/
generate.go
195 lines (175 loc) · 4.51 KB
/
generate.go
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package generate
import (
"github.com/pkg/errors"
pcode "github.com/protoflow-labs/protoflow/gen/code"
"github.com/protoflow-labs/protoflow/pkg/bucket"
"github.com/protoflow-labs/protoflow/pkg/graph"
"github.com/protoflow-labs/protoflow/pkg/graph/node/code"
"github.com/protoflow-labs/protoflow/pkg/project"
"github.com/protoflow-labs/protoflow/templates"
"github.com/rs/zerolog/log"
"io"
"os"
"path"
)
type Generator interface {
Generate(project *project.Project) error
}
type Generate struct {
bucket bucket.Bucket
}
var _ Generator = &Generate{}
// TODO breadchris should this be derived from somewhere?
const protoflowDir = "protoflow"
func NewGenerate(config Config) (*Generate, error) {
var projectDir string
// if there is a project path defined, use this for where the bucket goes
if config.ProjectPath != "" {
projectDir = config.ProjectPath
} else {
cwd, err := os.Getwd()
if err != nil {
return nil, errors.Wrap(err, "error getting current working directory")
}
projectDir = path.Join(cwd, protoflowDir)
}
c, err := bucket.FromDir(projectDir)
if err != nil {
return nil, errors.Wrapf(err, "error creating bucket from %s", projectDir)
}
return &Generate{
bucket: c,
}, nil
}
func copyFile() {
}
func (s *Generate) Init(project *project.Project) error {
// TODO breadchris what does the wire frame look like?
t := templates.Templates
// TODO breadchris someone has done this already https://github.com/leaanthony/debme
pPath := "proto"
entries, err := t.ReadDir(pPath)
if err != nil {
return err
}
dPath, err := s.bucket.GetFolder(pPath)
if err != nil {
return err
}
for _, e := range entries {
f, err := t.Open(path.Join(pPath, e.Name()))
if err != nil {
return err
}
df, err := os.Create(path.Join(dPath, e.Name()))
_, err = io.Copy(df, f)
if err != nil {
return err
}
}
bufFile := "buf.gen.yaml"
tf, err := t.Open(bufFile)
if err != nil {
return err
}
b, err := s.bucket.GetFile(bufFile)
if err != nil {
return err
}
df, err := os.Create(b)
if err != nil {
return err
}
_, err = io.Copy(df, tf)
if err != nil {
return err
}
return nil
}
func (s *Generate) Service(project *project.Project, n graph.Node) error {
return nil
}
func (s *Generate) Method(project *project.Project, n graph.Node) error {
return nil
}
func (s *Generate) GenerateImplementation(project *project.Project, n graph.Node) error {
r, err := n.Provider()
if err != nil {
return errors.Wrapf(err, "error getting node provider")
}
switch c := r.(type) {
case *code.Server:
if c.Runtime == pcode.Runtime_NODEJS {
jsManager, err := NewNodeJSManager(s.bucket)
if err != nil {
return errors.Wrap(err, "error creating nodejs manager")
}
err = jsManager.GenerateFunctionImpl(c, n)
if err != nil {
log.Error().Err(err).Msg("error generating function implementation")
}
err = jsManager.GenerateGRPCService(c)
if err != nil {
log.Error().Err(err).Msg("error generating service files")
}
}
}
return nil
}
func (s *Generate) InferNodeType(project *project.Project, n graph.Node) error {
info, err := project.Workflow.GetNodeInfo(n)
if err != nil {
return errors.Wrapf(err, "error getting node info")
}
r, err := n.Provider()
if err != nil {
return errors.Wrapf(err, "error getting node provider")
}
switch r := r.(type) {
case *code.Server:
switch r.Runtime {
case pcode.Runtime_NODEJS:
jsManager, err := NewNodeJSManager(s.bucket)
if err != nil {
return errors.Wrap(err, "error creating nodejs manager")
}
err = jsManager.UpdateNodeType(n, info)
if err != nil {
log.Error().Err(err).Msg("error updating node type")
}
}
}
return nil
}
func (s *Generate) Generate(project *project.Project) error {
for _, r := range project.Workflow.NodeLookup {
if r == nil {
log.Error().Msg("resource is nil")
continue
}
switch r := r.(type) {
case *code.Server:
if r.Runtime == pcode.Runtime_NODEJS {
jsManager, err := NewNodeJSManager(s.bucket)
if err != nil {
return errors.Wrap(err, "error creating nodejs manager")
}
for _, n := range r.Dependents() {
info, err := project.Workflow.GetNodeInfo(n)
if err != nil {
return errors.Wrapf(err, "error getting node info")
}
err = jsManager.UpdateNodeType(n, info)
if err != nil {
log.Error().Err(err).Msg("error updating node type")
}
}
}
}
}
d := NewDockerComposeGenerate(s.bucket)
if err := d.Generate(project); err != nil {
return errors.Wrap(err, "error generating docker-compose")
}
return nil
}