Messing around with loading an HCL ast via finding tf files recursively in a directory passed in via args

hcl_load_test.go

package main

import (
	"flag"
	"fmt"
	"io/ioutil"
	"os"
	"path/filepath"

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

func load_terraform(path string) (*ast.File, error) {
	dat, err := ioutil.ReadFile(path)
	if err != nil {
		fmt.Println(err)
		return nil, err
	}

	ast, err := hcl.ParseBytes(dat)
	if err != nil {
		fmt.Println(err)
		return nil, err
	}

	return ast, nil
}

func main() {
	flag.Parse()
	root := flag.Arg(0)
	var results []*ast.File

	err := filepath.Walk(root, func(path string, f os.FileInfo, err error) error {
		fi, err := os.Stat(path)
		if err != nil {
			fmt.Println(err)
			return err
		}

		if fi.Mode().IsRegular() == true {
			if filepath.Ext(path) == ".tf" {
				tf, err := load_terraform(path)
				if err != nil {
					fmt.Println(err)
					return err
				}
				results = append(results, tf)
			}
		}
		return nil
	})

	fmt.Printf("Terraform files loaded is: %d\n", len(results))

	if err != nil {
		fmt.Println(err)
		return
	}
}