packer-cn/builder/amazon/common/run_config_test.go

package common

import (
	"io/ioutil"
	"os"
	"regexp"
	"testing"

	"github.com/mitchellh/packer/helper/communicator"
)

func init() {
	// Clear out the AWS access key env vars so they don't
	// affect our tests.
	os.Setenv("AWS_ACCESS_KEY_ID", "")
	os.Setenv("AWS_ACCESS_KEY", "")
	os.Setenv("AWS_SECRET_ACCESS_KEY", "")
	os.Setenv("AWS_SECRET_KEY", "")
}

func testConfig() *RunConfig {
	return &RunConfig{
		SourceAmi:    "abcd",
		InstanceType: "m1.small",

		Comm: communicator.Config{
			SSHUsername: "foo",
		},
	}
}

func TestRunConfigPrepare(t *testing.T) {
	c := testConfig()
	err := c.Prepare(nil)
	if len(err) > 0 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_InstanceType(t *testing.T) {
	c := testConfig()
	c.InstanceType = ""
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_SourceAmi(t *testing.T) {
	c := testConfig()
	c.SourceAmi = ""
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_SpotAuto(t *testing.T) {
	c := testConfig()
	c.SpotPrice = "auto"
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}

	c.SpotPriceAutoProduct = "foo"
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_SSHPort(t *testing.T) {
	c := testConfig()
	c.Comm.SSHPort = 0
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.Comm.SSHPort != 22 {
		t.Fatalf("invalid value: %d", c.Comm.SSHPort)
	}

	c.Comm.SSHPort = 44
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.Comm.SSHPort != 44 {
		t.Fatalf("invalid value: %d", c.Comm.SSHPort)
	}
}

func TestRunConfigPrepare_SSHUsername(t *testing.T) {
	c := testConfig()
	c.Comm.SSHUsername = ""
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_UserData(t *testing.T) {
	c := testConfig()
	tf, err := ioutil.TempFile("", "packer")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	defer tf.Close()

	c.UserData = "foo"
	c.UserDataFile = tf.Name()
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_UserDataFile(t *testing.T) {
	c := testConfig()
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	c.UserDataFile = "idontexistidontthink"
	if err := c.Prepare(nil); len(err) != 1 {
		t.Fatalf("err: %s", err)
	}

	tf, err := ioutil.TempFile("", "packer")
	if err != nil {
		t.Fatalf("err: %s", err)
	}
	defer tf.Close()

	c.UserDataFile = tf.Name()
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}
}

func TestRunConfigPrepare_TemporaryKeyPairName(t *testing.T) {
	c := testConfig()
	c.TemporaryKeyPairName = ""
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.TemporaryKeyPairName == "" {
		t.Fatal("keypair name is empty")
	}

	// Match prefix and UUID, e.g. "packer_5790d491-a0b8-c84c-c9d2-2aea55086550".
	r := regexp.MustCompile(`\Apacker_(?:(?i)[a-f\d]{8}(?:-[a-f\d]{4}){3}-[a-f\d]{12}?)\z`)
	if !r.MatchString(c.TemporaryKeyPairName) {
		t.Fatal("keypair name is not valid")
	}

	c.TemporaryKeyPairName = "ssh-key-123"
	if err := c.Prepare(nil); len(err) != 0 {
		t.Fatalf("err: %s", err)
	}

	if c.TemporaryKeyPairName != "ssh-key-123" {
		t.Fatal("keypair name does not match")
	}
}