Merge pull request #32 from technosophos/feat/helm-install

feat(tiller): add template and release to install
pull/613/head
Matt Butcher 9 years ago
commit 77322a5f06

@ -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;

@ -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;
}

@ -2,7 +2,8 @@ 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/proto/hapi/release"
"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.
@ -64,14 +65,14 @@ type ReleaseStorage interface {
// If a release with the same name exists, this returns an error.
//
// It may return other errors in cases where it cannot write to storage.
Create(*hapi.Release) error
Create(*release.Release) error
// Read takes a name and returns a release that has that name.
//
// It will only return releases that are not deleted and not superseded.
//
// It will return an error if no relevant release can be found, or if storage
// is not properly functioning.
Read(name string) (*hapi.Release, error)
Read(name string) (*release.Release, error)
// Update looks for a release with the same name and updates it with the
// present release contents.
@ -81,24 +82,24 @@ type ReleaseStorage interface {
//
// It will return an error if a previous release is not found. It may also
// return an error if the storage backend encounters an error.
Update(*hapi.Release) error
Update(*release.Release) error
// Delete marks a Release as deleted.
//
// It returns the deleted record. If the record is not found or if the
// underlying storage encounters an error, this will return an error.
Delete(name string) (*hapi.Release, error)
Delete(name string) (*release.Release, error)
// List lists all active (non-deleted, non-superseded) releases.
//
// To get deleted or superseded releases, use Query.
List() ([]*hapi.Release, error)
List() ([]*release.Release, error)
// Query takes a map of labels and returns any releases that match.
//
// Query will search all releases, including deleted and superseded ones.
// The provided map will be used to filter results.
Query(map[string]string) ([]*hapi.Release, error)
Query(map[string]string) ([]*release.Release, error)
}
// KubeClient represents a client capable of communicating with the Kubernetes API.

@ -3,45 +3,46 @@ package environment
import (
"testing"
"github.com/deis/tiller/pkg/hapi"
"github.com/deis/tiller/pkg/proto/hapi/chart"
"github.com/deis/tiller/pkg/proto/hapi/release"
)
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
}
type mockReleaseStorage struct {
rel *hapi.Release
rel *release.Release
}
func (r *mockReleaseStorage) Create(v *hapi.Release) error {
func (r *mockReleaseStorage) Create(v *release.Release) error {
r.rel = v
return nil
}
func (r *mockReleaseStorage) Read(k string) (*hapi.Release, error) {
func (r *mockReleaseStorage) Read(k string) (*release.Release, error) {
return r.rel, nil
}
func (r *mockReleaseStorage) Update(v *hapi.Release) error {
func (r *mockReleaseStorage) Update(v *release.Release) error {
r.rel = v
return nil
}
func (r *mockReleaseStorage) Delete(k string) (*hapi.Release, error) {
func (r *mockReleaseStorage) Delete(k string) (*release.Release, error) {
return r.rel, nil
}
func (r *mockReleaseStorage) List() ([]*hapi.Release, error) {
return []*hapi.Release{}, nil
func (r *mockReleaseStorage) List() ([]*release.Release, error) {
return []*release.Release{}, nil
}
func (r *mockReleaseStorage) Query(labels map[string]string) ([]*hapi.Release, error) {
return []*hapi.Release{}, nil
func (r *mockReleaseStorage) Query(labels map[string]string) ([]*release.Release, error) {
return []*release.Release{}, nil
}
type mockKubeClient struct {
@ -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"])
@ -75,7 +76,7 @@ func TestReleaseStorage(t *testing.T) {
env := New()
env.Releases = rs
release := &hapi.Release{Name: "mariner"}
release := &release.Release{Name: "mariner"}
if err := env.Releases.Create(release); err != nil {
t.Fatalf("failed to store release: %s", err)

@ -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
}
var (
// errNotImplemented is a temporary error for uninmplemented callbacks.
var errNotImplemented = errors.New("not implemented")
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 +44,36 @@ 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},
},
}
if err := s.env.Releases.Create(r); err != nil {
return nil, err
}
return &services.InstallReleaseResponse{Release: r}, nil
}
func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {

@ -0,0 +1,38 @@
package main
import (
"github.com/deis/tiller/cmd/tiller/environment"
"github.com/deis/tiller/pkg/proto/hapi/chart"
"github.com/deis/tiller/pkg/proto/hapi/services"
"github.com/deis/tiller/pkg/storage"
"golang.org/x/net/context"
"testing"
)
func rsFixture() *releaseServer {
return &releaseServer{
env: mockEnvironment(),
}
}
func TestInstallRelease(t *testing.T) {
c := context.Background()
rs := rsFixture()
req := &services.InstallReleaseRequest{
Chart: &chart.Chart{},
}
res, err := rs.InstallRelease(c, req)
if err != nil {
t.Errorf("Failed install: %s", err)
}
if res.Release.Name == "" {
t.Errorf("Expected release name.")
}
}
func mockEnvironment() *environment.Environment {
e := environment.New()
e.Releases = storage.NewMemory()
return e
}

10
glide.lock generated

@ -1,5 +1,5 @@
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

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

@ -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)

@ -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)
}

@ -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
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0xa9, 0x05, 0xa9, 0x79, 0x29, 0xa9, 0x79, 0xc9, 0x99, 0x40, 0x6d, 0xcc, 0x60, 0x6d, 0x82, 0xc8,
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0xec, 0x57, 0x01, 0x00, 0x00,
}

@ -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,
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0xff, 0xff, 0x53, 0xee, 0x0e, 0x67, 0x6c, 0x00, 0x00, 0x00,
}

@ -3,17 +3,17 @@ package storage
import (
"errors"
"github.com/deis/tiller/pkg/hapi"
"github.com/deis/tiller/pkg/proto/hapi/release"
)
// Memory is an in-memory ReleaseStorage implementation.
type Memory struct {
releases map[string]*hapi.Release
releases map[string]*release.Release
}
func NewMemory() *Memory {
return &Memory{
releases: map[string]*hapi.Release{},
releases: map[string]*release.Release{},
}
}
@ -22,7 +22,7 @@ var ErrNotFound = errors.New("release not found")
// Read returns the named Release.
//
// If the release is not found, an ErrNotFound error is returned.
func (m *Memory) Read(k string) (*hapi.Release, error) {
func (m *Memory) Read(k string) (*release.Release, error) {
v, ok := m.releases[k]
if !ok {
return v, ErrNotFound
@ -31,7 +31,7 @@ func (m *Memory) Read(k string) (*hapi.Release, error) {
}
// Create sets a release.
func (m *Memory) Create(rel *hapi.Release) error {
func (m *Memory) Create(rel *release.Release) error {
m.releases[rel.Name] = rel
return nil
}
@ -39,7 +39,7 @@ func (m *Memory) Create(rel *hapi.Release) error {
var ErrNoRelease = errors.New("no release found")
// Update sets a release.
func (m *Memory) Update(rel *hapi.Release) error {
func (m *Memory) Update(rel *release.Release) error {
if _, ok := m.releases[rel.Name]; !ok {
return ErrNoRelease
}
@ -50,7 +50,7 @@ func (m *Memory) Update(rel *hapi.Release) error {
return nil
}
func (m *Memory) Delete(name string) (*hapi.Release, error) {
func (m *Memory) Delete(name string) (*release.Release, error) {
rel, ok := m.releases[name]
if !ok {
return nil, ErrNoRelease
@ -60,8 +60,8 @@ func (m *Memory) Delete(name string) (*hapi.Release, error) {
}
// List returns all releases
func (m *Memory) List() ([]*hapi.Release, error) {
buf := make([]*hapi.Release, len(m.releases))
func (m *Memory) List() ([]*release.Release, error) {
buf := make([]*release.Release, len(m.releases))
i := 0
for _, v := range m.releases {
buf[i] = v
@ -69,6 +69,6 @@ func (m *Memory) List() ([]*hapi.Release, error) {
}
return buf, nil
}
func (m *Memory) Query(labels map[string]string) ([]*hapi.Release, error) {
return []*hapi.Release{}, errors.New("Cannot implement until hapi.Release is defined.")
func (m *Memory) Query(labels map[string]string) ([]*release.Release, error) {
return []*release.Release{}, errors.New("Cannot implement until release.Release is defined.")
}

@ -3,12 +3,12 @@ package storage
import (
"testing"
"github.com/deis/tiller/pkg/hapi"
"github.com/deis/tiller/pkg/proto/hapi/release"
)
func TestCreate(t *testing.T) {
k := "test-1"
r := &hapi.Release{Name: k}
r := &release.Release{Name: k}
ms := NewMemory()
if err := ms.Create(r); err != nil {
@ -22,7 +22,7 @@ func TestCreate(t *testing.T) {
func TestRead(t *testing.T) {
k := "test-1"
r := &hapi.Release{Name: k}
r := &release.Release{Name: k}
ms := NewMemory()
ms.Create(r)
@ -36,7 +36,7 @@ func TestRead(t *testing.T) {
func TestUpdate(t *testing.T) {
k := "test-1"
r := &hapi.Release{Name: k}
r := &release.Release{Name: k}
ms := NewMemory()
if err := ms.Create(r); err != nil {
@ -56,7 +56,7 @@ func TestList(t *testing.T) {
rels := []string{"a", "b", "c"}
for _, k := range rels {
ms.Create(&hapi.Release{Name: k})
ms.Create(&release.Release{Name: k})
}
l, err := ms.List()

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