github.com/amanya/packer@v0.12.1-0.20161117214323-902ac5ab2eb6/builder/googlecompute/private_key_test.go (about)

     1  package googlecompute
     2  
     3  import (
     4  	"crypto/rand"
     5  	"crypto/x509"
     6  	"encoding/pem"
     7  	"io/ioutil"
     8  	"os"
     9  	"testing"
    10  )
    11  
    12  func testPrivateKeyFile(t *testing.T) string {
    13  	tf, err := ioutil.TempFile("", "packer")
    14  	if err != nil {
    15  		t.Fatalf("bad: %s", err)
    16  	}
    17  	defer tf.Close()
    18  
    19  	b := &pem.Block{
    20  		Type:  "RSA PRIVATE KEY",
    21  		Bytes: []byte("what"),
    22  	}
    23  
    24  	if err := pem.Encode(tf, b); err != nil {
    25  		t.Fatalf("err: %s", err)
    26  	}
    27  
    28  	return tf.Name()
    29  }
    30  
    31  func TestProcesssPrivateKeyFile(t *testing.T) {
    32  	path := testPrivateKeyFile(t)
    33  	defer os.Remove(path)
    34  
    35  	data, err := processPrivateKeyFile(path, "")
    36  	if err != nil {
    37  		t.Fatalf("err: %s", err)
    38  	}
    39  
    40  	if len(data) <= 0 {
    41  		t.Fatalf("bad: %#v", data)
    42  	}
    43  }
    44  
    45  func TestProcessPrivateKeyFile_encrypted(t *testing.T) {
    46  	// Encrypt the file
    47  	b, err := x509.EncryptPEMBlock(rand.Reader,
    48  		"RSA PRIVATE KEY",
    49  		[]byte("what"),
    50  		[]byte("password"),
    51  		x509.PEMCipherAES128)
    52  	if err != nil {
    53  		t.Fatalf("err: %s", err)
    54  	}
    55  
    56  	tf, err := ioutil.TempFile("", "packer")
    57  	if err != nil {
    58  		t.Fatalf("bad: %s", err)
    59  	}
    60  	defer os.Remove(tf.Name())
    61  
    62  	err = pem.Encode(tf, b)
    63  	tf.Close()
    64  	if err != nil {
    65  		t.Fatalf("err: %s", err)
    66  	}
    67  
    68  	path := tf.Name()
    69  
    70  	// Should have an error with a bad password
    71  	if _, err := processPrivateKeyFile(path, "bad"); err == nil {
    72  		t.Fatal("should error")
    73  	}
    74  
    75  	if _, err := processPrivateKeyFile(path, "password"); err != nil {
    76  		t.Fatalf("bad: %s", err)
    77  	}
    78  }