Files
kapow/internal/server/user/spawn/spawn.go

54 lines
1.3 KiB
Go

/*
* Copyright 2019 Banco Bilbao Vizcaya Argentaria, S.A.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package spawn
import (
"errors"
"io"
"os"
"os/exec"
"github.com/google/shlex"
"github.com/BBVA/kapow/internal/server/model"
)
func Spawn(h *model.Handler, out io.Writer) error {
if h.Route.Entrypoint == "" {
return errors.New("Entrypoint cannot be empty")
}
args, err := shlex.Split(h.Route.Entrypoint)
if err != nil {
return err
}
if h.Route.Command != "" {
args = append(args, h.Route.Command)
}
cmd := exec.Command(args[0], args[1:]...)
if out != nil {
cmd.Stdout = out
}
cmd.Env = append(os.Environ(), "KAPOW_DATA_URL=http://localhost:8082")
cmd.Env = append(cmd.Env, "KAPOW_HANDLER_ID="+h.ID)
err = cmd.Run()
return err
}