Merge pull request #59 from technosophos/feat/helm-get-status

feat(tiller): implement get and status

_proto/hapi/services/tiller.proto

@@ -5,7 +5,7 @@ package hapi.services.tiller;
 import "hapi/chart/chart.proto";
 import "hapi/chart/config.proto";
 import "hapi/release/release.proto";
-import "hapi/release/status.proto";
+import "hapi/release/info.proto";
 
 option go_package = "services";
 
@@ -89,55 +89,39 @@ message ListReleasesRequest {
 message ListReleasesResponse {
  	// The expected total number of releases to be returned
 	int64 count  = 1;
-	
+
 	// The zero-based offset at which the list is positioned
 	int64 offset = 2;
-	
+
 	// The total number of queryable releases
 	int64 total  = 3;
-	
+
 	// The resulting releases
 	repeated hapi.release.Release releases = 4;
 }
 
-//
-// GetReleaseStatusRequest:
-//
-//		TODO
-//
+// GetReleaseStatusRequest is a request to get the status of a release.
 message GetReleaseStatusRequest {
-	// The name of the release
-	string release_name = 1;
+	// Name is the name of the release
+	string name = 1;
 }
 
-//
-// GetReleaseStatusResponse:
-//
-//		TODO
-//
+// GetReleaseStatusResponse is the response indicating the status of the named release.
 message GetReleaseStatusResponse {
-	// The name of the release
-	string release_name = 1;
-	
-	// The release status
-	hapi.release.Status release_status = 2;
+	// Name is the name of the release.
+	string name = 1;
+
+	// Info contains information about the release.
+	hapi.release.Info info = 2;
 }
 
-//
-// GetReleaseContentRequest:
-//
-//		TODO
-//
+// GetReleaseContentRequest is a request to get the contents of a release.
 message GetReleaseContentRequest {
 	// The name of the release
-	string release_name = 1;
+	string name = 1;
 }
 
-//
-// GetReleaseContentResponse:
-//
-//		TODO
-//
+// GetReleaseContentResponse is a response containing the contents of a release.
 message GetReleaseContentResponse {
 	// The release content
 	hapi.release.Release release = 1;

cmd/helm/get.go

@@ -0,0 +1,53 @@
+package main
+
+import (
+	"errors"
+	"fmt"
+
+	"github.com/deis/tiller/pkg/helm"
+	"github.com/spf13/cobra"
+)
+
+var getHelp = `
+This command shows the details of a named release.
+
+It can be used to get extended information about the release, including:
+
+  - The values used to generate the release
+  - The chart used to generate the release
+  - The generated manifest file
+
+By default, this prints a human readable collection of information about the
+chart, the supplied values, and the generated manifest file.
+`
+
+var errReleaseRequired = errors.New("release name is required")
+
+var getCommand = &cobra.Command{
+	Use:   "get [flags] RELEASE_NAME",
+	Short: "Download a named release",
+	Long:  getHelp,
+	RunE:  getCmd,
+}
+
+func init() {
+	RootCommand.AddCommand(getCommand)
+}
+
+func getCmd(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return errReleaseRequired
+	}
+
+	res, err := helm.GetReleaseContent(args[0])
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("Chart/Version: %s %s\n", res.Release.Chart.Metadata.Name, res.Release.Chart.Metadata.Version)
+	fmt.Println("Config:")
+	fmt.Println(res.Release.Config)
+	fmt.Println("\nManifest:")
+	fmt.Println(res.Release.Manifest)
+	return nil
+}

cmd/helm/status.go

@@ -0,0 +1,44 @@
+package main
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/deis/tiller/pkg/helm"
+	"github.com/deis/tiller/pkg/timeconv"
+	"github.com/spf13/cobra"
+)
+
+var statusHelp = `
+This command shows the status of a named release.
+`
+
+var statusCommand = &cobra.Command{
+	Use:   "status [flags] RELEASE_NAME",
+	Short: "Displays the status of the named release",
+	Long:  statusHelp,
+	RunE:  status,
+}
+
+func init() {
+	RootCommand.AddCommand(statusCommand)
+}
+
+func status(cmd *cobra.Command, args []string) error {
+	if len(args) == 0 {
+		return errReleaseRequired
+	}
+
+	res, err := helm.GetReleaseStatus(args[0])
+	if err != nil {
+		return err
+	}
+
+	fmt.Printf("Last Deployed: %s\n", timeconv.Format(res.Info.LastDeployed, time.ANSIC))
+	fmt.Printf("Status: %s\n", res.Info.Status.Code)
+	if res.Info.Status.Details != nil {
+		fmt.Printf("Details: %s\n", res.Info.Status.Details)
+	}
+
+	return nil
+}

cmd/tiller/release_server.go

@@ -4,12 +4,11 @@ import (
 	"bytes"
 	"errors"
 	"log"
-	"time"
 
 	"github.com/deis/tiller/cmd/tiller/environment"
 	"github.com/deis/tiller/pkg/proto/hapi/release"
 	"github.com/deis/tiller/pkg/proto/hapi/services"
-	"github.com/golang/protobuf/ptypes/timestamp"
+	"github.com/deis/tiller/pkg/timeconv"
 	"github.com/technosophos/moniker"
 	ctx "golang.org/x/net/context"
 )
@@ -39,11 +38,25 @@ func (s *releaseServer) ListReleases(req *services.ListReleasesRequest, stream s
 }
 
 func (s *releaseServer) GetReleaseStatus(c ctx.Context, req *services.GetReleaseStatusRequest) (*services.GetReleaseStatusResponse, error) {
-	return nil, errNotImplemented
+	if req.Name == "" {
+		return nil, errMissingRelease
+	}
+	rel, err := s.env.Releases.Read(req.Name)
+	if err != nil {
+		return nil, err
+	}
+	if rel.Info == nil {
+		return nil, errors.New("release info is missing")
+	}
+	return &services.GetReleaseStatusResponse{Info: rel.Info}, nil
 }
 
 func (s *releaseServer) GetReleaseContent(c ctx.Context, req *services.GetReleaseContentRequest) (*services.GetReleaseContentResponse, error) {
-	return nil, errNotImplemented
+	if req.Name == "" {
+		return nil, errMissingRelease
+	}
+	rel, err := s.env.Releases.Read(req.Name)
+	return &services.GetReleaseContentResponse{Release: rel}, err
 }
 
 func (s *releaseServer) UpdateRelease(c ctx.Context, req *services.UpdateReleaseRequest) (*services.UpdateReleaseResponse, error) {
@@ -59,7 +72,7 @@ func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallRelea
 	namer := moniker.New()
 	// TODO: Make sure this is unique.
 	name := namer.NameSep("-")
-	ts := now()
+	ts := timeconv.Now()
 
 	// Render the templates
 	files, err := s.env.EngineYard.Default().Render(req.Chart, req.Values)
@@ -102,15 +115,6 @@ func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallRelea
 	return &services.InstallReleaseResponse{Release: r}, nil
 }
 
-func now() *timestamp.Timestamp {
-	t := time.Now()
-	ts := &timestamp.Timestamp{
-		Seconds: t.Unix(),
-		Nanos:   int32(t.Nanosecond()),
-	}
-	return ts
-}
-
 func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
 	if req.Name == "" {
 		log.Printf("uninstall: Release not found: %s", req.Name)
@@ -125,7 +129,7 @@ func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallR
 
 	log.Printf("uninstall: Deleting %s", req.Name)
 	rel.Info.Status.Code = release.Status_DELETED
-	rel.Info.Deleted = now()
+	rel.Info.Deleted = timeconv.Now()
 
 	// TODO: Once KubeClient is ready, delete the resources.
 	log.Println("WARNING: Currently not deleting resources from k8s")

cmd/tiller/release_server_test.go

@@ -9,6 +9,8 @@ import (
 	"github.com/deis/tiller/pkg/proto/hapi/release"
 	"github.com/deis/tiller/pkg/proto/hapi/services"
 	"github.com/deis/tiller/pkg/storage"
+	"github.com/deis/tiller/pkg/timeconv"
+	"github.com/golang/protobuf/ptypes/timestamp"
 	"golang.org/x/net/context"
 )
 
@@ -18,6 +20,28 @@ func rsFixture() *releaseServer {
 	}
 }
 
+func releaseMock() *release.Release {
+	date := timestamp.Timestamp{242085845, 0}
+	return &release.Release{
+		Name: "angry-panda",
+		Info: &release.Info{
+			FirstDeployed: &date,
+			LastDeployed:  &date,
+			Status:        &release.Status{Code: release.Status_DEPLOYED},
+		},
+		Chart: &chart.Chart{
+			Metadata: &chart.Metadata{
+				Name:    "foo",
+				Version: "0.1.0-beta.1",
+			},
+			Templates: []*chart.Template{
+				{Name: "foo.tpl", Data: []byte("Hello")},
+			},
+		},
+		Config: &chart.Config{Raw: `name = "value"`},
+	}
+}
+
 func TestInstallRelease(t *testing.T) {
 	c := context.Background()
 	rs := rsFixture()
@@ -104,7 +128,7 @@ func TestUninstallRelease(t *testing.T) {
 	rs.env.Releases.Create(&release.Release{
 		Name: "angry-panda",
 		Info: &release.Info{
-			FirstDeployed: now(),
+			FirstDeployed: timeconv.Now(),
 			Status: &release.Status{
 				Code: release.Status_DEPLOYED,
 			},
@@ -133,6 +157,42 @@ func TestUninstallRelease(t *testing.T) {
 	}
 }
 
+func TestGetReleaseContent(t *testing.T) {
+	c := context.Background()
+	rs := rsFixture()
+	rel := releaseMock()
+	if err := rs.env.Releases.Create(rel); err != nil {
+		t.Fatalf("Could not store mock release: %s", err)
+	}
+
+	res, err := rs.GetReleaseContent(c, &services.GetReleaseContentRequest{Name: rel.Name})
+	if err != nil {
+		t.Errorf("Error getting release content: %s", err)
+	}
+
+	if res.Release.Chart.Metadata.Name != rel.Chart.Metadata.Name {
+		t.Errorf("Expected %q, got %q", rel.Chart.Metadata.Name, res.Release.Chart.Metadata.Name)
+	}
+}
+
+func TestGetReleaseStatus(t *testing.T) {
+	c := context.Background()
+	rs := rsFixture()
+	rel := releaseMock()
+	if err := rs.env.Releases.Create(rel); err != nil {
+		t.Fatalf("Could not store mock release: %s", err)
+	}
+
+	res, err := rs.GetReleaseStatus(c, &services.GetReleaseStatusRequest{Name: rel.Name})
+	if err != nil {
+		t.Errorf("Error getting release content: %s", err)
+	}
+
+	if res.Info.Status.Code != release.Status_DEPLOYED {
+		t.Errorf("Expected %d, got %d", release.Status_DEPLOYED, res.Info.Status.Code)
+	}
+}
+
 func mockEnvironment() *environment.Environment {
 	e := environment.New()
 	e.Releases = storage.NewMemory()

pkg/helm/helm.go

@@ -4,6 +4,7 @@ import (
 	"github.com/deis/tiller/pkg/chart"
 	chartpb "github.com/deis/tiller/pkg/proto/hapi/chart"
 	"github.com/deis/tiller/pkg/proto/hapi/services"
+	"golang.org/x/net/context"
 )
 
 // Config defines a gRPC client's configuration.
@@ -19,12 +20,26 @@ func ListReleases(limit, offset int) (<-chan *services.ListReleasesResponse, err
 
 // GetReleaseStatus returns the given release's status.
 func GetReleaseStatus(name string) (*services.GetReleaseStatusResponse, error) {
-	return nil, errNotImplemented
+	c := Config.client()
+	if err := c.dial(); err != nil {
+		return nil, err
+	}
+	defer c.Close()
+
+	req := &services.GetReleaseStatusRequest{Name: name}
+	return c.impl.GetReleaseStatus(context.TODO(), req, c.cfg.CallOpts()...)
 }
 
 // GetReleaseContent returns the configuration for a given release.
 func GetReleaseContent(name string) (*services.GetReleaseContentResponse, error) {
-	return nil, errNotImplemented
+	c := Config.client()
+	if err := c.dial(); err != nil {
+		return nil, err
+	}
+	defer c.Close()
+
+	req := &services.GetReleaseContentRequest{Name: name}
+	return c.impl.GetReleaseContent(context.TODO(), req, c.cfg.CallOpts()...)
 }
 
 // UpdateRelease updates a release to a new/different chart.

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

@@ -10,7 +10,7 @@ import math "math"
 import hapi_chart3 "github.com/deis/tiller/pkg/proto/hapi/chart"
 import hapi_chart "github.com/deis/tiller/pkg/proto/hapi/chart"
 import hapi_release2 "github.com/deis/tiller/pkg/proto/hapi/release"
-import hapi_release "github.com/deis/tiller/pkg/proto/hapi/release"
+import hapi_release1 "github.com/deis/tiller/pkg/proto/hapi/release"
 
 import (
 	context "golang.org/x/net/context"
@@ -67,14 +67,10 @@ func (m *ListReleasesResponse) GetReleases() []*hapi_release2.Release {
 	return nil
 }
 
-//
-// GetReleaseStatusRequest:
-//
-// 		TODO
-//
+// GetReleaseStatusRequest is a request to get the status of a release.
 type GetReleaseStatusRequest struct {
-	// The name of the release
-	ReleaseName string `protobuf:"bytes,1,opt,name=release_name,json=releaseName" json:"release_name,omitempty"`
+	// Name is the name of the release
+	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
 }
 
 func (m *GetReleaseStatusRequest) Reset()                    { *m = GetReleaseStatusRequest{} }
@@ -82,16 +78,12 @@ func (m *GetReleaseStatusRequest) String() string            { return proto.Comp
 func (*GetReleaseStatusRequest) ProtoMessage()               {}
 func (*GetReleaseStatusRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{2} }
 
-//
-// GetReleaseStatusResponse:
-//
-// 		TODO
-//
+// GetReleaseStatusResponse is the response indicating the status of the named release.
 type GetReleaseStatusResponse struct {
-	// The name of the release
-	ReleaseName string `protobuf:"bytes,1,opt,name=release_name,json=releaseName" json:"release_name,omitempty"`
-	// The release status
-	ReleaseStatus *hapi_release.Status `protobuf:"bytes,2,opt,name=release_status,json=releaseStatus" json:"release_status,omitempty"`
+	// Name is the name of the release.
+	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+	// Info contains information about the release.
+	Info *hapi_release1.Info `protobuf:"bytes,2,opt,name=info" json:"info,omitempty"`
 }
 
 func (m *GetReleaseStatusResponse) Reset()                    { *m = GetReleaseStatusResponse{} }
@@ -99,21 +91,17 @@ func (m *GetReleaseStatusResponse) String() string            { return proto.Com
 func (*GetReleaseStatusResponse) ProtoMessage()               {}
 func (*GetReleaseStatusResponse) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{3} }
 
-func (m *GetReleaseStatusResponse) GetReleaseStatus() *hapi_release.Status {
+func (m *GetReleaseStatusResponse) GetInfo() *hapi_release1.Info {
 	if m != nil {
-		return m.ReleaseStatus
+		return m.Info
 	}
 	return nil
 }
 
-//
-// GetReleaseContentRequest:
-//
-// 		TODO
-//
+// GetReleaseContentRequest is a request to get the contents of a release.
 type GetReleaseContentRequest struct {
 	// The name of the release
-	ReleaseName string `protobuf:"bytes,1,opt,name=release_name,json=releaseName" json:"release_name,omitempty"`
+	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
 }
 
 func (m *GetReleaseContentRequest) Reset()                    { *m = GetReleaseContentRequest{} }
@@ -121,11 +109,7 @@ func (m *GetReleaseContentRequest) String() string            { return proto.Com
 func (*GetReleaseContentRequest) ProtoMessage()               {}
 func (*GetReleaseContentRequest) Descriptor() ([]byte, []int) { return fileDescriptor1, []int{4} }
 
-//
-// GetReleaseContentResponse:
-//
-// 		TODO
-//
+// GetReleaseContentResponse is a response containing the contents of a release.
 type GetReleaseContentResponse struct {
 	// The release content
 	Release *hapi_release2.Release `protobuf:"bytes,1,opt,name=release" json:"release,omitempty"`
@@ -544,40 +528,39 @@ var _ReleaseService_serviceDesc = grpc.ServiceDesc{
 }
 
 var fileDescriptor1 = []byte{
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+	// 540 bytes of a gzipped FileDescriptorProto
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 }

pkg/timeconv/doc.go

@@ -0,0 +1,7 @@
+/*Package timeconv contains utilities for converting time.
+
+The gRPC/Protobuf libraries contain time implementations that require conversion
+to and from Go times. This library provides utilities and convenience functions
+for performing conversions.
+*/
+package timeconv

pkg/timeconv/timeconv.go

@@ -0,0 +1,32 @@
+package timeconv
+
+import (
+	"time"
+
+	"github.com/golang/protobuf/ptypes/timestamp"
+)
+
+// Now creates a timestamp.Timestamp representing the current time.
+func Now() *timestamp.Timestamp {
+	return Timestamp(time.Now())
+}
+
+// Timestamp converts a time.Time to a protobuf *timestamp.Timestamp.
+func Timestamp(t time.Time) *timestamp.Timestamp {
+	return &timestamp.Timestamp{
+		Seconds: t.Unix(),
+		Nanos:   int32(t.Nanosecond()),
+	}
+}
+
+// Time converts a protobuf *timestamp.Timestamp to a time.Time.
+func Time(ts *timestamp.Timestamp) time.Time {
+	return time.Unix(ts.Seconds, int64(ts.Nanos))
+}
+
+// Format formats a *timestamp.Timestamp into a string.
+//
+// This follows the rules for time.Time.Format().
+func Format(ts *timestamp.Timestamp, layout string) string {
+	return Time(ts).Format(layout)
+}

pkg/timeconv/timeconv_test.go

@@ -0,0 +1,46 @@
+package timeconv
+
+import (
+	"testing"
+	"time"
+)
+
+func TestNow(t *testing.T) {
+	now := time.Now()
+	ts := Now()
+	var drift int64 = 5
+	if ts.Seconds < int64(now.Second())-drift {
+		t.Errorf("Unexpected time drift: %d", ts.Seconds)
+	}
+}
+
+func TestTimestamp(t *testing.T) {
+	now := time.Now()
+	ts := Timestamp(now)
+
+	if now.Unix() != ts.Seconds {
+		t.Errorf("Unexpected time drift: %d to %d", now.Second(), ts.Seconds)
+	}
+
+	if now.Nanosecond() != int(ts.Nanos) {
+		t.Errorf("Unexpected nano drift: %d to %d", now.Nanosecond(), ts.Nanos)
+	}
+}
+
+func TestTime(t *testing.T) {
+	nowts := Now()
+	now := Time(nowts)
+
+	if now.Unix() != nowts.Seconds {
+		t.Errorf("Unexpected time drift %d", now.Unix())
+	}
+}
+
+func TestFormat(t *testing.T) {
+	now := time.Now()
+	nowts := Timestamp(now)
+
+	if now.Format(time.ANSIC) != Format(nowts, time.ANSIC) {
+		t.Error("Format mismatch")
+	}
+}