hcl-simple-example-1.go

package main

import (
	"fmt"
	"os"

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

var (
	exampleHCL = `
		task "first_task" {
			exec "list_current_dir" {
				command = "ls ."
			}

			exec "list_var_dir" {
				command = "ls /var"
			}
		}
	`
)

func main() {
	config := &Config{}
	err := hclsimple.Decode("example.hcl", []byte(exampleHCL), nil, config)
	if err != nil {
		fmt.Println(err)
		os.Exit(1)
	}
	for _, task := range config.Tasks {
		fmt.Printf("Task: %s\n", task.Name)
		for _, step := range task.Steps {
			fmt.Printf("    Step: %s %q\n", step.Name, step.Command)
			err = step.Run()
			if err != nil {
				fmt.Println(err)
				os.Exit(1)
			}
		}
	}
}

type Config struct {
	Tasks []*Task `hcl:"task,block"`
}
type Task struct {
	Name  string      `hcl:"name,label"`
	Steps []*ExecStep `hcl:"exec,block"`
}

type ExecStep struct {
	Name    string `hcl:"name,label"`
	Command string `hcl:"command"`
}

func (s *ExecStep) Run() error {
	return nil
}