Return wrapped errors

cmd/keygen/create_key.go

@@ -4,20 +4,21 @@ import (
 	"fmt"
 
 	"forge.cadoles.com/Cadoles/go-http-peering/crypto"
+	"github.com/pkg/errors"
 )
 
 func createKey() {
 	passphrase, err := getPassphrase()
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	key, err := crypto.CreateRSAKey(keySize)
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	privatePEM, err := crypto.EncodePrivateKeyToEncryptedPEM(key, passphrase)
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	fmt.Print(string(privatePEM))
 }

cmd/keygen/create_token.go

@@ -4,6 +4,7 @@ import (
 	"fmt"
 
 	"forge.cadoles.com/Cadoles/go-http-peering/crypto"
+	"github.com/pkg/errors"
 
 	peering "forge.cadoles.com/Cadoles/go-http-peering"
 )
@@ -11,11 +12,11 @@ import (
 func createToken() {
 	privateKey, err := loadPrivateKey()
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	token, err := crypto.CreateServerToken(privateKey, tokenIssuer, peering.PeerID(tokenPeerID))
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	fmt.Println(token)
 }

cmd/keygen/get_public_key.go

@@ -4,16 +4,17 @@ import (
 	"fmt"
 
 	"forge.cadoles.com/Cadoles/go-http-peering/crypto"
+	"github.com/pkg/errors"
 )
 
 func getPublicKey() {
 	privateKey, err := loadPrivateKey()
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	publicPEM, err := crypto.EncodePublicKeyToPEM(privateKey.Public())
 	if err != nil {
-		handleError(err)
+		handleError(errors.WithStack(err))
 	}
 	fmt.Print(string(publicPEM))
 }

cmd/keygen/util.go

@@ -6,13 +6,13 @@ import (
 	"crypto/rsa"
 	"crypto/x509"
 	"encoding/pem"
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"os"
 	"syscall"
 
 	"forge.cadoles.com/Cadoles/go-http-peering/crypto"
+	"github.com/pkg/errors"
 
 	"golang.org/x/crypto/ssh/terminal"
 )
@@ -29,14 +29,14 @@ func askPassphrase() ([]byte, error) {
 	fmt.Print("Passphrase: ")
 	passphrase, err := terminal.ReadPassword(syscall.Stdin)
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 	fmt.Println()
 
 	fmt.Print("Confirm passphrase: ")
 	passphraseConfirmation, err := terminal.ReadPassword(syscall.Stdin)
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 	fmt.Println()
 
@@ -48,7 +48,6 @@ func askPassphrase() ([]byte, error) {
 }
 
 func privateKeyToEncryptedPEM(key *rsa.PrivateKey, passphrase []byte) ([]byte, error) {
-
 	if passphrase == nil {
 		return nil, errors.New("passphrase cannot be empty")
 	}
@@ -61,7 +60,7 @@ func privateKeyToEncryptedPEM(key *rsa.PrivateKey, passphrase []byte) ([]byte, e
 
 	block, err := x509.EncryptPEMBlock(rand.Reader, block.Type, block.Bytes, passphrase, x509.PEMCipherAES256)
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 
 	return pem.EncodeToMemory(block), nil
@@ -73,24 +72,24 @@ func loadPrivateKey() (*rsa.PrivateKey, error) {
 	}
 	pem, err := ioutil.ReadFile(keyFile)
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 	passphrase, err := getPassphrase()
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 	privateKey, err := crypto.DecodePEMEncryptedPrivateKey(pem, passphrase)
 	if err != nil {
-		return nil, err
+		return nil, errors.WithStack(err)
 	}
 	return privateKey, nil
 }
 
 func handleError(err error) {
 	if !debug {
-		fmt.Println(err)
+		fmt.Printf("%+v\n", errors.WithStack(err))
 	} else {
-		panic(err)
+		panic(fmt.Sprintf("%+v", errors.WithStack(err)))
 	}
 	os.Exit(1)
 }