forked from TrueCloudLab/lego
89 lines
3.4 KiB
Go
89 lines
3.4 KiB
Go
package cmd
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import (
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"fmt"
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"log"
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"os"
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"path"
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"strings"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/xenolf/lego/acme"
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)
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var gittag string
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var cfgFile string
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var version string
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var Logger *log.Logger
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func logger() *log.Logger {
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if Logger == nil {
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Logger = log.New(os.Stderr, "", log.LstdFlags)
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}
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return Logger
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}
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// This represents the base command when called without any subcommands
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var RootCmd = &cobra.Command{
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Use: "lego",
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Short: "Let's Encrypt client written in Go",
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Long: ``,
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// Uncomment the following line if your bare application
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// has an action associated with it:
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// Run: func(cmd *cobra.Command, args []string) { },
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}
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// Execute adds all child commands to the root command sets flags appropriately.
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// This is called by main.main(). It only needs to happen once to the rootCmd.
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func Execute() {
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if err := RootCmd.Execute(); err != nil {
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fmt.Println(err)
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os.Exit(-1)
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}
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}
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func init() {
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cobra.OnInitialize(initConfig)
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version = "0.3.0"
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if strings.HasPrefix(gittag, "v") {
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version = gittag
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}
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acme.UserAgent = "lego/" + version
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cwd, err := os.Getwd()
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if err != nil {
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logger().Fatal("Could not determine current working directory. Please pass --path.")
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}
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defaultPath := path.Join(cwd, ".lego")
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// Cobra also supports local flags, which will only run
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// when this action is called directly.
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RootCmd.PersistentFlags().StringSliceP("domains", "d", nil, "Add domains to the process")
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RootCmd.PersistentFlags().StringP("server", "s", "https://acme-v01.api.letsencrypt.org/directory", "CA hostname (and optionally :port). The server certificate must be trusted in order to avoid further modifications to the client.")
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RootCmd.PersistentFlags().StringP("email", "m", "", "Email used for registration and recovery contact.")
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RootCmd.PersistentFlags().BoolP("accept-tos", "a", false, "By setting this flag to true you indicate that you accept the current Let's Encrypt terms of service.")
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RootCmd.PersistentFlags().StringP("key-type", "k", "rsa2048", "Key type to use for private keys. Supported: rsa2048, rsa4096, rsa8192, ec256, ec384")
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RootCmd.PersistentFlags().String("path", defaultPath, "Directory to use for storing the data")
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RootCmd.PersistentFlags().StringSliceP("exclude", "x", nil, "Explicitly disallow solvers by name from being used. Solvers: \"http-01\", \"tls-sni-01\".")
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RootCmd.PersistentFlags().String("webroot", "", "Set the webroot folder to use for HTTP based challenges to write directly in a file in .well-known/acme-challenge")
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RootCmd.PersistentFlags().String("http", "", "Set the port and interface to use for HTTP based challenges to listen on. Supported: interface:port or :port")
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RootCmd.PersistentFlags().String("tls", "", "Set the port and interface to use for TLS based challenges to listen on. Supported: interface:port or :port")
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RootCmd.PersistentFlags().String("dns", "", "Solve a DNS challenge using the specified provider. Disables all other challenges. Run 'lego dnshelp' for help on usage.")
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}
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// initConfig reads in config file and ENV variables if set.
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func initConfig() {
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if cfgFile != "" { // enable ability to specify config file via flag
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viper.SetConfigFile(cfgFile)
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}
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viper.AddConfigPath("$HOME") // adding home directory as first search path
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viper.AutomaticEnv() // read in environment variables that match
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// If a config file is found, read it in.
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if err := viper.ReadInConfig(); err == nil {
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fmt.Println("Using config file:", viper.ConfigFileUsed())
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}
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}
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