templatefile/pkg/utils/main.go

package utils

import (
	"bytes"
	"fmt"
	"os/exec"

	"github.com/hashicorp/hcl/v2"
)

var DryRun = false

func CheckErr(e error) {
	if e != nil {
		panic(e)
	}
}

func CheckDiags(diag hcl.Diagnostics) {
	if diag.HasErrors() {
		panic(diag.Error())
	}
}

// Execute a system command ...
func RunSystemCommand(name string, arg ...string) ([]byte, []byte, error) {
	if DryRun {
		stdOut := []byte(fmt.Sprintf("CMD %s\n", name))
		stdErr := []byte("STDERR\n")

		return stdOut, stdErr, nil
	} else {
		var stdOut bytes.Buffer
		var stdErr bytes.Buffer

		cmd := exec.Command(name, arg...)
		cmd.Stderr = &stdErr
		cmd.Stdout = &stdOut
		err := cmd.Run()
		return stdOut.Bytes(), stdErr.Bytes(), err
	}
}