Merge pull request #32 from maplebed/master

adding more descriptive errors

Author: dfuentes

cmd/exec.go

@@ -1,14 +1,14 @@
 package cmd
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"os/exec"
 	"os/signal"
 	"strings"
 	"syscall"
 
+	"github.com/pkg/errors"
 	"github.com/segmentio/chamber/store"
 	"github.com/spf13/cobra"
 )
@@ -54,12 +54,12 @@ func execRun(cmd *cobra.Command, args []string) error {
 	secretStore := store.NewSSMStore()
 	for _, service := range args {
 		if err := validateService(service); err != nil {
-			return err
+			return errors.Wrap(err, "Failed to validate service")
 		}
 
 		secrets, err := secretStore.List(strings.ToLower(service), true)
 		if err != nil {
-			return err
+			return errors.Wrap(err, "Failed to list store contents")
 		}
 		for _, secret := range secrets {
 			envVarKey := strings.ToUpper(key(secret.Meta.Key))
@@ -92,7 +92,7 @@ func execRun(cmd *cobra.Command, args []string) error {
 	var waitStatus syscall.WaitStatus
 	if err := ecmd.Run(); err != nil {
 		if err != nil {
-			return err
+			return errors.Wrap(err, "Failed to run command")
 		}
 		if exitError, ok := err.(*exec.ExitError); ok {
 			waitStatus = exitError.Sys().(syscall.WaitStatus)

cmd/history.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"text/tabwriter"
 
+	"github.com/pkg/errors"
 	"github.com/segmentio/chamber/store"
 	"github.com/spf13/cobra"
 )
@@ -31,12 +32,12 @@ func history(cmd *cobra.Command, args []string) error {
 
 	service := strings.ToLower(args[0])
 	if err := validateService(service); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate service")
 	}
 
 	key := strings.ToLower(args[1])
 	if err := validateKey(key); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate key")
 	}
 
 	secretStore := store.NewSSMStore()
@@ -47,7 +48,7 @@ func history(cmd *cobra.Command, args []string) error {
 
 	events, err := secretStore.History(secretId)
 	if err != nil {
-		return err
+		return errors.Wrap(err, "Failed to get history")
 	}
 
 	w := tabwriter.NewWriter(os.Stdout, 0, 8, 2, '\t', 0)

cmd/list.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"text/tabwriter"
 
+	"github.com/pkg/errors"
 	"github.com/segmentio/chamber/store"
 	"github.com/spf13/cobra"
 )
@@ -31,13 +32,13 @@ func list(cmd *cobra.Command, args []string) error {
 
 	service := strings.ToLower(args[0])
 	if err := validateService(service); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate service")
 	}
 
 	secretStore := store.NewSSMStore()
 	secrets, err := secretStore.List(service, false)
 	if err != nil {
-		return err
+		return errors.Wrap(err, "Failed to list store contents")
 	}
 
 	w := tabwriter.NewWriter(os.Stdout, 0, 8, 2, '\t', 0)

cmd/read.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"text/tabwriter"
 
+	"github.com/pkg/errors"
 	"github.com/segmentio/chamber/store"
 	"github.com/spf13/cobra"
 )
@@ -38,12 +39,12 @@ func read(cmd *cobra.Command, args []string) error {
 
 	service := strings.ToLower(args[0])
 	if err := validateService(service); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate service")
 	}
 
 	key := strings.ToLower(args[1])
 	if err := validateKey(key); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate key")
 	}
 
 	secretStore := store.NewSSMStore()
@@ -54,7 +55,7 @@ func read(cmd *cobra.Command, args []string) error {
 
 	secret, err := secretStore.Read(secretId, version)
 	if err != nil {
-		return err
+		return errors.Wrap(err, "Failed to read")
 	}
 
 	if quiet {

cmd/root.go

@@ -31,7 +31,7 @@ var RootCmd = &cobra.Command{
 // This is called by main.main(). It only needs to happen once to the rootCmd.
 func Execute() {
 	if err := RootCmd.Execute(); err != nil {
-		fmt.Fprintf(os.Stderr, "%s\n", err)
+		fmt.Fprintf(os.Stderr, "chamber error: %s\n", err)
 		switch err {
 		case ErrTooFewArguments, ErrTooManyArguments:
 			RootCmd.Usage()

cmd/write.go

@@ -1,9 +1,9 @@
 package cmd
 
 import (
-	"errors"
 	"strings"
 
+	"github.com/pkg/errors"
 	"github.com/segmentio/chamber/store"
 	"github.com/spf13/cobra"
 )
@@ -34,12 +34,12 @@ func write(cmd *cobra.Command, args []string) error {
 
 	service := strings.ToLower(args[0])
 	if err := validateService(service); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate service")
 	}
 
 	key := strings.ToLower(args[1])
 	if err := validateKey(key); err != nil {
-		return err
+		return errors.Wrap(err, "Failed to validate key")
 	}
 
 	value := args[2]

vendor/vendor.json

@@ -201,6 +201,12 @@
 			"revision": "3bc643c63c6f8716320182b6842581d6c80572fa",
 			"revisionTime": "2017-03-23T00:38:48Z"
 		},
+		{
+			"checksumSHA1": "9guv02oL7uLkwqQNjJv8AJxWXmQ=",
+			"path": "github.com/pkg/errors",
+			"revision": "ff09b135c25aae272398c51a07235b90a75aa4f0",
+			"revisionTime": "2017-03-16T20:15:38Z"
+		},
 		{
 			"checksumSHA1": "zKKp5SZ3d3ycKe4EKMNT0BqAWBw=",
 			"origin": "github.com/stretchr/testify/vendor/github.com/pmezard/go-difflib/difflib",