terraform-wrapper

README

Disclaimer

This code was forked from the original one from Hashicorp to remove dependencies that we believe were not useful. Since we develop kubernetes operators, go-setter dependencies that are heavily outdated caused a lot of problem to us.

Usage

The Terraform struct must be initialised with NewTerraform(workingDir, execPath).

Top-level Terraform commands each have their own function, which will return either error or (T, error), where T is a terraform-json type.

Example

package main

import (
	"context"
	"fmt"
	"io/ioutil"
	"os"
	"log"

	"github.com/covergo/terraform-wrapper/tfexec"
	"github.com/covergo/terraform-wrapper/tfinstall"
)

func main() {
	tmpDir, err := ioutil.TempDir("", "tfinstall")
	if err != nil {
		log.Fatalf("error creating temp dir: %s", err)
	}
	defer os.RemoveAll(tmpDir)

	execPath, err := tfinstall.Find(context.Background(), tfinstall.LatestVersion(tmpDir, false))
	if err != nil {
		log.Fatalf("error locating Terraform binary: %s", err)
	}

	workingDir := "/path/to/working/dir"
	tf, err := tfexec.NewTerraform(workingDir, execPath)
	if err != nil {
		log.Fatalf("error running NewTerraform: %s", err)
	}

	err = tf.Init(context.Background(), tfexec.Upgrade(true))
	if err != nil {
		log.Fatalf("error running Init: %s", err)
	}

	state, err := tf.Show(context.Background())
	if err != nil {
		log.Fatalf("error running Show: %s", err)
	}

	fmt.Println(state.FormatVersion) // "0.1"
}

Contributing

Please see CONTRIBUTING.md.