lego/cli.go

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package main
import (
"log"
"os"
"path"
"github.com/codegangsta/cli"
)
// Logger is used to log errors; if nil, the default log.Logger is used.
var Logger *log.Logger
// logger is an helper function to retrieve the available logger
func logger() *log.Logger {
if Logger == nil {
Logger = log.New(os.Stderr, "", log.LstdFlags)
}
return Logger
}
func main() {
app := cli.NewApp()
app.Name = "lego"
app.Usage = "Let's encrypt client to go!"
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app.Version = "0.1.0"
cwd, err := os.Getwd()
if err != nil {
logger().Fatal("Could not determine current working directory. Please pass --path.")
}
defaultPath := path.Join(cwd, ".lego")
app.Commands = []cli.Command{
{
Name: "run",
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Usage: "Register an account, then create and install a certificate",
Action: run,
},
{
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Name: "revoke",
Usage: "Revoke a certificate",
Action: revoke,
},
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{
Name: "renew",
Usage: "Renew a certificate",
Action: renew,
Flags: []cli.Flag{
cli.IntFlag{
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Name: "days",
Value: 0,
Usage: "The number of days left on a certificate to renew it.",
},
},
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},
}
app.Flags = []cli.Flag{
cli.StringSliceFlag{
Name: "domains, d",
Usage: "Add domains to the process",
},
cli.StringFlag{
Name: "server, s",
Value: "https://acme-v01.api.letsencrypt.org/directory",
Usage: "CA hostname (and optionally :port). The server certificate must be trusted in order to avoid further modifications to the client.",
},
cli.StringFlag{
Name: "email, m",
Usage: "Email used for registration and recovery contact.",
},
cli.IntFlag{
Name: "rsa-key-size, B",
Value: 2048,
Usage: "Size of the RSA key.",
},
cli.StringFlag{
Name: "path",
Usage: "Directory to use for storing the data",
Value: defaultPath,
},
cli.StringSliceFlag{
Name: "exclude, x",
Usage: "Explicitly disallow solvers by name from being used. Solvers: \"http-01\", \"tls-sni-01\".",
},
cli.StringFlag{
Name: "httpPort",
Usage: "Set the port to use for HTTP based challenges to listen on.",
},
cli.StringFlag{
Name: "tlsPort",
Usage: "Set the port to use for TLS based challenges to listen on.",
},
}
app.Run(os.Args)
}