Backwards compatibility v2 (#108)

* Add refresh command

* Credentials file

cmd/file.go

@@ -65,6 +65,8 @@ func runFile(cmd *cobra.Command, args []string) error {
 	if err != nil {
 		return err
 	}
+	fmt.Printf("Profile %s for role \"%s\" updated\n", profileName, role)
+	fmt.Printf("Credentials written to %s\n", destination)
 	if autoRefresh {
 		logging.Log.WithFields(logrus.Fields{"role": role}).Infoln("Starting automatic file refresh")
 		fmt.Printf("starting automatic file refresh for %s", role)

cmd/refresh.go

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2020 Netflix, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+func init() {
+	refreshCmd.PersistentFlags().StringVarP(&roleRefreshARN, "role", "z", "", "role")
+	rootCmd.AddCommand(refreshCmd)
+}
+
+var refreshCmd = &cobra.Command{
+	Use:    "refresh [profile]",
+	Short:  "Refresh AWS credentials for profiles",
+	Hidden: true,
+	Args:   cobra.MaximumNArgs(1),
+	RunE: func(cmd *cobra.Command, args []string) error {
+		if len(args) > 0 {
+			profileName = args[0]
+		}
+
+		if roleRefreshARN == "" {
+			// roleRefreshARN is not present, have to go through aws-profiles to see if a role matches
+			awsProfiles := viper.GetStringMapString("aws-profiles")
+			for name, role := range awsProfiles {
+				if name == profileName {
+					roleRefreshARN = role
+					break
+				}
+			}
+		}
+		if roleRefreshARN == "" {
+			return fmt.Errorf("unable to find profile %s in 'aws-profiles' property. You can also run with -r role_name <optional_profile_name>", profileName)
+		}
+
+		awsCredentialsFile := viper.GetString("aws-credential-file")
+		if awsCredentialsFile != "" {
+			destination = awsCredentialsFile
+		}
+
+		argsPass := []string{roleRefreshARN}
+		// explicit refresh command means force overwrite the profile
+		force = true
+		return fileCmd.RunE(fileCmd, argsPass)
+	},
+}

cmd/vars.go

@@ -41,6 +41,7 @@ var (
 	noOpen                     bool
 	profileName                string
 	region                     string
+	roleRefreshARN             string
 	shortInfo                  bool
 	showAll                    bool
 	showConfiguredProfilesOnly bool