bndd/run.go

101 lines
2.3 KiB
Go

package main
import (
"encoding/json"
"errors"
"io"
"net"
"os"
"os/exec"
"path/filepath"
)
func runMap(conn net.Conn, instance string, objmap map[string]string) (int, error) {
program, has := objmap["package"]
if !has {
return 0, errors.New("a package is required")
}
arguments, has := objmap["arguments"]
if !has {
arguments = ""
}
target, has := objmap["target"]
if !has {
target = "run"
}
workdir, has := objmap["workdir"]
if !has {
return 0, errors.New("a workdir is required")
}
return run(conn, instance, program, arguments, target, workdir)
}
func run(conn net.Conn, instance string, program string, arguments string, target string, workdir string) (int, error) {
package_path, err := filepath.Abs(filepath.Join(instance, "apps", program))
if err != nil {
return 0, err
}
var_path, err := filepath.Abs(filepath.Join(instance, "var", program))
if err != nil {
return 0, err
}
info_path, err := filepath.Abs(filepath.Join(package_path, "boundaries.json"))
if err != nil {
return 0, err
}
if exists, err := exists(info_path); !exists || err != nil {
return 0, errors.New("package " + program + " not found")
}
working_dir, err := filepath.Abs(workdir)
if err != nil {
return 0, err
}
infofile_content, err := os.ReadFile(info_path)
if err != nil {
return 0, err
}
var info map[string]interface{}
err = json.Unmarshal(infofile_content, &info)
if err != nil {
return 0, err
}
_, has := info["name"]
if !has {
return 0, errors.New("invalid boundaries.json file. name field not found")
}
command_interface, has := info["command"]
if !has {
return 0, errors.New("invalid boundaries.json file. command field not found")
}
commands := command_interface.(map[string]interface{})
command, has := commands[target]
if !has {
return 0, errors.New("target " + target + " not found")
}
command, err = filepath.Abs(filepath.Join(package_path, command.(string)))
if err != nil {
return 0, err
}
cmd := exec.Command("sh", "-c", command.(string)+" "+arguments)
cmd.Dir = working_dir
cmd.Env = append(cmd.Environ(), "APP_DIR="+package_path, "VAR_DIR="+var_path)
cmd.Stdout = io.MultiWriter(conn, os.Stdout)
cmd.Stderr = io.MultiWriter(conn, os.Stderr)
cmd.Stdin = conn
err = cmd.Run()
if err != nil {
return 0, err
}
return 0, nil
}