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project.go
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project.go
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package rillv1beta
import (
"bytes"
"context"
"fmt"
"os"
"path"
"path/filepath"
"strings"
runtimev1 "github.com/rilldata/rill/proto/gen/rill/runtime/v1"
"github.com/rilldata/rill/runtime/drivers"
"gopkg.in/yaml.v2"
)
const Version = "rill-beta"
type Codec struct {
Repo drivers.RepoStore
InstanceID string
}
func New(repo drivers.RepoStore, instanceID string) *Codec {
return &Codec{Repo: repo, InstanceID: instanceID}
}
func (c *Codec) IsInit(ctx context.Context) bool {
_, err := c.Repo.Get(ctx, c.InstanceID, "rill.yaml")
return err == nil
}
func (c *Codec) InitEmpty(ctx context.Context, title string) error {
err := c.Repo.Put(ctx, c.InstanceID, "rill.yaml", strings.NewReader(fmt.Sprintf("compiler: %s\n\ntitle: %q\n", Version, title)))
if err != nil {
return err
}
gitignore, _ := c.Repo.Get(ctx, c.InstanceID, ".gitignore")
if gitignore != "" {
gitignore += "\n"
}
gitignore += "# Rill\n*.db\n*.db.tmp\n*.db.wal\n"
err = c.Repo.Put(ctx, c.InstanceID, ".gitignore", strings.NewReader(gitignore))
if err != nil {
return err
}
err = c.Repo.Put(ctx, c.InstanceID, "sources/.gitkeep", strings.NewReader(""))
if err != nil {
return err
}
err = c.Repo.Put(ctx, c.InstanceID, "models/.gitkeep", strings.NewReader(""))
if err != nil {
return err
}
err = c.Repo.Put(ctx, c.InstanceID, "dashboards/.gitkeep", strings.NewReader(""))
if err != nil {
return err
}
return nil
}
func (c *Codec) PutSource(ctx context.Context, repo drivers.RepoStore, instanceID string, source *runtimev1.Source, force bool) (string, error) {
props := source.Properties.AsMap()
out := Source{
Type: source.Connector,
}
if val, ok := props["uri"].(string); ok {
out.URI = val
}
if val, ok := props["path"].(string); ok {
out.Path = val
}
if val, ok := props["region"].(string); ok {
out.Region = val
}
blob, err := yaml.Marshal(out)
if err != nil {
return "", err
}
p := path.Join("sources", source.Name+".yaml")
// TODO: Use create and createOnly when they're added to repo.Put
if _, err := os.Stat(path.Join(repo.Root(), p)); err == nil {
if !force {
return "", os.ErrExist
}
}
err = repo.Put(ctx, c.InstanceID, p, bytes.NewReader(blob))
if err != nil {
return "", err
}
return p, nil
}
func (c *Codec) DeleteSource(ctx context.Context, name string) (string, error) {
p := path.Join("sources", name+".yaml")
err := c.Repo.Delete(ctx, c.InstanceID, p)
if err != nil {
return "", err
}
return p, nil
}
func (c *Codec) ProjectConfig(ctx context.Context) (*ProjectConfig, error) {
content, err := c.Repo.Get(ctx, c.InstanceID, "rill.yaml")
// rill.yaml is not guaranteed to exist in case of older projects
if os.IsNotExist(err) {
return &ProjectConfig{Variables: make(map[string]string)}, nil
}
if err != nil {
return nil, err
}
r := &ProjectConfig{Variables: make(map[string]string)}
if err := yaml.Unmarshal([]byte(content), r); err != nil {
return nil, err
}
return r, nil
}
func HasRillProject(dir string) bool {
_, err := os.Open(filepath.Join(dir, "rill.yaml"))
return err == nil
}
func ParseProjectConfig(content []byte) (*ProjectConfig, error) {
c := &ProjectConfig{Variables: make(map[string]string)}
if err := yaml.Unmarshal(content, c); err != nil {
return nil, err
}
return c, nil
}