feat(tiller): add template and release to install

_proto/hapi/chart/chart.proto

@@ -18,7 +18,7 @@ message Chart {
 	hapi.chart.Metadata metadata = 1;
 
 	// Templates for this chart.
-	hapi.chart.Templates templates = 2;
+	repeated hapi.chart.Template templates = 2;
 
 	// Charts that this chart depends on.
 	repeated Chart dependencies = 3;

_proto/hapi/chart/template.proto

@@ -4,20 +4,14 @@ package hapi.chart;
 
 option go_package = "chart";
 
+// Template represents a template as a name/value pair.
 //
-// Template:
-//		
-// 		TODO
-//
-message Templates {
-	// TODO
-	repeated Template templates = 1;
-}
-
+// By convention, name is a relative path within the scope of the chart's
+// base directory.
 message Template {
-	// TODO
-	string template_name = 1;
+  // Name is the path-like name of the template.
+	string name = 1;
 
-	// TODO
-	bytes template_data = 2;
+	// Data is the template as byte data.
+	bytes data = 2;
 }

cmd/tiller/environment/environment.go

@@ -3,6 +3,7 @@ package environment
 import (
 	"github.com/deis/tiller/pkg/engine"
 	"github.com/deis/tiller/pkg/hapi"
+	"github.com/deis/tiller/pkg/proto/hapi/chart"
 	"github.com/deis/tiller/pkg/storage"
 )
 
@@ -51,7 +52,7 @@ func (y EngineYard) Default() Engine {
 // An Engine must be capable of executing multiple concurrent requests, but
 // without tainting one request's environment with data from another request.
 type Engine interface {
-	Render(*hapi.Chart, *hapi.Values) (map[string]string, error)
+	Render(*chart.Chart, *chart.Config) (map[string]string, error)
 }
 
 // ReleaseStorage represents a storage engine for a Release.

cmd/tiller/environment/environment_test.go

@@ -4,13 +4,14 @@ import (
 	"testing"
 
 	"github.com/deis/tiller/pkg/hapi"
+	"github.com/deis/tiller/pkg/proto/hapi/chart"
 )
 
 type mockEngine struct {
 	out map[string]string
 }
 
-func (e *mockEngine) Render(chrt *hapi.Chart, v *hapi.Values) (map[string]string, error) {
+func (e *mockEngine) Render(chrt *chart.Chart, v *chart.Config) (map[string]string, error) {
 	return e.out, nil
 }
 
@@ -63,7 +64,7 @@ func TestEngine(t *testing.T) {
 
 	if engine, ok := env.EngineYard.Get("test"); !ok {
 		t.Errorf("failed to get engine from EngineYard")
-	} else if out, err := engine.Render(&hapi.Chart{}, &hapi.Values{}); err != nil {
+	} else if out, err := engine.Render(&chart.Chart{}, &chart.Config{}); err != nil {
 		t.Errorf("unexpected template error: %s", err)
 	} else if out["albatross"] != "test" {
 		t.Errorf("expected 'test', got %q", out["albatross"])

cmd/tiller/releases_server.go

@@ -4,7 +4,9 @@ import (
 	"errors"
 
 	"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/technosophos/moniker"
 	ctx "golang.org/x/net/context"
 )
 
@@ -19,8 +21,11 @@ type releaseServer struct {
 	env *environment.Environment
 }
 
-// errNotImplemented is a temporary error for uninmplemented callbacks.
-var errNotImplemented = errors.New("not implemented")
+var (
+	// errNotImplemented is a temporary error for uninmplemented callbacks.
+	errNotImplemented = errors.New("not implemented")
+	errMissingChart   = errors.New("no chart provided")
+)
 
 func (s *releaseServer) ListReleases(req *services.ListReleasesRequest, stream services.ReleaseService_ListReleasesServer) error {
 	return errNotImplemented
@@ -39,7 +44,32 @@ func (s *releaseServer) UpdateRelease(c ctx.Context, req *services.UpdateRelease
 }
 
 func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
-	return &services.InstallReleaseResponse{}, errNotImplemented
+	if req.Chart == nil {
+		return nil, errMissingChart
+	}
+
+	// We should probably make a name generator part of the Environment.
+	namer := moniker.New()
+	// TODO: Make sure this is unique.
+	name := namer.Name()
+
+	// Render the templates
+	_, err := s.env.EngineYard.Default().Render(req.Chart, req.Values)
+	if err != nil {
+		return nil, err
+	}
+
+	// Store a release.
+	r := &release.Release{
+		Name:   name,
+		Chart:  req.Chart,
+		Config: req.Values,
+		Info: &release.Info{
+			Status: &release.Status{Code: release.Status_UNKNOWN},
+		},
+	}
+
+	return &services.InstallReleaseResponse{Release: r}, errNotImplemented
 }
 
 func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {

glide.lock

-hash: e7c99013acb06eb359cf20390579af9a4553ef0fbed3f7bbb784b4ab7c8df807
-updated: 2016-04-15T15:15:21.87772545-06:00
+hash: 264d156a2a07d53efbf5f608ead3eb31c261de5124e0235139b3f99c6ead4dba
+updated: 2016-04-18T17:25:07.662942088-06:00
 imports:
 - name: github.com/aokoli/goutils
   version: 9c37978a95bd5c709a15883b6242714ea6709e64
@@ -11,6 +11,8 @@ imports:
   version: f0a097ddac24fb00e07d2ac17f8671423f3ea47c
   subpackages:
   - proto
+  - ptypes/any
+  - ptypes/timestamp
 - name: github.com/Masterminds/semver
   version: 808ed7761c233af2de3f9729a041d68c62527f3a
 - name: github.com/Masterminds/sprig
@@ -21,6 +23,8 @@ imports:
   - cobra
 - name: github.com/spf13/pflag
   version: 8f6a28b0916586e7f22fe931ae2fcfc380b1c0e6
+- name: github.com/technosophos/moniker
+  version: 9f956786b91d9786ca11aa5be6104542fa911546
 - name: golang.org/x/net
   version: fb93926129b8ec0056f2f458b1f519654814edf0
   subpackages:
@@ -30,7 +34,7 @@ imports:
   - http2/hpack
   - internal/timeseries
 - name: google.golang.org/grpc
-  version: 8eeecf2291de9d171d0b1392a27ff3975679f4f5
+  version: dec33edc378cf4971a2741cfd86ed70a644d6ba3
   subpackages:
   - codes
   - credentials

glide.yaml

@@ -13,3 +13,4 @@ import:
 - package: github.com/Masterminds/semver
   version: 1.1.0
 - package: github.com/BurntSushi/toml
+- package: github.com/technosophos/moniker

pkg/engine/engine.go

@@ -6,7 +6,8 @@ import (
 	"text/template"
 
 	"github.com/Masterminds/sprig"
-	"github.com/deis/tiller/pkg/hapi"
+	chartutil "github.com/deis/tiller/pkg/chart"
+	"github.com/deis/tiller/pkg/proto/hapi/chart"
 )
 
 // Engine is an implementation of 'cmd/tiller/environment'.Engine that uses Go templates.
@@ -38,13 +39,41 @@ func New() *Engine {
 //
 // This will look in the chart's 'templates' data (e.g. the 'templates/' directory)
 // and attempt to render the templates there using the values passed in.
-func (e *Engine) Render(chart *hapi.Chart, vals *hapi.Values) (map[string]string, error) {
-	// Uncomment this once the proto files compile.
-	//return render(chart.Chartfile.Name, chart.Templates, vals)
-	return map[string]string{}, nil
+func (e *Engine) Render(chrt *chart.Chart, vals *chart.Config) (map[string]string, error) {
+	var cvals chartutil.Values
+	if chrt.Values == nil {
+		cvals = map[string]interface{}{}
+	} else {
+		var err error
+		cvals, err = chartutil.ReadValues([]byte(chrt.Values.Raw))
+		if err != nil {
+			return map[string]string{}, err
+		}
+	}
+
+	// Parse values if not nil
+	if vals != nil {
+		evals, err := chartutil.ReadValues([]byte(vals.Raw))
+		if err != nil {
+			return map[string]string{}, err
+		}
+		// Coalesce chart default values and values
+		for k, v := range evals {
+			// FIXME: This needs to merge tables. Ideally, this feature should
+			// be part of the Values type.
+			cvals[k] = v
+		}
+	}
+
+	// Render the charts
+	tmap := make(map[string]string, len(chrt.Templates))
+	for _, tpl := range chrt.Templates {
+		tmap[tpl.Name] = string(tpl.Data)
+	}
+	return e.render(tmap, cvals)
 }
 
-func (e *Engine) render(name string, tpls map[string]string, v interface{}) (map[string]string, error) {
+func (e *Engine) render(tpls map[string]string, v interface{}) (map[string]string, error) {
 	// Basically, what we do here is start with an empty parent template and then
 	// build up a list of templates -- one for each file. Once all of the templates
 	// have been parsed, we loop through again and execute every template.
@@ -52,7 +81,7 @@ func (e *Engine) render(name string, tpls map[string]string, v interface{}) (map
 	// The idea with this process is to make it possible for more complex templates
 	// to share common blocks, but to make the entire thing feel like a file-based
 	// template engine.
-	t := template.New(name)
+	t := template.New("gotpl")
 	files := []string{}
 	for fname, tpl := range tpls {
 		t = t.New(fname).Funcs(e.FuncMap)

pkg/engine/engine_test.go

@@ -35,7 +35,7 @@ func TestRenderInternals(t *testing.T) {
 	}
 	vals := map[string]string{"Name": "one", "Value": "two"}
 
-	out, err := e.render("irrelevant", tpls, vals)
+	out, err := e.render(tpls, vals)
 	if err != nil {
 		t.Fatalf("Failed template rendering: %s", err)
 	}
@@ -68,7 +68,7 @@ func TestParallelRenderInternals(t *testing.T) {
 			tt := fmt.Sprintf("expect-%d", i)
 			tpls := map[string]string{fname: `{{.val}}`}
 			v := map[string]string{"val": tt}
-			out, err := e.render("intentionally_duplicated", tpls, v)
+			out, err := e.render(tpls, v)
 			if err != nil {
 				t.Errorf("Failed to render %s: %s", tt, err)
 			}

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

@@ -16,7 +16,6 @@ It has these top-level messages:
 	Config
 	Maintainer
 	Metadata
-	Templates
 	Template
 */
 package chart
@@ -43,7 +42,7 @@ type Chart struct {
 	// Contents of the Chartfile.
 	Metadata *Metadata `protobuf:"bytes,1,opt,name=metadata" json:"metadata,omitempty"`
 	// Templates for this chart.
-	Templates *Templates `protobuf:"bytes,2,opt,name=templates" json:"templates,omitempty"`
+	Templates []*Template `protobuf:"bytes,2,rep,name=templates" json:"templates,omitempty"`
 	// Charts that this chart depends on.
 	Dependencies []*Chart `protobuf:"bytes,3,rep,name=dependencies" json:"dependencies,omitempty"`
 	// Default config for this template.
@@ -62,7 +61,7 @@ func (m *Chart) GetMetadata() *Metadata {
 	return nil
 }
 
-func (m *Chart) GetTemplates() *Templates {
+func (m *Chart) GetTemplates() []*Template {
 	if m != nil {
 		return m.Templates
 	}
@@ -88,18 +87,18 @@ func init() {
 }
 
 var fileDescriptor0 = []byte{
-	// 200 bytes of a gzipped FileDescriptorProto
+	// 197 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x12, 0xcb, 0x48, 0x2c, 0xc8,
 	0xd4, 0x4f, 0xce, 0x48, 0x2c, 0x2a, 0x81, 0x90, 0x7a, 0x05, 0x45, 0xf9, 0x25, 0xf9, 0x42, 0x5c,
 	0x20, 0x71, 0x3d, 0xb0, 0x88, 0x94, 0x38, 0xb2, 0x9a, 0xfc, 0xbc, 0xb4, 0xcc, 0x74, 0x88, 0x22,
 	0x29, 0x49, 0x24, 0x89, 0xdc, 0xd4, 0x92, 0xc4, 0x94, 0xc4, 0x92, 0x44, 0x2c, 0x52, 0x25, 0xa9,
-	0xb9, 0x05, 0x39, 0x89, 0x25, 0xa9, 0x10, 0x29, 0xa5, 0x8b, 0x8c, 0x5c, 0xac, 0xce, 0x20, 0x09,
+	0xb9, 0x05, 0x39, 0x89, 0x25, 0xa9, 0x10, 0x29, 0xa5, 0x0b, 0x8c, 0x5c, 0xac, 0xce, 0x20, 0x09,
 	0x21, 0x03, 0x2e, 0x0e, 0x98, 0x36, 0x09, 0x46, 0x05, 0x46, 0x0d, 0x6e, 0x23, 0x11, 0x3d, 0x84,
-	0xbd, 0x7a, 0xbe, 0x50, 0xb9, 0x20, 0xb8, 0x2a, 0x21, 0x63, 0x2e, 0x4e, 0x98, 0x69, 0xc5, 0x12,
-	0x4c, 0x60, 0x2d, 0xa2, 0xc8, 0x5a, 0x42, 0x60, 0x92, 0x41, 0x08, 0x75, 0x42, 0xa6, 0x5c, 0x3c,
-	0x29, 0xa9, 0x05, 0xa9, 0x79, 0x29, 0xa9, 0x79, 0xc9, 0x99, 0x40, 0x7d, 0xcc, 0x0a, 0xcc, 0x40,
-	0x7d, 0x82, 0xc8, 0xfa, 0xc0, 0xee, 0x09, 0x42, 0x51, 0x26, 0xa4, 0xc5, 0xc5, 0x56, 0x96, 0x98,
-	0x53, 0x0a, 0xd4, 0xc0, 0x02, 0xb6, 0x48, 0x08, 0x45, 0x03, 0x38, 0x1c, 0x82, 0xa0, 0x2a, 0x9c,
-	0xd8, 0xa3, 0x58, 0xc1, 0xe2, 0x49, 0x6c, 0x60, 0x3f, 0x1a, 0x03, 0x02, 0x00, 0x00, 0xff, 0xff,
-	0x12, 0xa6, 0x6a, 0xa8, 0x58, 0x01, 0x00, 0x00,
+	0xbd, 0x7a, 0xbe, 0x50, 0xb9, 0x20, 0xb8, 0x2a, 0x21, 0x23, 0x2e, 0x4e, 0x98, 0x69, 0xc5, 0x12,
+	0x4c, 0x0a, 0xcc, 0xe8, 0x5a, 0x42, 0xa0, 0x92, 0x41, 0x08, 0x65, 0x42, 0xa6, 0x5c, 0x3c, 0x29,
+	0xa9, 0x05, 0xa9, 0x79, 0x29, 0xa9, 0x79, 0xc9, 0x99, 0x40, 0x6d, 0xcc, 0x60, 0x6d, 0x82, 0xc8,
+	0xda, 0xc0, 0xce, 0x09, 0x42, 0x51, 0x26, 0xa4, 0xc5, 0xc5, 0x56, 0x96, 0x98, 0x53, 0x0a, 0xd4,
+	0xc0, 0x02, 0x76, 0x9a, 0x10, 0x8a, 0x06, 0x70, 0x30, 0x04, 0x41, 0x55, 0x38, 0xb1, 0x47, 0xb1,
+	0x82, 0xc5, 0x93, 0xd8, 0xc0, 0x5e, 0x34, 0x06, 0x04, 0x00, 0x00, 0xff, 0xff, 0xb5, 0xff, 0x0f,
+	0xec, 0x57, 0x01, 0x00, 0x00,
 }

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

@@ -13,55 +13,33 @@ var _ = proto.Marshal
 var _ = fmt.Errorf
 var _ = math.Inf
 
+// Template represents a template as a name/value pair.
 //
-// Template:
-//
-// 		TODO
-//
-type Templates struct {
-	// TODO
-	Templates []*Template `protobuf:"bytes,1,rep,name=templates" json:"templates,omitempty"`
-}
-
-func (m *Templates) Reset()                    { *m = Templates{} }
-func (m *Templates) String() string            { return proto.CompactTextString(m) }
-func (*Templates) ProtoMessage()               {}
-func (*Templates) Descriptor() ([]byte, []int) { return fileDescriptor3, []int{0} }
-
-func (m *Templates) GetTemplates() []*Template {
-	if m != nil {
-		return m.Templates
-	}
-	return nil
-}
-
+// By convention, name is a relative path within the scope of the chart's
+// base directory.
 type Template struct {
-	// TODO
-	TemplateName string `protobuf:"bytes,1,opt,name=template_name,json=templateName" json:"template_name,omitempty"`
-	// TODO
-	TemplateData []byte `protobuf:"bytes,2,opt,name=template_data,json=templateData,proto3" json:"template_data,omitempty"`
+	// Name is the path-like name of the template.
+	Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
+	// Data is the template as byte data.
+	Data []byte `protobuf:"bytes,2,opt,name=data,proto3" json:"data,omitempty"`
 }
 
 func (m *Template) Reset()                    { *m = Template{} }
 func (m *Template) String() string            { return proto.CompactTextString(m) }
 func (*Template) ProtoMessage()               {}
-func (*Template) Descriptor() ([]byte, []int) { return fileDescriptor3, []int{1} }
+func (*Template) Descriptor() ([]byte, []int) { return fileDescriptor3, []int{0} }
 
 func init() {
-	proto.RegisterType((*Templates)(nil), "hapi.chart.Templates")
 	proto.RegisterType((*Template)(nil), "hapi.chart.Template")
 }
 
 var fileDescriptor3 = []byte{
-	// 146 bytes of a gzipped FileDescriptorProto
+	// 106 bytes of a gzipped FileDescriptorProto
 	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0x92, 0xcc, 0x48, 0x2c, 0xc8,
 	0xd4, 0x4f, 0xce, 0x48, 0x2c, 0x2a, 0xd1, 0x2f, 0x49, 0xcd, 0x2d, 0xc8, 0x49, 0x2c, 0x49, 0xd5,
-	0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0xe2, 0x02, 0x49, 0xe9, 0x81, 0xa5, 0x94, 0xec, 0xb9, 0x38,
-	0x43, 0xa0, 0xb2, 0xc5, 0x42, 0x46, 0x5c, 0x9c, 0x30, 0xa5, 0xc5, 0x12, 0x8c, 0x0a, 0xcc, 0x1a,
-	0xdc, 0x46, 0x22, 0x7a, 0x08, 0xc5, 0x7a, 0x30, 0x95, 0x41, 0x08, 0x65, 0x4a, 0x21, 0x5c, 0x1c,
-	0x30, 0x61, 0x21, 0x65, 0x2e, 0x5e, 0x98, 0x44, 0x7c, 0x5e, 0x62, 0x6e, 0x2a, 0xd0, 0x0c, 0x46,
-	0x0d, 0xce, 0x20, 0x1e, 0x98, 0xa0, 0x1f, 0x50, 0x0c, 0x45, 0x51, 0x4a, 0x62, 0x49, 0xa2, 0x04,
-	0x13, 0x50, 0x11, 0x0f, 0x42, 0x91, 0x0b, 0x50, 0xcc, 0x89, 0x3d, 0x8a, 0x15, 0x6c, 0x65, 0x12,
-	0x1b, 0xd8, 0xc9, 0xc6, 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x48, 0xda, 0x77, 0x0e, 0xcf, 0x00,
-	0x00, 0x00,
+	0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0xe2, 0x02, 0x49, 0xe9, 0x81, 0xa5, 0x94, 0x8c, 0xb8, 0x38,
+	0x42, 0xa0, 0xb2, 0x42, 0x42, 0x5c, 0x2c, 0x79, 0x89, 0xb9, 0xa9, 0x12, 0x8c, 0x0a, 0x8c, 0x1a,
+	0x9c, 0x41, 0x60, 0x36, 0x48, 0x2c, 0x25, 0xb1, 0x24, 0x51, 0x82, 0x09, 0x28, 0xc6, 0x13, 0x04,
+	0x66, 0x3b, 0xb1, 0x47, 0xb1, 0x82, 0x35, 0x27, 0xb1, 0x81, 0xcd, 0x33, 0x06, 0x04, 0x00, 0x00,
+	0xff, 0xff, 0x53, 0xee, 0x0e, 0x67, 0x6c, 0x00, 0x00, 0x00,
 }