inital for cobra structure

added commands from lego

cmd/dnshelp.go

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+// Copyright © 2016 NAME HERE <EMAIL ADDRESS>
+//
+// 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"
+	"text/tabwriter"
+
+	"github.com/spf13/cobra"
+)
+
+// dnshelpCmd represents the dnshelp command
+var dnshelpCmd = &cobra.Command{
+	Use:   "dnshelp",
+	Short: "Shows additional help for the --dns global option",
+	Long: ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		fmt.Printf(
+			`Credentials for DNS providers must be passed through environment variables.
+
+Here is an example bash command using the CloudFlare DNS provider:
+
+  $ CLOUDFLARE_EMAIL=foo@bar.com \
+    CLOUDFLARE_API_KEY=b9841238feb177a84330febba8a83208921177bffe733 \
+    lego --dns cloudflare --domains www.example.com --email me@bar.com run
+
+`)
+
+		w := tabwriter.NewWriter(os.Stdout, 0, 8, 1, '\t', 0)
+		fmt.Fprintln(w, "Valid providers and their associated credential environment variables:")
+		fmt.Fprintln(w)
+		fmt.Fprintln(w, "\tcloudflare:\tCLOUDFLARE_EMAIL, CLOUDFLARE_API_KEY")
+		fmt.Fprintln(w, "\tdigitalocean:\tDO_AUTH_TOKEN")
+		fmt.Fprintln(w, "\tdnsimple:\tDNSIMPLE_EMAIL, DNSIMPLE_API_KEY")
+		fmt.Fprintln(w, "\tgandi:\tGANDI_API_KEY")
+		fmt.Fprintln(w, "\tgcloud:\tGCE_PROJECT")
+		fmt.Fprintln(w, "\tmanual:\tnone")
+		fmt.Fprintln(w, "\tnamecheap:\tNAMECHEAP_API_USER, NAMECHEAP_API_KEY")
+		fmt.Fprintln(w, "\trfc2136:\tRFC2136_TSIG_KEY, RFC2136_TSIG_SECRET,\n\t\tRFC2136_TSIG_ALGORITHM, RFC2136_NAMESERVER")
+		fmt.Fprintln(w, "\troute53:\tAWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY, AWS_REGION")
+		fmt.Fprintln(w, "\tdyn:\tDYN_CUSTOMER_NAME, DYN_USER_NAME, DYN_PASSWORD")
+		fmt.Fprintln(w, "\tvultr:\tVULTR_API_KEY")
+		w.Flush()
+
+		fmt.Println(`
+For a more detailed explanation of a DNS provider's credential variables,
+please consult their online documentation.`)
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(dnshelpCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// dnshelpCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	// dnshelpCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
+
+}

cmd/renew.go

@@ -0,0 +1,27 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// renewCmd represents the renew command
+var renewCmd = &cobra.Command{
+	Use:   "renew",
+	Short: "Renew a certificate",
+	Long: ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: Work your own magic here
+		fmt.Println("renew called")
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(renewCmd)
+
+	renewCmd.PersistentFlags().Int("days", 0, "The number of days left on a certificate to renew it.")
+    renewCmd.PersistentFlags().Bool("resuse-key", false, "Used to indicate you want to reuse your current private key for the new certificate.")
+    renewCmd.PersistentFlags().Bool("no-bundle", false, "Do not create a certificate bundle by adding the issuers certificate to the new certificate.")
+
+}

cmd/revoke.go

@@ -0,0 +1,23 @@
+package cmd
+
+import (
+	"fmt"
+
+	"github.com/spf13/cobra"
+)
+
+// revokeCmd represents the revoke command
+var revokeCmd = &cobra.Command{
+	Use:   "revoke",
+	Short: "Revoke a certificate",
+	Long: ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: Work your own magic here
+		fmt.Println("revoke called")
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(revokeCmd)
+    
+}

cmd/root.go

@@ -0,0 +1,78 @@
+package cmd
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"path"
+
+	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
+)
+
+var cfgFile string
+var Logger *log.Logger
+
+func logger() *log.Logger {
+	if Logger == nil {
+		Logger = log.New(os.Stderr, "", log.LstdFlags)
+	}
+	return Logger
+}
+
+// This represents the base command when called without any subcommands
+var RootCmd = &cobra.Command{
+	Use:   "lego",
+	Short: "Let's Encrypt client written in Go",
+	Long:  ``,
+	// Uncomment the following line if your bare application
+	// has an action associated with it:
+	//	Run: func(cmd *cobra.Command, args []string) { },
+}
+
+// Execute adds all child commands to the root command sets flags appropriately.
+// This is called by main.main(). It only needs to happen once to the rootCmd.
+func Execute() {
+	if err := RootCmd.Execute(); err != nil {
+		fmt.Println(err)
+		os.Exit(-1)
+	}
+}
+
+func init() {
+	cobra.OnInitialize(initConfig)
+	cwd, err := os.Getwd()
+	if err != nil {
+		logger().Fatal("Could not determine current working directory. Please pass --path.")
+	}
+	defaultPath := path.Join(cwd, ".lego")
+
+	// Cobra also supports local flags, which will only run
+	// when this action is called directly.
+	RootCmd.PersistentFlags().StringSliceP("domains", "d", nil, "Add domains to the process")
+	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.")
+	RootCmd.PersistentFlags().StringP("email", "m", "", "Email used for registration and recovery contact.")
+	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.")
+	RootCmd.PersistentFlags().StringP("key-type", "k", "rsa2048", "Key type to use for private keys. Supported: rsa2048, rsa4096, rsa8192, ec256, ec384")
+	RootCmd.PersistentFlags().String("path", defaultPath, "Directory to use for storing the data")
+	RootCmd.PersistentFlags().StringSliceP("exclude", "x", nil, "Explicitly disallow solvers by name from being used. Solvers: \"http-01\", \"tls-sni-01\".")
+	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")
+	RootCmd.PersistentFlags().String("http", "", "Set the port and interface to use for HTTP based challenges to listen on. Supported: interface:port or :port")
+	RootCmd.PersistentFlags().String("tls", "", "Set the port and interface to use for TLS based challenges to listen on. Supported: interface:port or :port")
+	RootCmd.PersistentFlags().String("dns", "", "Solve a DNS challenge using the specified provider. Disables all other challenges. Run 'lego dnshelp' for help on usage.")
+}
+
+// initConfig reads in config file and ENV variables if set.
+func initConfig() {
+	if cfgFile != "" { // enable ability to specify config file via flag
+		viper.SetConfigFile(cfgFile)
+	}
+
+	viper.AddConfigPath("$HOME") // adding home directory as first search path
+	viper.AutomaticEnv()         // read in environment variables that match
+
+	// If a config file is found, read it in.
+	if err := viper.ReadInConfig(); err == nil {
+		fmt.Println("Using config file:", viper.ConfigFileUsed())
+	}
+}

cmd/run.go

@@ -0,0 +1,39 @@
+// Copyright © 2016 NAME HERE <EMAIL ADDRESS>
+//
+// 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"
+)
+
+// runCmd represents the run command
+var runCmd = &cobra.Command{
+	Use:   "run",
+	Short: "Register an account, then create and install a certificate",
+	Long: ``,
+	Run: func(cmd *cobra.Command, args []string) {
+		// TODO: Work your own magic here
+		fmt.Println("run called")
+	},
+}
+
+func init() {
+	RootCmd.AddCommand(runCmd)
+
+	runCmd.PersistentFlags().Bool("no-bundle", false, "Do not create a certificate bundle by adding the issuers certificate to the new certificate.")
+
+}

main.go

@@ -0,0 +1,7 @@
+package main
+
+import "github.com/gianluca311/lego/cmd"
+
+func main() {
+	cmd.Execute()
+}