119 lines
2.9 KiB
Go
119 lines
2.9 KiB
Go
// VulcanizeDB
|
|
// Copyright © 2018 Vulcanize
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package builder
|
|
|
|
import (
|
|
"errors"
|
|
"fmt"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"strings"
|
|
|
|
"github.com/vulcanize/vulcanizedb/pkg/config"
|
|
"github.com/vulcanize/vulcanizedb/pkg/plugin/helpers"
|
|
)
|
|
|
|
type PluginBuilder interface {
|
|
BuildPlugin() error
|
|
CleanUp() error
|
|
}
|
|
|
|
type builder struct {
|
|
GenConfig config.Plugin
|
|
tmpVenDirs []string
|
|
goFile string
|
|
}
|
|
|
|
func NewPluginBuilder(gc config.Plugin, dbc config.Database) *builder {
|
|
return &builder{
|
|
GenConfig: gc,
|
|
tmpVenDirs: make([]string, 0, len(gc.Dependencies)),
|
|
}
|
|
}
|
|
|
|
func (b *builder) BuildPlugin() error {
|
|
// Get plugin .go and .so file paths
|
|
var err error
|
|
var soFile string
|
|
b.goFile, soFile, err = b.GenConfig.GetPluginPaths()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// setup env to build plugin
|
|
err = b.setupBuildEnv()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Build the .go file into a .so plugin
|
|
err = exec.Command("go", "build", "-buildmode=plugin", "-o", soFile, b.goFile).Run()
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("unable to build .so file: %s", err.Error()))
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Sets up temporary vendor libs needed for plugin build
|
|
func (b *builder) setupBuildEnv() error {
|
|
// TODO: Less hacky way of handling plugin build deps
|
|
vendorPath, err := helpers.CleanPath("$GOPATH/src/github.com/vulcanize/vulcanizedb/vendor")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Import transformer dependencies so that we can build our plugin
|
|
for name, importPath := range b.GenConfig.Dependencies {
|
|
index := strings.Index(importPath, "/")
|
|
gitPath := importPath[:index] + ":" + importPath[index+1:]
|
|
importURL := "git@" + gitPath + ".git"
|
|
depPath := filepath.Join(vendorPath, importPath)
|
|
err = exec.Command("git", "clone", importURL, depPath).Run()
|
|
if err != nil {
|
|
return errors.New(fmt.Sprintf("unable to clone %s transformer dependency: %s", name, err.Error()))
|
|
}
|
|
|
|
err := os.RemoveAll(filepath.Join(depPath, "vendor/"))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
b.tmpVenDirs = append(b.tmpVenDirs, depPath)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (b *builder) CleanUp() error {
|
|
if !b.GenConfig.Save {
|
|
err := helpers.ClearFiles(b.goFile)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
for _, venDir := range b.tmpVenDirs {
|
|
err := os.RemoveAll(venDir)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|