lego/cmd/dnshelp.go
2016-03-29 22:19:20 +02:00

63 lines
2.1 KiB
Go

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")
}