/
app.go
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/
app.go
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/*
Copyright 2015 All rights reserved.
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"
"os"
log "github.com/Sirupsen/logrus"
"github.com/codegangsta/cli"
)
func NewVaultCtl() *cli.App {
// step: create and return the application
app := cli.NewApp()
app.Usage = "is a utility for provisioning a hashicorp's vault service"
app.Author = Author
app.Email = Email
app.Flags = getGlobalOptions()
app.Commands = []cli.Command{
newSyncCommand(),
newTransitCommand(),
}
return app
}
// executeCommand implement the action
func executeCommand(cx *cli.Context, action func(*cli.Context) error) {
if cx.GlobalBool("verbose") {
log.SetLevel(log.DebugLevel)
}
// step: ensure we capture any panics
defer func() {
if r := recover(); r != nil {
printUsage(fmt.Sprintf("%s", r))
}
}()
if err := action(cx); err != nil {
printUsage(err.Error())
}
}
// getGlobalOptions retrieves the command line options
func getGlobalOptions() []cli.Flag {
return []cli.Flag{
cli.StringFlag{
Name: "A, vault-addr",
Usage: "the url address of the vault service",
Value: "http://127.0.0.1:8200",
EnvVar: "VAULT_ADDR",
},
cli.StringFlag{
Name: "u, vault-username",
Usage: "the vault username to use to authenticate to vault service",
EnvVar: "VAULT_USERNAME",
},
cli.StringFlag{
Name: "p, vault-password",
Usage: "the vault password to use to authenticate to vault service",
EnvVar: "VAULT_PASSWORD",
},
cli.StringFlag{
Name: "t, vault-token",
Usage: "a vault token used to authenticate to vault service",
EnvVar: "VAULT_TOKEN",
},
cli.StringFlag{
Name: "c, credentials",
Usage: "the path to a file (json|yaml) containing the username and password for userpass authenticaion",
EnvVar: "VAULT_CRENDENTIALS",
},
cli.BoolFlag{
Name: "verbose",
Usage: "switch on verbose logging for debug purposed",
},
}
}
// printUsage prints the error message
func printUsage(message string) {
fmt.Fprintf(os.Stderr, "[error] %s\n", message)
os.Exit(1)
}