommit:\"\", GitTreeState:\"\"}\n", sver)
 
 	tests := []releaseCase{
 		{
 			name:     "default",
 			args:     []string{},
-			expected: clientVersion + serverVersion,
-		},
-		{
-			name:     "client",
-			args:     []string{},
-			flags:    []string{"-c"},
 			expected: clientVersion,
 		},
-		{
-			name:     "server",
-			args:     []string{},
-			flags:    []string{"-s"},
-			expected: serverVersion,
-		},
 		{
 			name:     "template",
 			args:     []string{},
-			flags:    []string{"--template", "{{ .Client.SemVer }} {{ .Server.SemVer }}"},
-			expected: lver + " " + sver,
+			flags:    []string{"--template", "{{ .Client.SemVer }}"},
+			expected: lver,
 		},
 	}
 	settings.TillerHost = "fake-localhost"

pkg/helm/client.go

@@ -193,23 +193,6 @@ func (h *Client) UpdateReleaseFromChart(rlsName string, chart *chart.Chart, opts
 	return h.update(ctx, req)
 }
 
-// GetVersion returns the server version.
-func (h *Client) GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error) {
-	reqOpts := h.opts
-	for _, opt := range opts {
-		opt(&reqOpts)
-	}
-	req := &rls.GetVersionRequest{}
-	ctx := NewContext()
-
-	if reqOpts.before != nil {
-		if err := reqOpts.before(ctx, req); err != nil {
-			return nil, err
-		}
-	}
-	return h.version(ctx, req)
-}
-
 // RollbackRelease rolls back a release to the previous version.
 func (h *Client) RollbackRelease(rlsName string, opts ...RollbackOption) (*rls.RollbackReleaseResponse, error) {
 	reqOpts := h.opts

pkg/helm/fake.go

@@ -23,10 +23,10 @@ import (
 	"sync"
 
 	"github.com/golang/protobuf/ptypes/timestamp"
+
 	"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"
 )
 
 // FakeClient implements Interface
@@ -98,15 +98,6 @@ func (c *FakeClient) DeleteRelease(rlsName string, opts ...DeleteOption) (*rls.U
 	return nil, fmt.Errorf("No such release: %s", rlsName)
 }
 
-// GetVersion returns a fake version
-func (c *FakeClient) GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error) {
-	return &rls.GetVersionResponse{
-		Version: &version.Version{
-			SemVer: "1.2.3-fakeclient+testonly",
-		},
-	}, nil
-}
-
 // UpdateRelease returns an UpdateReleaseResponse containing the updated release, if it exists
 func (c *FakeClient) UpdateRelease(rlsName string, chStr string, opts ...UpdateOption) (*rls.UpdateReleaseResponse, error) {
 	return c.UpdateReleaseFromChart(rlsName, &chart.Chart{}, opts...)

pkg/helm/interface.go

@@ -33,7 +33,6 @@ type Interface interface {
 	RollbackRelease(rlsName string, opts ...RollbackOption) (*rls.RollbackReleaseResponse, error)
 	ReleaseContent(rlsName string, opts ...ContentOption) (*rls.GetReleaseContentResponse, error)
 	ReleaseHistory(rlsName string, opts ...HistoryOption) (*rls.GetHistoryResponse, error)
-	GetVersion(opts ...VersionOption) (*rls.GetVersionResponse, error)
 	RunReleaseTest(rlsName string, opts ...ReleaseTestOption) (<-chan *rls.TestReleaseResponse, <-chan error)
 	PingTiller() error
 }