fix(tiller): allow different template engine

This is a minor fix to the Tiller internals to allow an alternate
template engine. This will still require future work to make it possible
to bootstrap in a different template renderer.
pull/830/head
Matt Butcher 9 years ago
parent 768d1fbdeb
commit 76f4ee1eab

@ -13,6 +13,7 @@ import (
"k8s.io/helm/cmd/tiller/environment"
"k8s.io/helm/pkg/chartutil"
"k8s.io/helm/pkg/proto/hapi/chart"
"k8s.io/helm/pkg/proto/hapi/release"
"k8s.io/helm/pkg/proto/hapi/services"
"k8s.io/helm/pkg/storage"
@ -29,10 +30,6 @@ func init() {
services.RegisterReleaseServiceServer(rootServer, srv)
}
type releaseServer struct {
env *environment.Environment
}
var (
// errNotImplemented is a temporary error for uninmplemented callbacks.
errNotImplemented = errors.New("not implemented")
@ -45,6 +42,10 @@ var (
// ListDefaultLimit is the default limit for number of items returned in a list.
var ListDefaultLimit int64 = 512
type releaseServer struct {
env *environment.Environment
}
func (s *releaseServer) ListReleases(req *services.ListReleasesRequest, stream services.ReleaseService_ListReleasesServer) error {
rels, err := s.env.Releases.List()
if err != nil {
@ -184,6 +185,18 @@ func (s *releaseServer) uniqName(start string) (string, error) {
return "ERROR", errors.New("no available release name found")
}
func (s *releaseServer) engine(ch *chart.Chart) environment.Engine {
renderer := s.env.EngineYard.Default()
if ch.Metadata.Engine != "" {
if r, ok := s.env.EngineYard.Get(ch.Metadata.Engine); ok {
renderer = r
} else {
log.Printf("warning: %s requested non-existent template engine %s", ch.Metadata.Name, ch.Metadata.Engine)
}
}
return renderer
}
func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallReleaseRequest) (*services.InstallReleaseResponse, error) {
if req.Chart == nil {
return nil, errMissingChart
@ -211,7 +224,9 @@ func (s *releaseServer) InstallRelease(c ctx.Context, req *services.InstallRelea
if err != nil {
return nil, err
}
files, err := s.env.EngineYard.Default().Render(req.Chart, vals)
renderer := s.engine(req.Chart)
files, err := renderer.Render(req.Chart, vals)
if err != nil {
return nil, err
}

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